class to declare customized neighbor & neighborhoof for customized data type
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/*
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<moCudaBitNeighbor.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Jerémie Humeau, Boufaras Karima, 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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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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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 _moCudaTypeNeighbor_h
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#define _moCudaTypeNeighbor_h
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#include <neighborhood/moBackableNeighbor.h>
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#include <neighborhood/moIndexSwapNeighbor.h>
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/**
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* Neighbor related to a solution vector of EOT (type)
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*/
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template<class EOT, class Fitness = typename EOT::Fitness>
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class moCudaTypeNeighbor: public moBackableNeighbor<EOT> ,
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public moIndexSwapNeighbor<EOT> {
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public:
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using moIndexSwapNeighbor<EOT>::indices;
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using moIndexSwapNeighbor<EOT>::Kswap;
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using moIndexSwapNeighbor<EOT>::size;
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/**
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*Default Constructor
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*/
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moCudaTypeNeighbor() :
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moIndexSwapNeighbor<EOT> () {
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}
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/**
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* Constructor
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* @param _Kpos the number of bit to flip
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*/
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moCudaTypeNeighbor(unsigned int _Kpos) :
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moIndexSwapNeighbor<EOT> (_Kpos) {
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}
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/**
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* move the solution
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* @param _solution the solution to move
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*/
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virtual void move(EOT & _solution) {
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int tmp;
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tmp = _solution[0].tab1[indices[0]];
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_solution[0].tab1[indices[0]] = _solution[0].tab1[indices[1]];
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_solution[0].tab1[indices[1]] = tmp;
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_solution.invalidate();
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}
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/**
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* apply the poveBack to restore the solution (use by moFullEvalByModif)
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* @param _solution the solution to move back
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*/
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virtual void moveBack(EOT& _solution) {
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move(_solution);
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}
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/**
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* Return the class name.
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* @return the class name as a std::string
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*/
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virtual std::string className() const {
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return "moCudaTypeNeighbor";
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}
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};
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#endif
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@ -0,0 +1,122 @@
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/*
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<moKswapNeighborhood.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Boufaras Karima, 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 ue,
|
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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".
|
||||
|
||||
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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#ifndef _moCudaKswapNeighborhood_h
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#define _moCudaKswapNeighborhood_h
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#include <neighborhood/moKswapNeighborhood.h>
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#include <eval/moCudaEval.h>
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/**
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* K-flip Neighborhood
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*/
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template<class Neighbor>
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class moCudaTypeNeighborhood: public moKswapNeighborhood<Neighbor> {
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public:
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/**
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* Define a type of a solution corresponding to Neighbor
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*/
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typedef typename Neighbor::EOT EOT;
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using moKswapNeighborhood<Neighbor>::neighborhoodSize;
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using moKswapNeighborhood<Neighbor>::currentIndex;
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using moKswapNeighborhood<Neighbor>::indices;
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using moKswapNeighborhood<Neighbor>::mapping;
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using moKswapNeighborhood<Neighbor>::Kswap;
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using moKswapNeighborhood<Neighbor>::size;
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using moKswapNeighborhood<Neighbor>::mutex;
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/**
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* Constructor
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* @param _size the solution size
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* @param _Kpos the number of element to change in solution
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* @param _eval show how to evaluate neighborhood of a solution at one time
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*/
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moCudaTypeNeighborhood(unsigned int _size,unsigned int Kpos,moCudaEval<Neighbor>& _eval) :
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moKswapNeighborhood<Neighbor> (_size, Kpos), eval(_eval) {
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sendMapping = true;
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cudaMalloc((void**) &device_Mapping, sizeof(unsigned int)
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* neighborhoodSize * (Kswap + 1));
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}
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;
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/**
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*Destructor
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*/
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~moCudaTypeNeighborhood() {
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cudaFree(device_Mapping);
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}
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/**
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* Initialization of the neighborhood
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* @param _solution the solution to explore
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* @param _current the first neighbor
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*/
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virtual void init(EOT& _solution, Neighbor& _current) {
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moKswapNeighborhood<Neighbor>::init(_solution, _current);
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if (sendMapping) {
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cudaMemcpy(device_Mapping, mapping, (Kswap + 1) * neighborhoodSize
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* sizeof(unsigned int), cudaMemcpyHostToDevice);
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sendMapping = false;
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}
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int fitness=_solution.fitness();
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//Compute all neighbors fitness at one time
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eval.neighborhoodEval1(_solution, device_Mapping);
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}
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virtual void next(EOT& _solution, Neighbor& _current) {
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moKswapNeighborhood<Neighbor>::next(_solution, _current);
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}
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/**
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* Return the class Name
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* @return the class name as a std::string
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*/
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virtual std::string className() const {
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return "moCudaTypeNeighborhood";
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}
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protected:
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moCudaEval<Neighbor>& eval;
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bool sendMapping;
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unsigned int * device_Mapping;
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};
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#endif
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