将GoRoutines绑定到cpu内核[重复]

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is it possible to force a go routine to be run on a specific CPU? 2 answers

I need to run a number of go routines and bind them to separate CPU cores for a benchmark test.

I've tried with runtime.LockOSThread() but this degrades performance significantly. I do not want to lock go rountines to specific threads and in my understanding LockOSThread does just that.

Ex: If I have n goroutines where n>1 they should be bound to n cores where GOMAXPROCS >= n. That is each goroutine is always scheduled on the same core.

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Use reuseport listener.
Run a separate server instance per CPU core with GOMAXPROCS=1.
Pin each server instance to a separate CPU core using taskset.
Ensure the interrupts of multiqueue network card are evenly distributed between CPU cores. See this article for details.

Full details can be found here