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Re: use a non-locking initial test in TAS_SPIN on AArch64 - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: use a non-locking initial test in TAS_SPIN on AArch64
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Msg-id ZxkT3_2zQiXoh3eW@nathan
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In response to Re: use a non-locking initial test in TAS_SPIN on AArch64  (Nathan Bossart <nathandbossart@gmail.com>)
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On Wed, Oct 23, 2024 at 09:46:56AM -0500, Nathan Bossart wrote:
> I have a couple of Apple M-series machines I can test, too.

After some preliminary tests on an M3, I'm not seeing any gains outside the
noise range.  That's not too surprising because it's likely more difficult
to create a lot of spinlock contention on these smaller machines.  But, at
the very least, I'm not seeing a regression.

-- 
nathan

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