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From: Nazir Bilal Yavuz <byavuz81@gmail.com>
Date: Fri, 6 Mar 2026 21:55:26 +0300
Message-ID: 
 <CAN55FZ25HV0FNziFR8xBpQpHkNPS48w8yEXCc91W+=0c0jr+KA@mail.gmail.com>
Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD
To: Manni Wood <manni.wood@enterprisedb.com>
Cc: Andrew Dunstan <andrew@dunslane.net>,
 Nathan Bossart <nathandbossart@gmail.com>,
	KAZAR Ayoub <ma_kazar@esi.dz>, Neil Conway <neil.conway@gmail.com>,
	Shinya Kato <shinya11.kato@gmail.com>,
	PostgreSQL-development <pgsql-hackers@postgresql.org>
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 <https://www.postgresql.org/message-id/CAN55FZ25HV0FNziFR8xBpQpHkNPS48w8yEXCc91W%2B%3D0c0jr%2BKA%40mail.gmail.com>
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Hi Manni!

On Fri, 6 Mar 2026 at 21:13, Manni Wood <manni.wood@enterprisedb.com> wrote:
>
> When I ran `meson setup build --buildtype=debugoptimized` on both my x86 machine and my arm machine, the response on both was:
>
> "External libraries
> "  lz4                      : NO"
>
> However, I did not remove commit 34dfca2934 from any of my Postgres builds; I left that commit in place.
>
> Let me know if that helps!

That definitely helps, thanks! If you have a chance, could you also
run the benchmark with LZ4 enabled? I expect you may see significantly
better performance, similar to what I observed.

-- 
Regards,
Nazir Bilal Yavuz
Microsoft