A class that implements a search for prime numbers. More...

#include <src/CPUCruncher.h>

Inheritance diagram for CPUCruncher:

Collaboration diagram for CPUCruncher:

Public Types
typedef tbb::concurrent_hash_map< std::string, unsigned int >	CHM

Public Types inherited from CommonMessaging< BASE >
using	base_class = CommonMessaging

using	base_class = CommonMessaging

Public Member Functions
virtual StatusCode	execute ()
	the execution of the algorithm More...

virtual StatusCode	initialize ()
	Its initialization. More...

virtual StatusCode	finalize ()
	the finalization of the algorithm More...

virtual const std::vector< std::string >	get_inputs ()
	Get the inputs. More...

virtual const std::vector< std::string >	get_outputs ()
	Get the outputs. More...

double	get_runtime () const

Public Member Functions inherited from GaudiAlgorithm
StatusCode	initialize () override
	standard initialization method More...

StatusCode	execute () override
	standard execution method More...

StatusCode	finalize () override
	standard finalization method More...

StatusCode	sysExecute () override
	the generic actions for the execution. More...

void	put (IDataProviderSvc svc, DataObject object, const std::string &address, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store. More...

void	put (DataObject *object, const std::string &address, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	get (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getIfExists (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	get (const std::string &location, const bool useRootInTES=true) const
	Templated access to the data from Gaudi Event Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getIfExists (const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

template<class TYPE >
TYPE *	getDet (IDataProviderSvc *svc, const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getDetIfExists (IDataProviderSvc *svc, const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
TYPE *	getDet (const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getDetIfExists (const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
bool	exist (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store. More...

template<class TYPE >
bool	exist (const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store. More...

template<class TYPE >
bool	existDet (IDataProviderSvc *svc, const std::string &location) const
	Check the existence of detector objects in the Gaudi Transient Detector Store. More...

template<class TYPE >
bool	existDet (const std::string &location) const
	Check the existence of detector objects in the Gaudi Transient Detector Store. More...

template<class TYPE , class TYPE2 >
Gaudi::Utils::GetData< TYPE >::return_type	getOrCreate (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store. More...

template<class TYPE , class TYPE2 >
Gaudi::Utils::GetData< TYPE >::return_type	getOrCreate (const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store. More...

	GaudiAlgorithm (const std::string &name, ISvcLocator *pSvcLocator)
	Standard constructor (protected) More...

	~GaudiAlgorithm () override=default
	destructor, virtual and protected More...

SmartIF< INTupleSvc > &	evtColSvc () const
	Access the standard event collection service. More...

	GaudiAlgorithm (const GaudiAlgorithm &)=delete

GaudiAlgorithm &	operator= (const GaudiAlgorithm &)=delete

StatusCode	initialize () override
	standard initialization method More...

StatusCode	execute () override
	standard execution method More...

StatusCode	finalize () override
	standard finalization method More...

StatusCode	sysExecute () override
	the generic actions for the execution. More...

void	put (IDataProviderSvc svc, DataObject object, const std::string &address, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store. More...

void	put (DataObject *object, const std::string &address, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	get (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getIfExists (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	get (const std::string &location, const bool useRootInTES=true) const
	Templated access to the data from Gaudi Event Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getIfExists (const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

template<class TYPE >
TYPE *	getDet (IDataProviderSvc *svc, const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getDetIfExists (IDataProviderSvc *svc, const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
TYPE *	getDet (const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
Gaudi::Utils::GetData< TYPE >::return_type	getDetIfExists (const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store. More...

template<class TYPE >
bool	exist (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store. More...

template<class TYPE >
bool	exist (const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store. More...

template<class TYPE >
bool	existDet (IDataProviderSvc *svc, const std::string &location) const
	Check the existence of detector objects in the Gaudi Transient Detector Store. More...

template<class TYPE >
bool	existDet (const std::string &location) const
	Check the existence of detector objects in the Gaudi Transient Detector Store. More...

template<class TYPE , class TYPE2 >
Gaudi::Utils::GetData< TYPE >::return_type	getOrCreate (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store. More...

template<class TYPE , class TYPE2 >
Gaudi::Utils::GetData< TYPE >::return_type	getOrCreate (const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store. More...

	GaudiAlgorithm (const std::string &name, ISvcLocator *pSvcLocator)
	Standard constructor (protected) More...

	~GaudiAlgorithm () override=default
	destructor, virtual and protected More...

SmartIF< INTupleSvc > &	evtColSvc () const
	Access the standard event collection service. More...

	GaudiAlgorithm (const GaudiAlgorithm &)=delete

GaudiAlgorithm &	operator= (const GaudiAlgorithm &)=delete

Public Member Functions inherited from GaudiCommon< Algorithm >
Gaudi::Utils::GetData< TYPE >::return_type	get (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

Gaudi::Utils::GetData< TYPE >::return_type	get (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store. More...

