opr_impl.h

/**
 * \file dnn/src/naive/pooling/opr_impl.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/oprs.h"
#include "src/common/utils.h"

namespace megdnn {
namespace naive {

class PoolingForwardImpl: public PoolingForward {
    public:
        using PoolingForward::PoolingForward;
        void exec(_megdnn_tensor_in src, _megdnn_tensor_out dst,
                _megdnn_workspace workspace) override;
        size_t get_workspace_in_bytes(const TensorLayout&,
                                      const TensorLayout&) override;

    private:
        WorkspaceBundle get_workspace_bundle(void* ptr, const TensorLayout&,
                                             const TensorLayout&) const;

        const char* get_algorithm_set_name() const override {
            return "DEFALUT";
        }

        Algorithm* get_algorithm_from_desc(const AlgorithmDesc&) override;

        std::vector<Algorithm*> get_all_algorithms(
                const TensorLayout& src, const TensorLayout& dst) override;

        Algorithm* get_algorithm_heuristic(
                const TensorLayout& src, const TensorLayout& dst,
                size_t workspace_limit_in_bytes,
                const AlgoAttribute& positive_attr,
                const AlgoAttribute& negative_attr) override;
};

class PoolingBackwardImpl : public PoolingBackward {
public:
    using PoolingBackward::PoolingBackward;
    void exec(_megdnn_tensor_in src, _megdnn_tensor_in dst,
              _megdnn_tensor_in diff, _megdnn_tensor_out grad,
              _megdnn_workspace workspace) override;
    size_t get_workspace_in_bytes(const TensorLayout&, const TensorLayout&,
                                  const TensorLayout&,
                                  const TensorLayout&) override;

    const char* get_algorithm_set_name() const override { return "DEFALUT"; }

    Algorithm* get_algorithm_from_desc(const AlgorithmDesc&) override;

    std::vector<Algorithm*> get_all_algorithms(
            const TensorLayout& src, const TensorLayout& dst,
            const TensorLayout& diff, const TensorLayout& grad) override;

    Algorithm* get_algorithm_heuristic(
            const TensorLayout& src, const TensorLayout& dst,
            const TensorLayout& diff, const TensorLayout& grad,
            size_t workspace_limit_in_bytes, const AlgoAttribute& positive_attr,
            const AlgoAttribute& negative_attr) override;

private:
    WorkspaceBundle get_workspace_bundle(void* ptr, const TensorLayout&,
                                         const TensorLayout&,
                                         const TensorLayout&,
                                         const TensorLayout&) const;
};

} // namespace naive
} // namespace megdnn
// vim: syntax=cpp.doxygen