/**
* Configure the algorithm with the specified parameter experiments.settings
*
* @return an algorithm object
* @throws jmetal.util.JMException
*/
public Algorithm configure() throws JMException {
Algorithm algorithm;
Operator selection;
Operator crossover;
HashMap parameters; // Operator parameters
// Creating the problem
Object[] problemParams = {"Real"};
problem_ = (new ProblemFactory()).getProblem(problemName_, problemParams);
algorithm = new CellDE(problem_);
// Algorithm parameters
algorithm.setInputParameter("populationSize", populationSize_);
algorithm.setInputParameter("archiveSize", archiveSize_);
algorithm.setInputParameter("maxEvaluations", maxEvaluations_);
algorithm.setInputParameter("feedBack", archiveFeedback_);
// Crossover operator
parameters = new HashMap();
parameters.put("CR", CR_);
parameters.put("F", F_);
crossover = CrossoverFactory.getCrossoverOperator("DifferentialEvolutionCrossover", parameters);
// Add the operators to the algorithm
parameters = null;
selection = SelectionFactory.getSelectionOperator("BinaryTournament", parameters);
algorithm.addOperator("crossover", crossover);
algorithm.addOperator("selection", selection);
return algorithm;
} // configure
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
HashMap parameters; // Operator parameters
int threads = 4; // 0 - use all the available cores
IParallelEvaluator parallelEvaluator = new MultithreadedEvaluator(threads);
// problem = new Sphere("Real", 10) ;
problem = new Griewank("Real", 10);
algorithm = new pgGA(problem, parallelEvaluator); // Generational GA
/* Algorithm parameters*/
algorithm.setInputParameter("populationSize", 100);
algorithm.setInputParameter("maxEvaluations", 2500000);
// Mutation and Crossover for Real codification
parameters = new HashMap();
parameters.put("probability", 0.9);
parameters.put("distributionIndex", 20.0);
crossover = CrossoverFactory.getCrossoverOperator("SBXCrossover", parameters);
parameters = new HashMap();
parameters.put("probability", 1.0 / problem.getNumberOfVariables());
parameters.put("distributionIndex", 20.0);
mutation = MutationFactory.getMutationOperator("PolynomialMutation", parameters);
/* Selection Operator */
parameters = null;
selection = SelectionFactory.getSelectionOperator("BinaryTournament", parameters);
/* 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;
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
/**
* Configure the MOCell algorithm with default parameter settings
*
* @return an algorithm object
* @throws jmetal.util.JMException
*/
public Algorithm configure() throws JMException {
Algorithm algorithm;
Operator crossover;
Operator mutation;
Operator improvement; // Operator for improvement
HashMap parameters; // Operator parameters
QualityIndicator indicators;
// Creating the problem
algorithm = new AbYSS(problem_);
// Algorithm parameters
algorithm.setInputParameter("populationSize", populationSize_);
algorithm.setInputParameter("refSet1Size", refSet1Size_);
algorithm.setInputParameter("refSet2Size", refSet2Size_);
algorithm.setInputParameter("archiveSize", archiveSize_);
algorithm.setInputParameter("maxEvaluations", maxEvaluations_);
parameters = new HashMap();
parameters.put("probability", crossoverProbability_);
parameters.put("distributionIndex", crossoverDistributionIndex_);
crossover = CrossoverFactory.getCrossoverOperator("SBXCrossover", parameters);
parameters = new HashMap();
parameters.put("probability", mutationProbability_);
parameters.put("distributionIndex", mutationDistributionIndex_);
mutation = MutationFactory.getMutationOperator("PolynomialMutation", parameters);
parameters = new HashMap();
parameters.put("improvementRounds", 1);
parameters.put("problem", problem_);
parameters.put("mutation", mutation);
improvement = new MutationLocalSearch(parameters);
// Adding the operators to the algorithm
algorithm.addOperator("crossover", crossover);
algorithm.addOperator("improvement", improvement);
/* Deleted since jMetal 4.2
// Creating the indicator object
if ((paretoFrontFile_!=null) && (!paretoFrontFile_.equals(""))) {
indicators = new QualityIndicator(problem_, paretoFrontFile_);
algorithm.setInputParameter("indicators", indicators) ;
} // if
*/
return algorithm;
} // Constructor
/**
* Configure SPEA2 with default parameter settings
*
* @return an algorithm object
* @throws jmetal.util.JMException
*/
public Algorithm configure() throws JMException {
