node.js - Multiprocessing to maximize CPU usage: guarantee of each process in a separate core?

Question

In single-threaded languages (like Nodejs and Python), one way to use all CPU cores for CPU-bound workloads is to use multi-processing.

Question

If my CPU has n cores and my script forks n sub-processes, what's the guarantee that each sub-process will run on a separate CPU core? Does the language runtime delegate this to the OS?

question from:https://stackoverflow.com/questions/65847291/multiprocessing-to-maximize-cpu-usage-guarantee-of-each-process-in-a-separate-c

Answer 1

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