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Re: optimize lookups in snapshot [sub]xip arrays - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: optimize lookups in snapshot [sub]xip arrays
Date
Msg-id 20220810001343.GA1546507@nathanxps13
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In response to Re: optimize lookups in snapshot [sub]xip arrays  (Nathan Bossart <nathandbossart@gmail.com>)
Responses Re: optimize lookups in snapshot [sub]xip arrays
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On Tue, Aug 09, 2022 at 01:00:37PM -0700, Nathan Bossart wrote:
> Your adjustments in 0002 seem reasonable to me.  I think it makes sense to
> ensure there is test coverage for pg_lfind32(), but I don't know if that
> syscache code is the right choice.  For non-USE_SSE2 builds, it might make
> these lookups more expensive.  I'll look around to see if there are any
> other suitable candidates.

One option might be to create a small test module for pg_lfind32().  Here
is an example.

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
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