public inbox for [email protected]  

help / color / mirror / Atom feed
From: Nathan Bossart <[email protected]>
To: Nazir Bilal Yavuz <[email protected]>
Cc: Manni Wood <[email protected]>
Cc: KAZAR Ayoub <[email protected]>
Cc: Neil Conway <[email protected]>
Cc: Andrew Dunstan <[email protected]>
Cc: Shinya Kato <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
Date: Wed, 11 Mar 2026 14:02:31 -0500
Message-ID: <abG8R6HkOHyUuyWb@nathan> (raw)
In-Reply-To: <CAN55FZ3gdK8dGrEo0M6KFW97OaF8TUbjO_dFoxQKi63davE-jA@mail.gmail.com>
References: <aZ3kYQnF9_u6sUQp@nathan>
	<CAN55FZ3+NYF1TkKyNtpRQuLiaauSYk9G5tA+fpruOA4-14Y_ZA@mail.gmail.com>
	<aaXrGSyq4u2d9qEC@nathan>
	<CAN55FZ2DNaKCK3Kf_kHizb2pAbQvULeDYtzaiz97B_xz7YbrkQ@mail.gmail.com>
	<aa8QlTVEDhG1JU0Z@nathan>
	<CAN55FZ08kqmA+B9pzPDy-QstxAd=cK-RqjbR3cWBjPF_8-FXAw@mail.gmail.com>
	<abBQbdFa6OsG8TGu@nathan>
	<CAN55FZ3jXs7XDsP_-v_jUBquRu4uAdheN3xcmW=WhAyKwFLSjg@mail.gmail.com>
	<abGv0ScUWVa6eogw@nathan>
	<CAN55FZ3gdK8dGrEo0M6KFW97OaF8TUbjO_dFoxQKi63davE-jA@mail.gmail.com>

On Wed, Mar 11, 2026 at 09:49:22PM +0300, Nazir Bilal Yavuz wrote:
> That is what v13-0002 does. I saw 1%-2% speedups with this change and
> there was no regression.

Thanks for the explanation.  Is there any reason _not_ to add this to 0001?

-- 
nathan





view thread (114+ messages)  latest in thread

reply
Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
  Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
  In-Reply-To: <abG8R6HkOHyUuyWb@nathan>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox