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79 lines
2.8 KiB
79 lines
2.8 KiB
/* Copyright (c) 2017 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include "MKLDNNLayer.h"
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#include "mkldnn.hpp"
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namespace paddle {
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typedef mkldnn::lrn_forward lrn_fwd;
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typedef mkldnn::lrn_backward lrn_bwd;
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/**
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* @brief A subclass of MKLDNNLayer LRN(Local Response Norm) layer.
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*
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* The config file api is mkldnn_lrn
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*/
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class MKLDNNLRNLayer : public MKLDNNLayer {
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protected:
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// save forward primitive_desc, which can be used in backward
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std::shared_ptr<lrn_fwd::primitive_desc> fwdPD_;
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// according to https://github.com/01org/mkl-dnn/blob/master/tests/gtests/
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// test_lrn_backward.cpp, lrn need workspace for backward
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std::shared_ptr<mkldnn::memory> workspace_;
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int localSize_;
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float alpha_, beta_; // scale and pow in paddle
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public:
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explicit MKLDNNLRNLayer(const LayerConfig& config) : MKLDNNLayer(config) {}
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~MKLDNNLRNLayer() {}
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bool init(const LayerMap& layerMap,
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const ParameterMap& parameterMap) override;
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void reshape(
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int& bs, int& ic, int& ih, int& iw, int& oc, int& oh, int& ow) override;
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void resetFwd(std::vector<mkldnn::primitive>& pipeline,
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std::vector<MKLDNNMatrixPtr>& inputs,
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MKLDNNMatrixPtr& out) override;
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void resetBwd(std::vector<mkldnn::primitive>& pipeline,
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std::vector<MKLDNNMatrixPtr>& inputs,
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MKLDNNMatrixPtr& out) override;
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protected:
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void resetFwdBuffers(MKLDNNMatrixPtr& in, MKLDNNMatrixPtr& out);
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void resetFwdPD(std::shared_ptr<lrn_fwd::primitive_desc>& pd,
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MKLDNNMatrixPtr in,
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MKLDNNMatrixPtr out);
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void resetFwdPipeline(std::vector<mkldnn::primitive>& pipeline,
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std::shared_ptr<lrn_fwd::primitive_desc>& pd,
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MKLDNNMatrixPtr& in,
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MKLDNNMatrixPtr& out);
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void resetBwdBuffers(MKLDNNMatrixPtr& in, MKLDNNMatrixPtr& out);
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void resetBwdPD(std::shared_ptr<lrn_bwd::primitive_desc>& pd,
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MKLDNNMatrixPtr& in,
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MKLDNNMatrixPtr& out);
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void resetBwdPipeline(std::vector<mkldnn::primitive>& pipeline,
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std::shared_ptr<lrn_bwd::primitive_desc>& pd,
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MKLDNNMatrixPtr& in,
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MKLDNNMatrixPtr& out);
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};
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} // namespace paddle
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