Re: add AVX2 support to simd.h

From: Nathan Bossart <nathandbossart(at)gmail(dot)com>
To: John Naylor <johncnaylorls(at)gmail(dot)com>
Cc: Ants Aasma <ants(at)cybertec(dot)at>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: add AVX2 support to simd.h
Date: 2024-03-21 17:12:22
Message-ID: 20240321171222.GB1767527@nathanxps13
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On Thu, Mar 21, 2024 at 12:09:44PM -0500, Nathan Bossart wrote:
> It does still eventually win, although not nearly to the same extent as
> before. I extended the benchmark a bit to show this. I wouldn't be
> devastated if we only got 0001 committed for v17, given these results.

(In case it isn't clear from the graph, after 128 elements, I only tested
at 200, 300, 400, etc. elements.)

--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com

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