I don't see any reason the swift type system could not accommodate the types required for ML. I did a lot of work with computer graphics in Swift, which is all

I don't see any reason the swift type system could not accommodate the types required for ML. I did a lot of work with computer graphics in Swift, which is all linear algebra also, and the type system was a huge benefit. Also I don't see why Swift would perform worse than python in any case. If python is fast, it's because it's wrapping a C++ library. There's no reason Swift could not wrap the same library, but on top Swift could communicate better type information back to the user.