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Re: Improve CRC32C performance on SSE4.2 - Mailing list pgsql-hackers

From	John Naylor
Subject	Re: Improve CRC32C performance on SSE4.2
Date	March 24 14:37:42
Msg-id	CANWCAZYEdQJ23UpdfjJqD8S2cecqirQCi3dw1o5PWUz+XYD7fA@mail.gmail.com Whole thread Raw
In response to	RE: Improve CRC32C performance on SSE4.2 ("Devulapalli, Raghuveer" <raghuveer.devulapalli@intel.com>)
Responses	Re: Improve CRC32C performance on SSE4.2 Re: Improve CRC32C performance on SSE4.2
List	pgsql-hackers

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On Thu, Mar 13, 2025 at 11:38 PM Devulapalli, Raghuveer
<raghuveer.devulapalli@intel.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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Re: Improve CRC32C performance on SSE4.2 - Mailing list pgsql-hackers

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