From 3a4e64e6e936cd335c9fe23e6c86d335eefea284 Mon Sep 17 00:00:00 2001 From: boufaras Date: Wed, 25 May 2011 21:48:14 +0000 Subject: [PATCH] class to declare customized neighbor & neighborhoof for customized data type git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2266 331e1502-861f-0410-8da2-ba01fb791d7f --- .../neighborhood/moGPUCustomizeNeighbor.h | 103 +++++++++++++++ .../neighborhood/moGPUCustomizeNeighborhood.h | 122 ++++++++++++++++++ 2 files changed, 225 insertions(+) create mode 100644 branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighbor.h create mode 100644 branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighborhood.h diff --git a/branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighbor.h b/branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighbor.h new file mode 100644 index 000000000..39f229e73 --- /dev/null +++ b/branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighbor.h @@ -0,0 +1,103 @@ +/* + + Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010 + + Jerémie Humeau, 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 use, + 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". + + As a counterpart to the access to the source code and rights to copy, + modify and redistribute granted by the license, users are provided only + with a limited warranty and the software's author, the holder of the + economic rights, and the successive licensors have only limited liability. + + 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 _moCudaTypeNeighbor_h +#define _moCudaTypeNeighbor_h + +#include +#include + +/** + * Neighbor related to a solution vector of EOT (type) + */ + +template +class moCudaTypeNeighbor: public moBackableNeighbor , + public moIndexSwapNeighbor { +public: + + using moIndexSwapNeighbor::indices; + using moIndexSwapNeighbor::Kswap; + using moIndexSwapNeighbor::size; + + /** + *Default Constructor + */ + + moCudaTypeNeighbor() : + moIndexSwapNeighbor () { + } + + /** + * Constructor + * @param _Kpos the number of bit to flip + */ + + moCudaTypeNeighbor(unsigned int _Kpos) : + moIndexSwapNeighbor (_Kpos) { + } + + /** + * move the solution + * @param _solution the solution to move + */ + + virtual void move(EOT & _solution) { + int tmp; + tmp = _solution[0].tab1[indices[0]]; + _solution[0].tab1[indices[0]] = _solution[0].tab1[indices[1]]; + _solution[0].tab1[indices[1]] = tmp; + _solution.invalidate(); + } + + /** + * apply the poveBack to restore the solution (use by moFullEvalByModif) + * @param _solution the solution to move back + */ + + virtual void moveBack(EOT& _solution) { + move(_solution); + } + + /** + * Return the class name. + * @return the class name as a std::string + */ + virtual std::string className() const { + return "moCudaTypeNeighbor"; + } + +}; + +#endif diff --git a/branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighborhood.h b/branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighborhood.h new file mode 100644 index 000000000..66f2c758c --- /dev/null +++ b/branches/ParadisEO-GPU/src/problems/neighborhood/moGPUCustomizeNeighborhood.h @@ -0,0 +1,122 @@ +/* + + 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 moCudaTypeNeighborhood: public moKswapNeighborhood { + + public: + + /** + * Define a type of a solution corresponding to 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 solution size + * @param _Kpos the number of element to change in solution + * @param _eval show how to evaluate neighborhood of a solution at one time + */ + + moCudaTypeNeighborhood(unsigned int _size,unsigned int Kpos,moCudaEval& _eval) : + moKswapNeighborhood (_size, Kpos), eval(_eval) { + sendMapping = true; + cudaMalloc((void**) &device_Mapping, sizeof(unsigned int) + * neighborhoodSize * (Kswap + 1)); + } + ; + + /** + *Destructor + */ + + ~moCudaTypeNeighborhood() { + + 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; + } + int fitness=_solution.fitness(); + //Compute all neighbors fitness at one time + eval.neighborhoodEval1(_solution, device_Mapping); + } + + virtual void next(EOT& _solution, Neighbor& _current) { + + moKswapNeighborhood::next(_solution, _current); + } + + /** + * Return the class Name + * @return the class name as a std::string + */ + virtual std::string className() const { + return "moCudaTypeNeighborhood"; + } + + protected: + + moCudaEval& eval; + bool sendMapping; + unsigned int * device_Mapping; + +}; + +#endif