megenginelite-sys 1.8.2

A safe megenginelite wrapper in Rust
Documentation 
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/**
 * \file dnn/src/cuda/lrn/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/cuda/cudnn_wrapper.h"

namespace megdnn {
namespace cuda {

class LRNForwardImpl final : public LRNForward {
public:
    using LRNForward::LRNForward;
    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 {
        return 0;
    }

private:
    TensorDesc src_desc, dst_desc;
    LRNDesc lrn_desc;
    void setup_descs(const TensorLayout& src, const TensorLayout& dst);
};

class LRNBackwardImpl final : public LRNBackward {
public:
    using LRNBackward::LRNBackward;
    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 {
        return 0;
    }

private:
    TensorDesc src_desc, dst_desc, diff_desc, grad_desc;
    LRNDesc lrn_desc;
    void setup_descs(
            const TensorLayout& src, const TensorLayout& dst, const TensorLayout& diff,
            const TensorLayout& grad);
};

}  // namespace cuda
}  // namespace megdnn

// vim: syntax=cpp.doxygen