PyTorch for WebGPU

>>mighdo+(OP)
I'm excited about this for probably different reasons than most: I think Typescript could be a more ergonomic way to develop ML models than Python because you can automatically infer and check tensor dimensions while you are writing code! Compare this to the mess of comments you usually see writing pytorch telling you that x is of shape [x, y, z].

  // An empty 3x4 matrix
  const tensorA = tensor([3, 4])
  
  // An empty 4x5 matrix
  const tensorB = tensor([4, 5])

  const good = multiplyMatrix(tensorA, tensorB);
        ^
        Inferred type is Tensor<readonly [3, 5]>
  
  const bad = multiplyMatrix(tensorB, tensorA);
                             ^^^^^^^
                             Argument of type 'Tensor<readonly [4, 5]>' is not 
                             assignable to parameter of type '[never, "Differing 
                             types", 3 | 5]'.(2345)

I prototyped this for PotatoGPT [1] and some kind stranger on the internet wrote up a more extensive take [2]. You can play with an early version on the Typescript playground here [3] (uses a twitter shortlink for brevity)

[1] https://github.com/newhouseb/potatogpt

[2] https://sebinsua.com/type-safe-tensors

[3] https://t.co/gUzzTl4AAN

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