org.uma.jmetal.runner.multiobjective.NSGAIIBigDataRunner Maven / Gradle / Ivy
package org.uma.jmetal.runner.multiobjective;
import org.uma.jmetal.algorithm.Algorithm;
import org.uma.jmetal.algorithm.multiobjective.nsgaii.NSGAIIBuilder;
import org.uma.jmetal.operator.CrossoverOperator;
import org.uma.jmetal.operator.MutationOperator;
import org.uma.jmetal.operator.SelectionOperator;
import org.uma.jmetal.operator.impl.crossover.SBXCrossover;
import org.uma.jmetal.operator.impl.mutation.PolynomialMutation;
import org.uma.jmetal.operator.impl.selection.BinaryTournamentSelection;
import org.uma.jmetal.problem.Problem;
import org.uma.jmetal.problem.multiobjective.cec2015OptBigDataCompetition.BigOpt2015;
import org.uma.jmetal.runner.AbstractAlgorithmRunner;
import org.uma.jmetal.solution.DoubleSolution;
import org.uma.jmetal.util.AlgorithmRunner;
import org.uma.jmetal.util.JMetalException;
import org.uma.jmetal.util.JMetalLogger;
import org.uma.jmetal.util.comparator.RankingAndCrowdingDistanceComparator;
import org.uma.jmetal.util.fileoutput.SolutionListOutput;
import org.uma.jmetal.util.fileoutput.impl.DefaultFileOutputContext;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
/**
* Class for configuring and running the NSGA-II algorithm to solve a problem of the CEC 2015
* Big Optimization competition
*
* @author Antonio J. Nebro
*/
public class NSGAIIBigDataRunner extends AbstractAlgorithmRunner {
/**
* @param args Command line arguments.
* @throws java.io.IOException
* @throws SecurityException
* @throws ClassNotFoundException
* Invoking command:
java org.uma.jmetal.runner.multiobjective.NSGAIIBigDataRunner problemName [referenceFront]
*/
public static void main(String[] args)
throws JMetalException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException,
InvocationTargetException, InstantiationException {
Problem problem;
Algorithm> algorithm;
CrossoverOperator crossover;
MutationOperator mutation;
SelectionOperator, DoubleSolution> selection;
String instanceName ;
if (args.length == 1) {
instanceName = args[0] ;
} else {
instanceName = "D12" ;
}
problem = new BigOpt2015(instanceName) ;
double crossoverProbability = 0.9 ;
double crossoverDistributionIndex = 20.0 ;
crossover = new SBXCrossover(crossoverProbability, crossoverDistributionIndex) ;
double mutationProbability = 1.0 / problem.getNumberOfVariables() ;
double mutationDistributionIndex = 20.0 ;
mutation = new PolynomialMutation(mutationProbability, mutationDistributionIndex) ;
selection = new BinaryTournamentSelection(new RankingAndCrowdingDistanceComparator());
algorithm = new NSGAIIBuilder(problem, crossover, mutation)
.setSelectionOperator(selection)
.setMaxEvaluations(50000)
.setPopulationSize(20)
.build() ;
AlgorithmRunner algorithmRunner = new AlgorithmRunner.Executor(algorithm)
.execute() ;
List population = algorithm.getResult() ;
long computingTime = algorithmRunner.getComputingTime() ;
new SolutionListOutput(population)
.setSeparator("\t")
.setVarFileOutputContext(new DefaultFileOutputContext("VAR.tsv"))
.setFunFileOutputContext(new DefaultFileOutputContext("FUN.tsv"))
.print();
JMetalLogger.logger.info("Total execution time: " + computingTime + "ms");
printFinalSolutionSet(population);
}
}
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