public inbox for [email protected]  
help / color / mirror / Atom feed
From: Nazir Bilal Yavuz <[email protected]>
To: Manni Wood <[email protected]>
Cc: Andrew Dunstan <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: KAZAR Ayoub <[email protected]>
Cc: Neil Conway <[email protected]>
Cc: Shinya Kato <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
Date: Fri, 6 Mar 2026 20:39:04 +0300
Message-ID: <CAN55FZ1BYbdt97RLkd-vAVZ5EKiX=KLkhJ_S-4vgvNJRHvQZ6w@mail.gmail.com> (raw)
In-Reply-To: <CAKWEB6r0CrN-a2P=2ey3EK7p1MxsbQx2C8=hpNGfxLxnRaX66Q@mail.gmail.com>
References: <CAN55FZ2RPMxquXE6TH7dQkhtoiBcOOOZq8EOXj5COHv3ecP_cw@mail.gmail.com>
	<CA+K2Ru=fFTUVgEDr-fBed5aOMeDbH9vrOEhapXzHEpBeOxkucg@mail.gmail.com>
	<CAKWEB6pq7C0Wv1wT9Y1_c_1fn-+cR8pb210Pj3w2FcEOmNGxbQ@mail.gmail.com>
	<CAN55FZ2DT4-k06umn=7NYG+NoM6gnVJVQCCwRrr2qOraO+Jadw@mail.gmail.com>
	<aZikzQP6WPJ5Rq2S@nathan>
	<CAN55FZ3cBN_TncLVWyXAKm-KfewguN1AUjyRhoR6zL_QCxHh7A@mail.gmail.com>
	<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>
	<[email protected]>
	<CAKWEB6r0CrN-a2P=2ey3EK7p1MxsbQx2C8=hpNGfxLxnRaX66Q@mail.gmail.com>

Hi,

On Fri, 6 Mar 2026 at 20:00, Manni Wood <[email protected]> wrote:
>
> Hello.
>
> I ran Nazir's v11 patch on my x86 tower PC and my arm raspberry pi using the same build I've been using: meson with "debugoptimized", which translates to "-g -O2" gcc flags.

Thanks for the benchmark! The results look nice.

One question: does your benchmark include the 34dfca2934 LZ4 commit,
and is LZ4 enabled on your system?

-- 
Regards,
Nazir Bilal Yavuz
Microsoft





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: <CAN55FZ1BYbdt97RLkd-vAVZ5EKiX=KLkhJ_S-4vgvNJRHvQZ6w@mail.gmail.com>

* 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