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runtime对net IO切换时机的问题 | golang 系统调用与阻塞处理 #35

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lysShub opened this issue Oct 13, 2022 · 0 comments
Open

runtime对net IO切换时机的问题 | golang 系统调用与阻塞处理 #35

lysShub opened this issue Oct 13, 2022 · 0 comments

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@lysShub
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lysShub commented Oct 13, 2022

在 golang 系统调用与阻塞处理 你说到go对net IO有专门的优化，不会阻塞M。

但是有个问题就是，net IO在读写频繁时，理论上来说不切换G性能更高，读取下一个数据包等待的代价低于G切换的代价。所以我想问一下，go是直接切换的还是有一些什么策略？
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@lysShub