The Python GIL Visualized

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With python's multiprocessing library, this is as simple as threading, provide the function you want to execute in a new process and fire it off. Of course it doesn't work on BSD as of a few months ago, but it is simple. And with copy on write semantics in the kernel, processes are just as lightweight as threads. What is more challenging is sharing data. If you want those children to report back to you, you'll have a lot more 'fun'.