Exactly why I asked, Numpy is already pretty optimized on ..ahem.. numerical operations. Maybe some optimization on multithreading Still I am reasonably sure

Exactly why I asked, Numpy is already pretty optimized on ..ahem.. numerical operations. Maybe some optimization on multithreading Still I am reasonably sure Numpy utilizes multithreading already. https://in.nau.edu/arc/parallelism-in-python https://in.nau.edu/arc/parallelism-in-python And here we assume there are no NaNs. So something else.