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I’m under the impression that the best BLASes are mostly C (MKL, Blis, and OpenBlas). I wonder how far they could get with just C and Python.

I wonder if they’d just go with libflame instead, if they started today.

Of course there’s lots of other functionality in scipy; iterative stuff, sparse stuff, etc etc, so maybe Fortran is unavoidable (although, Fortran is a great language, I’m glad the tooling situation is at least starting to improve on Windows).

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The question of removing fortran from scipy has happened a few times, and never got anywhere for the reasons you gave. A lot of scipy itself contains fortran code that would take man years to rewrite.

Several key parts using fortran have been removed, once it became possible. For example fft stuff.

not gonna lie, seeing "Fortran is a great language, I’m glad the tooling situation is at least starting to improve on Windows" was not on my 2023 bingo card

I assume that is because Fortran is such a great language that you just didn’t think it was possible that the tooling situation on Windows could be anything but perfect. :)

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