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关于调度机制的问题 #49

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gamark opened this issue Nov 29, 2022 · 1 comment

gamark commented Nov 29, 2022

我架了4个编译节点， A:50核，B:50核， C:20核， D:20核。

当我make -j80的时候， A:50核占满，B:30核，C,和D，偶尔会有占用一两核。 C和D，在这种情况下，大部分时候没有编译任务。

想问下，有没有方案，让调度更平均一点，当make -j80的时候，按比例分配到节点
比如: A:28, B:28, C:12 D:12

Collaborator

0x804d8000 commented Nov 29, 2022

https://github.com/Tencent/yadcc/blob/master/yadcc/scheduler/task_dispatcher.cc#L399

目前逻辑上确实是会尽量均分负载的，观察到这个现象比较奇怪。

可以看看https://github.com/Tencent/yadcc/blob/master/yadcc/scheduler/task_dispatcher.cc#L321 这儿的逻辑在你的环境里跑到了哪些分支

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