ECF 1.7
AlgAEliGpea Class Reference

Asynchronous elimination global parallel algorithm. More...

#include <AlgAEliGPEA.h>

Inheritance diagram for AlgAEliGpea:
ParallelAlgorithm Algorithm

Public Member Functions

bool advanceGeneration (StateP state, DemeP deme)
 Perform a single generation on a single deme.
bool initialize (StateP state)
 Initialize the algorithm, read parameters from the system, do a sanity check.
void registerParameters (StateP state)
 Register algorithm's parameters (if any).
void bcastTermination (StateP)
 Parallel ECF: broadcast termination to worker processes.
Public Member Functions inherited from ParallelAlgorithm
bool isParallel ()
 Is algorithm parallel (true by default for all algorithms that inherit ParallelAlgorithm class).
Public Member Functions inherited from Algorithm
std::string getName ()
 Get algorithm name. Each algorithm is uniquely identified with its name.
bool isImplicitParallel ()
 Is algorithm run in implicit parallel mode (in development, see tutorial).
virtual bool initializePopulation (StateP)
 Evaluate initial population (called by State::run before evolution starts).
virtual void read ()
virtual bool advanceGeneration (StateP state)
 Perform one generation of the algorithm on the whole population.
void evaluate (IndividualP ind)
 Helper function: evaluate an individual.
uint mutate (const std::vector< IndividualP > &pool)
 Helper function: send a vector of individuals to mutation.
uint mutate (const IndividualP victim)
 Helper function: send a single individual to mutation.
void replaceWith (IndividualP oldInd, IndividualP newInd)
 Helper function: replace an individual in current deme.
void replaceWith (uint oldIndId, IndividualP newInd)
 Helper function: replace an individual at given position in current deme.
void registerParallelParameters (StateP state)
 used only in parallel ECF
bool initializeParallel (StateP state)
 used only in parallel ECF
virtual bool advanceGeneration (StateP state)
 Parallel ECF: Perform one generation of the algorithm.
void registerParallelParameters (StateP state)
 Parallel ECF: Register parameters for implicit parallel algorithm version.
bool initializeParallel (StateP state)
 Parallel ECF: Initialize implicit parallel algorithm.
void initializeImplicit (StateP state)
 Parallel ECF: Initialize implicit parallel mode.
bool implicitParallelOperate (StateP state)
 Parallel ECF: Worker processes in implicit parallel algorithm.
void evaluate (IndividualP ind)
 Parallel ECF: evaluate an individual.
void implicitEvaluate (IndividualP ind)
 Parallel ECF: implicitly evaluate an individual (store for later evaluation in implicit parallel version).
uint mutate (const IndividualP victim)
 Parallel ECF: immediately mutate an individual.
uint mutate (const std::vector< IndividualP > &pool)
 Parallel ECF: mutate a vector of individuals.
uint implicitMutate (IndividualP ind)
 Parallel ECF: implicitly mutate an individual (store for later mutation in implicit parallel version).
void replaceWith (IndividualP oldInd, IndividualP newInd)
 Parallel ECF: replace an individual in a deme.
void replaceWith (uint oldIndId, IndividualP newInd)
 Parallel ECF: replace an individual at given position in a deme.
bool mate (IndividualP p1, IndividualP p2, IndividualP child)
 Helper function: crossover two individuals.
IndividualP copy (IndividualP source)
 Helper function: make a copy of an individual.
bool removeFrom (IndividualP victim, std::vector< IndividualP > &pool)
 Helper function: remove victim from pool of individual pointers.
bool isMember (IndividualP single, std::vector< IndividualP > &pool)
 Helper function: check if individual is in the pool.

