Function check_cl

intermediate_source/memory_format_tutorial.py:329–354

(*args, **kwargs)

    name = fn.__name__

    def check_cl(*args, **kwargs):
        was_cl = contains_cl(args)
        try:
            result = fn(*args, **kwargs)
        except Exception as e:
            print("`{}` inputs are:".format(name))
            print_inputs(args)
            print("-------------------")
            raise e
        failed = False
        if was_cl:
            if isinstance(result, torch.Tensor):
                if result.dim() == 4 and not result.is_contiguous(memory_format=torch.channels_last):
                    print(
                        "`{}` got channels_last input, but output is not channels_last:".format(name),
                        result.shape,
                        result.stride(),
                        result.device,
                        result.dtype,
                    )
                    failed = True
        if failed and True:
            print("`{}` inputs are:".format(name))
            print_inputs(args)
            raise Exception("Operator `{}` lost channels_last property".format(name))
        return result

    return check_cl