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Path: ...!npeer.as286.net!dummy01.as286.net!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: jseigh <jseigh_es00@xemaps.com> Newsgroups: comp.arch Subject: Re: arm ldxr/stxr vs cas Date: Tue, 10 Sep 2024 17:34:28 -0400 Organization: A noiseless patient Spider Lines: 16 Message-ID: <vbqe14$35sqv$1@dont-email.me> References: <vb4sit$2u7e2$1@dont-email.me> <07d60bd0a63b903820013ae60792fb7a@www.novabbs.org> <vbc4u3$aj5s$1@dont-email.me> <898cf44224e9790b74a0269eddff095a@www.novabbs.org> <vbd4k1$fpn6$1@dont-email.me> <vbd91c$g5j0$1@dont-email.me> <vbm790$2atfb$2@dont-email.me> <vbn0o6$2ed30$1@dont-email.me> <vbno6u$2hvrc$2@dont-email.me> <vbplo5$30k42$1@dont-email.me> <vbq45r$33j93$4@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 10 Sep 2024 23:34:28 +0200 (CEST) Injection-Info: dont-email.me; posting-host="962e6e0f08d33e3da6320defbc27b398"; logging-data="3339103"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18KvYlqXwRAa72HdYY5zz5+" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:gszAx31+M9H2LpKICyXir57MFqw= In-Reply-To: <vbq45r$33j93$4@dont-email.me> Content-Language: en-US Bytes: 1946 On 9/10/24 14:46, Chris M. Thomasson wrote: > On 9/10/2024 7:40 AM, jseigh wrote: >> >> >> One of the things I have in my implementation is that an enqueue >> operation can detect if wrap occurred if it got a interrupted by >> a time slice end and log how far behind it got. I'm seeing about >> 200,000 enqueue operations in those cases. That would have been >> a huge performance hit if my queue wasn't lock-free. > > Is your queue similar to the M&S Queue? > > https://people.csail.mit.edu/xchen/parallel-computing/queue.pdf > Yes.