Sujet : Re: Futexes ain't fast
De : Bonita.Montero (at) *nospam* gmail.com (Bonita Montero)
Groupes : comp.lang.c++Date : 26. Sep 2024, 17:30:53
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vd427l$8io1$1@raubtier-asyl.eternal-september.org>
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Am 30.08.2024 um 22:04 schrieb Chris M. Thomasson:
On 8/30/2024 1:03 PM, Bonita Montero wrote:
Am 30.08.2024 um 21:43 schrieb Chris M. Thomasson:
On 8/30/2024 8:41 AM, Bonita Montero wrote:
Am 30.08.2024 um 15:31 schrieb jseigh:
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They don't have to be fast, they just have to allow correct synchronization
and allow performant fast paths. ...
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Futexes are there to make the slow past faster.
The fast path has been fast before.
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No. You are wrong here.
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No, you don't need a futex for the slow path.
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I don't know what you even mean here. Tell me the difference between a slow path and a fast path.
The fast path is in userspace, the slow path is in kernel space.
Futexes ain't fast
Re: Futexes ain't fast
