Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rtJiH-00Dv1G-In for pgsql-committers@arkaria.postgresql.org; Sun, 07 Apr 2024 04:01:02 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rtJiF-002iAs-Jo for pgsql-committers@arkaria.postgresql.org; Sun, 07 Apr 2024 04:00:59 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rtJiF-002iAk-4R for pgsql-committers@lists.postgresql.org; Sun, 07 Apr 2024 04:00:59 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rtJiA-001W0d-Mx for pgsql-committers@lists.postgresql.org; Sun, 07 Apr 2024 04:00:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Date:Message-Id:Subject:To:From:MIME-Version: Content-Type:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=u+kxc6rHHXPaAvaBDaDmlON2wmi3TKvmGTiejC6x+Oc=; b=rOSCrz/A37iyya7+Q4IMq5NElL vV2om9AIzo5PLQaAQLwBX0NAdKMzueq7sbsH65xQKvuUBPcU89LZXbOLeFkN2WFOanQATEeyYJ8br KYiFzSodJqfBMbqALqAbLGMi+mcnx+SaCH7QiHzisOQ4osim3qmc3OCJrCyS6atQObAyb3Hd3tt92 UmsmIvuZdLEblzPXjlMRMM/L7LNk/WBGnddyTFWmEi4GtAEhcc5FyN7NqPIKtm3rZZHDZ9CMKkN9V TLbVQ7fkKtSBSYiOb3Rpa907yCw2QTMiRyqxb9aQWyS56sQ3k2yEbIZkENYkcYWfy3h7L4D96d1qT Ms/UJ07w==; Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rtJi9-002kQL-Ih for pgsql-committers@lists.postgresql.org; Sun, 07 Apr 2024 04:00:53 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rtJi8-000ucP-Cg for pgsql-committers@lists.postgresql.org; Sun, 07 Apr 2024 04:00:52 +0000 Content-Type: multipart/mixed; boundary="===============9172333852667358367==" MIME-Version: 1.0 From: Nathan Bossart To: pgsql-committers@lists.postgresql.org Subject: pgsql: Optimize visibilitymap_count() with AVX-512 instructions. X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Sun, 07 Apr 2024 04:00:52 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============9172333852667358367== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 T3B0aW1pemUgdmlzaWJpbGl0eW1hcF9jb3VudCgpIHdpdGggQVZYLTUxMiBpbnN0cnVjdGlvbnMu CgpDb21taXQgNzkyNzUyYWY0ZSBhZGRlZCBpbmZyYXN0cnVjdHVyZSBmb3IgdXNpbmcgQVZYLTUx MiBpbnRyaW5zaWMKZnVuY3Rpb25zLCBhbmQgdGhpcyBjb21taXQgdXNlcyB0aGF0IGluZnJhc3Ry dWN0dXJlIHRvIG9wdGltaXplCnZpc2liaWxpdHltYXBfY291bnQoKS4gIFNwZWNpZmljaWFsbHks IGEgbmV3IHBnX3BvcGNvdW50X21hc2tlZCgpCmZ1bmN0aW9uIGlzIGludHJvZHVjZWQgdGhhdCBh cHBsaWVzIGEgYml0bWFzayB0byBldmVyeSBieXRlIGluIHRoZQpidWZmZXIgcHJpb3IgdG8gY2Fs Y3VsYXRpbmcgdGhlIHBvcHVsYXRpb24gY291bnQsIHdoaWNoIGlzIHVzZWQgdG8KZmlsdGVyIG91 dCB0aGUgYWxsLXZpc2libGUgb3IgYWxsLWZyb3plbiBiaXRzIGFzIG5lZWRlZC4gIFBsYXRmb3Jt cwp3aXRob3V0IEFWWC01MTIgc3VwcG9ydCBzaG91bGQgYWxzbyBzZWUgYSBuaWNlIHNwZWVkdXAg ZHVlIHRvIHRoZQpyZWR1Y2VkIG51bWJlciBvZiBjYWxscyB0byBhIGZ1bmN0aW9uIHBvaW50ZXIu CgpDby1hdXRob3JlZC1ieTogQW50cyBBYXNtYQpEaXNjdXNzaW9uOiBodHRwczovL3Bvc3Rnci5l cy9tL0JMMVBSMTFNQjUzMDQwOTdERjdFQTgxRDA0QzMzRjNEMURDQTZBJTQwQkwxUFIxMU1CNTMw NC5uYW1wcmQxMS5wcm9kLm91dGxvb2suY29tCgpCcmFuY2gKLS0tLS0tCm1hc3RlcgoKRGV0YWls cwotLS0tLS0tCmh0dHBzOi8vZ2l0LnBvc3RncmVzcWwub3JnL3BnL2NvbW1pdGRpZmYvNDFjNTFm MGM2OGIyMWI0NjAzYmQyYTljM2QzYWQwMTdmZGQyMjYyNwoKTW9kaWZpZWQgRmlsZXMKLS0tLS0t LS0tLS0tLS0Kc3JjL2JhY2tlbmQvYWNjZXNzL2hlYXAvdmlzaWJpbGl0eW1hcC5jIHwgIDI1ICsr LS0tLS0Kc3JjL2luY2x1ZGUvcG9ydC9wZ19iaXR1dGlscy5oICAgICAgICAgIHwgIDM0ICsrKysr KysrKwpzcmMvcG9ydC9wZ19iaXR1dGlscy5jICAgICAgICAgICAgICAgICAgfCAxMjYgKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysKc3JjL3BvcnQvcGdfcG9wY291bnRfYXZ4NTEyLmMg ICAgICAgICAgIHwgIDYwICsrKysrKysrKysrKysrKwo0IGZpbGVzIGNoYW5nZWQsIDIyNSBpbnNl cnRpb25zKCspLCAyMCBkZWxldGlvbnMoLSkKCg== --===============9172333852667358367==--