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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: Andrew Dunstan <andrew@dunslane.net>
Cc: KAZAR Ayoub <ma_kazar@esi.dz>
Cc: Neil Conway <neil.conway@gmail.com>
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: Fri, 6 Mar 2026 17:13:13 -0600
Message-ID: <aatfiTMLvLok2cUc@nathan> (raw)
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On Fri, Mar 06, 2026 at 03:25:46PM -0600, Manni Wood wrote:
> Well, golly! Look at these numbers. Old master with no lz4, your v11 patch
> with no lz4, and then your v11 patch with lz4 compiled in.
I'm appreciative of all the benchmarking that you and others are doing, but
wouldn't we be more interested in the difference between "old master with
lz4" and "v11 with lz4"? Else, we have multiple variables in play.
--
nathan
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To: pgsql-hackers@postgresql.org
Cc: nathandbossart@gmail.com, manni.wood@enterprisedb.com, byavuz81@gmail.com, andrew@dunslane.net, ma_kazar@esi.dz, neil.conway@gmail.com, shinya11.kato@gmail.com
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
In-Reply-To: <aatfiTMLvLok2cUc@nathan>
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