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From: Christoph Berg <[email protected]>
To: Pop, Sebastian <[email protected]>
Cc: PostgreSQL in Debian <[email protected]>
Cc: Saidi, Ali <[email protected]>
Cc: Csoma, Csaba <[email protected]>
Subject: Re: [PATCH] audo-detect and use -moutline-atomics compilation flag for aarch64
Date: Thu, 11 Nov 2021 18:13:35 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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	<[email protected]>

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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