pub fn launch_ref<R: Runtime>(
client: &ComputeClient<R>,
input: &TensorHandleRef<'_, R>,
output: &TensorHandleRef<'_, R>,
scale: &TensorHandleRef<'_, R>,
out_scale: &TensorHandleRef<'_, R>,
scheme: &QuantScheme,
input_elem: ElemType,
) -> Result<(), LaunchError>