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[PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
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* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



^ permalink  raw  reply  [nested|flat] 1602+ messages in thread

* [PATCH v20260912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index ae39540e468..a725ef132d7 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -345,7 +345,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -354,7 +354,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.43.0


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20260912-0001-Refactor-float8out_internval-for-better-pe.patch



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* [PATCH v20240912 3/4] add unlikely hint for enlargeStringInfo.
@ 2024-09-11 04:25 Andy Fan <[email protected]>
  0 siblings, 0 replies; 1602+ messages in thread

From: Andy Fan @ 2024-09-11 04:25 UTC (permalink / raw)

enlargeStringInfo  has a noticeable ratio in perf peport with a
"select * from pg_class" workload). So add a unlikely  hint in
enlargeStringinfo to avoid some overhead.
---
 src/common/stringinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/stringinfo.c b/src/common/stringinfo.c
index eb9d6502fc..838d9b80d0 100644
--- a/src/common/stringinfo.c
+++ b/src/common/stringinfo.c
@@ -297,7 +297,7 @@ enlargeStringInfo(StringInfo str, int needed)
 	 * Guard against out-of-range "needed" values.  Without this, we can get
 	 * an overflow or infinite loop in the following.
 	 */
-	if (needed < 0)				/* should not happen */
+	if (unlikely(needed < 0))				/* should not happen */
 	{
 #ifndef FRONTEND
 		elog(ERROR, "invalid string enlargement request size: %d", needed);
@@ -306,7 +306,7 @@ enlargeStringInfo(StringInfo str, int needed)
 		exit(EXIT_FAILURE);
 #endif
 	}
-	if (((Size) needed) >= (MaxAllocSize - (Size) str->len))
+	if (unlikely(((Size) needed) >= (MaxAllocSize - (Size) str->len)))
 	{
 #ifndef FRONTEND
 		ereport(ERROR,
-- 
2.45.1


--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment;
 filename=v20240912-0001-Refactor-float8out_internval-for-better-pe.patch



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