| From: | Christoph Berg <myon(at)debian(dot)org> |
|---|---|
| To: | "Pop, Sebastian" <spop(at)amazon(dot)com> |
| Cc: | PostgreSQL in Debian <pgsql-pkg-debian(at)postgresql(dot)org>, "Saidi, Ali" <alisaidi(at)amazon(dot)com>, "Csoma, Csaba" <csabac(at)amazon(dot)com> |
| Subject: | Re: [PATCH] audo-detect and use -moutline-atomics compilation flag for aarch64 |
| Date: | 2021-11-11 17:13:35 |
| Message-ID: | YY1PP8GLFqBqJppX@msg.df7cb.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-pkg-debian |
Re: Pop, Sebastian
> > The benchmarks in
> > https://www.postgresql.org/message-id/1C8D0E58-FB33-4105-AC00-8FA07621F5DD%40amazon.com
> > don't look like the option is a game-changer.
>
> Since then we have seen benchmarks that are several orders of magnitude faster with LSE instructions.
> I will get the new data and share.
>
> > Even if we are convinced, we don't have the infrastructure in the
> > package yet to do architecture- and distribution-specific
> > optimizations. Would you (Amazon?) be willing to sponsor the required
> > package engineering?
>
> Yes, I am willing to do whatever is necessary to enable the flag on PostgreSQL builds for Ubuntu 20.04.
> Please point me to the (git?) repo and the files that need to be changed.
https://salsa.debian.org/postgresql/postgresql-common.git
https://salsa.debian.org/postgresql/postgresql.git
https://git.postgresql.org/gitweb/?p=pgapt.git;a=summary
Christoph
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