mirror of
https://github.com/ceres-solver/ceres-solver.git
synced 2026-08-30 00:50:37 +08:00
Sameer Agarwal
42a84b87fa
1. Add an ExecutionSummary object to record execution information about Ceres objects. 2. Add an EventLogger object to log events in a function call. 3. Add a ScopedExecutionTimer object to log times in ExecutionSummary. 4. Instrument ProgramEvaluator and all the linear solvers to report their timing statistics. 5. Connect the timing statistics to Summary::FullReport. 6. Add high precision timer on unix systems using gettimeofday() call. 7. Various minor clean ups all around. Change-Id: I5e09804b730b09535484124be7dbc1c58eccd1d4
91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2013 Google Inc. All rights reserved.
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// http://code.google.com/p/ceres-solver/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: sameeragarwal@google.com (Sameer Agarwal)
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#ifndef CERES_INTERNAL_EXECUTION_SUMMARY_H_
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#define CERES_INTERNAL_EXECUTION_SUMMARY_H_
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#include <map>
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#include <string>
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#include "ceres/internal/port.h"
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#include "ceres/wall_time.h"
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#include "ceres/mutex.h"
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namespace ceres {
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namespace internal {
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// Struct used by various objects to report statistics and other
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// information about their execution. e.g., ExecutionSummary::times
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// can be used for reporting times associated with various activities.
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class ExecutionSummary {
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public:
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void IncrementTimeBy(const string& name, const double value) {
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CeresMutexLock l(×_mutex_);
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times_[name] += value;
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}
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void IncrementCall(const string& name) {
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CeresMutexLock l(&calls_mutex_);
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calls_[name] += 1;
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}
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const map<string, double>& times() const { return times_; };
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const map<string, int>& calls() const { return calls_; };
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private:
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Mutex times_mutex_;
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map<string, double> times_;
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Mutex calls_mutex_;
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map<string, int> calls_;
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};
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class ScopedExecutionTimer {
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public:
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ScopedExecutionTimer(const string& name, ExecutionSummary* summary)
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: start_time_(WallTimeInSeconds()),
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name_(name),
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summary_(summary) {}
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~ScopedExecutionTimer() {
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summary_->IncrementTimeBy(name_, WallTimeInSeconds() - start_time_);
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}
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private:
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const double start_time_;
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const string name_;
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ExecutionSummary* summary_;
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};
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} // namespace internal
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} // namespace ceres
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#endif // CERES_INTERNAL_EXECUTION_SUMMARY_H_
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