1 // Ceres Solver - A fast non-linear least squares minimizer
2 // Copyright 2015 Google Inc. All rights reserved.
3 // http://ceres-solver.org/
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are met:
8 // * Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright notice,
11 // this list of conditions and the following disclaimer in the documentation
12 // and/or other materials provided with the distribution.
13 // * Neither the name of Google Inc. nor the names of its contributors may be
14 // used to endorse or promote products derived from this software without
15 // specific prior written permission.
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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26 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 // POSSIBILITY OF SUCH DAMAGE.
29 // Author: sameeragarwal@google.com (Sameer Agarwal)
31 #ifndef CERES_INTERNAL_EXECUTION_SUMMARY_H_
32 #define CERES_INTERNAL_EXECUTION_SUMMARY_H_
37 #include "ceres/internal/port.h"
38 #include "ceres/wall_time.h"
39 #include "ceres/mutex.h"
44 // Struct used by various objects to report statistics and other
45 // information about their execution. e.g., ExecutionSummary::times
46 // can be used for reporting times associated with various activities.
47 class ExecutionSummary {
49 void IncrementTimeBy(const std::string& name, const double value) {
50 CeresMutexLock l(×_mutex_);
51 times_[name] += value;
54 void IncrementCall(const std::string& name) {
55 CeresMutexLock l(&calls_mutex_);
59 const std::map<std::string, double>& times() const { return times_; }
60 const std::map<std::string, int>& calls() const { return calls_; }
64 std::map<std::string, double> times_;
67 std::map<std::string, int> calls_;
70 class ScopedExecutionTimer {
72 ScopedExecutionTimer(const std::string& name, ExecutionSummary* summary)
73 : start_time_(WallTimeInSeconds()),
77 ~ScopedExecutionTimer() {
78 summary_->IncrementTimeBy(name_, WallTimeInSeconds() - start_time_);
82 const double start_time_;
83 const std::string name_;
84 ExecutionSummary* summary_;
87 } // namespace internal
90 #endif // CERES_INTERNAL_EXECUTION_SUMMARY_H_