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From: Nathan Bossart <nathandbossart@gmail.com>
To: John Naylor <johncnaylorls@gmail.com>
Cc: Ants Aasma <ants@cybertec.at>
Cc: pgsql-hackers@postgresql.org
Subject: Re: add AVX2 support to simd.h
Date: Thu, 21 Mar 2024 12:12:22 -0500
Message-ID: <20240321171222.GB1767527@nathanxps13> (raw)
In-Reply-To: <20240321170944.GA1767527@nathanxps13>
References: <20240319020341.GA823987@nathanxps13>
	<CANWCAZbY8fxmz6TRXmPz_s1VOZQQgTkfvayaXvWbqQnq2D849g@mail.gmail.com>
	<20240319031601.GA828141@nathanxps13>
	<CANWCAZafKPUBYdNdtqZLVxVJhSn-ONeo_tp1FsODcn7udjKwRQ@mail.gmail.com>
	<20240319163033.GA952199@nathanxps13>
	<CANWCAZbphuJTDjusRBGWk1R-z8Z-kvjMjsC5X4A6rjTN54MOFw@mail.gmail.com>
	<20240320143116.GA1313857@nathanxps13>
	<20240320195513.GA1618413@nathanxps13>
	<CANWCAZYfUv3iN2Vx--tmQP9WU6xwfU8d=gA7LoFXOYP9-wo8Hg@mail.gmail.com>
	<20240321170944.GA1767527@nathanxps13>

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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