The master process for simultaneous/combined fits. More...

#include <LauSimFitMaster.hh>

Inheritance diagram for LauSimFitMaster:

Public Member Functions
	LauSimFitMaster (UInt_t numSlaves, UInt_t port=9090)
	Constructor. More...

virtual	~LauSimFitMaster ()
	Destructor. More...

void	runSimFit (const TString &fitNtupleFileName, const UInt_t nExp, const UInt_t firstExp=0, const Bool_t useAsymmErrors=kFALSE, const Bool_t doTwoStageFit=kFALSE)
	Run the fit. More...

virtual void	withinAsymErrorCalc (const Bool_t inAsymErrCalc)
	Mark that the fit is calculating asymmetric errors. More...

virtual void	setParsFromMinuit (Double_t *par, Int_t npar)
	This function sets the parameter values from Minuit. More...

virtual Double_t	getTotNegLogLikelihood ()
	Calculate the new value of the negative log likelihood. More...

Public Member Functions inherited from LauFitObject
virtual	~LauFitObject ()
	Destructor. More...

void	useAsymmFitErrors (Bool_t useAsymmErrors)
	Turn on or off the computation of asymmetric errors (e.g. MINOS routine in Minuit) More...

Bool_t	useAsymmFitErrors () const
	Report whether or not calculation of asymmetric errors is enabled. More...

void	twoStageFit (Bool_t doTwoStageFit)
	Turn on or off the two stage fit. More...

Bool_t	twoStageFit () const
	Report whether the two-stage fit is enabled. More...

Bool_t	withinAsymErrorCalc () const
	Query whether the fit is calculating the asymmetric errors. More...

void	setNExpts (UInt_t nExperiments, UInt_t firstExperiment=0)
	Set the number of experiments and the first experiment. More...

UInt_t	eventsPerExpt () const
	Obtain the total number of events in the current experiment. More...

UInt_t	nExpt () const
	Obtain the number of experiments. More...

UInt_t	firstExpt () const
	Obtain the number of the first experiment. More...

UInt_t	iExpt () const
	Obtain the number of the current experiment. More...

virtual void	addConstraint (const TString &formula, const std::vector< TString > &pars, const Double_t mean, const Double_t width)
	Store constraint information for fit parameters. More...

Protected Member Functions
void	printParInfo () const
	Print information on the parameters. More...

void	initialise ()
	Initialise. More...

void	initSockets ()
	Initialise socket connections for the slaves. More...

void	getParametersFromSlaves ()
	Determine/update the parameter initial values from all slaves. More...

void	getParametersFromSlavesFirstTime ()
	Determine the parameter names and initial values from all slaves. More...

void	updateParametersFromSlaves ()
	Update and verify the parameter initial values from all slaves. More...

void	checkParameter (const LauParameter *param, UInt_t index) const
	Check for compatibility between two same-named parameters, which should therefore be identical. More...

void	addConParameters ()
	Add parameters to the list of Gaussian constrained parameters. More...

Double_t	getLogLikelihoodPenalty ()
	Calculate the penalty terms to the log likelihood from Gaussian constraints. More...

Bool_t	readData ()
	Instruct the slaves to read the input data for the given experiment. More...

Bool_t	cacheInputData ()
	Instruct the slaves to perform the caching. More...

void	fitExpt ()
	Perform the fit for the current experiment. More...

void	checkInitFitParams ()
	Instruct the slaves to update the initial fit parameter values, if required. More...

Bool_t	finalise ()
	Return the final parameters to the slaves and instruct them to perform their finalisation. More...

Bool_t	writeOutResults ()
	Instruct the slaves to write out the fit results. More...

Protected Member Functions inherited from LauFitObject
	LauFitObject ()
	Constructor. More...

const std::vector < StoreConstraints > &	constraintsStore () const
	Const access to the constraints store. More...

std::vector< StoreConstraints > &	constraintsStore ()
	Access to the constraints store. More...

void	resetFitCounters ()
	Reset the good/bad fit counters. More...

void	setCurrentExperiment (const UInt_t curExpt)
	Set the ID of the current experiment. More...

void	startNewFit (const UInt_t nPars, const UInt_t nFreePars)
	Indicate the start of a new fit. More...

void	eventsPerExpt (UInt_t nEvents)
	Set the number of events in the current experiment. More...

