main.cpp

00001 /* 
00002 * <main.cpp>
00003 * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
00004 * (C) OPAC Team, LIFL, 2002-2007
00005 *
00006 * Sebastien Cahon, Alexandru-Adrian Tantar
00007 *
00008 * This software is governed by the CeCILL license under French law and
00009 * abiding by the rules of distribution of free software.  You can  use,
00010 * modify and/ or redistribute the software under the terms of the CeCILL
00011 * license as circulated by CEA, CNRS and INRIA at the following URL
00012 * "http://www.cecill.info".
00013 *
00014 * As a counterpart to the access to the source code and  rights to copy,
00015 * modify and redistribute granted by the license, users are provided only
00016 * with a limited warranty  and the software's author,  the holder of the
00017 * economic rights,  and the successive licensors  have only  limited liability.
00018 *
00019 * In this respect, the user's attention is drawn to the risks associated
00020 * with loading,  using,  modifying and/or developing or reproducing the
00021 * software by the user in light of its specific status of free software,
00022 * that may mean  that it is complicated to manipulate,  and  that  also
00023 * therefore means  that it is reserved for developers  and  experienced
00024 * professionals having in-depth computer knowledge. Users are therefore
00025 * encouraged to load and test the software's suitability as regards their
00026 * requirements in conditions enabling the security of their systems and/or
00027 * data to be ensured and,  more generally, to use and operate it in the
00028 * same conditions as regards security.
00029 * The fact that you are presently reading this means that you have had
00030 * knowledge of the CeCILL license and that you accept its terms.
00031 *
00032 * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
00033 * Contact: paradiseo-help@lists.gforge.inria.fr
00034 *
00035 */
00036 
00037 #include "route.h"
00038 #include "route_init.h"
00039 #include "route_eval.h"
00040 
00041 #include "order_xover.h"
00042 #include "city_swap.h"
00043 
00044 #include "param.h"
00045 
00046 #include "merge_route_eval.h"
00047 #include "part_route_eval.h"
00048 
00049 
00050 #include <peo>
00051 
00052 
00053 #define POP_SIZE 10
00054 #define NUM_GEN 100
00055 #define CROSS_RATE 1.0
00056 #define MUT_RATE 0.01
00057 
00058 #define NUM_PART_EVALS 2
00059 
00060 
00061 // by default, parallel evaluation of the population is performed;
00062 // for parallel fitness evaluation, uncomment the following line
00063 
00064 // #define PARALLEL_FIT_EVALUATION
00065 
00066 
00067 int main( int __argc, char** __argv ) {
00068 
00069         // initializing the ParadisEO-PEO environment
00070         peo :: init( __argc, __argv );
00071 
00072 
00073         // processing the command line specified parameters
00074         loadParameters( __argc, __argv );
00075 
00076 
00077         // init, eval operators, EA operators -------------------------------------------------------------------------------------------------------------
00078 
00079         RouteInit route_init;   // random init object - creates random Route objects
00080         RouteEval full_eval;    // evaluator object - offers a fitness value for a specified Route object
00081 
00082         OrderXover crossover;   // crossover operator - creates two offsprings out of two specified parents
00083         CitySwap mutation;      // mutation operator - randomly mutates one gene for a specified individual
00084         // ------------------------------------------------------------------------------------------------------------------------------------------------
00085 
00086 
00087         // evolutionary algorithm components --------------------------------------------------------------------------------------------------------------
00088 
00089         eoPop< Route > population( POP_SIZE, route_init );      // initial population for the algorithm having POP_SIZE individuals
00090 
00091 
00092         #ifdef PARALLEL_FIT_EVALUATION
00093 
00094                 MergeRouteEval merge_eval;
00095 
00096                 std :: vector< eoEvalFunc< Route >* > part_eval;
00097                 for ( unsigned index = 1; index <= NUM_PART_EVALS; index++ )
00098                         part_eval.push_back( new PartRouteEval( ( float )( index - 1 ) / NUM_PART_EVALS, ( float )index / NUM_PART_EVALS ) );
00099 
00100                 peoParaPopEval< Route > ox_pop_eval( part_eval, merge_eval );
00101 
00102         #else
00103 
00104                peoParaPopEval< Route > ox_pop_eval( full_eval );
00105 
00106         #endif
00107 
00108 
00109 
00110         peoParaPopEval< Route > eaPopEval( full_eval );         // evaluator object - to be applied at each iteration on the entire population
00111 
00112         eoGenContinue< Route > eaCont( NUM_GEN );               // continuation criterion - the algorithm will iterate for NUM_GEN generations
00113         eoCheckPoint< Route > eaCheckpointContinue( eaCont );   // checkpoint object - verify at each iteration if the continuation criterion is met
00114 
00115         eoRankingSelect< Route > selectionStrategy;             // selection strategy - applied at each iteration for selecting parent individuals
00116         eoSelectNumber< Route > eaSelect( selectionStrategy, POP_SIZE ); // selection object - POP_SIZE individuals are selected at each iteration
00117 
00118         // transform operator - includes the crossover and the mutation operators with a specified associated rate
00119         eoSGATransform< Route > transform( crossover, CROSS_RATE, mutation, MUT_RATE );
00120         peoSeqTransform< Route > eaTransform( transform );      // ParadisEO transform operator (please remark the peo prefix) - wraps an e EO transform object
00121 
00122         eoPlusReplacement< Route > eaReplace;                   // replacement strategy - for replacing the initial population with offspring individuals
00123         // ------------------------------------------------------------------------------------------------------------------------------------------------
00124 
00125 
00126         // ParadisEO-PEO evolutionary algorithm -----------------------------------------------------------------------------------------------------------
00127 
00128         peoEA< Route > eaAlg( eaCheckpointContinue, eaPopEval, eaSelect, eaTransform, eaReplace );
00129         
00130         eaAlg( population );    // specifying the initial population for the algorithm, to be iteratively evolved
00131         // ------------------------------------------------------------------------------------------------------------------------------------------------
00132 
00133 
00134         peo :: run( );
00135         peo :: finalize( );
00136         // shutting down the ParadisEO-PEO environment
00137 
00138         return 0;
00139 }

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