Protected Member Functions

IndividualP performSingleTournament (DemeP deme)
Protected Member Functions inherited from Algorithm
bool registerParameter (StateP state, std::string name, voidP value, enum ECF::type T, std::string description="")
 Helper function: register a single parameter with the system.
voidP getParameterValue (StateP state, std::string name)
 Helper function: get parameter value from the system.
void storeIndividual (IndividualP)
 stores the individual (if it is consistent), resets consistency flag
void storeGenotypes (std::vector< IndividualP > &)
 adds genotypes of individuals to 'sent' repository
void setConsistency (IndividualP)
 denotes current individual as consistent
void restoreIndividuals (std::vector< uint >)
 restores individuals whose fitness is received
void restorePopulation ()
 restores inconsistent individuals to last consistent state

Protected Attributes

uint jobSize_
std::vector< IndividualP > myJob_
uint nTournament_
Protected Attributes inherited from Algorithm
DemeP activeDeme_
std::string name_
 algorithm name
bool bImplicitParallel_
 implicit parallel flag
std::vector< SelectionOperatorP > selectionOp
 sel. operators used by algorithm
std::vector< IndividualP > requests_
std::vector< IndividualP > stored_
 individual vectors for implicit evaluation
std::vector< uint > requestIds_
 individual indexes for implicit evaluation
std::vector< IndividualP > demeCopy_
std::vector< IndividualP > myJob_
 worker's individual vector
CommunicatorP comm_
uint jobSize_
uint totalEvaluations_
uint wastedEvaluations_
bool bImplicitEvaluation_
 implicit evaluation flag
bool bImplicitMutation_
 implicit mutation flag
bool bSynchronized_
 is implicit paralelization synchronous
SelectionOperatorP selBestOp
std::vector< IndividualP > requestsMut_
std::vector< IndividualP > receivedMut_
 individual vectors for implicit mutation
std::vector< uint > requestMutIds_
 individual indexes for implicit mutation
IndividualP currentBest_
std::vector< IndividualP > storedInds_
std::vector< std::vector< IndividualP > > sentInds_
 individuals sent for evaluation
std::vector< bool > isConsistent_
 is individual (genotype-fitness pair) consistent

Additional Inherited Members

Public Attributes inherited from Algorithm
CrossoverP crossover_
 sptr to container of crossover operators (set by the system)
MutationP mutation_
 sptr to container of mutation operators (set by the system)
EvaluateOpP evalOp_
 sptr to evaluation operator (set by the system)
StateP state_

Detailed Description

Asynchronous elimination global parallel algorithm.

Definition at line 11 of file AlgAEliGPEA.h.

Constructor & Destructor Documentation

◆ AlgAEliGpea()

AlgAEliGpea::AlgAEliGpea ( )

Definition at line 12 of file AlgAEliGPEA.cpp.

Member Function Documentation

◆ advanceGeneration()

bool AlgAEliGpea::advanceGeneration ( StateP state,
DemeP deme )
virtual

Perform a single generation on a single deme.

Must be implemented by a specific algorithm class

Implements Algorithm.

Definition at line 73 of file AlgAEliGPEA.cpp.

◆ bcastTermination()

void AlgAEliGpea::bcastTermination ( StateP state)
virtual

Parallel ECF: broadcast termination to worker processes.

Reimplemented from Algorithm.

Definition at line 146 of file AlgAEliGPEA.cpp.

◆ initialize()

bool AlgAEliGpea::initialize ( StateP state)
virtual

Initialize the algorithm, read parameters from the system, do a sanity check.

Called by the system before the algorithm starts (Algorithm::advanceGeneration)

Reimplemented from Algorithm.

Definition at line 30 of file AlgAEliGPEA.cpp.

◆ performSingleTournament()

IndividualP AlgAEliGpea::performSingleTournament ( DemeP deme)
protected

Definition at line 53 of file AlgAEliGPEA.cpp.

◆ registerParameters()

void AlgAEliGpea::registerParameters ( StateP state)
virtual

Register algorithm's parameters (if any).

Called by the system before algorithm initialization (Algorithm::initialize)

Reimplemented from Algorithm.

Definition at line 20 of file AlgAEliGPEA.cpp.

Member Data Documentation

◆ jobSize_

uint AlgAEliGpea::jobSize_
protected

Definition at line 21 of file AlgAEliGPEA.h.

◆ myJob_

std::vector<IndividualP> AlgAEliGpea::myJob_
protected

Definition at line 22 of file AlgAEliGPEA.h.

◆ nTournament_

uint AlgAEliGpea::nTournament_
protected

Definition at line 23 of file AlgAEliGPEA.h.


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