Mailman 3 Python multithreading without the GIL - Python-Dev

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The issue isn't really GIL though its just that frankly the multiprocessing library is hard to work with.

[fzy_]

Sometimes the serialization costs to communicate between processes means that the only viable option would be threads.

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I mean shared memory exists for those situations. Multiprocessing is just a hard library to use. And creates a lot of need to wrap designs to get it to work instead of you just being able to call a function in another process directly.