From: Nathan Bossart <nathandbossart@gmail.com>
To: Jingtang Zhang <mrdrivingduck@gmail.com>
Cc: pgsql-hackers@lists.postgresql.org
Subject: Re: use a non-locking initial test in TAS_SPIN on AArch64
Date: Wed, 23 Oct 2024 10:18:55 -0500
Message-ID: <ZxkT3_2zQiXoh3eW@nathan> (raw)
In-Reply-To: <ZxkMYErAZKcnpwuY@nathan>
References: <ZxgDEb_VpWyNZKB_@nathan>
<CAPsk3_Bx5PhS9A+NH7SO2K-bwrZS7q4i-WTy1Bf98j0CAEqa=g@mail.gmail.com>
<ZxkMYErAZKcnpwuY@nathan>
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-hackers@postgresql.org
Cc: nathandbossart@gmail.com, mrdrivingduck@gmail.com, pgsql-hackers@lists.postgresql.org
Subject: Re: use a non-locking initial test in TAS_SPIN on AArch64
In-Reply-To: <ZxkT3_2zQiXoh3eW@nathan>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox