| /********************************************************* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| ************************************************************/ |
| #ifndef SINGA_MODEL_LAYER_CUDNN_BATCHNORM_H |
| #define SINGA_MODEL_LAYER_CUDNN_BATCHNORM_H |
| #include "singa/singa_config.h" |
| #ifdef USE_CUDNN |
| |
| #include "batchnorm.h" |
| #include "cudnn_utils.h" |
| |
| namespace singa { |
| class CudnnBatchNorm : public BatchNorm { |
| public: |
| ~CudnnBatchNorm(); |
| /// \copy doc Layer::layer_type() |
| // const std::string layer_type() const override { return "CudnnBatchNorm"; } |
| |
| void Setup(const Shape& in_sample, const LayerConf& conf) override; |
| |
| const Tensor Forward(int flag, const Tensor& input) override; |
| const std::pair<Tensor, vector<Tensor>> Backward(int flag, |
| const Tensor& grad) override; |
| void ToDevice(std::shared_ptr<Device> device) override; |
| |
| private: |
| /// Init cudnn related data structures. |
| void InitCudnn(const Shape& shape, DataType dtype); |
| |
| private: |
| bool has_init_cudnn_ = false; |
| cudnnBatchNormMode_t mode_; |
| cudnnLRNDescriptor_t lrn_desc_ = nullptr; |
| cudnnTensorDescriptor_t shape_desc_ = nullptr, param_desc_ = nullptr; |
| Tensor resultSaveMean_, resultSaveVariance_; |
| |
| }; // class CudnnBatchNorm |
| } // namespace |
| |
| #endif // USE_CUDNN |
| #endif // SINGA_MODEL_LAYER_CUDNN_BATCHNORM |