Thank you very much, it's a fact that he change was 6 years ago, it's a pity can't get that benchmark code. 在 2020年1月26日星期日 UTC+8下午11:55:01，Ian Lance Taylor写道： > > On Sun, Jan 26, 2020 at 2:31 AM jin wang <wangjin...@gmail.com > <javascript:>> wrote: > > > > why p's local run queue size is 256, not 128 or 512? > > Well, it has to be something. The choice of 256 was made when the > local run queue was changed to not use mutexes, in > https://golang.org/cl/46170044. Benchmarking showed that the change > was faster, but I don't know what values Dmitry tested other than 256. > > Ian >
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