17f4caa24e
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2384 331e1502-861f-0410-8da2-ba01fb791d7f
110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
/*
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<moGPUMappingNeighborhood.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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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".
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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 __moGPUMappingNeighborhood_h
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#define __moGPUMappingNeighborhood_h
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#include <neighborhood/moMappingNeighborhood.h>
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#include <eval/moGPUEval.h>
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template<class N>
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class moGPUMappingNeighborhood: public moMappingNeighborhood<N> {
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public:
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/**
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* Define a Neighbor and type of a solution corresponding
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*/
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typedef N Neighbor;
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typedef typename Neighbor::EOT EOT;
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using moMappingNeighborhood<Neighbor>::neighborhoodSize;
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using moMappingNeighborhood<Neighbor>::currentIndex;
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using moMappingNeighborhood<Neighbor>::indices;
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using moMappingNeighborhood<Neighbor>::mapping;
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using moMappingNeighborhood<Neighbor>::xChange;
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using moMappingNeighborhood<Neighbor>::mutex;
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/**
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* Constructor
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* @param _neighborhoodSize the neighborhood size
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* @param _xChange the number of x-change positions
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*/
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moGPUMappingNeighborhood(unsigned int _neighborhoodSize,
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unsigned int _xChange) :
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moMappingNeighborhood<Neighbor> (_neighborhoodSize, _xChange) {
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sendMapping = false;
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cudaMalloc((void**) &device_Mapping, sizeof(unsigned int)
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* neighborhoodSize * _xChange);
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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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~moGPUMappingNeighborhood() {
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cudaFree(device_Mapping);
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}
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/**
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* Initialization of the neighborhood and mapping on device
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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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moMappingNeighborhood<Neighbor>::init(_solution, _current);
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if (!sendMapping) {
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cudaMemcpy(device_Mapping, mapping,xChange * neighborhoodSize
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* sizeof(unsigned int), cudaMemcpyHostToDevice);
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sendMapping = true;
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}
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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 "moGPUMappingNeighborhood";
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}
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protected:
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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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