| From: | Kirill Reshke <reshkekirill(at)gmail(dot)com> |
|---|---|
| To: | "Malladi, Rama" <rvmallad(at)amazon(dot)com> |
| Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "Dipietro, Salvatore" <dipiets(at)amazon(dot)co(dot)uk>, "nathandbossart(at)gmail(dot)com" <nathandbossart(at)gmail(dot)com> |
| Subject: | Re: [PATCH] SVE popcount support |
| Date: | 2024-11-28 15:45:11 |
| Message-ID: | CALdSSPgdC0XGWc04v3rBqc_A_c0-fVGh66QU=CAdx+PeOh5w2g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, 28 Nov 2024 at 20:22, Malladi, Rama <rvmallad(at)amazon(dot)com> wrote:
>
> Attachments protected by Amazon: 0001-SVE-popcount-support.patch | SVE-popcount-support-PostgreSQL.png |
> Amazon has replaced the attachments in this email with download links. Downloads will be available until December 27, 2024, 15:43 (UTC+00:00). Tell us what you think
> For more information click here
>
> Please find attached a patch to PostgreSQL implementing SVE popcount. I used John Naylor's test_popcount module [0] to put together the attached graphs. This test didn't show any regressions with a relatively small number of bytes, and it showed the expected improvements with many bytes.
>
>
>
> [0] https://postgr.es/m/CAFBsxsE7otwnfA36Ly44zZO+b7AEWHRFANxR1h1kxveEV=ghLQ@mail.gmail.com
Hi! To register entry on commitfest you need to send patch in one of
this format:
https://wiki.postgresql.org/wiki/Cfbot#Which_attachments_are_considered_to_be_patches.3F
This is useful for reviewers who use cfbot or cputube.
--
Best regards,
Kirill Reshke
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