| From: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Ants Aasma <ants(dot)aasma(at)cybertec(dot)at>, "Amonson, Paul D" <paul(dot)d(dot)amonson(at)intel(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, "Shankaran, Akash" <akash(dot)shankaran(at)intel(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Popcount optimization using AVX512 |
| Date: | 2024-04-03 20:12:58 |
| Message-ID: | 20240403201258.GA3800000@nathanxps13 |
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| Lists: | pgsql-hackers |
On Wed, Apr 03, 2024 at 12:41:27PM -0500, Nathan Bossart wrote:
> I committed v23-0001. Here is a rebased version of the remaining patches.
> I intend to test the masking idea from Ants next.
0002 was missing a cast that is needed for the 32-bit builds. I've fixed
that in v25.
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
| Attachment | Content-Type | Size |
|---|---|---|
| v25-0001-AVX512-popcount-support.patch | text/x-diff | 29.6 KB |
| v25-0002-optimize-visibilitymap_count-with-AVX512.patch | text/x-diff | 11.8 KB |
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