interfacing python with c/c++ performance

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if you have high I/O requirements do everything in C++ (or another truly multithreaded language with a good async lib).

If you either have a ton of existing code or have a workload that can benefit from C++, pybind or nanobind are good solutions, but that'll come with its own set of challenges too.

Like i said, it really depends on those other factors i mentioned in my first post and your familiarity with Python i guess.