| From: | Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com> |
|---|---|
| To: | Manni Wood <manni(dot)wood(at)enterprisedb(dot)com> |
| Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, KAZAR Ayoub <ma_kazar(at)esi(dot)dz>, Neil Conway <neil(dot)conway(at)gmail(dot)com>, Shinya Kato <shinya11(dot)kato(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Speed up COPY FROM text/CSV parsing using SIMD |
| Date: | 2026-03-06 18:55:26 |
| Message-ID: | CAN55FZ25HV0FNziFR8xBpQpHkNPS48w8yEXCc91W+=0c0jr+KA@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi Manni!
On Fri, 6 Mar 2026 at 21:13, Manni Wood <manni(dot)wood(at)enterprisedb(dot)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
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