Class MonteCarloLogisticSolver

java.lang.Object

solvers.queueingnet.QNSolver

solvers.queueingnet.montecarloLogistic.solver.MonteCarloLogisticSolver

All Implemented Interfaces:

QNSolverInterface

public class MonteCarloLogisticSolver
extends QNSolver

Monte Carlo logistic regression solver of JMVA, used for large models where the exact algorithms become too expensive.

Field Summary

Fields inherited from class QNSolver

G, memUsage, qnm, totalTimer

Constructor Summary

Constructors

Constructor	Description
MonteCarloLogisticSolver(QNModel qnm)
MonteCarloLogisticSolver(QNModel qnm, double epsilon, int max_samples, int precision, int nthread)

Method Summary

Modifier and Type	Method	Description
void	computeNormalisingConstant()	Computes the normalising constant for the specified QNModel.
void	computePerformanceMeasures()	Computes and stores the performance measures (mean throughputs and mean queue lengths for the current model.
BigDecimal	getNormalisingConstantAsBigDecimal()
double[]	getStatPoint()
void	printTimeStatistics()	Prints the time needed for the solver object to evaluate the network.
void	printWelcome()	Prints a short welcome message that says which solver is used.

Methods inherited from class QNSolver

getNormalisingConstant, printMemUsage

Methods inherited from class Object

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

Constructor Details

MonteCarloLogisticSolver

public MonteCarloLogisticSolver(QNModel qnm,
 double epsilon,
 int max_samples,
 int precision,
 int nthread)
                         throws InternalErrorException

Throws:

InternalErrorException

MonteCarloLogisticSolver

public MonteCarloLogisticSolver(QNModel qnm)
                         throws InternalErrorException

Throws:

InternalErrorException

Method Details

printWelcome

public void printWelcome()

Description copied from class: QNSolver

Prints a short welcome message that says which solver is used.

Specified by:

printWelcome in interface QNSolverInterface

Overrides:

printWelcome in class QNSolver

computeNormalisingConstant

public void computeNormalisingConstant()
                                throws InternalErrorException

Description copied from class: QNSolver

Computes the normalising constant for the specified QNModel.

Specified by:

computeNormalisingConstant in interface QNSolverInterface

Overrides:

computeNormalisingConstant in class QNSolver

Throws:

InternalErrorException - * @throws InternalErrorException An exception is thrown if any internal error is encountered during computations.

getNormalisingConstantAsBigDecimal

public BigDecimal getNormalisingConstantAsBigDecimal()
                                              throws InternalErrorException

Throws:

InternalErrorException

computePerformanceMeasures

public void computePerformanceMeasures()
                                throws InternalErrorException

Description copied from class: QNSolver

Computes and stores the performance measures (mean throughputs and mean queue lengths for the current model.

Specified by:

computePerformanceMeasures in interface QNSolverInterface

Overrides:

computePerformanceMeasures in class QNSolver

Throws:

InternalErrorException - Thrown when any computation fails

getStatPoint

public double[] getStatPoint()

printTimeStatistics

public void printTimeStatistics()

Description copied from class: QNSolver

Prints the time needed for the solver object to evaluate the network.

Specified by:

printTimeStatistics in interface QNSolverInterface

Overrides:

printTimeStatistics in class QNSolver