Algorithm algorithm;
Operator crossover; // Crossover operator
Operator mutation; // Mutation operator
Operator selection; // Selection operator
QualityIndicator indicators;
HashMap parameters; // Operator parameters
// Creating the problem
algorithm = new SPEA2(problem_);
// Algorithm parameters
algorithm.setInputParameter("populationSize", populationSize_);
algorithm.setInputParameter("archiveSize", archiveSize_);
algorithm.setInputParameter("maxEvaluations", maxEvaluations_);
// Mutation and Crossover for Real codification
parameters = new HashMap();
parameters.put("probability", crossoverProbability_);
parameters.put("distributionIndex", crossoverDistributionIndex_);
crossover = CrossoverFactory.getCrossoverOperator("SBXCrossover", parameters);
parameters = new HashMap();
parameters.put("probability", mutationProbability_);
parameters.put("distributionIndex", mutationDistributionIndex_);
mutation = MutationFactory.getMutationOperator("PolynomialMutation", parameters);
// Selection operator
parameters = null;
selection = SelectionFactory.getSelectionOperator("BinaryTournament", parameters);
// Add the operators to the algorithm
algorithm.addOperator("crossover", crossover);
algorithm.addOperator("mutation", mutation);
algorithm.addOperator("selection", selection);
/* Deleted since jMetal 4.2
// Creating the indicator object
if ((paretoFrontFile_!=null) && (!paretoFrontFile_.equals(""))) {
indicators = new QualityIndicator(problem_, paretoFrontFile_);
algorithm.setInputParameter("indicators", indicators) ;
} // if
*/
return algorithm;
} // configure
public static void main(String[] args) throws JMException, ClassNotFoundException {
int numberOfVariables = 20;
int populationSize = 10;
int maxEvaluations = 1000000;
Problem problem; // The problem to solve
Algorithm algorithm; // The algorithm to use
// problem = new Sphere("Real", numberOfVariables) ;
// problem = new Easom("Real") ;
// problem = new Griewank("Real", populationSize) ;
// problem = new Schwefel("Real", numberOfVariables) ;
problem = new Rosenbrock("Real", numberOfVariables);
// problem = new Rastrigin("Real", numberOfVariables) ;
algorithm = new CMAES(problem);
/* Algorithm parameters*/
algorithm.setInputParameter("populationSize", populationSize);
algorithm.setInputParameter("maxEvaluations", maxEvaluations);
/* 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 written to file FUN");
population.printObjectivesToFile("FUN");
System.out.println("Variables values have been written to file VAR");
population.printVariablesToFile("VAR");
} // main
/**
* Configure the MOCell algorithm with default parameter experiments.settings
*
* @return an algorithm object
* @throws jmetal.util.JMException
*/
public Algorithm configure() throws JMException {
Algorithm algorithm;
Crossover crossover;
Mutation mutation;
Operator selection;
HashMap parameters; // Operator parameters
// Selecting the algorithm: there are six MOCell variants
Object[] problemParams = {"Real"};
problem_ = (new ProblemFactory()).getProblem(problemName_, problemParams);
// algorithm = new sMOCell1(problem_) ;
// algorithm = new sMOCell2(problem_) ;
// algorithm = new aMOCell1(problem_) ;
// algorithm = new aMOCell2(problem_) ;
// algorithm = new aMOCell3(problem_) ;
algorithm = new MOCell(problem_);
// Algorithm parameters
algorithm.setInputParameter("populationSize", populationSize_);
algorithm.setInputParameter("maxEvaluations", maxEvaluations_);
algorithm.setInputParameter("archiveSize", archiveSize_);
algorithm.setInputParameter("feedBack", feedback_);
// Mutation and Crossover for Real codification
parameters = new HashMap();
parameters.put("probability", crossoverProbability_);
parameters.put("distributionIndex", crossoverDistributionIndex_);
crossover = CrossoverFactory.getCrossoverOperator("SBXCrossover", parameters);
parameters = new HashMap();
parameters.put("probability", mutationProbability_);
parameters.put("distributionIndex", mutationDistributionIndex_);
mutation = MutationFactory.getMutationOperator("PolynomialMutation", parameters);
// Selection Operator
parameters = null;
selection = SelectionFactory.getSelectionOperator("BinaryTournament", parameters);
// Add the operators to the algorithm
algorithm.addOperator("crossover", crossover);
algorithm.addOperator("mutation", mutation);
algorithm.addOperator("selection", selection);
return algorithm;
} // configure
/**
* @param args Command line arguments.
