Re: Improve CRC32C performance on SSE4.2

From: John Naylor <johncnaylorls(at)gmail(dot)com>
To: Andy Fan <zhihuifan1213(at)163(dot)com>
Cc: Jesper Pedersen <jesperpedersen(dot)db(at)gmail(dot)com>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, Tomas Vondra <tomas(at)vondra(dot)me>, "Devulapalli, Raghuveer" <raghuveer(dot)devulapalli(at)intel(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: 2025-06-16 02:39:11
Message-ID: CANWCAZZ+iVxz5QAadZrTCyps3Wewjy45POnqOkSi4KE_Y4YQtw@mail.gmail.com
Views: Whole Thread | Raw Message | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Sun, Jun 15, 2025 at 8:32 AM Andy Fan <zhihuifan1213(at)163(dot)com> wrote:
>
> Jesper Pedersen <jesperpedersen(dot)db(at)gmail(dot)com> writes:
>
> Hi,
>
> Thank you Nathan, Tomas and Jesper for the answers. The patch at [0]
> works for me and I could work with master smoothly now.

Pushed, thanks for testing! I'll do some more testing to see what
versions/levels are affected and file a bug report, but it'll be a few
days before I get to it.

--
John Naylor
Amazon Web Services

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message David Rowley 2025-06-16 02:49:57 Re: Add enable_groupagg GUC parameter to control GroupAggregate usage
Previous Message Alexander Korotkov 2025-06-16 01:58:51 Re: Slot's restart_lsn may point to removed WAL segment after hard restart unexpectedly