f1f07fe2a8
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1986 331e1502-861f-0410-8da2-ba01fb791d7f
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/*
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<moCudaVectorEval.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 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 moCudaVectorEval_H
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#define moCudavectorEval_H
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#include <eval/moCudaEval.h>
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#include <eval/moCudakernelEval.h>
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/**
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* class for the cuda evaluation
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*/
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template<class Neighbor, class IncrementEval>
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class moCudaVectorEval: public moCudaEval<Neighbor> {
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public:
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/**
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* Define type of a solution corresponding to Neighbor
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*/
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typedef typename Neighbor::EOT EOT;
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/**
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* Define type of a vector corresponding to Solution
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*/
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typedef typename EOT::ElemType T;
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/**
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* Define type of a fitness corresponding to Solution
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*/
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typedef typename EOT::Fitness Fitness;
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using moCudaEval<Neighbor>::neighborhoodSize;
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using moCudaEval<Neighbor>::host_FitnessArray;
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using moCudaEval<Neighbor>::device_FitnessArray;
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using moCudaEval<Neighbor>::device_solution;
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using moCudaEval<Neighbor>::kernel_Dim;
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/**
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* Constructor
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* @param _neighborhoodSize the size of the neighborhood
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* @param _incrEval the incremental evaluation
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*/
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moCudaVectorEval(unsigned _neighborhoodSize, IncrementEval & _incrEval) :
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moCudaEval<Neighbor> (_neighborhoodSize), incrEval(_incrEval) {
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}
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/**
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* Compute fitness for all solution neighbors in device
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* @param _sol the solution which generate the neighborhood
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*/
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virtual void neighborhoodEval(EOT & _sol) {
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// the solution vector size
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unsigned _size = _sol.size();
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// Get Current solution fitness
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Fitness fitness = _sol.fitness();
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//Allocate the space for solution in the global memory of device
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cudaMalloc((void**) &device_solution.vect, _size * sizeof(T));
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//Copy the solution vector from the host to device
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cudaMemcpy(device_solution.vect, _sol.vect, _size * sizeof(T),
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cudaMemcpyHostToDevice);
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//Launch the Kernel to compute all neighbors fitness
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kernelEval<EOT,Fitness,Neighbor,IncrementEval><<<kernel_Dim,BLOCK_SIZE >>>(incrEval,device_solution,device_FitnessArray,fitness,neighborhoodSize);
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//Copy the result from device to host
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cudaMemcpy(host_FitnessArray, device_FitnessArray, neighborhoodSize
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* sizeof(Fitness), cudaMemcpyDeviceToHost);
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}
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protected:
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IncrementEval & incrEval;
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};
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#endif
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