* @throws JMException
* @throws IOException
* @throws SecurityException Usage: three options - 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, SecurityException, 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
HashMap parameters; // Operator parameters
// Logger object and file to store log messages
// logger_ = Configuration.logger_ ;
fileHandler_ = new FileHandler("NSGAII_main.log");
// logger_.addHandler(fileHandler_) ;
problem = new QOP();
int corridas;
String caso;
nrocaso = 0;
Poblacion population = new Poblacion(50);
while (nrocaso < casosDePrueba.length) {
corridas = 1;
long initTime2 = System.currentTimeMillis();
while (corridas < 11) {
algorithm = new NSGAII_G10(problem, nrocaso);
caso = casosDePrueba[nrocaso];
// algorithm = new ssNSGAII(problem);
// Algorithm parameters
algorithm.setInputParameter("populationSize", 5);
algorithm.setInputParameter("maxEvaluations", 2500);
algorithm.setInputParameter("probMutacion", 1); // 10%
algorithm.setInputParameter("nrocaso", nrocaso);
algorithm.setInputParameter("corridas", corridas);
// Mutation and Crossover for Real codification
/*parameters = new HashMap() ;
parameters.put("probability", 0.9) ;
parameters.put("distributionIndex", 20.0) ;
crossover = CrossoverFactory.getCrossoverOperator("SBXCrossover", parameters);
parameters = new HashMap() ;
parameters.put("probability", 1.0/problem.getNumberOfVariables()) ;
parameters.put("distributionIndex", 20.0) ;
mutation = MutationFactory.getMutationOperator("PolynomialMutation", parameters);
// Selection Operator
parameters = null ;
selection = SelectionFactory.getSelectionOperator("BinaryTournament2", parameters) ;
*/
// Add the operators to the algorithm
/*algorithm.addOperator("crossover",crossover);
algorithm.addOperator("mutation",mutation);
algorithm.addOperator("selection",selection);*/
// algorithm.addOperator("torneobinario", torneobinario);
// Add the indicator object to the algorithm
// System.out.println(" "+corridas);
// Execute the Algorithm
long initTime = System.currentTimeMillis();
// System.out.println(caso + "-" + corridas + " Test Genetico.");
population = algorithm.execute();
long estimatedTime = System.currentTimeMillis() - initTime;
// Result messages
if (population != null) {
// logger_.info("Total execution time: "+estimatedTime + "ms");
// logger_.info("Variables values have been writen to file VAR");
population.printVariablesToFile("VAR_p3" + caso);
// logger_.info("Objectives values have been writen to file FUN");
population.printObjectivesToFile("FUN_p3" + caso);
} else {
System.out.println("No arrojo resultados");
}
/*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)) ;
int evaluations = ((Integer)algorithm.getOutputParameter("evaluations")).intValue();
logger_.info("Speed : " + evaluations + " evaluations") ;
} // if*/
corridas++;
}
long estimatedTime2 = System.currentTimeMillis() - initTime2;
long tiempo = estimatedTime2;
long hora = tiempo / 3600000;
long restohora = tiempo % 3600000;
long minuto = restohora / 60000;
long restominuto = restohora % 60000;
long segundo = restominuto / 1000;
long restosegundo = restominuto % 1000;
String time = hora + ":" + minuto + ":" + segundo + "." + restosegundo;
time = " Tiempo: " + time;
String fin = casosDePrueba[nrocaso] + " FIN - Test Genetico. Tiempo:" + time;
// fin += " - Nº Generaciones: " + evaluations;
System.out.println(fin);
if (population != null) population.printFinalResults();
nrocaso++;
}
System.out.println("FIN Prueba Algoritmo Genetico. (Segment-Oriented).");
} // main
/**
* @param args Command line arguments. The first (optional) argument specifies the problem to
* solve.
* @throws JMException
*/
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
HashMap parameters; // Operator parameters
// Logger object and file to store log messages
logger_ = Configuration.logger_;
fileHandler_ = new FileHandler("FastPGA_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("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 FastPGA(problem);
algorithm.setInputParameter("maxPopSize", 100);
algorithm.setInputParameter("initialPopulationSize", 100);
algorithm.setInputParameter("maxEvaluations", 25000);
algorithm.setInputParameter("a", 20.0);
algorithm.setInputParameter("b", 1.0);
algorithm.setInputParameter("c", 20.0);
algorithm.setInputParameter("d", 0.0);
// Parameter "termination"
// If the preferred stopping criterium is PPR based, termination must
// be set to 0; otherwise, if the algorithm is intended to iterate until
// a give number of evaluations is carried out, termination must be set to
// that number
algorithm.setInputParameter("termination", 1);
// Mutation and Crossover for Real codification
parameters = new HashMap();
parameters.put("probability", 0.9);
parameters.put("distributionIndex", 20.0);
crossover = CrossoverFactory.getCrossoverOperator("SBXCrossover", parameters);
// crossover.setParameter("probability",0.9);
// crossover.setParameter("distributionIndex",20.0);
parameters = new HashMap();
parameters.put("probability", 1.0 / problem.getNumberOfVariables());
parameters.put("distributionIndex", 20.0);
mutation = MutationFactory.getMutationOperator("PolynomialMutation", parameters);
// Mutation and Crossover for Binary codification
parameters = new HashMap();
parameters.put("comparator", new FPGAFitnessComparator());
selection = new BinaryTournament(parameters);
algorithm.addOperator("crossover", crossover);
algorithm.addOperator("mutation", mutation);
algorithm.addOperator("selection", selection);
long initTime = System.currentTimeMillis();
SolutionSet population = algorithm.execute();
long estimatedTime = System.currentTimeMillis() - initTime;
// Result messages
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));
int evaluations = ((Integer) algorithm.getOutputParameter("evaluations")).intValue();
logger_.info("Speed : " + evaluations + " evaluations");
} // if
} // main