paradiseo/ParadisEO-GPU/tutoriel/QAP/testSimpleHC.cu

//Init the number of threads per block
#define BLOCK_SIZE 64
#include <iostream>
#include <stdlib.h>
#include <stdio.h>
using namespace std;

__device__ int * dev_a;
__device__ int * dev_b;

// The general include for eo
#include <eo>
#include <ga.h>
// Fitness function
#include <problems/eval/QAPEval.h>
// Cuda Fitness function
#include <eval/moCudaKswapEval.h>
#include <problems/eval/QAPIncrEval.h>
//Specific data to QAP problem
#include <problems/data/QAPData.h>
// QAP solution
#include <cudaType/moCudaIntVector.h>
// One Max neighbor
#include <neighborhood/moKswapNeighbor.h>
//To compute execution time
#include <performance/moCudaTimer.h>
// One Max ordered neighborhood
#include <neighborhood/moCudaKswapNeighborhood.h>
// The Solution and neighbor comparator
#include <comparator/moNeighborComparator.h>
#include <comparator/moSolNeighborComparator.h>
// The continuator
#include <continuator/moTrueContinuator.h>
// Local search algorithm
#include <algo/moLocalSearch.h>
// Simple HC algorithm
#include <algo/moSimpleHC.h>
// The simple HC algorithm explorer
#include <explorer/moSimpleHCexplorer.h>
#include <time.h>


typedef moCudaIntVector<eoMinimizingFitness> solution;
typedef moKswapNeighbor<solution> Neighbor;
typedef moCudaKswapNeighborhood<Neighbor> Neighborhood;


int main(int argc, char **argv)
{

 /* =========================================================
   *
   * Parameters
   *
   * ========================================================= */

  // First define a parser from the command-line arguments
  eoParser parser(argc, argv);
  if (argc < 2){
    printf("Saisissez le nom de fichier dat à manipuler \n");
    exit(1);
  }
  // For each parameter, define Parameter, read it through the parser,
  // and assign the value to the variable

  // seed
  eoValueParam<uint32_t> seedParam(time(0), "seed", "Random number seed", 'S');
  parser.processParam( seedParam );
  unsigned seed = seedParam.value();

  // description of genotype
  eoValueParam<unsigned int> vecSizeParam(6, "vecSize", "Genotype size", 'V');
  parser.processParam( vecSizeParam, "Representation" );
  unsigned vecSize = vecSizeParam.value();

// Swap number
  eoValueParam<unsigned int> KSwapParam(0, "KSwap", "swap number", 'N');
  parser.processParam(KSwapParam, "KSwap" );
  unsigned KSwap = KSwapParam.value();

  // the name of the "status" file where all actual parameter values will be saved
  string str_status = parser.ProgramName() + ".status"; // default value
  eoValueParam<string> statusParam(str_status.c_str(), "status", "Status file");
  parser.processParam( statusParam, "Persistence" );

  // do the following AFTER ALL PARAMETERS HAVE BEEN PROCESSED
  // i.e. in case you need parameters somewhere else, postpone these
  if (parser.userNeedsHelp()) {
    parser.printHelp(cout);
    exit(1);
  }
  if (statusParam.value() != "") {
    ofstream os(statusParam.value().c_str());
    os << parser;// and you can use that file as parameter file
  }
  /* =========================================================
   *
   * Random seed
   *
   * ========================================================= */

  //reproducible random seed: if you don't change SEED above,
  // you'll aways get the same result, NOT a random run
  rng.reseed(seed);
  srand(time(NULL));
  
  /* =========================================================
   *
   * Initilisation of QAP data
   *
   * ========================================================= */

   QAPData<int> _data(argv[1]);
   vecSize=_data.sizeData;
  /* =========================================================
   *
   * Initilisation of the solution
   *
   * ========================================================= */
 
  solution sol(vecSize);

   /*for (int i=0;i<vecSize;i++)
	std::cout << sol[i] << " " ;
   std::cout<< std::endl;*/
  _data.cudaObject.memCopyGlobalVariable(dev_a,_data.a_d);
  _data.cudaObject.memCopyGlobalVariable(dev_b,_data.b_d);
  
 /* =========================================================
   *
   * Evaluation of a solution neighbor's
   *
   * ========================================================= */
  QAPEval<solution> eval(_data);
  unsigned long int sizeMap=sizeMapping(vecSize,KSwap);
  std::cout<<"sizeMap : "<<sizeMap<<std::endl;
  QAPIncrEval<Neighbor> incr_eval;
  moCudaKswapEval<Neighbor,QAPIncrEval<Neighbor> > cueval(sizeMap,incr_eval);
  
  /* =========================================================
   *
   * Comparator of solutions and neighbors
   *
   * ========================================================= */

  moNeighborComparator<Neighbor> comparator;
  moSolNeighborComparator<Neighbor> solComparator;

  /* =========================================================
   *
   * a solution neighborhood
   *
   * ========================================================= */

  Neighborhood neighborhood(vecSize,KSwap,cueval);

  /* =========================================================
   *
   * An explorer of solution neighborhood's
   *
   * ========================================================= */

  moSimpleHCexplorer<Neighbor> explorer(neighborhood, cueval,
					comparator, solComparator);

  /* =========================================================
   *
   * The local search algorithm
   *
   * ========================================================= */
  //True continuator <=> Always continue

  moTrueContinuator<Neighbor> continuator;

  moLocalSearch<Neighbor> localSearch(explorer,continuator, eval);

  /* =========================================================
   *
   * The simple Hill Climbing algorithm
   *
   * ========================================================= */

  moSimpleHC<Neighbor> simpleHC(neighborhood,eval,cueval);

  /* =========================================================
   *
   * Execute the local search from random sollution
   *
   * ========================================================= */
 
  //Can be eval here, else it will be done at the beginning of the localSearch
  eval(sol);

  std::cout << "initial: " << sol.fitness()<< std::endl;
  // Create timer for timing CUDA calculation
  moCudaTimer timer;
  timer.start();
  localSearch(sol);
  std::cout << "final:   " << sol.fitness() << std::endl;
  timer.stop();
  printf("CUDA execution time = %f ms\n",timer.getTime());
  timer.deleteTimer();
 /* simpleHC(sol);
  std::cout << "final:   " << sol.fitness() << std::endl;*/

 _data.cudaObject.free(dev_a);
 _data.cudaObject.free(dev_b);

return 0;
}