From: Nathan Bossart <nathandbossart@gmail.com>
To: David Rowley <dgrowleyml@gmail.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: optimize several list functions with SIMD intrinsics
Date: Tue, 7 Mar 2023 20:56:58 -0800
Message-ID: <20230308045658.GA3419785@nathanxps13> (raw)
In-Reply-To: <CAApHDvoZUGY+BBuGTMQoxwqSe9C9mPs2zZ+rUWbWqur23=LAWw@mail.gmail.com>
References: <20230308002502.GA3378449@nathanxps13>
<CAApHDvoZUGY+BBuGTMQoxwqSe9C9mPs2zZ+rUWbWqur23=LAWw@mail.gmail.com>
On Wed, Mar 08, 2023 at 01:54:15PM +1300, David Rowley wrote:
> Interesting and quite impressive performance numbers.
Thanks for taking a look.
> From having a quick glance at the patch, it looks like you'll need to
> take some extra time to make it work on 32-bit builds.
At the moment, the support for SIMD intrinsics in Postgres is limited to
64-bit (simd.h has the details). But yes, if we want to make this work for
32-bit builds, additional work is required.
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
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To: pgsql-hackers@postgresql.org
Cc: nathandbossart@gmail.com, dgrowleyml@gmail.com
Subject: Re: optimize several list functions with SIMD intrinsics
In-Reply-To: <20230308045658.GA3419785@nathanxps13>
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