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perf: Increase the size of rayon threadpool for syscalls#189
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I found that rayon is used only for syscalls. rayon is built for CPU-heavy tasks, but, it can still be used for syscalls. But we need one more patch to make it faster. 1x CPU count is too small because of blocking. There will be some idle threads.
I also wrote a comment about future improvements.
Blocked by
malloc#188