Set(s) of solutions. More...

#include <SolutionSet.h>

Public Member Functions
	SolutionSet (unsigned int dn, unsigned int sn, unsigned int pn)
	Instantiate a SolutionSet.
FitnessSet *	getFitnessSet ()
	get the fitnesses of SolutionSet. It must be used during the fitness evaluation
void	init (LOG_LEVEL verbosity, std::string loggerFile)
	Initialize the SolutionSet.
void	free ()
	Release both device and host memory.
void	findBests (bool maximize=false)
	Updates global best fitnesses, indexes in device memory.
void	setSetNumber (unsigned int sn)
	Set number of sets SolutionSet will use.
void	setSolutionNumber (unsigned int pn)
	Set number of solutions SolutionSet will use in each set.
void	setProblemDimension (unsigned int dn)
	Set problem dimension of the SolutionSet.
void	setParams (unsigned int sn, unsigned int pn, unsigned int dn)
	Set number of sets, number of solutions, and problem dimension SolutionSet will use.
void	setParams (const SolutionSet &src)
	Set number of sets, number of solutions, and problem dimension SolutionSet will use.
void	setDevicePositions (float *ptr, POINTER_LOCATION location=HOST_POINTER, unsigned int sid=ALL_SETS)
	Set all device positions of the SolutionSet.
void	setDevicePositionsPtr (float *ptr)
	Set device positions pointer.
void	setDeviceFitnesses (float *ptr, POINTER_LOCATION location=HOST_POINTER, unsigned int sid=ALL_SETS)
	Set all device fitnesses of the SolutionSet.
void	setDeviceFitnessesPtr (float *ptr)
	Set device fitnesses pointer.
void	setDeviceFitnesses (FitnessSet fitn)
	Set all device fitnesses using a FitnessSet.
unsigned int	getSetNumber () const
	Get number of sets SolutionSet is using.
unsigned int	getSolutionNumber () const
	Get number of solutions SolutionSet is using for each set.
unsigned int	getProblemDimension () const
	Get problem dimension (number of dimension) SolutionSet is using.
unsigned int	getActualSolutionSize () const
	Get size of a single solution in memory (iAlignUp(problemDimension, 16))
float *	getDevicePositions ()
	Get device pointer to all solutions of the SolutionSet.
const float *	getDevicePositionsConst () const
	see getDevicePositionsConst
float *	getDeviceFitnesses ()
	Get device pointer to all fitnesses of the SolutionSet.
const float *	getDeviceFitnessesConst () const
	see getDeviceFitnesses
float *	getDeviceBestFitnesses ()
	Get device pointer to best fitnesses of all sets of the SolutionSet.
const float *	getDeviceBestFitnessesConst () const
	see getDeviceBestFitnesses
uint32_t *	getDeviceBestIDs ()
	Get device pointer to indexes of the best element for all sets of the SolutionSet.
const uint32_t *	getDeviceBestIDsConst () const
	see getDeviceBestIDs
float *	getDevicePositions (unsigned int sid)
	Get device pointer to all solutions of a set.
const float *	getDevicePositionsConst (unsigned int sid) const
	see getDevicePositions
float *	getDeviceFitnesses (unsigned int sid)
	Get device pointer to all fitnesses of a set.
const float *	getDeviceFitnessesConst (unsigned int sid) const
	see getDeviceFitnesses
float *	getDeviceBestFitnesses (unsigned int sid)
	Get device pointer to the best fitness of a set.
const float *	getDeviceBestFitnessesConst (unsigned int sid) const
	see getDeviceBestFitnesses
uint32_t *	getDeviceBestIDs (unsigned int sid)
	Get device pointer to index of the best element for a single set.
const uint32_t *	getDeviceBestIDsConst (unsigned int sid) const
	see getDeviceBestIDs
float *	getDevicePositions (unsigned int sid, unsigned int pid)
	Get device pointer to a single solution pid in the set sid.
const float *	getDevicePositionsConst (unsigned int sid, unsigned int pid) const
	see getDevicePositions
float *	getDeviceFitnesses (unsigned int sid, unsigned int pid)
	Get device pointer to a fitness of a solution pid in the set sid.
const float *	getDeviceFitnessesConst (unsigned int sid, unsigned int pid) const
	see getDeviceFitnesses
float *	getHostFitnesses ()
	Get host pointer to all fitnesses of the SolutionSet.
float *	getHostBestFitnesses ()
	Get host pointer to best fitnesses of all sets of the SolutionSet.
float *	getHostBestPositions ()
	Get host pointer to best elements of all sets of the SolutionSet.
float *	getHostFitnesses (unsigned int sid)
	Get host pointer to fitnesses of a set.
float	getHostBestFitnesses (unsigned int sid)
	Get value of the best fitness of a set.
float *	getHostBestPositions (unsigned int sid)
	Get host pointer to the position of the best solution found in a set.
void	copyPositionsToHost ()
	copy all solutions from device to host
const float *	getHostPositions (unsigned int sid=ALL_SETS, unsigned int pid=ALL_SOLUTIONS)
	Get updated host pointer to solutions of the SolutionSet.
const float *	getHostPositionsConst (unsigned int sid=ALL_SETS, unsigned int pid=ALL_SOLUTIONS) const
	Get a host pointer to all solutions of the SolutionSet, without copying it from the device.
float	getHostFitnesses (unsigned int sid, unsigned int pid)
	Get host pointer to actual fitnesses of the SolutionSet.

