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/*
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<QAPIncrEval.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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<QAPIncrEval.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Karima Boufaras, Thé Van LUONG
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Karima Boufaras, Thé Van LUONG
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This software is governed by the CeCILL license under French law and
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abiding by the rules of distribution of free software. You can use,
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modify and/ or redistribute the software under the terms of the CeCILL
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license as circulated by CEA, CNRS and INRIA at the following URL
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"http://www.cecill.info".
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This software is governed by the CeCILL license under French law and
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abiding by the rules of distribution of free software. You can use,
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modify and/ or redistribute the software under the terms of the CeCILL
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license as circulated by CEA, CNRS and INRIA at the following URL
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"http://www.cecill.info".
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As a counterpart to the access to the source code and rights to copy,
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modify and redistribute granted by the license, users are provided only
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with a limited warranty and the software's author, the holder of the
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economic rights, and the successive licensors have only limited liability.
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As a counterpart to the access to the source code and rights to copy,
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modify and redistribute granted by the license, users are provided only
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with a limited warranty and the software's author, the holder of the
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economic rights, and the successive licensors have only limited liability.
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In this respect, the user's attention is drawn to the risks associated
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with loading, using, modifying and/or developing or reproducing the
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software by the user in light of its specific status of free software,
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that may mean that it is complicated to manipulate, and that also
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therefore means that it is reserved for developers and experienced
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professionals having in-depth computer knowledge. Users are therefore
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encouraged to load and test the software's suitability as regards their
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requirements in conditions enabling the security of their systems and/or
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data to be ensured and, more generally, to use and operate it in the
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same conditions as regards security.
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The fact that you are presently reading this means that you have had
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knowledge of the CeCILL license and that you accept its terms.
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In this respect, the user's attention is drawn to the risks associated
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with loading, using, modifying and/or developing or reproducing the
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software by the user in light of its specific status of free software,
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that may mean that it is complicated to manipulate, and that also
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therefore means that it is reserved for developers and experienced
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professionals having in-depth computer knowledge. Users are therefore
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encouraged to load and test the software's suitability as regards their
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requirements in conditions enabling the security of their systems and/or
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data to be ensured and, more generally, to use and operate it in the
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same conditions as regards security.
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The fact that you are presently reading this means that you have had
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knowledge of the CeCILL license and that you accept its terms.
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ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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Contact: paradiseo-help@lists.gforge.inria.fr
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*/
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ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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Contact: paradiseo-help@lists.gforge.inria.fr
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*/
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#ifndef __QAPIncrEval_H
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#define __QAPIncrEval_H
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template<class Neighbor>
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class QAPIncrEval: public moCudaEvalFunc<Neighbor> {
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public:
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public:
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typedef typename Neighbor::EOT EOT;
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typedef typename EOT::Fitness Fitness;
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typedef typename Neighbor::EOT EOT;
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typedef typename EOT::Fitness Fitness;
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/**
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* Constructor
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*/
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/**
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* Constructor
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*/
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QAPIncrEval() {
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}
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QAPIncrEval() {
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}
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/**
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* Destructor
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*/
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/**
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* Destructor
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*/
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~QAPIncrEval() {
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}
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~QAPIncrEval() {
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}
