Re: add AVX2 support to simd.h

Nathan Bossart <nathandbossart@gmail.com>

From: Nathan Bossart <nathandbossart@gmail.com>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: John Naylor <johncnaylorls@gmail.com>, Ants Aasma <ants@cybertec.at>, pgsql-hackers@postgresql.org

Date: 2024-03-26T23:55:54Z

Lists: pgsql-hackers

Commits

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Improve style of pg_lfind32().
- 7188a7806d20 17.0 landed
Fix compiler warning for pg_lfind32().
- 1f42337be535 17.0 landed
Micro-optimize pg_lfind32().
- 7644a7340c8a 17.0 landed
Introduce helper SIMD functions for small byte arrays
- 9f225e992bed 17.0 cited
Optimize xid/subxid searches in XidInMVCCSnapshot().
- 37a6e5df3713 16.0 cited

On Tue, Mar 26, 2024 at 07:28:24PM -0400, Tom Lane wrote:
> Nathan Bossart <nathandbossart@gmail.com> writes:
>> I've committed v9, and I've marked the commitfest entry as "Committed,"
>> although we may want to revisit AVX2, etc. in the future.
> 
> A significant fraction of the buildfarm is issuing warnings about
> this.

Thanks for the heads-up.  Will fix.

-- 
Nathan Bossart
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