peoParaPopEval.h

00001 /* 
00002 * <peoParaPopEval.h>
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 #ifndef __peoParaPopEval_h
00038 #define __peoParaPopEval_h
00039 
00040 #include <queue>
00041 #include <eoEvalFunc.h>
00042 
00043 #include "core/messaging.h"
00044 #include "core/peo_debug.h"
00045 #include "peoAggEvalFunc.h"
00046 #include "peoNoAggEvalFunc.h"
00047 
00048 
00050 
00054 template< class EOT > class peoParaPopEval : public peoPopEval< EOT > {
00055 
00056 public:
00057 
00058         using peoPopEval< EOT > :: requestResourceRequest;
00059         using peoPopEval< EOT > :: resume;
00060         using peoPopEval< EOT > :: stop;
00061         using peoPopEval< EOT > :: getOwner;
00062         
00067         peoParaPopEval( eoEvalFunc< EOT >& __eval_func );
00068 
00073         peoParaPopEval( const std :: vector< eoEvalFunc < EOT >* >& __funcs, peoAggEvalFunc< EOT >& __merge_eval );
00074 
00078         void operator()( eoPop< EOT >& __pop );
00079 
00082         void packData();
00083         
00086         void unpackData();
00087 
00089         void execute();
00090         
00093         void packResult();
00094         
00097         void unpackResult();
00098         
00101         void notifySendingData();
00102 
00105         void notifySendingAllResourceRequests();
00106 
00107 private:
00108 
00109 
00110         const std :: vector< eoEvalFunc < EOT >* >& funcs;
00111         std :: vector< eoEvalFunc < EOT >* > one_func;
00112         
00113         peoAggEvalFunc< EOT >& merge_eval;
00114         peoNoAggEvalFunc< EOT > no_merge_eval;
00115         
00116         std :: queue< EOT* >tasks;
00117         
00118         std :: map< EOT*, std :: pair< unsigned, unsigned > > progression;
00119         
00120         unsigned num_func;
00121         
00122         EOT sol;
00123         
00124         EOT *ad_sol;
00125         
00126         unsigned total;
00127 };
00128 
00129 
00130 template< class EOT > peoParaPopEval< EOT > :: peoParaPopEval( eoEvalFunc< EOT >& __eval_func ) : 
00131 
00132                 funcs( one_func ), merge_eval( no_merge_eval )
00133 {
00134 
00135         one_func.push_back( &__eval_func );
00136 }
00137 
00138 
00139 template< class EOT > peoParaPopEval< EOT > :: peoParaPopEval( 
00140 
00141                                 const std :: vector< eoEvalFunc< EOT >* >& __funcs,
00142                                 peoAggEvalFunc< EOT >& __merge_eval 
00143 
00144                 ) : funcs( __funcs ), merge_eval( __merge_eval )
00145 {
00146 
00147 }
00148 
00149 
00150 template< class EOT > void peoParaPopEval< EOT >::operator()( eoPop< EOT >& __pop ) {
00151 
00152         for ( unsigned i = 0; i < __pop.size(); i++ ) {
00153 
00154                 __pop[ i ].fitness( typename EOT :: Fitness() );
00155 
00156                 progression[ &__pop[ i ] ].first = funcs.size() - 1;
00157                 progression[ &__pop[ i ] ].second = funcs.size();
00158                 
00159                 for ( unsigned j = 0; j < funcs.size(); j++ ) {
00160                         /* Queuing the 'invalid' solution and its associated owner */
00161                         tasks.push( &__pop[ i ] );
00162                 }
00163         }
00164         
00165         total = funcs.size() * __pop.size();
00166         requestResourceRequest( funcs.size() * __pop.size() );
00167         stop();
00168 }
00169 
00170 
00171 template< class EOT > void peoParaPopEval< EOT > :: packData() {
00172 
00173         //  printDebugMessage ("debut pakc data");
00174         pack( progression[ tasks.front() ].first-- );
00175         
00176         /* Packing the contents :-) of the solution */
00177         pack( *tasks.front() );
00178         
00179         /* Packing the addresses of both the solution and the owner */
00180         pack( tasks.front() );
00181         tasks.pop(  );
00182 }
00183 
00184 
00185 template< class EOT > void peoParaPopEval< EOT > :: unpackData() {
00186 
00187         unpack( num_func );
00188         /* Unpacking the solution */
00189         unpack( sol );
00190         /* Unpacking the @ of that one */
00191         unpack( ad_sol );
00192 }
00193 
00194 
00195 template< class EOT > void peoParaPopEval< EOT > :: execute() {
00196 
00197         /* Computing the fitness of the solution */
00198         funcs[ num_func ]->operator()( sol );
00199 }
00200 
00201 
00202 template< class EOT > void peoParaPopEval< EOT > :: packResult() {
00203 
00204         /* Packing the fitness of the solution */
00205         pack( sol.fitness() );
00206         /* Packing the @ of the individual */
00207         pack( ad_sol );
00208 }
00209 
00210 
00211 template< class EOT > void peoParaPopEval< EOT > :: unpackResult() {
00212 
00213         typename EOT :: Fitness fit;
00214         
00215         /* Unpacking the computed fitness */
00216         unpack( fit );
00217                 
00218         /* Unpacking the @ of the associated individual */
00219         unpack( ad_sol );
00220         
00221         
00222         /* Associating the fitness the local solution */
00223         merge_eval( *ad_sol, fit );
00224 
00225         progression[ ad_sol ].second--;
00226 
00227         /* Notifying the container of the termination of the evaluation */
00228         if ( !progression[ ad_sol ].second ) {
00229 
00230                 progression.erase( ad_sol );
00231         }
00232         
00233         total--;
00234         if ( !total ) {
00235 
00236                 getOwner()->setActive();
00237                 resume();
00238         }
00239 }
00240 
00241 
00242 template< class EOT > void peoParaPopEval< EOT > :: notifySendingData() {
00243 
00244 }
00245 
00246 
00247 template< class EOT > void peoParaPopEval< EOT > :: notifySendingAllResourceRequests() {
00248 
00249         getOwner()->setPassive();
00250 }
00251 
00252 
00253 #endif

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