flatten3DToMatrixGPU function

GPUTensor<Matrix> flatten3DToMatrixGPU(
  1. GPUTensor<Tensor3D> t,
  2. CommandBuffer tape, {
  3. GPUTensor<Matrix>? outTensor,
})

Implementation

GPUTensor<Matrix> flatten3DToMatrixGPU(
    GPUTensor<Tensor3D> t, CommandBuffer tape,
    {GPUTensor<Matrix>? outTensor}) {
  int c = t.shape[0];
  int h = t.shape[1];
  int w = t.shape[2];
  int flatSize = c * h * w;

  GPUTensor<Matrix> out =
      outTensor ?? GPUTensor<Matrix>.empty(<int>[1, flatSize]);

  tape.putInt(OP_COPY);
  tape.putString(t.id);
  tape.putString(out.id);

  out.creator = GPUNode(
    <GPUTensor>[t],
    (CommandBuffer bTape) {
      bTape.putInt(OP_ADD_INTO);
      bTape.putString(out.gradId);
      bTape.putString(t.gradId);
    },
    opName: 'flatten3DToMatrixGPU',
    cost: 0,
  );

  return out;
}