diff --git a/ParadisEO-GPU/src/neighborhood/moCudaKflipNeighborhood.h b/ParadisEO-GPU/src/neighborhood/moCudaKflipNeighborhood.h new file mode 100644 index 000000000..e12085ccb --- /dev/null +++ b/ParadisEO-GPU/src/neighborhood/moCudaKflipNeighborhood.h @@ -0,0 +1,119 @@ +/* + + Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010 + + Boufaras Karima, Thé Van Luong + + This software is governed by the CeCILL license under French law and + abiding by the rules of distribution of free software. You can ue, + modify and/ or redistribute the software under the terms of the CeCILL + license as circulated by CEA, CNRS and INRIA at the following URL + "http://www.cecill.info". + + In this respect, the user's attention is drawn to the risks associated + with loading, using, modifying and/or developing or reproducing the + software by the user in light of its specific status of free software, + that may mean that it is complicated to manipulate, and that also + therefore means that it is reserved for developers and experienced + professionals having in-depth computer knowledge. Users are therefore + encouraged to load and test the software's suitability as regards their + requirements in conditions enabling the security of their systems and/or + data to be ensured and, more generally, to use and operate it in the + same conditions as regards security. + The fact that you are presently reading this means that you have had + knowledge of the CeCILL license and that you accept its terms. + + ParadisEO WebSite : http://paradiseo.gforge.inria.fr + Contact: paradiseo-help@lists.gforge.inria.fr + */ + +#ifndef _moCudaKswapNeighborhood_h +#define _moCudaKswapNeighborhood_h + +#include +#include + +/** + * K-flip Neighborhood + */ +template +class moCudaKflipNeighborhood: public moKswapNeighborhood { + +public: + + /** + * Define a Neighbor and type of a solution corresponding + */ + + typedef N Neighbor; + typedef typename Neighbor::EOT EOT; + + using moKswapNeighborhood::neighborhoodSize; + using moKswapNeighborhood::currentIndex; + using moKswapNeighborhood::indices; + using moKswapNeighborhood::mapping; + using moKswapNeighborhood::Kswap; + using moKswapNeighborhood::size; + using moKswapNeighborhood::mutex; + + /** + * Constructor + * @param _size the size of solution + * @param _size the solution size + * @param _Kflip the number of bit to flip + * @param _eval show how to evaluate neighborhood of a solution at one time + */ + + moCudaKflipNeighborhood(unsigned int _size, unsigned int _Kflip, + moCudaEval& _eval) : + moKswapNeighborhood (_size, _Kflip), eval(_eval) { + sendMapping = true; + cudaMalloc((void**) &device_Mapping, sizeof(unsigned int) + * neighborhoodSize * (_Kflip + 1)); + } + ; + + /** + *Destructor + */ + + ~moCudaKflipNeighborhood() { + + cudaFree(device_Mapping); + } + + /** + * Initialization of the neighborhood + * @param _solution the solution to explore + * @param _current the first neighbor + */ + + virtual void init(EOT& _solution, Neighbor& _current) { + + moKswapNeighborhood::init(_solution, _current); + if (sendMapping) { + cudaMemcpy(device_Mapping, mapping, (Kswap + 1) * neighborhoodSize + * sizeof(unsigned int), cudaMemcpyHostToDevice); + sendMapping = false; + } + //Compute all neighbors fitness at one time + eval.neighborhoodKflipEval(_solution, device_Mapping, Kswap); + } + + /** + * Return the class Name + * @return the class name as a std::string + */ + virtual std::string className() const { + return "moCudaKSwapNeighborhood"; + } + +protected: + + moCudaEval& eval; + bool sendMapping; + unsigned int * device_Mapping; + +}; + +#endif