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# peoParaSGATransform.h

    00001 /*
    00002 * <peoParaSGATransform.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 __peoParaSGATransform_h
    00038 #define __peoParaSGATransform_h
    00039
    00040 #include "peoTransform.h"
    00041 #include "core/thread.h"
    00042 #include "core/messaging.h"
    00043 #include "core/peo_debug.h"
    00044
    00045
    00046 extern int getNodeRank();
    00047
    00048
    00049 template< class EOT > class peoParaSGATransform : public peoTransform< EOT > {
    00050
    00051 public:
    00052
    00053         using peoTransform< EOT > :: requestResourceRequest;
    00054         using peoTransform< EOT > :: resume;
    00055         using peoTransform< EOT > :: stop;
    00056         using peoTransform< EOT > :: getOwner;
    00057
    00058         peoParaSGATransform(
    00059
    00060                                 eoQuadOp< EOT >& __cross,
    00061                                 double __cross_rate,
    00062                                 eoMonOp< EOT >& __mut,
    00063                                 double __mut_rate
    00064         );
    00065
    00066         void operator()( eoPop< EOT >& __pop );
    00067
    00068         void packData();
    00069
    00070         void unpackData();
    00071
    00072         void execute();
    00073
    00074         void packResult();
    00075
    00076         void unpackResult();
    00077
    00078         void notifySendingData();
    00079         void notifySendingAllResourceRequests();
    00080
    00081 private:
    00082
    00083     eoQuadOp< EOT >& cross;
    00084     double cross_rate;
    00085
    00086     eoMonOp< EOT >& mut;
    00087     double mut_rate;
    00088
    00089     unsigned idx;
    00090
    00091     eoPop< EOT >* pop;
    00092
    00093     EOT father, mother;
    00094
    00095     unsigned num_term;
    00096 };
    00097
    00098 template< class EOT > peoParaSGATransform< EOT > :: peoParaSGATransform(
    00099
    00100                                 eoQuadOp< EOT >& __cross,
    00101                                 double __cross_rate,
    00102                                 eoMonOp < EOT >& __mut,
    00103                                 double __mut_rate
    00104
    00105                 ) : cross( __cross ), cross_rate( __cross_rate ), mut( __mut ), mut_rate( __mut_rate )
    00106 {
    00107
    00108 }
    00109
    00110
    00111 template< class EOT > void peoParaSGATransform< EOT > :: packData() {
    00112
    00113         pack( idx );
    00114          :: pack( pop->operator[]( idx++ ) );
    00115          :: pack( pop->operator[]( idx++ ) );
    00116 }
    00117
    00118
    00119 template< class EOT > void peoParaSGATransform< EOT > :: unpackData() {
    00120
    00121         unpack( idx );
    00122          :: unpack( father );
    00123          :: unpack( mother );
    00124 }
    00125
    00126
    00127 template< class EOT > void peoParaSGATransform< EOT > :: execute() {
    00128
    00129         if( rng.uniform() < cross_rate ) cross( mother, father );
    00130
    00131         if( rng.uniform() < mut_rate ) mut( mother );
    00132         if( rng.uniform() < mut_rate ) mut( father );
    00133 }
    00134
    00135
    00136 template< class EOT > void peoParaSGATransform< EOT > :: packResult() {
    00137
    00138         pack( idx );
    00139          :: pack( father );
    00140          :: pack( mother );
    00141 }
    00142
    00143
    00144 template< class EOT > void peoParaSGATransform< EOT > :: unpackResult() {
    00145
    00146         unsigned sidx;
    00147
    00148         unpack( sidx );
    00149          :: unpack( pop->operator[]( sidx++ ) );
    00150          :: unpack( pop->operator[]( sidx ) );
    00151         num_term += 2;
    00152
    00153         if( num_term == pop->size() ) {
    00154
    00155                 getOwner()->setActive();
    00156                 resume();
    00157         }
    00158 }
    00159
    00160
    00161 template< class EOT > void peoParaSGATransform< EOT > :: operator()( eoPop < EOT >& __pop ) {
    00162
    00163         printDebugMessage( "performing the parallel transformation step." );
    00164         pop = &__pop;
    00165         idx = 0;
    00166         num_term = 0;
    00167         requestResourceRequest( __pop.size() / 2 );
    00168         stop();
    00169 }
    00170
    00171
    00172 template< class EOT > void peoParaSGATransform< EOT > :: notifySendingData() {
    00173
    00174 }
    00175
    00176
    00177 template< class EOT > void peoParaSGATransform< EOT > :: notifySendingAllResourceRequests() {
    00178
    00179         getOwner()->setPassive();
    00180 }
    00181
    00182
    00183 #endif