Detailed Description

Set(s) of solutions.

An instance of this class represents a multi-set of solutions used inside a IOptimizer

Definition at line 31 of file SolutionSet.h.

Constructor & Destructor Documentation

SolutionSet::SolutionSet	(	unsigned int	dn,
		unsigned int	sn,
		unsigned int	pn
	)

Instantiate a SolutionSet.

Parameters:

dn	problem dimension: number of elements in a solution
sn	number of sets
pn	number of solutions in a set

Member Function Documentation

void SolutionSet::findBests ( bool maximize = false )

Updates global best fitnesses, indexes in device memory.

Parameters:

maximize true if a higher fitness represents a better result, false (default) otherwise

unsigned int SolutionSet::getActualSolutionSize ( ) const [inline]

Get size of a single solution in memory (iAlignUp(problemDimension, 16))

Returns:: number of actual solution size

Definition at line 152 of file SolutionSet.h.

float* SolutionSet::getDeviceBestFitnesses ( ) [inline]

Get device pointer to best fitnesses of all sets of the SolutionSet.

Returns:: device pointer to best fitnesses

Definition at line 165 of file SolutionSet.h.

float* SolutionSet::getDeviceBestFitnesses ( unsigned int sid ) [inline]

Get device pointer to the best fitness of a set.

Parameters:

sid	index of the set

Returns:: device pointer to best fitness

Definition at line 188 of file SolutionSet.h.

uint32_t* SolutionSet::getDeviceBestIDs ( ) [inline]

Get device pointer to indexes of the best element for all sets of the SolutionSet.

Returns:: device pointer to best indexes

Definition at line 170 of file SolutionSet.h.

uint32_t* SolutionSet::getDeviceBestIDs ( unsigned int sid ) [inline]

Get device pointer to index of the best element for a single set.

Parameters:

sid	index of the set

Returns:: device pointer to the index

Definition at line 194 of file SolutionSet.h.

float* SolutionSet::getDeviceFitnesses ( ) [inline]

Get device pointer to all fitnesses of the SolutionSet.

Returns:: device pointer to fitnesses

Definition at line 160 of file SolutionSet.h.

References FitnessSet::get().

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float* SolutionSet::getDeviceFitnesses ( unsigned int sid ) [inline]

Get device pointer to all fitnesses of a set.

Parameters:

sid	index of the set

Returns:: device pointer to fitnesses

Definition at line 182 of file SolutionSet.h.

References FitnessSet::get().

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float* SolutionSet::getDeviceFitnesses	(	unsigned int	sid,
		unsigned int	pid
	)		`[inline]`

Get device pointer to a fitness of a solution pid in the set sid.

Parameters:

sid	index of the set
pid	index of the solution

Returns:: device pointer to the fitness

Definition at line 208 of file SolutionSet.h.

References FitnessSet::get().

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float* SolutionSet::getDevicePositions ( ) [inline]

Get device pointer to all solutions of the SolutionSet.

Returns:: device pointer to positions

Definition at line 155 of file SolutionSet.h.

float* SolutionSet::getDevicePositions ( unsigned int sid ) [inline]

Get device pointer to all solutions of a set.

Parameters:

sid	index of the set

Returns:: device pointer to the solutions

Definition at line 176 of file SolutionSet.h.

float* SolutionSet::getDevicePositions	(	unsigned int	sid,
		unsigned int	pid
	)		`[inline]`

Get device pointer to a single solution pid in the set sid.

Parameters:

sid	index of the set
pid	index of the solution

Returns:: device pointer to the solution

Definition at line 201 of file SolutionSet.h.

FitnessSet* SolutionSet::getFitnessSet ( ) [inline]

get the fitnesses of SolutionSet. It must be used during the fitness evaluation

Returns:: pointer to the FitnessSet

Definition at line 89 of file SolutionSet.h.

float* SolutionSet::getHostBestFitnesses ( )

Get host pointer to best fitnesses of all sets of the SolutionSet.

Returns:: host pointer to best fitnesses

float SolutionSet::getHostBestFitnesses ( unsigned int sid )

Get value of the best fitness of a set.

Parameters:

sid	number of the set

Returns:: best set fitness

float* SolutionSet::getHostBestPositions ( )

Get host pointer to best elements of all sets of the SolutionSet.

Returns:: host pointer to best elements

float* SolutionSet::getHostBestPositions ( unsigned int sid )

Get host pointer to the position of the best solution found in a set.

Parameters:

sid	number of the set

Returns:: host pointer to position

float* SolutionSet::getHostFitnesses ( )

Get host pointer to all fitnesses of the SolutionSet.

Returns:: host pointer to fitnesses

float* SolutionSet::getHostFitnesses ( unsigned int sid )

Get host pointer to fitnesses of a set.