Double_t	worstLogLike () const
	Access the worst log likelihood found so far. More...

void	worstLogLike (const Double_t newWorstLogLike)
	Set a new value for the worst log likelihood. More...

void	storeFitStatus (const LauAbsFitter::FitStatus &status, const TMatrixD &covMatrix)
	Store fit status information. More...

UInt_t	nTotParams () const
	Access the total number of fit parameters. More...

UInt_t	nFreeParams () const
	Access the total number of fit parameters. More...

const LauAbsFitter::FitStatus &	fitStatus () const
	Access the fit status information. More...

Double_t	nll () const
	Access the current NLL value. More...

Double_t	edm () const
	Access the current EDM value. More...

Int_t	statusCode () const
	Access the fit status code. More...

const TMatrixD &	covarianceMatrix () const
	Access the fit covariance matrix. More...

UInt_t	numberOKFits () const
	Access the number of successful fits. More...

UInt_t	numberBadFits () const
	Access the number of failed fits. More...

Private Member Functions
	LauSimFitMaster (const LauSimFitMaster &rhs)
	Copy constructor (not implemented) More...

LauSimFitMaster &	operator= (const LauSimFitMaster &rhs)
	Copy assignment operator (not implemented) More...

	ClassDef (LauSimFitMaster, 0)

Private Attributes
std::vector< StoreConstraints >	storeCon_
	Store the constraints for fit parameters until initialisation is complete. More...

const UInt_t	nSlaves_
	The number of slaves. More...

const UInt_t	reqPort_
	The requested port. More...

std::vector< TMatrixD >	covMatrices_
	The covariance sub-matrices for each slave. More...

TMonitor *	socketMonitor_
	Parallel setup monitor. More...

std::vector< TSocket * >	sSlaves_
	Sockets for each of the slaves. More...

std::vector< TMessage * >	messagesToSlaves_
	Messages to slaves. More...

TMessage *	messageFromSlave_
	Message from slaves to the master. More...

std::map< TString, UInt_t >	parIndices_
	Map of parameter names to index in the values vector. More...

std::map< UInt_t, TString >	parNames_
	Reverse map of index in the values vector to parameter names. More...

std::vector< LauParameter * >	params_
	Parameters. More...

std::vector< LauAbsRValue * >	conVars_
	Gaussian constraints. More...

std::vector< Double_t >	parValues_
	Parameter values. More...

std::vector< std::vector < UInt_t > >	slaveIndices_
	Lists of indices for each slave. More...

std::vector< std::vector < UInt_t > >	slaveFreeIndices_
	Lists of indices of free parameters for each slave. More...

std::vector< Double_t * >	vectorPar_
	Parameter values to send to the slaves. More...

std::vector< Double_t >	vectorRes_
	Likelihood values returned from the slaves. More...

TStopwatch	timer_
	The fit timer. More...

TStopwatch	cumulTimer_
	The total fit timer. More...

LauFitNtuple *	fitNtuple_
	The fit results ntuple. More...

Detailed Description

The master process for simultaneous/combined fits.

Implementation of the JFit method described in arXiv:1409.5080 [physics.data-an].

This class acts as the interface between the slave processes and the minimiser.

Definition at line 43 of file LauSimFitMaster.hh.

Constructor & Destructor Documentation

LauSimFitMaster::LauSimFitMaster	(	UInt_t	numSlaves,
		UInt_t	port = `9090`
	)

Constructor.

Parameters

[in]	numSlaves	the number of slaves processes to expect connections from
[in]	port	the port on which to listen for connections from the slaves

Definition at line 41 of file LauSimFitMaster.cc.

LauSimFitMaster::~LauSimFitMaster ( )

virtual

Destructor.

Definition at line 54 of file LauSimFitMaster.cc.

LauSimFitMaster::LauSimFitMaster ( const LauSimFitMaster & rhs )

private

Copy constructor (not implemented)

Member Function Documentation

void LauSimFitMaster::addConParameters ( )

protected

Add parameters to the list of Gaussian constrained parameters.

