| From: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | "Amonson, Paul D" <paul(dot)d(dot)amonson(at)intel(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, "Shankaran, Akash" <akash(dot)shankaran(at)intel(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 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: | 2024-03-18 15:29:02 |
| Message-ID: | 20240318152902.GA2850@nathanxps13 |
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| Lists: | pgsql-hackers |
On Mon, Mar 18, 2024 at 09:56:32AM +1300, David Rowley wrote:
> Maybe it's worth exploring something along the lines of the attached
> before doing the AVX512 stuff. It seems like a pretty good speed-up
> and will apply for CPUs without AVX512 support.
+1
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
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