multiplyScalarGPU function

GPUTensor<Scalar> multiplyScalarGPU(
  1. GPUTensor<Scalar> a,
  2. GPUTensor<Scalar> b,
  3. CommandBuffer tape, {
  4. GPUTensor<Scalar>? outTensor,
})

Implementation

GPUTensor<Scalar> multiplyScalarGPU(
    GPUTensor<Scalar> a, GPUTensor<Scalar> b, CommandBuffer tape,
    {GPUTensor<Scalar>? outTensor}) {
  GPUTensor<Scalar> out = outTensor ?? GPUTensor<Scalar>(0.0);

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

  out.creator = GPUNode(
    [a, b],
    (CommandBuffer bTape) {
      bTape.putInt(OP_MULTIPLY_BACKWARD);
      bTape.putString(out.gradId);
      bTape.putString(b.id);
      bTape.putString(a.gradId);

      bTape.putInt(OP_MULTIPLY_BACKWARD);
      bTape.putString(out.gradId);
      bTape.putString(a.id);
      bTape.putString(b.gradId);
    },
    opName: 'multiplyScalarGPU',
    cost: 1,
  );

  return out;
}