From: Tom Lane <tgl@sss.pgh.pa.us>
To: hpc researcher_mspk <hpcresearch.mspk@gmail.com>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17200: PostgreSQL-Support Profile Guide Optimization(Clang/GCC)?
Date: Tue, 28 Sep 2021 09:39:36 -0400
Message-ID: <2834314.1632836376@sss.pgh.pa.us> (raw)
In-Reply-To: <CAL_6wb3WcUQfNExD5Lj0FKs+MdSUtUpazH4X+_yj3SaZyRQGBQ@mail.gmail.com>
References: <17200-d5d5c376327f7197@postgresql.org>
<CAL_6wb3WcUQfNExD5Lj0FKs+MdSUtUpazH4X+_yj3SaZyRQGBQ@mail.gmail.com>
hpc researcher_mspk <hpcresearch.mspk@gmail.com> writes:
> Tried PostgreSQL with GCC-Profile guided optimization(PGO) and it is
> working with the HammerDB benchmark environment. Similarly, we tried
> PostgreSQL with Clang(12.0V) -Profile guided optimization(PGO) and it is
> not working and observed an error
> "warning: default.profraw: Failed to uncompress data (zlib)
> error: No profiles could be merged"
> Are there any plans to fix this issue in upcoming releases?
I see no reason to believe that this is Postgres' problem to fix.
Try filing a bug with the Clang people.
regards, tom lane
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To: pgsql-bugs@postgresql.org
Cc: tgl@sss.pgh.pa.us, hpcresearch.mspk@gmail.com, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17200: PostgreSQL-Support Profile Guide Optimization(Clang/GCC)?
In-Reply-To: <2834314.1632836376@sss.pgh.pa.us>
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