def default_data_to_device(input, target=None, device: str='cuda',
    non_blocking: bool=True):
    """Sends data output from a PyTorch Dataloader to the device."""
    input = input.to(device=device, non_blocking=non_blocking)
    if target is not None:
        target = target.to(device=device, non_blocking=non_blocking)
    return input, target
