| From: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
|---|---|
| To: | Ayoub Kazar <ayoub(dot)kazar(at)data-bene(dot)io> |
| Cc: | KAZAR Ayoub <ma_kazar(at)esi(dot)dz>, Andres Freund <andres(at)anarazel(dot)de>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Neil Conway <neil(dot)conway(at)gmail(dot)com>, Manni Wood <manni(dot)wood(at)enterprisedb(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Shinya Kato <shinya11(dot)kato(at)gmail(dot)com>, Mark Wong <markwkm(at)gmail(dot)com>, Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com> |
| Subject: | Re: Speed up COPY TO text/CSV parsing using SIMD |
| Date: | 2026-09-03 18:21:24 |
| Message-ID: | apm6pILzsNF8lJBy@nathan |
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| Lists: | pgsql-hackers |
On Thu, Sep 03, 2026 at 06:01:15PM +0200, Ayoub Kazar wrote:
> After looking into more test cases, the opportunity here isn't as big as it
> was for COPY FROM in general cases, yet i have seen good performance gains
> show up in most cases, and avoiding regressions elsewhere adds some
> complexity, there's also the possibility to include the case of TOASTed
> attributes here ; which i think is a win.
Yeah, when I looked into this one a while ago, I couldn't find a good way
to avoid regressions. I wonder if we'll need to make some architectural
adjustments before trying again.
--
nathan
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