Re: optimize atomic exchanges

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От Nathan Bossart
Тема Re: optimize atomic exchanges
Дата
Msg-id 20231204210857.GA2203877@nathanxps13
обсуждение исходный текст
Ответ на Re: optimize atomic exchanges  (Nathan Bossart <nathandbossart@gmail.com>)
Ответы Re: optimize atomic exchanges  (Andres Freund <andres@anarazel.de>)
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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

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