Parameters:

sid	number of the set

Returns:: host pointer to fitnesses

float SolutionSet::getHostFitnesses	(	unsigned int	sid,
		unsigned int	pid
	)

Get host pointer to actual fitnesses of the SolutionSet.

Parameters:

sid	index of the swarm (default is ALL_SETS)
pid	index of the solution (default is ALL_SOLUTIONS)

Returns:: host pointer to fitnesses

const float* SolutionSet::getHostPositions	(	unsigned int	sid = `ALL_SETS`,
		unsigned int	pid = `ALL_SOLUTIONS`
	)

Get updated host pointer to solutions of the SolutionSet.

Parameters:

sid	index of the swarm (default is ALL_SETS)
pid	index of the solution (default is ALL_SOLUTIONS)

Returns:: host pointer to positions

const float* SolutionSet::getHostPositionsConst	(	unsigned int	sid = `ALL_SETS`,
		unsigned int	pid = `ALL_SOLUTIONS`
	)		const

Get a host pointer to all solutions of the SolutionSet, without copying it from the device.

Parameters:

sid	index of the swarm (default is ALL_SETS)
pid	index of the solution (default is ALL_SOLUTIONS)

Returns:: host pointer to positions

unsigned int SolutionSet::getProblemDimension ( ) const [inline]

Get problem dimension (number of dimension) SolutionSet is using.

Returns:: problem dimension

Definition at line 149 of file SolutionSet.h.

Referenced by setParams().

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unsigned int SolutionSet::getSetNumber ( ) const [inline]

Get number of sets SolutionSet is using.

Returns:: number of sets

Definition at line 143 of file SolutionSet.h.

Referenced by setParams().

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unsigned int SolutionSet::getSolutionNumber ( ) const [inline]

Get number of solutions SolutionSet is using for each set.

Returns:: number of solutions

Definition at line 146 of file SolutionSet.h.

Referenced by setParams().

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void SolutionSet::init	(	LOG_LEVEL	verbosity,
		std::string	loggerFile
	)

Initialize the SolutionSet.

Parameters:

verbosity	verbosity level (see OptimizerLog.h)
loggerFile	file used for logging (if empty, stderr will be used)

void SolutionSet::setDeviceFitnesses	(	float *	ptr,
		POINTER_LOCATION	location = `HOST_POINTER`,
		unsigned int	sid = `ALL_SETS`
	)

Set all device fitnesses of the SolutionSet.

Parameters:

ptr	device pointer to an array
location	whether ptr resides in device or host memory
sid	number of set whose fitness should be changed (default ALL_SETS)

void SolutionSet::setDeviceFitnesses ( FitnessSet fitn )

Set all device fitnesses using a FitnessSet.

Parameters:

fitn	the FitnessSet used to update the fitnesses

void SolutionSet::setDeviceFitnessesPtr ( float * ptr ) [inline]

Set device fitnesses pointer.

Parameters:

ptr	pointer to an array on the device

Definition at line 136 of file SolutionSet.h.

References FitnessSet::setPtr().

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void SolutionSet::setDevicePositions	(	float *	ptr,
		POINTER_LOCATION	location = `HOST_POINTER`,
		unsigned int	sid = `ALL_SETS`
	)

Set all device positions of the SolutionSet.

Parameters:

ptr	pointer to an array
location	whether ptr resides in device or host memory
sid	number of set whose fitness should be changed (default ALL_SETS)

void SolutionSet::setDevicePositionsPtr ( float * ptr ) [inline]

Set device positions pointer.

Parameters:

ptr	pointer to an array on the device

Definition at line 128 of file SolutionSet.h.

void SolutionSet::setParams	(	unsigned int	sn,
		unsigned int	pn,
		unsigned int	dn
	)		`[inline]`

Set number of sets, number of solutions, and problem dimension SolutionSet will use.

Parameters:

sn	number of sets
pn	population size of each set
dn	problem dimension

Definition at line 115 of file SolutionSet.h.

References setProblemDimension(), setSetNumber(), and setSolutionNumber().

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void SolutionSet::setParams ( const SolutionSet & src ) [inline]

Set number of sets, number of solutions, and problem dimension SolutionSet will use.

Parameters:

src	another SolutionSet instance to get the parameters from

Definition at line 119 of file SolutionSet.h.

References getProblemDimension(), getSetNumber(), getSolutionNumber(), and setParams().

Referenced by setParams().

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void SolutionSet::setProblemDimension ( unsigned int dn ) [inline]

Set problem dimension of the SolutionSet.

Parameters:

dn	problem dimension

Definition at line 110 of file SolutionSet.h.

References iAlignUp().

Referenced by setParams().

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void SolutionSet::setSetNumber ( unsigned int sn ) [inline]

Set number of sets SolutionSet will use.

Parameters:

sn	number of sets

Definition at line 104 of file SolutionSet.h.

Referenced by setParams().

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void SolutionSet::setSolutionNumber ( unsigned int pn ) [inline]

Set number of solutions SolutionSet will use in each set.

Parameters:

pn	population size of each set

Definition at line 107 of file SolutionSet.h.

Referenced by setParams().

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The documentation for this class was generated from the following file:

SolutionSet.h

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation