Beispiel #1
0
  /**
   * It launches the algorithm
   *
   * @param confFile String it is the filename of the configuration file.
   */
  public void execute(String confFile) {
    parameters = new parseParameters();
    parameters.parseConfigurationFile(confFile);

    Algorithm method = new Algorithm(parameters);

    method.execute();
  }
Beispiel #2
0
  public static void main(String[] args) throws JMException, ClassNotFoundException {
    Problem problem; // The problem to solve
    Algorithm algorithm; // The algorithm to use
    Operator crossover; // Crossover operator
    Operator mutation; // Mutation operator
    Operator selection; // Selection operator

    // int bits ; // Length of bit string in the OneMax problem

    // bits = 512 ;
    // problem = new OneMax(bits);

    problem = new Sphere("Real", 20);
    // problem = new Easom("Real") ;
    // problem = new Griewank("Real", 10) ;

    algorithm = new DE(problem); // Asynchronous cGA

    /* Algorithm parameters*/
    algorithm.setInputParameter("populationSize", 100);
    algorithm.setInputParameter("maxEvaluations", 1000000);

    // Crossover operator
    crossover = CrossoverFactory.getCrossoverOperator("DifferentialEvolutionCrossover");
    crossover.setParameter("CR", 0.1);
    crossover.setParameter("F", 0.5);
    crossover.setParameter("DE_VARIANT", "rand/1/bin");

    // Add the operators to the algorithm
    selection = SelectionFactory.getSelectionOperator("DifferentialEvolutionSelection");

    algorithm.addOperator("crossover", crossover);
    algorithm.addOperator("selection", selection);

    /* Execute the Algorithm */
    long initTime = System.currentTimeMillis();
    SolutionSet population = algorithm.execute();
    long estimatedTime = System.currentTimeMillis() - initTime;
    System.out.println("Total execution time: " + estimatedTime);

    /* Log messages */
    System.out.println("Objectives values have been writen to file FUN");
    population.printObjectivesToFile("FUN");
    System.out.println("Variables values have been writen to file VAR");
    population.printVariablesToFile("VAR");
  } // main
Beispiel #3
0
  /** @param args the command line arguments -- modelname, alg_name, evaluation_times, [runid] */
  public static void main(String[] args) throws Exception {

    try {
      String name = args[0];
      URL location = Main.class.getProtectionDomain().getCodeSource().getLocation();
      String loc = location.toString();
      String project_path =
          loc.substring(5, loc.lastIndexOf("SPL/")) + "SPL/"; // with '/' at the end
      String fm = project_path + "dimacs_data/" + name + ".dimacs";
      String augment = fm + ".augment";
      String dead = fm + ".dead";
      String mandatory = fm + ".mandatory";
      String seed = fm + ".richseed";
      String opfile = fm + ".sipop";

      Problem p = new ProductLineProblem(fm, augment, mandatory, dead, seed);
      //            Problem p = new ProductLineProblemNovelPrep(fm, augment, mandatory, dead, seed,
      // opfile);
      //            GroupedProblem.grouping((ProductLineProblem) p, 100); System.exit(0);
      Algorithm a;
      int evaluation_times = Integer.parseInt(args[2]);
      String alg_name = args[1];
      String runid = "";
      if (args.length >= 4) {
        runid = args[3];
      }

      switch (alg_name) {
        case "IBEA":
          a = new SPL_SettingsIBEA(p).configureICSE2013(evaluation_times);
          break;
        case "SIPIBEA":
          a = new SPL_SettingsIBEA(p).configureSIPIBEA(evaluation_times);
          break;
        case "SPEA2":
          a = new SPL_SettingsEMOs(p).configureSPEA2(evaluation_times);
          break;
        case "NSGA2":
          a = new SPL_SettingsEMOs(p).configureNSGA2(evaluation_times);
          break;
        case "IBEASEED":
          a = new SPL_SettingsIBEA(p).configureIBEASEED(evaluation_times);
          break;
        case "SATIBEA":
          // a = new SPL_SettingsIBEA(p).configureICSE15(1000, fm, ((ProductLineProblem)
          // p).getNumFeatures(),
          // ((ProductLineProblem) p).getConstraints());
          a =
              new SPL_SettingsIBEA(p)
                  .configureSATIBEA(
                      evaluation_times,
                      fm,
                      ((ProductLineProblem) p).getNumFeatures(),
                      ((ProductLineProblem) p).getConstraints());
          break;
        default:
          a = new SPL_SettingsIBEA(p).configureICSE2013(evaluation_times);
      }

      long start = System.currentTimeMillis();
      SolutionSet pop = a.execute();
      float total_time = (System.currentTimeMillis() - start) / 1000.0f;

