add3DGPU function

GPUTensor<Tensor3D> add3DGPU(GPUTensor<Tensor3D> a, GPUTensor<Tensor3D> b, CommandBuffer tape)

Implementation

GPUTensor<Tensor3D> add3DGPU(GPUTensor<Tensor3D> a, GPUTensor<Tensor3D> b, CommandBuffer tape) {
  int depth = a.shape[0];
  int height = a.shape[1];
  int width = a.shape[2];

  GPUTensor<Tensor3D> out = GPUTensor<Tensor3D>.empty(<int>[depth, height, width]);

  tape.putInt(OP_ADD);
  tape.putString(a.id);
  tape.putString(b.id);
  tape.putString(out.id);

  out.creator = GPUNode(
    [a, b],
        (CommandBuffer bTape) {
      bTape.putInt(OP_ADD_INTO);
      bTape.putString('${out.id}_grad');
      bTape.putString('${a.id}_grad');

      bTape.putInt(OP_ADD_INTO);
      bTape.putString('${out.id}_grad');
      bTape.putString('${b.id}_grad');
    },
    opName: 'add_3dGPU',
    cost: depth * height * width,
  );

  return out;
}