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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include "itkTimeProbe.h"
#include "itkMath.h"
// Check the validation of resource probe's result
bool CheckTimeProbe(itk::TimeProbe& probe)
{
bool check = true;
// Check the numbers of iteration, starts, and stops
check &= (probe.GetNumberOfIteration() == probe.GetNumberOfStarts() );
check &= (probe.GetNumberOfIteration() == probe.GetNumberOfStops() );
check &= (probe.GetStandardDeviation() >= 0);
check &= (probe.GetMinimum() >= 0);
check &= (probe.GetMean() >= probe.GetMinimum());
check &= (probe.GetMaximum() >= probe.GetMean());
check &= (probe.GetTotal() >= probe.GetMaximum());
return check;
}
int itkTimeProbeTest2( int, char * [] )
{
// Create an ITK time probe
itk::TimeProbe localTimer;
// Set a name of probe
localTimer.SetNameOfProbe("Simple for-loop");
// Print the initial values
std::cout << "Testing itk::TimeProbe" << std::endl;
std::cout << "NameOfProbe: " << localTimer.GetNameOfProbe() << std::endl;
std::cout << "Type: " << localTimer.GetType() << std::endl;
std::cout << "Unit: " << localTimer.GetUnit() << std::endl;
std::cout << "NumberOfStarts: " << localTimer.GetNumberOfStarts() << std::endl;
std::cout << "NumberOfStops: " << localTimer.GetNumberOfStops() << std::endl;
std::cout << "Total: " << localTimer.GetTotal() << std::endl;
std::cout << "InstantValue: " << localTimer.GetInstantValue() << std::endl;
std::cout << "Minimum: " << localTimer.GetMinimum() << std::endl;
std::cout << "Mean: " << localTimer.GetMean() << std::endl;
std::cout << "Maximu: " << localTimer.GetMaximum() << std::endl;
std::cout << "Standard deviation:" << localTimer.GetStandardDeviation() << std::endl;
unsigned int iteration (100);
for(unsigned int it=0; it<iteration; ++it)
{
// time a task
localTimer.Start();
double sum = 0.0;
for( unsigned int i = 0; i < 1e6; ++i )
{
sum += i;
}
localTimer.Stop();
}
if(!CheckTimeProbe(localTimer))
{
std::cerr << "Validation of Probe failure" << std::endl;
return EXIT_FAILURE;
}
// Print current values
std::cout << "InstantValue: " << localTimer.GetInstantValue() << std::endl;
// Print a regualr report (including nameOfProbe, Iteration, Total, Min, Mean, Max, and STD)
std::cout << std::endl << "Print a normal report" << std::endl;
localTimer.Report();
// Print a expanded report (including nameOfProbe, Iteration, Total, Min, Mean-Min
// Mean/Min *100 (%), Mean, Max, Max- Mean, Max/Mean(%),
// Total Diff(:Max - Min) and STD)
std::cout << std::endl << "Print an expanded report" << std::endl;
localTimer.ExpandedReport();
std::cout << std::endl << "Print a JSON report" << std::endl;
localTimer.JSONReport();
// invoke reset
localTimer.Reset();
if( localTimer.GetNumberOfStarts() != 0 )
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
if( localTimer.GetNumberOfStops() != itk::NumericTraits< itk::TimeProbe::CountType >::ZeroValue() )
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
if( itk::Math::NotExactlyEquals(localTimer.GetTotal(), itk::NumericTraits< itk::TimeProbe::TimeStampType >::ZeroValue()) )
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
if( itk::Math::NotExactlyEquals(localTimer.GetMean(), itk::NumericTraits< itk::TimeProbe::TimeStampType >::ZeroValue()) )
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
/** Invoke GetRealTimeClock. */
itk::RealTimeStamp timeStamp = localTimer.GetRealTimeClock()->GetRealTimeStamp();
std::cout << std::endl << "Check RealTimeStamp" << std::endl;
std::cout << "day " << timeStamp.GetTimeInDays() << std::endl;
std::cout << "hour " << timeStamp.GetTimeInHours() << std::endl;
std::cout << "min " << timeStamp.GetTimeInMinutes() << std::endl;
std::cout << "sec " << timeStamp.GetTimeInSeconds() << std::endl;
std::cout << "msec " << timeStamp.GetTimeInMilliSeconds() << std::endl;
std::cout << "usec " << timeStamp.GetTimeInMicroSeconds() << std::endl;
std::cout << "[PASSED]" << std::endl;
return EXIT_SUCCESS;
}
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