From: Tom Lane <tgl@sss.pgh.pa.us>
To: Nathan Bossart <nathandbossart@gmail.com>
cc: pgsql-hackers@postgresql.org, dipiets@amazon.com
Subject: Re: use a non-locking initial test in TAS_SPIN on AArch64
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References: <ZxgDEb_VpWyNZKB_@nathan> <Z37AA6-SsJoLaifa@nathan>
Comments: In-reply-to Nathan Bossart <nathandbossart@gmail.com>
	message dated "Wed, 08 Jan 2025 12:12:19 -0600"
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Date: Wed, 08 Jan 2025 15:23:45 -0500
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Nathan Bossart <nathandbossart@gmail.com> writes:
> Are there any objections to proceeding with this change?  So far, it's been
> tested on a c8g.24xlarge and an Apple M3 (which seems to be too small to
> show any effect).  If anyone has access to a larger ARM machine, additional
> testing would be greatly appreciated.  I think it would be unfortunate if
> this slipped to v19.

I just acquired an M4 Pro, which may also be too small to show any
effect, but perhaps running the test there would at least give us
more confidence that there's not a bad effect.  Which test case(s)
would you recommend trying?

			regards, tom lane