/**
 * \file dnn/src/cuda/relayout_format/relayout_format.h
 * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 *
 * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.
 */

#pragma once

#include "megdnn/basic_types.h"
#include "megdnn/oprs.h"
#include "src/cuda/utils.cuh"

namespace megdnn {
namespace cuda {
namespace relayout_format {

struct RelayoutFormatFast {
    static bool usable(const TensorLayout& src_layout,
                       const TensorLayout& dst_layout);
    static void exec(const TensorND& src, const TensorND& dst,
                     cudaStream_t stream, RelayoutFormat::Param::Mode mode,
                     int group);
};

}  // namespace relayout_format

}  // namespace cuda
}  // namespace megdnn

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