Definition at line 777 of file LauSimFitMaster.cc.

Bool_t LauSimFitMaster::cacheInputData ( )

protected

Instruct the slaves to perform the caching.

Returns: success/failure of the caching operations

Definition at line 577 of file LauSimFitMaster.cc.

void LauSimFitMaster::checkInitFitParams ( )

protected

Instruct the slaves to update the initial fit parameter values, if required.

Definition at line 620 of file LauSimFitMaster.cc.

void LauSimFitMaster::checkParameter	(	const LauParameter *	param,
		UInt_t	index
	)		const

protected

Check for compatibility between two same-named parameters, which should therefore be identical.

Definition at line 386 of file LauSimFitMaster.cc.

LauSimFitMaster::ClassDef	(	LauSimFitMaster	,
		0
	)

private

Bool_t LauSimFitMaster::finalise ( )

protected

Return the final parameters to the slaves and instruct them to perform their finalisation.

Definition at line 821 of file LauSimFitMaster.cc.

void LauSimFitMaster::fitExpt ( )

protected

Perform the fit for the current experiment.

Definition at line 626 of file LauSimFitMaster.cc.

Double_t LauSimFitMaster::getLogLikelihoodPenalty ( )

protected

Calculate the penalty terms to the log likelihood from Gaussian constraints.

Definition at line 761 of file LauSimFitMaster.cc.

void LauSimFitMaster::getParametersFromSlaves ( )

protected

Determine/update the parameter initial values from all slaves.

Definition at line 201 of file LauSimFitMaster.cc.

void LauSimFitMaster::getParametersFromSlavesFirstTime ( )

protected

Determine the parameter names and initial values from all slaves.

Definition at line 288 of file LauSimFitMaster.cc.

Double_t LauSimFitMaster::getTotNegLogLikelihood ( )

virtual

Calculate the new value of the negative log likelihood.

This function has to be public since it is called from the global FCN. It should not be called otherwise!

Implements LauFitObject.

Definition at line 696 of file LauSimFitMaster.cc.

void LauSimFitMaster::initialise ( )

protected

Initialise.

Definition at line 411 of file LauSimFitMaster.cc.

void LauSimFitMaster::initSockets ( )

protected

Initialise socket connections for the slaves.

Definition at line 99 of file LauSimFitMaster.cc.

LauSimFitMaster& LauSimFitMaster::operator= ( const LauSimFitMaster & rhs )

private

Copy assignment operator (not implemented)

void LauSimFitMaster::printParInfo ( ) const

protected

Print information on the parameters.

Definition at line 363 of file LauSimFitMaster.cc.

Bool_t LauSimFitMaster::readData ( )

protected

Instruct the slaves to read the input data for the given experiment.

Returns: success/failure of the reading operations

Definition at line 530 of file LauSimFitMaster.cc.

void LauSimFitMaster::runSimFit	(	const TString &	fitNtupleFileName,
		const UInt_t	nExp,
		const UInt_t	firstExp = `0`,
		const Bool_t	useAsymmErrors = `kFALSE`,
		const Bool_t	doTwoStageFit = `kFALSE`
	)

Run the fit.

Parameters

[in]	fitNtupleFileName	the file to which the ntuple containing the fit results should be written
[in]	nExp	the number of experiments to be fitted
[in]	firstExp	the ID of the first experiment to be fitted
[in]	useAsymmErrors	should asymmetric errors be calculated or not
[in]	doTwoStageFit	should the fit be performed in two stages or not

Definition at line 416 of file LauSimFitMaster.cc.

void LauSimFitMaster::setParsFromMinuit	(	Double_t *	par,
		Int_t	npar
	)

virtual

This function sets the parameter values from Minuit.

This function has to be public since it is called from the global FCN. It should not be called otherwise!

Parameters

[in]	par	an array storing the various parameter values
[in]	npar	the number of free parameters

Implements LauFitObject.

Definition at line 666 of file LauSimFitMaster.cc.

void LauSimFitMaster::updateParametersFromSlaves ( )

protected

Update and verify the parameter initial values from all slaves.

