| From: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: optimize atomic exchanges |
| Date: | 2023-12-04 21:08:57 |
| Message-ID: | 20231204210857.GA2203877@nathanxps13 |
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| Lists: | pgsql-hackers |
On Mon, Dec 04, 2023 at 12:18:05PM -0600, Nathan Bossart wrote:
> Barring objections or additional feedback, I think I'm inclined to press
> forward with this one and commit it in the next week or two. I'm currently
> planning to keep the inline assembly, but I'm considering removing the
> configuration checks for __atomic_exchange_n() if the availability of
> __atomic_compare_exchange_n() seems like a reliable indicator of its
> presence. Thoughts?
Concretely, like this.
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
| Attachment | Content-Type | Size |
|---|---|---|
| v2-0001-Optimize-pg_atomic_exchange_u-32-64.patch | text/x-diff | 6.1 KB |
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