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/*functor of incremental evaluation of the solution(function inline can be called from host or device)
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* @param _sol the solution to evaluate
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* @param _fitness the fitness of the current solution
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* @param _index the set of information to compute fitness neighbor
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*/
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/**
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* functor of incremental evaluation of the solution(function inline can be called from host or device)
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* @param _sol the solution to evaluate
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* @param _fitness the fitness of the current solution
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* @param _index the set of information to compute fitness neighbor
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*/
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inline __host__ __device__ Fitness operator() (EOT & _sol,Fitness _fitness, unsigned int *_index) {
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inline __host__ __device__ Fitness operator() (EOT & _sol,Fitness _fitness, unsigned int *_index) {
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Fitness tmp;
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Fitness tmp;
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/* dev_a & dev_b are global device variable, data specific to QAP problem (flow & distance matices)
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* _index[0] the first position of swap
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* _index[1] the second position of swap
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* _index[2] the solution size
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* _index[3] the id of neighbor
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*/
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/**
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* dev_a & dev_b are global device variable, data specific to QAP problem (flow & distance matices)
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* _index[0] the first position of swap
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* _index[1] the second position of swap
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* _index[2] the solution size
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* _index[3] the id of neighbor
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*/
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tmp=_fitness+compute_delta(dev_a,dev_b,_sol,_index[0],_index[1],_index[2],_index[3]);
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return tmp;
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tmp=_fitness+compute_delta(dev_a,dev_b,_sol,_index[0],_index[1],_index[2],_index[3]);
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return tmp;
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}
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}
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/* compute the new fitness of the solution after permutation of pair(i,j)(function inline called from host device)
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* @param _a the flow matrix of size*size (specific data of QAP problem must be declared as global device variable)
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* @param _b the distance matrix of size*size (specific data of QAP problem must be declared as global device variable)
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* @param _sol the solution to evaluate
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* @param _i the first position of swap
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* @param _j the second position of swap
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* @param _size the id of neighbor
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* @param _id the neighbor identifier
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*/
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/**
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* compute the new fitness of the solution after permutation of pair(i,j)(function inline called from host device)
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* @param _a the flow matrix of size*size (specific data of QAP problem must be declared as global device variable)
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* @param _b the distance matrix of size*size (specific data of QAP problem must be declared as global device variable)
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* @param _sol the solution to evaluate
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* @param _i the first position of swap
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* @param _j the second position of swap
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* @param _size the id of neighbor
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* @param _id the neighbor identifier
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*/
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inline __host__ __device__ int compute_delta(int * _a,int * _b,EOT & _sol, int _i, int _j,int _size, int _id){
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inline __host__ __device__ int compute_delta(int * _a,int * _b,EOT & _sol, int _i, int _j,int _size, int _id){
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int d;
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int k;
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int d;
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int k;
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d = (_a[_i*_size+_i]-_a[_j*_size+_j])*(_b[_sol[_j+_id*_size]*_size+_sol[_j+_id*_size]]-_b[_sol[_i+_id*_size]*_size+_sol[_i+_id*_size]]) +
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(_a[_i*_size+_j]-_a[_j*_size+_i])*(_b[_sol[_j+_id*_size]*_size+_sol[_i+_id*_size]]-_b[_sol[_i+_id*_size]*_size+_sol[_j+_id*_size]]);
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d = (_a[_i*_size+_i]-_a[_j*_size+_j])*(_b[_sol[_j+_id*_size]*_size+_sol[_j+_id*_size]]-_b[_sol[_i+_id*_size]*_size+_sol[_i+_id*_size]]) +
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(_a[_i*_size+_j]-_a[_j*_size+_i])*(_b[_sol[_j+_id*_size]*_size+_sol[_i+_id*_size]]-_b[_sol[_i+_id*_size]*_size+_sol[_j+_id*_size]]);
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for (k = 0; k < _size; k=k+1)
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if (k!=_i && k!=_j)
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for (k = 0; k < _size; k=k+1)
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if (k!=_i && k!=_j)
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d = d + (_a[k*_size+_i]-_a[k*_size+_j])*(_b[_sol[k+_id*_size]*_size+_sol[_j+_id*_size]]-_b[_sol[k+_id*_size]*_size+_sol[_i+_id*_size]]) +
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(_a[_i*_size+k]-_a[_j*_size+k])*(_b[_sol[_j+_id*_size]*_size+_sol[k+_id*_size]]-_b[_sol[_i+_id*_size]*_size+_sol[k+_id*_size]]);
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d = d + (_a[k*_size+_i]-_a[k*_size+_j])*(_b[_sol[k+_id*_size]*_size+_sol[_j+_id*_size]]-_b[_sol[k+_id*_size]*_size+_sol[_i+_id*_size]]) +
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(_a[_i*_size+k]-_a[_j*_size+k])*(_b[_sol[_j+_id*_size]*_size+_sol[k+_id*_size]]-_b[_sol[_i+_id*_size]*_size+_sol[k+_id*_size]]);
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return(d);
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}
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return(d);
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}
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};
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