Particle Swarm Optimization. More...

Inheritance diagram for PSO_Optimizer:

Collaboration diagram for PSO_Optimizer:

Public Member Functions
	PSO_Optimizer (EvalFuncPtr fPtr=NULL, unsigned int dn=PROBLEM_DIMENSIONS, unsigned int sn=NUM_SETS, unsigned int pn=NUM_SOLUTIONS)
	see IOptimizer::IOptimizer
virtual bool	init ()
	Initialize the optimizer.
virtual void	free ()
	Free memory.
void	setInertia (float w)
	set inertia value
void	setC1 (float c1)
	set value of parameter C1
void	setC2 (float c2)
	set value of parameter C2
void	setTopology (TOPOLOGY topology)
	set neighborhood topology
float *	getBestSolution ()
	get best solutions of all sets
float *	getBestSolution (unsigned int sid)
	get best solution of the set indicated by the index sid
float *	getBestFitnesses ()
	get a pointer to best fitnesses of all sets
float	getBestFitness (unsigned int sid)
	get value of the best fitness for set indicated by the index sid
Protected Member Functions
virtual void	initSolutions (dim3, dim3)
	Initialize solutions.
virtual void	fitnessEvaluation (dim3, dim3, bool first=false)
	Evaluate solutions.
virtual void	step (dim3, dim3)
	Generate solutions for subsequent fitnessEvaluation.
virtual void	update (dim3, dim3, bool first=false)
	Update population according to the algorithm and the results of fitnessEvaluation.
virtual void	findBest ()
	Updates global best fitnesses, indexes in SolutionSet device memory.

Detailed Description

Particle Swarm Optimization.

Definition at line 40 of file PSO_Optimizer.h.

Member Function Documentation

virtual void PSO_Optimizer::fitnessEvaluation	(	dim3	initializationGrid,
		dim3	initializationBlock,
		bool	first = `false`
	)		`[protected, virtual]`

Evaluate solutions.

Parameters:

initializationGrid	organization of the CUDA blocks
initializationBlock	organization of the CUDA threads
first	it signals if it is the first evaluation of the optimization

Implements IOptimizer.

virtual void PSO_Optimizer::initSolutions	(	dim3	initializationGrid,
		dim3	initializationBlock
	)		`[protected, virtual]`

Initialize solutions.

Parameters:

initializationGrid	organization of the CUDA blocks
initializationBlock	organization of the CUDA threads

Implements IOptimizer.

void PSO_Optimizer::setTopology ( TOPOLOGY topology ) [inline]

set neighborhood topology

Actually implemented:
LBEST ring topology with neighborhood size 2 GBEST global topology STAR star topology

Definition at line 91 of file PSO_Optimizer.h.

virtual void PSO_Optimizer::step	(	dim3	initializationGrid,
		dim3	initializationBlock
	)		`[protected, virtual]`

Generate solutions for subsequent fitnessEvaluation.

Parameters:

initializationGrid	organization of the CUDA blocks
initializationBlock	organization of the CUDA threads

Implements IOptimizer.

virtual void PSO_Optimizer::update	(	dim3	initializationGrid,
		dim3	initializationBlock,
		bool	first = `false`
	)		`[protected, virtual]`

Update population according to the algorithm and the results of fitnessEvaluation.

Parameters:

initializationGrid	organization of the CUDA blocks
initializationBlock	organization of the CUDA threads
first	it signals if it is the first evaluation of the optimization

Implements IOptimizer.

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