Definition at line 218 of file LauSimFitMaster.cc.

void LauSimFitMaster::withinAsymErrorCalc ( const Bool_t inAsymErrCalc )

virtual

Mark that the fit is calculating asymmetric errors.

This function has to be public since it is called by the fitter interface to mark when entering and exiting the asymmetric error calculation. It should not be called otherwise!

Parameters

[in] inAsymErrCalc boolean marking that the fit is calculating the asymmetric errors

Reimplemented from LauFitObject.

Definition at line 486 of file LauSimFitMaster.cc.

Bool_t LauSimFitMaster::writeOutResults ( )

protected

Instruct the slaves to write out the fit results.

Definition at line 989 of file LauSimFitMaster.cc.

Member Data Documentation

std::vector<LauAbsRValue*> LauSimFitMaster::conVars_

private

Gaussian constraints.

Definition at line 191 of file LauSimFitMaster.hh.

std::vector<TMatrixD> LauSimFitMaster::covMatrices_

private

The covariance sub-matrices for each slave.

Definition at line 167 of file LauSimFitMaster.hh.

TStopwatch LauSimFitMaster::cumulTimer_

private

The total fit timer.

Definition at line 212 of file LauSimFitMaster.hh.

LauFitNtuple* LauSimFitMaster::fitNtuple_

private

The fit results ntuple.

Definition at line 215 of file LauSimFitMaster.hh.

TMessage* LauSimFitMaster::messageFromSlave_

private

Message from slaves to the master.

Definition at line 179 of file LauSimFitMaster.hh.

std::vector<TMessage*> LauSimFitMaster::messagesToSlaves_

private

Messages to slaves.

Definition at line 176 of file LauSimFitMaster.hh.

const UInt_t LauSimFitMaster::nSlaves_

private

The number of slaves.

Definition at line 161 of file LauSimFitMaster.hh.

std::vector<LauParameter*> LauSimFitMaster::params_

private

Parameters.

Definition at line 188 of file LauSimFitMaster.hh.

std::map< TString, UInt_t > LauSimFitMaster::parIndices_

private

Map of parameter names to index in the values vector.

Definition at line 182 of file LauSimFitMaster.hh.

std::map< UInt_t, TString > LauSimFitMaster::parNames_

private

Reverse map of index in the values vector to parameter names.

Definition at line 185 of file LauSimFitMaster.hh.

std::vector<Double_t> LauSimFitMaster::parValues_

private

Parameter values.

Definition at line 194 of file LauSimFitMaster.hh.

const UInt_t LauSimFitMaster::reqPort_

private

The requested port.

Definition at line 164 of file LauSimFitMaster.hh.

std::vector< std::vector<UInt_t> > LauSimFitMaster::slaveFreeIndices_

private

Lists of indices of free parameters for each slave.

Definition at line 200 of file LauSimFitMaster.hh.

std::vector< std::vector<UInt_t> > LauSimFitMaster::slaveIndices_

private

Lists of indices for each slave.

Definition at line 197 of file LauSimFitMaster.hh.

TMonitor* LauSimFitMaster::socketMonitor_

private

Parallel setup monitor.

Definition at line 170 of file LauSimFitMaster.hh.

std::vector<TSocket*> LauSimFitMaster::sSlaves_

private

Sockets for each of the slaves.

Definition at line 173 of file LauSimFitMaster.hh.

std::vector<StoreConstraints> LauSimFitMaster::storeCon_

private

Store the constraints for fit parameters until initialisation is complete.

Definition at line 158 of file LauSimFitMaster.hh.

TStopwatch LauSimFitMaster::timer_

private

The fit timer.

Definition at line 209 of file LauSimFitMaster.hh.

std::vector<Double_t*> LauSimFitMaster::vectorPar_

private

Parameter values to send to the slaves.

Definition at line 203 of file LauSimFitMaster.hh.

std::vector<Double_t> LauSimFitMaster::vectorRes_

private

Likelihood values returned from the slaves.

Definition at line 206 of file LauSimFitMaster.hh.

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

inc/LauSimFitMaster.hh
src/LauSimFitMaster.cc

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation