Package net.bmahe.genetics4j.gpu

Class GPUFitnessEvaluator<T extends Comparable<T>>

java.lang.Object

net.bmahe.genetics4j.gpu.GPUFitnessEvaluator<T>

All Implemented Interfaces:

FitnessEvaluator<T>

public class GPUFitnessEvaluator<T extends Comparable<T>>
extends Object
implements FitnessEvaluator<T>

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final List<org.jocl.cl_command_queue>	clCommandQueues
(package private) final List<org.jocl.cl_context>	clContexts
(package private) final List<OpenCLExecutionContext>	clExecutionContexts
(package private) final List<Map<String,org.jocl.cl_kernel>>	clKernels
(package private) final List<org.jocl.cl_program>	clPrograms
private final ExecutorService	executorService
private final GPUEAConfiguration<T>	gpuEAConfiguration
private final GPUEAExecutionContext<T>	gpuEAExecutionContext
static final org.apache.logging.log4j.Logger	logger
private List<org.apache.commons.lang3.tuple.Pair<Platform,Device>>	selectedPlatformToDevice

Constructor Summary

Constructors

Constructor	Description
GPUFitnessEvaluator(GPUEAExecutionContext<T> _gpuEAExecutionContext, GPUEAConfiguration<T> _gpuEAConfiguration, ExecutorService _executorService)

Method Summary

Modifier and Type	Method	Description
List<T>	evaluate(long generation, List<Genotype> genotypes)	Compute the fitness for a list of genotypes
private List<String>	grabProgramSources()
private String	loadResource(String filename)
void	postEvaluation()
void	preEvaluation()

Methods inherited from class java.lang.Object

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

Field Details

logger

public static final org.apache.logging.log4j.Logger logger

gpuEAExecutionContext

private final GPUEAExecutionContext<T extends Comparable<T>> gpuEAExecutionContext

gpuEAConfiguration

private final GPUEAConfiguration<T extends Comparable<T>> gpuEAConfiguration

executorService

private final ExecutorService executorService

selectedPlatformToDevice

private List<org.apache.commons.lang3.tuple.Pair<Platform,Device>> selectedPlatformToDevice

clContexts

final List<org.jocl.cl_context> clContexts

clCommandQueues

final List<org.jocl.cl_command_queue> clCommandQueues

clPrograms

final List<org.jocl.cl_program> clPrograms

clKernels

final List<Map<String,org.jocl.cl_kernel>> clKernels

clExecutionContexts

final List<OpenCLExecutionContext> clExecutionContexts

Constructor Details

GPUFitnessEvaluator

public GPUFitnessEvaluator(GPUEAExecutionContext<T> _gpuEAExecutionContext,
 GPUEAConfiguration<T> _gpuEAConfiguration,
 ExecutorService _executorService)

Method Details

loadResource

private String loadResource(String filename)

grabProgramSources

private List<String> grabProgramSources()

preEvaluation

public void preEvaluation()

Specified by:

preEvaluation in interface FitnessEvaluator<T extends Comparable<T>>

evaluate

public List<T> evaluate(long generation,
 List<Genotype> genotypes)

Description copied from interface: FitnessEvaluator

Compute the fitness for a list of genotypes

Specified by:

evaluate in interface FitnessEvaluator<T extends Comparable<T>>

Parameters:

genotypes - Population to evaluate

Returns:

Their associated fitnesses

postEvaluation

public void postEvaluation()

Specified by:

postEvaluation in interface FitnessEvaluator<T extends Comparable<T>>