public inbox for [email protected]
help / color / mirror / Atom feedFrom: 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 13:09:21 -0500
Message-ID: <abGv0ScUWVa6eogw@nathan> (raw)
In-Reply-To: <CAN55FZ3jXs7XDsP_-v_jUBquRu4uAdheN3xcmW=WhAyKwFLSjg@mail.gmail.com>
References: <CAKWEB6qzsZEQ4Czo9QBFiMXqdXVJknHUJwg6wjRwNzLn4+Jw0g@mail.gmail.com>
<CAN55FZ2O2Ls==sdpROHqxWRx-PMBZ0riJ6eVKoHj8=vssTavxw@mail.gmail.com>
<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>
On Wed, Mar 11, 2026 at 02:36:46PM +0300, Nazir Bilal Yavuz wrote:
> 0002 has an attempt to remove some branches from SIMD code but since
> it is kind of functional change, I wanted to attach that as another
> patch. I think we can apply some parts of this, if not all.
Could you describe what this is doing and what the performance impact is?
--
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: <abGv0ScUWVa6eogw@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