| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 | // Ceres Solver - A fast non-linear least squares minimizer// Copyright 2015 Google Inc. All rights reserved.// http://ceres-solver.org///// Redistribution and use in source and binary forms, with or without// modification, are permitted provided that the following conditions are met://// * Redistributions of source code must retain the above copyright notice,//   this list of conditions and the following disclaimer.// * Redistributions in binary form must reproduce the above copyright notice,//   this list of conditions and the following disclaimer in the documentation//   and/or other materials provided with the distribution.// * Neither the name of Google Inc. nor the names of its contributors may be//   used to endorse or promote products derived from this software without//   specific prior written permission.//// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE// POSSIBILITY OF SUCH DAMAGE.//// Author: sameeragarwal@google.com (Sameer Agarwal)#ifndef CERES_INTERNAL_EXECUTION_SUMMARY_H_#define CERES_INTERNAL_EXECUTION_SUMMARY_H_#include <map>#include <string>#include "ceres/internal/port.h"#include "ceres/wall_time.h"#include "ceres/mutex.h"namespace ceres {namespace internal {// Struct used by various objects to report statistics and other// information about their execution. e.g., ExecutionSummary::times// can be used for reporting times associated with various activities.//// TODO(https://github.com/ceres-solver/ceres-solver/issues/340):// Replace the two maps by one to save on a lookup, since the usage// pattern is to keep track of the calls and the time increment at the// same time.//class ExecutionSummary { public:  void IncrementTimeBy(const std::string& name, const double value) {    CeresMutexLock l(×_mutex_);    times_[name] += value;  }  void IncrementCall(const std::string& name) {    CeresMutexLock l(&calls_mutex_);    calls_[name] += 1;  }  const std::map<std::string, double>& times() const { return times_; }  const std::map<std::string, int>& calls() const { return calls_; } private:  Mutex times_mutex_;  std::map<std::string, double> times_;  Mutex calls_mutex_;  std::map<std::string, int> calls_;};class ScopedExecutionTimer { public:  ScopedExecutionTimer(const std::string& name, ExecutionSummary* summary)      : start_time_(WallTimeInSeconds()),        name_(name),        summary_(summary) {}  ~ScopedExecutionTimer() {    summary_->IncrementTimeBy(name_, WallTimeInSeconds() - start_time_);    summary_->IncrementCall(name_);  } private:  const double start_time_;  const std::string name_;  ExecutionSummary* summary_;};}  // namespace internal}  // namespace ceres#endif  // CERES_INTERNAL_EXECUTION_SUMMARY_H_
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