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

From: Nathan Bossart <nathandbossart(at)gmail(dot)com>
To: Greg Burd <greg(at)burd(dot)me>
Cc: Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>, KAZAR Ayoub <ma_kazar(at)esi(dot)dz>, Neil Conway <neil(dot)conway(at)gmail(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Shinya Kato <shinya11(dot)kato(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
Date: 2026-09-08 15:36:32
Message-ID: aqArgOhtHfM2_iJe@nathan
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On Tue, Sep 08, 2026 at 11:08:36AM -0400, Greg Burd wrote:
> One thing I'd like to see land with the fix: a test. I'll see if I can
> knock one out if you don't first.

I'm open to adding a test, but I'm not going to hold up the patch for it.
I've been reluctant to add too many tests for corner cases here because I'm
concerned about portability and fragility. But I will admit that I haven't
tried too hard...

--
nathan

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