Re: Speed up COPY FROM text/CSV parsing using SIMD

From: Nathan Bossart <nathandbossart(at)gmail(dot)com>
To: Manni Wood <manni(dot)wood(at)enterprisedb(dot)com>
Cc: Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, KAZAR Ayoub <ma_kazar(at)esi(dot)dz>, Neil Conway <neil(dot)conway(at)gmail(dot)com>, Shinya Kato <shinya11(dot)kato(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
Date: 2026-03-06 23:13:13
Message-ID: aatfiTMLvLok2cUc@nathan
Views: Whole Thread | Raw Message | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

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

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Henson Choi 2026-03-06 23:18:27 Re: Row pattern recognition
Previous Message Nathan Bossart 2026-03-06 23:08:58 Re: Add starelid, attnum to pg_stats and leverage this in pg_dump