jenes.utils.multitasking

Class MultiThreadEvaluator

java.lang.Object

jenes.utils.multitasking.Runner

jenes.utils.multitasking.MultiThreadRunner

jenes.utils.multitasking.MultiThreadEvaluator

public class MultiThreadEvaluator
extends MultiThreadRunner

This class represent a simple implementation of a multi thread runner

Since:

2.0

See Also:

MultiThreadRunner

Field Summary

Fields inherited from class jenes.utils.multitasking.MultiThreadRunner

nthreads, threadGroup

Fields inherited from class jenes.utils.multitasking.Runner

algorithm

Constructor Summary

Constructors

Constructor and Description
MultiThreadEvaluator() Default constructor that generates an execution enviroinment with a number of threads equals to the number of phisical cores.
MultiThreadEvaluator(int nthreads) Default constructor that define the thread number to use

Method Summary

Methods

Modifier and Type	Method and Description
void	evaluateIndividual(Individual individual) Call-back invoked in substitution to GeneticAlgorithm.evaluateIndividual(jenes.population.Individual)
void	onEvaluationBegin(Population pop, boolean forced) Call-back invoked soon before the Population evaluation starts using the default Fitness defined per GeneticAlgorithm
void	onEvaluationEnd() Call-back invoked soon after the evaluation phase has been performed.

Methods inherited from class jenes.utils.multitasking.MultiThreadRunner

getNthreads, start, stop

Methods inherited from class jenes.utils.multitasking.Runner

execute, execute, execute, getGeneticAlgorithm, onInit, setAlgorithm

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MultiThreadEvaluator

public MultiThreadEvaluator(int nthreads)

Default constructor that define the thread number to use

Parameters:

nthreads -

See Also:

MultiThreadRunner.MultiThreadRunner(int)

MultiThreadEvaluator

public MultiThreadEvaluator()

Default constructor that generates an execution enviroinment with a number of threads equals to the number of phisical cores.

See Also:

MultiThreadRunner.MultiThreadRunner()

Method Detail

onEvaluationBegin

public void onEvaluationBegin(Population pop,
                     boolean forced)

Description copied from class: Runner

Call-back invoked soon before the Population evaluation starts using the default Fitness defined per GeneticAlgorithm

Overrides:

onEvaluationBegin in class Runner

Parameters:

pop - the population that will be evaluated

forced - if each individual of the population will be forced to be evaluated

evaluateIndividual

public void evaluateIndividual(Individual individual)

Description copied from class: Runner

Call-back invoked in substitution to GeneticAlgorithm.evaluateIndividual(jenes.population.Individual)

Specified by:

evaluateIndividual in class Runner

onEvaluationEnd

public void onEvaluationEnd()

Description copied from class: Runner

Call-back invoked soon after the evaluation phase has been performed.
WARNING: the method is called before the elapsed time per evaluation is computed so a huge work could affect measurements.

Overrides:

onEvaluationEnd in class Runner