aslTimer.h
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/*
* Advanced Simulation Library <http://asl.org.il>
*
* Copyright 2015 Avtech Scientific <http://avtechscientific.com>
*
*
* This file is part of Advanced Simulation Library (ASL).
*
* ASL is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3 of the License.
*
* ASL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with ASL. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ASLTIMER_H
#define ASLTIMER_H
#include <chrono>
#include <thread>
namespace asl{
using namespace std::chrono;
class Timer {
private:
high_resolution_clock::time_point realTimeMark;
duration<double> realTimeElapsed;
clock_t processorTimeMark;
double processorTimeElapsed;
public:
inline Timer() : processorTimeElapsed(0), realTimeElapsed(0) {};
inline void start() {processorTimeMark = clock(); realTimeMark = high_resolution_clock::now();}
inline void stop() {processorTimeElapsed += (double)(clock() - processorTimeMark); realTimeElapsed += duration_cast<duration<double>>(high_resolution_clock::now() - realTimeMark);}
inline const double realTime() const{return realTimeElapsed.count();}
inline const double processorTime() const{return (double)processorTimeElapsed/CLOCKS_PER_SEC;}
inline const double processorLoad() const{return processorTime()/realTime();}
inline void reset() {processorTimeElapsed = 0; realTimeElapsed = duration<double>(0);}
inline const double estimatedDuration(double completeness) {return realTimeElapsed.count()/completeness;}
inline const double estimatedRemainder(double completeness) {return (1. - completeness) * estimatedDuration(completeness);}
};
inline void sleep(unsigned int span)
{
std::this_thread::sleep_for(std::chrono::milliseconds(span));
}
} //namespace acl
#endif // ASLTIMER_H
asl::Timer::realTime
const double realTime() const
Definition: aslTimer.h:45
asl::Timer::stop
void stop()
Definition: aslTimer.h:44
asl::Timer::processorTime
const double processorTime() const
Definition: aslTimer.h:46
asl::Timer::estimatedDuration
const double estimatedDuration(double completeness)
Returns estimated duration of the current task based on its current completeness [0....
Definition: aslTimer.h:50
asl::Timer::Timer
Timer()
Definition: aslTimer.h:42
asl::Timer::start
void start()
Definition: aslTimer.h:43
asl::Timer::reset
void reset()
Definition: aslTimer.h:48
asl::Timer::processorLoad
const double processorLoad() const
Definition: aslTimer.h:47
asl::Timer::estimatedRemainder
const double estimatedRemainder(double completeness)
Returns estimated time till finishing current task based on its current completeness [0....
Definition: aslTimer.h:52
asl
Advanced Simulation Library.
Definition: aslDataInc.h:31
asl::sleep
void sleep(unsigned int span)
Blocks execution of the calling thread for the time span (in milliseconds)
Definition: aslTimer.h:56