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Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> Newsgroups: comp.lang.c++ Subject: Re: Futexes ain't fast Date: Fri, 30 Aug 2024 12:43:39 -0700 Organization: A noiseless patient Spider Lines: 12 Message-ID: <vat7db$k5je$6@dont-email.me> References: <van414$3fe9t$1@raubtier-asyl.eternal-september.org> <vashj8$gpjk$1@dont-email.me> <vasp6h$i41a$1@raubtier-asyl.eternal-september.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Fri, 30 Aug 2024 21:43:40 +0200 (CEST) Injection-Info: dont-email.me; posting-host="52205d2e02d95465ac4101a55f1e89ed"; logging-data="661102"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18I8FDWE9xu1DMA+CckNPnxakuAeK4c4nU=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:+Cw5VCGIsw/NzxkwDgV5EDl7IIg= In-Reply-To: <vasp6h$i41a$1@raubtier-asyl.eternal-september.org> Content-Language: en-US Bytes: 1476 On 8/30/2024 8:41 AM, Bonita Montero wrote: > Am 30.08.2024 um 15:31 schrieb jseigh: > >> They don't have to be fast, they just have to allow correct >> synchronization >> and allow performant fast paths. ... > > Futexes are there to make the slow past faster. > The fast path has been fast before. > No. You are wrong here.