1 /** 2 * Copyright 2020 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_LITE_INCLUDE_TRAIN_ACCURACY_MONITOR_H_ 17 #define MINDSPORE_LITE_INCLUDE_TRAIN_ACCURACY_MONITOR_H_ 18 #include <vector> 19 #include <string> 20 #include <utility> 21 #include <unordered_map> 22 #include "include/train/train_loop.h" 23 24 using GraphPoint = std::pair<int, float>; 25 26 namespace mindspore { 27 namespace lite { 28 29 class AccuracyMonitor : public session::TrainLoopCallBack { 30 public: 31 explicit AccuracyMonitor(mindspore::dataset::Dataset *dataset, int check_every_n, int max_steps = -1) ds_(dataset)32 : ds_(dataset), check_every_n_(check_every_n), max_steps_(max_steps) {} 33 ~AccuracyMonitor() = default; 34 void Begin(const session::TrainLoopCallBackData &cb_data) override; 35 int EpochEnd(const mindspore::session::TrainLoopCallBackData &cb_data) override; GetAccuracyPoints()36 const std::vector<GraphPoint> &GetAccuracyPoints() const { return accuracies_; } 37 38 private: 39 mindspore::dataset::Dataset *ds_; 40 std::vector<GraphPoint> accuracies_; 41 int check_every_n_; 42 int max_steps_; 43 }; 44 45 } // namespace lite 46 } // namespace mindspore 47 #endif // MINDSPORE_LITE_INCLUDE_TRAIN_ACCURACY_MONITOR_H_ 48