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

From Nathan Bossart
Subject Re: Improve CRC32C performance on SSE4.2
Date
Msg-id aFl2EOpXOL06ja10@nathan
Whole thread Raw
In response to Re: Improve CRC32C performance on SSE4.2  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Mon, Jun 23, 2025 at 11:29:32AM -0400, Tom Lane wrote:
> The code still uses _mm512_castsi512_si128, so I think removing it
> from the configure snippet might not be bright.

Ah, right.  I'm not firing on all cylinders this morning, apparently.

> I adapted what's
> there now to get the attached, which builds successfully on my old
> compiler.  I still need to check it on a newer compiler.

LGTM

-- 
nathan



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