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by jitl 591 days ago
> Python is fast

Compared to compiled languages and JIT languages CPython is not fast, and removing the GIL does not improve the single thread performance of the language, right now it causes a 1-2% performance regression of single thread. Something like request validation seems like it wouldn’t benefit from more threads much; or if you need N threads to validate a request in 1ms in Python, it’s likely you could validate the same request in 1 thread in 1ms with another language.
1 comments
dsuch 591 days ago
Your analysis is very much correct, and that's why it doesn't make much sense today to rewrite reverse proxies in Python if your goal is raw performance.

Whether it's going to be a worthy goal in the future, I'm not quite sure. I consider this class of software an already well-researched subject in a congested space, and I'd just move on to something more interesting, to a greener field.

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