turtlekit.cuda

Class CudaPheromone

java.lang.Object

turtlekit.pheromone.Pheromone

turtlekit.cuda.CudaPheromone

All Implemented Interfaces:

CudaObject

Direct Known Subclasses:

CudaGPUGradientsPhero

public class CudaPheromone
extends Pheromone
implements CudaObject

Field Summary

Fields

Modifier and Type	Field and Description
protected jcuda.Pointer	arrPointer
protected jcuda.driver.CUdeviceptr	testDevicePtr

Constructor Summary

Constructors

Constructor and Description
CudaPheromone(String name, int width, int height, float evapPercentage, float diffPercentage)
CudaPheromone(String name, int width, int height, int evapPercentage, int diffPercentage)

Method Summary

Methods

Modifier and Type	Method and Description
void	diffusion()
void	diffusionAndEvaporation() This is faster than calling them sequentially: Only one GPU kernel is called.
void	evaporation()
void	freeMemory()
float	get(int index) access to underlying buffer
CudaEngine	getCudaEngine()
jcuda.Pointer	getParamterPointer(jcuda.Pointer... kernelParameters)
jcuda.Pointer	getPointerToFloat(float f)
FloatBuffer	getValues()
FloatBuffer	getValuesFloatBuffer()
jcuda.Pointer	getValuesPinnedMemory()
jcuda.driver.CUdeviceptr	getValuesPtr()
void	initCuda()
void	initCudaArray()
protected void	initCudaParameters()
void	initCudaStream()
void	initCudaTmpGrid()
void	initCudaValues()
protected void	initFunctions()
protected void	launchKernel(jcuda.driver.CUfunction cUfunction, jcuda.Pointer... parameters)
void	set(int index, float value) access to underlying buffer
void	setCudaEngine(CudaEngine cudaEngine)
void	setValues(FloatBuffer values)
void	setValuesPinnedMemory(jcuda.Pointer valuesPinnedMemory)
void	setValuesPtr(jcuda.driver.CUdeviceptr valuesPtr)

Methods inherited from class turtlekit.pheromone.Pheromone

get, get1DIndex, getDiffusionCoefficient, getDiffusionPercentage, getEvaporationCoefficient, getEvaporationPercentage, getHeight, getMaxDirection, getMaximum, getMinDirection, getName, getWidth, incValue, incValue, set, setEvaporationPercentage, setMaximum, toString, updateFieldMaxDir

Methods inherited from class java.lang.Object

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

Field Detail

arrPointer

protected jcuda.Pointer arrPointer

testDevicePtr

protected jcuda.driver.CUdeviceptr testDevicePtr

Constructor Detail

CudaPheromone

public CudaPheromone(String name,
             int width,
             int height,
             int evapPercentage,
             int diffPercentage)

CudaPheromone

public CudaPheromone(String name,
             int width,
             int height,
             float evapPercentage,
             float diffPercentage)

Method Detail

getValues

public FloatBuffer getValues()

Returns:

the values

setValues

public void setValues(FloatBuffer values)

Parameters:

values - the values to set

get

public float get(int index)

Description copied from class: Pheromone

access to underlying buffer

Specified by:

get in class Pheromone

Returns:

set

public void set(int index,
       float value)

Description copied from class: Pheromone

access to underlying buffer

Specified by:

set in class Pheromone

initCuda

public void initCuda()

initCudaValues

public void initCudaValues()
                    throws InterruptedException,
                           ExecutionException

Throws:

InterruptedException

ExecutionException

initCudaTmpGrid

public void initCudaTmpGrid()
                     throws InterruptedException,
                            ExecutionException

Throws:

InterruptedException

ExecutionException

initCudaArray

public void initCudaArray()
                   throws InterruptedException,
                          ExecutionException

Throws:

InterruptedException

ExecutionException

initCudaStream

public void initCudaStream()
                    throws InterruptedException,
                           ExecutionException

Throws:

InterruptedException

ExecutionException

initCudaParameters

protected void initCudaParameters()

getParamterPointer

public jcuda.Pointer getParamterPointer(jcuda.Pointer... kernelParameters)

getPointerToFloat

public jcuda.Pointer getPointerToFloat(float f)

initFunctions

protected void initFunctions()

launchKernel

protected void launchKernel(jcuda.driver.CUfunction cUfunction,
                jcuda.Pointer... parameters)

getCudaEngine

public CudaEngine getCudaEngine()

diffusion

public void diffusion()

Specified by:

diffusion in class Pheromone

diffusionAndEvaporation

public void diffusionAndEvaporation()

This is faster than calling them sequentially: Only one GPU kernel is called.

Specified by:

diffusionAndEvaporation in class Pheromone

evaporation

public void evaporation()

Specified by:

evaporation in class Pheromone

freeMemory

public void freeMemory()

Specified by:

freeMemory in interface CudaObject

getValuesFloatBuffer

public FloatBuffer getValuesFloatBuffer()

Specified by:

getValuesFloatBuffer in class Pheromone

setCudaEngine

public final void setCudaEngine(CudaEngine cudaEngine)

Parameters:

cudaEngine - the cudaEngine to set

getValuesPtr

public jcuda.driver.CUdeviceptr getValuesPtr()

Returns:

the valuesPtr

setValuesPtr

public void setValuesPtr(jcuda.driver.CUdeviceptr valuesPtr)

Parameters:

valuesPtr - the valuesPtr to set

getValuesPinnedMemory

public jcuda.Pointer getValuesPinnedMemory()

Returns:

the valuesPinnedMemory

setValuesPinnedMemory

public void setValuesPinnedMemory(jcuda.Pointer valuesPinnedMemory)

Parameters:

valuesPinnedMemory - the valuesPinnedMemory to set