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Re: optimize several list functions with SIMD intrinsics - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: optimize several list functions with SIMD intrinsics
Date
Msg-id 20230308045658.GA3419785@nathanxps13
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In response to Re: optimize several list functions with SIMD intrinsics  (David Rowley <dgrowleyml@gmail.com>)
Responses Re: optimize several list functions with SIMD intrinsics  (Nathan Bossart <nathandbossart@gmail.com>)
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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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