160 lines
5.1 KiB
C++
160 lines
5.1 KiB
C++
//-----------------------------------------------------------------------------
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// t-openmp.cpp
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//-----------------------------------------------------------------------------
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#include <fstream>
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#include <sstream>
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#include <climits>
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#include <utils/eoLogger.h>
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#include <utils/eoParserLogger.h>
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#include <eo>
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#include <es/make_real.h>
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#include <apply.h>
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#include <omp.h>
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#include "real_value.h"
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//-----------------------------------------------------------------------------
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typedef eoReal< eoMinimizingFitness > EOT;
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//-----------------------------------------------------------------------------
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int main(int ac, char** av)
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{
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eoParserLogger parser(ac, av);
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unsigned int popMin = parser.getORcreateParam((unsigned int)1, "popMin", "Population Min", 'p', "Evolution Engine").value();
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unsigned int popStep = parser.getORcreateParam((unsigned int)1, "popStep", "Population Step", 0, "Evolution Engine").value();
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unsigned int popMax = parser.getORcreateParam((unsigned int)100, "popMax", "Population Max", 'P', "Evolution Engine").value();
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unsigned int dimMin = parser.getORcreateParam((unsigned int)1, "dimMin", "Dimension Min", 'd', "Evolution Engine").value();
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unsigned int dimStep = parser.getORcreateParam((unsigned int)1, "dimStep", "Dimension Step", 0, "Evolution Engine").value();
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unsigned int dimMax = parser.getORcreateParam((unsigned int)100, "dimMax", "Dimension Max", 'D', "Evolution Engine").value();
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unsigned int nRun = parser.getORcreateParam((unsigned int)100, "nRun", "Number of runs", 'r', "Evolution Engine").value();
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std::string fileNamesPrefix = parser.getORcreateParam(std::string(""), "fileNamesPrefix", "Prefix of all results files name", 'H', "Results").value();
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std::string speedupFileName = parser.getORcreateParam(std::string("speedup"), "speedupFileName", "Speedup file name", 0, "Results").value();
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std::string efficiencyFileName = parser.getORcreateParam(std::string("efficiency"), "efficiencyFileName", "Efficiency file name", 0, "Results").value();
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std::string dynamicityFileName = parser.getORcreateParam(std::string("dynamicity"), "dynamicityFileName", "Dynamicity file name", 0, "Results").value();
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uint32_t seedParam = parser.getORcreateParam((uint32_t)0, "seed", "Random number seed", 0).value();
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if (seedParam == 0) { seedParam = time(0); }
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if (parser.userNeedsHelp())
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{
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parser.printHelp(std::cout);
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exit(1);
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}
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make_help(parser);
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make_verbose(parser);
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rng.reseed( seedParam );
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eoEvalFuncPtr< EOT, double, const std::vector< double >& > mainEval( real_value );
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eoEvalFuncCounter<EOT> eval( mainEval );
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eoUniformGenerator< double > gen(-5, 5);
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std::ostringstream params;
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params << "-pS" << popStep << "-p" << popMin << "-P" << popMax
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<< "-dS" << dimStep << "-d" << dimMin << "-D" << dimMax
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<< "-r" << nRun << "-s" << seedParam;
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std::ofstream speedupFile( std::string( fileNamesPrefix + speedupFileName + params.str() ).c_str() );
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std::ofstream efficiencyFile( std::string( fileNamesPrefix + efficiencyFileName + params.str() ).c_str() );
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std::ofstream dynamicityFile( std::string( fileNamesPrefix + dynamicityFileName + params.str() ).c_str() );
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size_t nbtask = 1;
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#pragma omp parallel
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{
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nbtask = omp_get_num_threads();
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}
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eo::log << eo::logging << "Nb task: " << nbtask << std::endl;
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for ( size_t p = popMin; p <= popMax; p += popStep )
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{
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for ( size_t d = dimMin; d <= dimMax; d += dimStep )
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{
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eo::log << eo::logging << p << 'x' << d << std::endl;
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for ( size_t r = 0; r < nRun; ++r )
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{
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eoInitFixedLength< EOT > init( d, gen );
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double Ts;
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double Tp;
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double Tpd;
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// sequential scope
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{
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eoPop< EOT > pop( p, init );
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double t1 = omp_get_wtime();
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apply< EOT >(eval, pop);
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double t2 = omp_get_wtime();
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Ts = t2 - t1;
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}
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// parallel scope
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{
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eoPop< EOT > pop( p, init );
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double t1 = omp_get_wtime();
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omp_apply< EOT >(eval, pop);
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double t2 = omp_get_wtime();
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Tp = t2 - t1;
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}
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// parallel scope dynamic
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{
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eoPop< EOT > pop( p, init );
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double t1 = omp_get_wtime();
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omp_dynamic_apply< EOT >(eval, pop);
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double t2 = omp_get_wtime();
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Tpd = t2 - t1;
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}
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double speedup = Ts / Tp;
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if ( speedup > nbtask ) { continue; }
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double efficiency = speedup / nbtask;
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speedupFile << speedup << ' ';
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efficiencyFile << efficiency << ' ';
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eo::log << eo::debug;
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eo::log << "Ts = " << Ts << std::endl;
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eo::log << "Tp = " << Tp << std::endl;
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eo::log << "S_p = " << speedup << std::endl;
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eo::log << "E_p = " << efficiency << std::endl;
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double dynamicity = Tp / Tpd;
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if ( dynamicity > nbtask ) { continue; }
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eo::log << "Tpd = " << Tpd << std::endl;
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eo::log << "D_p = " << dynamicity << std::endl;
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dynamicityFile << dynamicity << ' ';
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} // end of runs
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speedupFile << std::endl;
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efficiencyFile << std::endl;
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dynamicityFile << std::endl;
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} // end of dimension
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} // end of population
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return 0;
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}
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//-----------------------------------------------------------------------------
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