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help / color / mirror / Atom feedFrom: Nathan Bossart <nathandbossart@gmail.com>
To: Manni Wood <manni.wood@enterprisedb.com>
Cc: Nazir Bilal Yavuz <byavuz81@gmail.com>
Cc: KAZAR Ayoub <ma_kazar@esi.dz>
Cc: Neil Conway <neil.conway@gmail.com>
Cc: Andrew Dunstan <andrew@dunslane.net>
Cc: Shinya Kato <shinya11.kato@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
Date: Mon, 16 Feb 2026 12:15:28 -0600
Message-ID: <aZNewLWZ4MbrrrLv@nathan> (raw)
In-Reply-To: <aZNOOjyeWLv9_7fr@nathan>
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<aZNOOjyeWLv9_7fr@nathan>
On Mon, Feb 16, 2026 at 11:04:58AM -0600, Nathan Bossart wrote:
> On Fri, Feb 13, 2026 at 09:34:13PM -0600, Manni Wood wrote:
>> v7-0001 + v7-0002 applied to master certainly seems promising: nice to see
>> speed improvements across the board on both x86 and arm!
>
> Thanks for testing. Based on these results, I think we can abandon 0002,
> at least for now.
Have you tested small rows, i.e., less than 16 bytes per row? I'm
wondering if that regresses at all.
--
nathan
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To: pgsql-hackers@postgresql.org
Cc: nathandbossart@gmail.com, manni.wood@enterprisedb.com, byavuz81@gmail.com, ma_kazar@esi.dz, neil.conway@gmail.com, andrew@dunslane.net, shinya11.kato@gmail.com
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
In-Reply-To: <aZNewLWZ4MbrrrLv@nathan>
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