Let's say I have a matrix, and I want to compute sin() on all elements.
How do I do that with metal performance shaders?
Do I write some new kernel inheriting from MPSMatrixUnaryKernel?
How to implement scalar operation of all elements of matrix in Metal Performance Shaders?
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I think MPS is not meant to be extended. You can "simply" write your own Metal compute shader for that.
This seems to be a good tutorial to get started.