> I think that the ML community's decision to write core operations in C or C++ and provide Python wrappers is the way to go about it if you want the flexibility of scripting.

Isn’t Google’s “Swift for TensorFlow” move in direct opposition to this statement? I think you are right that it gets you 95% of the way, but that the final 5% of performance and portability simply will not be there.

https://github.com/tensorflow/swift/blob/master/docs/DesignO...