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new option to dump FDTD simulation statistics

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Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
This commit is contained in:
Thorsten Liebig 2012-09-24 15:16:47 +02:00
parent ba474f6068
commit 2966ba2902
4 changed files with 44 additions and 1 deletions
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2
FDTD/openems_fdtd_mpi.cpp
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@ -517,5 +517,7 @@ void openEMS_FDTD_MPI::RunFDTD()
{
cout << "Time for " << FDTD_Eng->GetNumberOfTimesteps() << " iterations with " << FDTD_Op->GetNumberCells() << " cells : " << t_diff << " sec" << endl;
cout << "Speed: " << speed*(double)FDTD_Eng->GetNumberOfTimesteps()/t_diff << " MCells/s " << endl;
DumpStatistics("openEMS_stats.txt", t_diff);
}
}

3
main.cpp
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@ -84,7 +84,8 @@ int main(int argc, char *argv[])
cout << "\t\t--engine=multithreaded\t\tengine using compressed operator + sse vector extensions + multithreading" << endl;
#endif
cout << "\t--numThreads=<n>\tForce use n threads for multithreaded engine (needs: --engine=multithreaded)" << endl;
cout << "\t--no-simulation\tonly run preprocessing; do not simulate" << endl;
cout << "\t--no-simulation\t\tonly run preprocessing; do not simulate" << endl;
cout << "\t--dump-statistics\tdump simulation statistics to 'openEMS_stats.txt'" << endl;
cout << "\n\t Additional global arguments " << endl;
g_settings.ShowArguments(cout,"\t");
cout << endl;

33
openems.cpp
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@ -17,6 +17,8 @@
#include "openems.h"
#include <iomanip>
#include <iostream>
#include <fstream>
#include "tools/array_ops.h"
#include "tools/useful.h"
#include "FDTD/operator_cylinder.h"
@ -66,6 +68,7 @@ openEMS::openEMS()
DebugOp = false;
m_debugCSX = false;
m_debugBox = m_debugPEC = m_no_simulation = false;
m_DumpStats = false;
endCrit = 1e-6;
m_OverSampling = 4;
@ -182,6 +185,12 @@ bool openEMS::parseCommandLineArgument( const char *argv )
m_no_simulation = true;
return true;
}
else if (strcmp(argv,"--dump-statistics")==0)
{
cout << "openEMS - dump simulation statistics to 'openEMS_stats.txt'" << endl;
m_DumpStats = true;
return true;
}
return false;
}
@ -843,4 +852,28 @@ void openEMS::RunFDTD()
cout << "Time for " << FDTD_Eng->GetNumberOfTimesteps() << " iterations with " << FDTD_Op->GetNumberCells() << " cells : " << t_diff << " sec" << endl;
cout << "Speed: " << speed*(double)FDTD_Eng->GetNumberOfTimesteps()/t_diff << " MCells/s " << endl;
DumpStatistics("openEMS_stats.txt", t_diff);
}
bool openEMS::DumpStatistics(const string& filename, double time)
{
ofstream stat_file;
stat_file.open(filename.c_str());
if (!stat_file.is_open())
{
cerr << "openEMS::DumpStatistics: Error, opening file failed..." << endl;
return false;
}
stat_file << std::setprecision( 16 );
stat_file << FDTD_Op->GetNumberCells() << "\t% number of cells" << endl;
stat_file << FDTD_Op->GetTimestep() << "\t% timestep (s)" << endl;
stat_file << FDTD_Eng->GetNumberOfTimesteps() << "\t% number of iterations" << endl;
stat_file << FDTD_Eng->GetNumberOfTimesteps()*FDTD_Op->GetTimestep() << "\t% total numercial time (s)" << endl;
stat_file << time << "\t% simulation time (s)" << endl;
stat_file << (double)FDTD_Op->GetNumberCells()*(double)FDTD_Eng->GetNumberOfTimesteps()/time << "\t% speed (cells/s)" << endl;
stat_file.close();
return true;
}

7
openems.h
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@ -74,11 +74,15 @@ protected:
//! Number of Timesteps
unsigned int NrTS;
// some command line flags
bool Enable_Dumps;
bool DebugMat;
bool DebugOp;
bool m_debugCSX;
bool m_DumpStats;
bool m_debugBox, m_debugPEC, m_no_simulation;
double endCrit;
int m_OverSampling;
Operator* FDTD_Op;
@ -108,6 +112,9 @@ protected:
//! Setup all processings.
virtual bool SetupProcessing();
//! Dump statistics to file
virtual bool DumpStatistics(const string& filename, double time);
};
#endif // OPENEMS_H