Re: Speed up COPY FROM text/CSV parsing using SIMD - Mailing list pgsql-hackers

From Nazir Bilal Yavuz
Subject Re: Speed up COPY FROM text/CSV parsing using SIMD
Date
Msg-id CAN55FZ1g1sAtZ58mk9GJFqVEi4cBFoCdMwC3CbJLq1wvtXu61A@mail.gmail.com
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In response to Re: Speed up COPY FROM text/CSV parsing using SIMD  (Manni Wood <manni.wood@enterprisedb.com>)
List pgsql-hackers
Hi,

On Wed, 7 Jan 2026 at 22:13, Manni Wood <manni.wood@enterprisedb.com> wrote:
>
> Now that I am following Nazir's on how to configure my CPU for performance test run, and now that I am following
Mark'sadvice on pinning the postmaster to a particular CPU core, I figured I would share the scripts I have been using
tobuild, run, and test Postges with various patches applied: https://github.com/manniwood/copysimdperf 

Thank you for sharing this! I will try to use it soon.

> With Nazir and Mark's tips, I have seen more consistent numbers on my tower PC, as shared in a previous e-mail. But
Markand I saw rather variable results on a different Linux system he has access to. So this has inspired me to spin up
anAWS EC2 instance and test that when I find the time. And maybe re-test on my Linux laptop. 

Were you able to understand why Mark's benchmark results are different
from ours?

--
Regards,
Nazir Bilal Yavuz
Microsoft



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