Python · Alternative Interpreters & Compilers

What is the GIL in CPython, and why does its existence motivate alternatives like Cython's nogil or other interpreters?

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More in Alternative Interpreters & Compilers

When someone says "Python," which implementation do they almost always mean, and what does that implementation actually produce from your source?

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You swap CPython for PyPy on a script that mostly reads files from disk and waits on the network. Will it speed up much? Why or why not?

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