      String file_tag =
          name + "_" + alg_name + '_' + evaluation_times / 1000 + "k_" + runid + ".txt";
      String file_path = project_path + "j_res/" + file_tag;
      File file = new File(file_path);

      if (!file.exists()) {
        file.createNewFile();
      }

      FileWriter fw = new FileWriter(file.getAbsoluteFile());
      BufferedWriter bw = new BufferedWriter(fw);

      for (int i = 0; i < pop.size(); i++) {
        Variable v = pop.get(i).getDecisionVariables()[0];
        bw.write((Binary) v + "\n");
        System.out.println("Conf" + (i + 1) + ": " + (Binary) v + " ");
      }

      bw.write("~~~\n");

      for (int i = 0; i < pop.size(); i++) {
        Variable v = pop.get(i).getDecisionVariables()[0];
        for (int j = 0; j < pop.get(i).getNumberOfObjectives(); j++) {
          bw.write(pop.get(i).getObjective(j) + " ");
          System.out.print(pop.get(i).getObjective(j) + " ");
        }
        bw.write("\n");
        System.out.println("");
      }

      System.out.println(total_time);
      bw.write("~~~\n" + total_time + "\n");

      bw.close();
      fw.close();

    } catch (Exception e) {
      e.printStackTrace();
    }
  }
Beispiel #4
0
  /**
   * @param args Command line arguments. The first (optional) argument specifies the problem to
   *     solve.
   * @throws JMException
   * @throws IOException
   * @throws SecurityException Usage: three options - jmetal.metaheuristics.mocell.MOCell_main -
   *     jmetal.metaheuristics.mocell.MOCell_main problemName -
   *     jmetal.metaheuristics.mocell.MOCell_main problemName ParetoFrontFile
   */
  public static void main(String[] args) throws JMException, IOException, ClassNotFoundException {
    Problem problem; // The problem to solve
    Algorithm algorithm; // The algorithm to use
    Operator mutation; // Mutation operator

    QualityIndicator indicators; // Object to get quality indicators

    // Logger object and file to store log messages
    logger_ = Configuration.logger_;
    fileHandler_ = new FileHandler("PAES_main.log");
    logger_.addHandler(fileHandler_);

    indicators = null;
    if (args.length == 1) {
      Object[] params = {"Real"};
      problem = (new ProblemFactory()).getProblem(args[0], params);
    } // if
    else if (args.length == 2) {
      Object[] params = {"Real"};
      problem = (new ProblemFactory()).getProblem(args[0], params);
      indicators = new QualityIndicator(problem, args[1]);
    } // if
    else { // Default problem
      problem = new Kursawe("ArrayReal", 3);
      // problem = new Fonseca("Real");
      // problem = new Kursawe("BinaryReal",3);
      // problem = new Water("Real");
      // problem = new ZDT4("Real", 1000);
      // problem = new WFG1("Real");
      // problem = new DTLZ1("Real");
      // problem = new OKA2("Real") ;
    } // else

    algorithm = new PAES(problem);

    // Algorithm parameters
    algorithm.setInputParameter("archiveSize", 100);
    algorithm.setInputParameter("biSections", 5);
    algorithm.setInputParameter("maxEvaluations", 25000);

    // Mutation (Real variables)
    mutation = MutationFactory.getMutationOperator("PolynomialMutation");
    mutation.setParameter("probability", 1.0 / problem.getNumberOfVariables());
    mutation.setParameter("distributionIndex", 20.0);

    // Mutation (BinaryReal variables)
    // mutation = MutationFactory.getMutationOperator("BitFlipMutation");
    // mutation.setParameter("probability",0.1);

    // Add the operators to the algorithm
    algorithm.addOperator("mutation", mutation);

    // Execute the Algorithm
    long initTime = System.currentTimeMillis();
    SolutionSet population = algorithm.execute();
    long estimatedTime = System.currentTimeMillis() - initTime;

