5859f77d9f
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@890 331e1502-861f-0410-8da2-ba01fb791d7f
125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
#include <peo>
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#include <es.h>
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#include <peoPop.h>
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typedef eoRealParticle < double >Indi;
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double f (const Indi & _indi)
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{
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double sum;
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sum=_indi[1]-pow(_indi[0],2);
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sum=100*pow(sum,2);
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sum+=pow((1-_indi[0]),2);
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return (-sum);
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}
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int main( int __argc, char** __argv )
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{
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peo :: init( __argc, __argv );
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const unsigned int VEC_SIZE = 2;
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const unsigned int POP_SIZE = 20;
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const unsigned int NEIGHBORHOOD_SIZE= 6;
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const unsigned int MAX_GEN = 100;
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const double INIT_POSITION_MIN = -2.0;
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const double INIT_POSITION_MAX = 2.0;
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const double INIT_VELOCITY_MIN = -1.;
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const double INIT_VELOCITY_MAX = 1.;
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const unsigned int MIG_FREQ = 10;
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const double omega = 1;
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const double C1 = 0.5;
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const double C2 = 2.;
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rng.reseed (time(0));
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// Island model
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RingTopology topologyMig;
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// First
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eoGenContinue < Indi > genContPara (MAX_GEN);
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eoCombinedContinue <Indi> continuatorPara (genContPara);
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eoCheckPoint<Indi> checkpoint(continuatorPara);
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peoEvalFunc<Indi, double, const Indi& > plainEval(f);
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peoPopEval< Indi > eval(plainEval);
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eoUniformGenerator < double >uGen (INIT_POSITION_MIN, INIT_POSITION_MAX);
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eoInitFixedLength < Indi > random (VEC_SIZE, uGen);
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eoUniformGenerator < double >sGen (INIT_VELOCITY_MIN, INIT_VELOCITY_MAX);
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eoVelocityInitFixedLength < Indi > veloRandom (VEC_SIZE, sGen);
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eoFirstIsBestInit < Indi > localInit;
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eoRealVectorBounds bndsFlight(VEC_SIZE,INIT_POSITION_MIN,INIT_POSITION_MAX);
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eoStandardFlight < Indi > flight(bndsFlight);
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peoPop < Indi > pop;
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pop.append (POP_SIZE, random);
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eoLinearTopology<Indi> topology(NEIGHBORHOOD_SIZE);
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eoRealVectorBounds bnds(VEC_SIZE,INIT_VELOCITY_MIN,INIT_VELOCITY_MAX);
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eoStandardVelocity < Indi > velocity (topology,omega,C1,C2,bnds);
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eoInitializer <Indi> init(eval,veloRandom,localInit,topology,pop);
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// Island model
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eoPeriodicContinue< Indi > mig_cont( MIG_FREQ );
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peoPSOSelect<Indi> mig_selec(topology);
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eoSelectNumber< Indi > mig_select(mig_selec);
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peoWorstPositionReplacement<Indi> mig_replace;
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// Second
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eoGenContinue < Indi > genContPara2 (MAX_GEN);
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eoCombinedContinue <Indi> continuatorPara2 (genContPara2);
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eoCheckPoint<Indi> checkpoint2(continuatorPara2);
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peoEvalFunc<Indi, double, const Indi& > plainEval2(f);
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peoPopEval< Indi > eval2(plainEval2);
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eoUniformGenerator < double >uGen2 (INIT_POSITION_MIN, INIT_POSITION_MAX);
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eoInitFixedLength < Indi > random2 (VEC_SIZE, uGen2);
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eoUniformGenerator < double >sGen2 (INIT_VELOCITY_MIN, INIT_VELOCITY_MAX);
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eoVelocityInitFixedLength < Indi > veloRandom2 (VEC_SIZE, sGen2);
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eoFirstIsBestInit < Indi > localInit2;
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eoRealVectorBounds bndsFlight2(VEC_SIZE,INIT_POSITION_MIN,INIT_POSITION_MAX);
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eoStandardFlight < Indi > flight2(bndsFlight2);
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peoPop < Indi > pop2;
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pop2.append (POP_SIZE, random2);
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eoLinearTopology<Indi> topology2(NEIGHBORHOOD_SIZE);
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eoRealVectorBounds bnds2(VEC_SIZE,INIT_VELOCITY_MIN,INIT_VELOCITY_MAX);
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eoStandardVelocity < Indi > velocity2 (topology2,omega,C1,C2,bnds2);
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eoInitializer <Indi> init2(eval2,veloRandom2,localInit2,topology2,pop2);
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// Island model
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eoPeriodicContinue< Indi > mig_cont2( MIG_FREQ );
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peoPSOSelect<Indi> mig_selec2(topology2);
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eoSelectNumber< Indi > mig_select2(mig_selec2);
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peoWorstPositionReplacement<Indi> mig_replace2;
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// Island model
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peoAsyncIslandMig< Indi, peoPop<Indi> > mig(mig_select, mig_replace, topologyMig, pop, pop);
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checkpoint.add( mig );
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peoAsyncIslandMig< Indi, peoPop<Indi> > mig2(mig_select2, mig_replace2, topologyMig, pop2, pop2);
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checkpoint2.add( mig2 );
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// Parallel algorithm
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eoSyncEasyPSO <Indi> psa(init,checkpoint,eval, velocity, flight);
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peoWrapper parallelPSO( psa, pop);
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eval.setOwner(parallelPSO);
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mig.setOwner(parallelPSO);
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eoSyncEasyPSO <Indi> psa2(init2,checkpoint2,eval2, velocity2, flight2);
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peoWrapper parallelPSO2( psa2, pop2);
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eval2.setOwner(parallelPSO2);
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mig2.setOwner(parallelPSO2);
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peo :: run();
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peo :: finalize();
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if (getNodeRank()==1)
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{
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std::cout << "Final population :\n" << pop << std::endl;
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std::cout << "Final population :\n" << pop2 << std::endl;
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}
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}
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