| // The MIT License (MIT) |
| // |
| // Copyright (c) 2016 Northeastern University |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a copy |
| // of this software and associated documentation files (the "Software"), to deal |
| // in the Software without restriction, including without limitation the rights |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| // copies of the Software, and to permit persons to whom the Software is |
| // furnished to do so, subject to the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included in |
| // all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| // SOFTWARE. |
| |
| #ifndef CORE_INCLUDE_TIMER_H_ |
| #define CORE_INCLUDE_TIMER_H_ |
| |
| #include <sys/time.h> |
| #include <numeric> |
| #include <map> |
| |
| namespace dnnmark { |
| |
| // Class StopWatch |
| class StopWatch { |
| private: |
| struct timeval start_; |
| struct timeval end_; |
| bool started_; |
| |
| public: |
| StopWatch() : |
| started_(false) {} |
| |
| void Start() { |
| if (!started_) |
| gettimeofday(&start_, NULL); |
| else |
| LOG(FATAL) << "The Stop Watch has already started"; |
| started_ = true; |
| } |
| void Stop() { |
| if (started_) { |
| gettimeofday(&end_, NULL); |
| started_ = false; |
| } else { |
| LOG(FATAL) << "No Stop Watch has been started yet"; |
| } |
| } |
| double DiffInMs() { |
| return static_cast<double>(end_.tv_sec * 1000 + |
| static_cast<double>(end_.tv_usec) / 1000) - |
| static_cast<double>(start_.tv_sec * 1000 + |
| static_cast<double>(start_.tv_usec) / 1000); |
| } |
| }; |
| |
| class Timer { |
| private: |
| StopWatch watch_; |
| std::vector<std::string> layer_table_; |
| std::vector<double> timing_table_; |
| int num_records_; |
| double total_time_; |
| |
| public: |
| Timer() |
| : watch_(), num_records_(0), total_time_(0.0) {} |
| |
| void Start(const std::string &layer) { |
| watch_.Start(); |
| layer_table_.push_back(layer); |
| } |
| |
| // Stop and record the current elapsed time and record it |
| void Stop(const std::string &layer) { |
| watch_.Stop(); |
| if (!layer.compare(layer_table_.back())) |
| timing_table_.push_back(watch_.DiffInMs()); |
| else |
| LOG(FATAL) << "Layer to measure doesn't match"; |
| } |
| |
| // Reset all the recorded value to 0 |
| void Clear() { |
| layer_table_.clear(); |
| timing_table_.clear(); |
| } |
| |
| // Sum up all the recorded times and store the sum to vec_ |
| void SumRecords() { |
| int index = 0; |
| for (auto const &i : layer_table_) { |
| LOG(INFO) << i << ": " << timing_table_[index] << "ms"; |
| total_time_ += timing_table_[index]; |
| index++; |
| } |
| } |
| |
| double GetTotalTime() { |
| return total_time_; |
| } |
| |
| int GetNumRecords() { |
| return num_records_; |
| } |
| |
| }; |
| |
| } // namespace dnnmark |
| |
| #endif // CORE_INCLUDE_TIMER_H_ |