| From: | John Naylor <johncnaylorls(at)gmail(dot)com> |
|---|---|
| To: | "Devulapalli, Raghuveer" <raghuveer(dot)devulapalli(at)intel(dot)com> |
| Cc: | Nathan Bossart <nathandbossart(at)gmail(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "Shankaran, Akash" <akash(dot)shankaran(at)intel(dot)com> |
| Subject: | Re: Improve CRC32C performance on SSE4.2 |
| Date: | 2025-03-24 11:37:42 |
| Message-ID: | CANWCAZYEdQJ23UpdfjJqD8S2cecqirQCi3dw1o5PWUz+XYD7fA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Mar 13, 2025 at 11:38 PM Devulapalli, Raghuveer
<raghuveer(dot)devulapalli(at)intel(dot)com> wrote:
>
> > > I've gone ahead and added the generated AVX-512 algorithm in
> > > v14-0005
>
> Here is my benchmark numbers (master v/s v14) on TGL (time in ms):
>
> Buf-size-bytes Master v14
> 64 9.547 6.095
...
> 256 31.399 10.035
Thanks for testing! Looks good. I'll take a look at the configure
checks soon, since I had some questions there.
--
John Naylor
Amazon Web Services
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