    // Result messages
    // STEP 8. Print the results
    logger_.info("Total execution time: " + estimatedTime + "ms");
    logger_.info("Variables values have been writen to file VAR");
    population.printVariablesToFile("VAR");
    logger_.info("Objectives values have been writen to file FUN");
    population.printObjectivesToFile("FUN");

    if (indicators != null) {
      logger_.info("Quality indicators");
      logger_.info("Hypervolume: " + indicators.getHypervolume(population));
      logger_.info("GD         : " + indicators.getGD(population));
      logger_.info("IGD        : " + indicators.getIGD(population));
      logger_.info("Spread     : " + indicators.getSpread(population));
      logger_.info("Epsilon    : " + indicators.getEpsilon(population));
    } // if
  } // main
Beispiel #5
0
  /**
   * @param args Command line arguments.
   * @throws JMException
   * @throws IOException
   * @throws SecurityException Usage: three choices - jmetal.metaheuristics.nsgaII.NSGAII_main -
   *     jmetal.metaheuristics.nsgaII.NSGAII_main problemName -
   *     jmetal.metaheuristics.nsgaII.NSGAII_main problemName paretoFrontFile
   */
  public static void main(String[] args) throws JMException, IOException, ClassNotFoundException {
    Problem problem; // The problem to solve
    Algorithm algorithm; // The algorithm to use
    Operator crossover; // Crossover operator
    Operator mutation; // Mutation operator
    Operator selection; // Selection operator

    QualityIndicator indicators; // Object to get quality indicators

    // Logger object and file to store log messages
    logger_ = Configuration.logger_;
    fileHandler_ = new FileHandler("IBEA.log");
    logger_.addHandler(fileHandler_);

    indicators = null;
    if (args.length == 1) {
      Object[] params = {"Real"};
      problem = (new ProblemFactory()).getProblem(args[0], params);
    } // if
    else if (args.length == 2) {
      Object[] params = {"Real"};
      problem = (new ProblemFactory()).getProblem(args[0], params);
      indicators = new QualityIndicator(problem, args[1]);
    } // if
    else { // Default problem
      problem = new Kursawe("Real", 3);
      // problem = new Kursawe("BinaryReal", 3);
      // problem = new Water("Real");
      // problem = new ZDT1("ArrayReal", 100);
      // problem = new ConstrEx("Real");
      // problem = new DTLZ1("Real");
      // problem = new OKA2("Real") ;
    } // else

    algorithm = new IBEA(problem);

    // Algorithm parameters
    algorithm.setInputParameter("populationSize", 100);
    algorithm.setInputParameter("archiveSize", 100);
    algorithm.setInputParameter("maxEvaluations", 25000);

    // Mutation and Crossover for Real codification
    crossover = CrossoverFactory.getCrossoverOperator("SBXCrossover");
    crossover.setParameter("probability", 1.0);
    crossover.setParameter("distribuitionIndex", 20.0);
    mutation = MutationFactory.getMutationOperator("PolynomialMutation");
    mutation.setParameter("probability", 1.0 / problem.getNumberOfVariables());
    mutation.setParameter("distributionIndex", 20.0);

    /* Mutation and Crossover Binary codification */
    /*
    crossover = CrossoverFactory.getCrossoverOperator("SinglePointCrossover");
    crossover.setParameter("probability",0.9);
    mutation = MutationFactory.getMutationOperator("BitFlipMutation");
    mutation.setParameter("probability",1.0/80);
    */

    /* Selection Operator */
    selection = new BinaryTournament(new FitnessComparator());
    // Add the operators to the algorithm
    algorithm.addOperator("crossover", crossover);
    algorithm.addOperator("mutation", mutation);
    algorithm.addOperator("selection", selection);

    // Execute the Algorithm
    long initTime = System.currentTimeMillis();
    SolutionSet population = algorithm.execute();
    long estimatedTime = System.currentTimeMillis() - initTime;

    // Print the results
    logger_.info("Total execution time: " + estimatedTime + "ms");
    logger_.info("Variables values have been writen to file VAR");
    population.printVariablesToFile("VAR");
    logger_.info("Objectives values have been writen to file FUN");
    population.printObjectivesToFile("FUN");

    if (indicators != null) {
      logger_.info("Quality indicators");
      logger_.info("Hypervolume: " + indicators.getHypervolume(population));
      logger_.info("GD         : " + indicators.getGD(population));
      logger_.info("IGD        : " + indicators.getIGD(population));
      logger_.info("Spread     : " + indicators.getSpread(population));
      logger_.info("Epsilon    : " + indicators.getEpsilon(population));
    } // if
  } // main