Gaudi::Utils::GetData< TYPE >::return_type	getIfExists (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Quicker version of the get function which bypasses the check on the retrieved data. More...

Gaudi::Utils::GetData< TYPE >::return_type	getIfExists (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Quicker version of the get function which bypasses the check on the retrieved data. More...

bool	exist (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store. More...

bool	exist (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store. More...

Gaudi::Utils::GetData< TYPE >::return_type	getOrCreate (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store. More...

Gaudi::Utils::GetData< TYPE >::return_type	getOrCreate (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store. More...

DataObject *	put (IDataProviderSvc svc, DataObject object, const std::string &location, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store. More...

DataObject *	put (IDataProviderSvc svc, DataObject object, const std::string &location, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store. More...

TOOL *	tool (const std::string &type, const std::string &name, const IInterface *parent=0, bool create=true) const
	Useful method for the easy location of tools. More...

TOOL *	tool (const std::string &type, const IInterface *parent=0, bool create=true) const
	A useful method for the easy location of tools. More...

TOOL *	tool (const std::string &type, const std::string &name, const IInterface *parent=0, bool create=true) const
	Useful method for the easy location of tools. More...

TOOL *	tool (const std::string &type, const IInterface *parent=0, bool create=true) const
	A useful method for the easy location of tools. More...

SmartIF< SERVICE >	svc (const std::string &name, const bool create=true) const
	A useful method for the easy location of services. More...

SmartIF< SERVICE >	svc (const std::string &name, const bool create=true) const
	A useful method for the easy location of services. More...

IUpdateManagerSvc *	updMgrSvc () const
	Short-cut to locate the Update Manager Service. More...

IUpdateManagerSvc *	updMgrSvc () const
	Short-cut to locate the Update Manager Service. More...

StatusCode	Error (const std::string &msg, const StatusCode st=StatusCode::FAILURE, const size_t mx=10) const
	Print the error message and return with the given StatusCode. More...

StatusCode	Error (const std::string &msg, const StatusCode st=StatusCode::FAILURE, const size_t mx=10) const
	Print the error message and return with the given StatusCode. More...

StatusCode	Warning (const std::string &msg, const StatusCode st=StatusCode::FAILURE, const size_t mx=10) const
	Print the warning message and return with the given StatusCode. More...

StatusCode	Warning (const std::string &msg, const StatusCode st=StatusCode::FAILURE, const size_t mx=10) const
	Print the warning message and return with the given StatusCode. More...

StatusCode	Info (const std::string &msg, const StatusCode st=StatusCode::SUCCESS, const size_t mx=10) const
	Print the info message and return with the given StatusCode. More...

StatusCode	Info (const std::string &msg, const StatusCode st=StatusCode::SUCCESS, const size_t mx=10) const
	Print the info message and return with the given StatusCode. More...

StatusCode	Print (const std::string &msg, const StatusCode st=StatusCode::SUCCESS, const MSG::Level lev=MSG::INFO) const
	Print the message and return with the given StatusCode. More...

StatusCode	Print (const std::string &msg, const StatusCode st=StatusCode::SUCCESS, const MSG::Level lev=MSG::INFO) const
	Print the message and return with the given StatusCode. More...

void	Assert (const bool ok, const std::string &message="", const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Assertion - throw exception if the given condition is not fulfilled. More...

void	Assert (const bool ok, const char *message, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Assertion - throw exception if the given condition is not fulfilled. More...

void	Assert (const bool ok, const std::string &message="", const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Assertion - throw exception if the given condition is not fulfilled. More...

void	Assert (const bool ok, const char *message, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Assertion - throw exception if the given condition is not fulfilled. More...

void	Exception (const std::string &msg, const GaudiException &exc, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and (re)-throw a given GaudiException. More...

void	Exception (const std::string &msg, const std::exception &exc, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and (re)-throw a given exception. More...

void	Exception (const std::string &msg="no message", const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and throw an exception with the given message. More...

void	Exception (const std::string &msg, const GaudiException &exc, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and (re)-throw a given GaudiException. More...

void	Exception (const std::string &msg, const std::exception &exc, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and (re)-throw a given exception. More...

void	Exception (const std::string &msg="no message", const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and throw an exception with the given message. More...

const Statistics &	counters () const
	accessor to all counters More...

const Statistics &	counters () const
	accessor to all counters More...

StatEntity &	counter (const std::string &tag) const
	accessor to certain counter by name More...

StatEntity &	counter (const std::string &tag) const
	accessor to certain counter by name More...

void	resetMsgStream () const

void	resetMsgStream () const

bool	typePrint () const
	Insert the actual C++ type of the algorithm/tool in the messages ? More...

bool	typePrint () const
	Insert the actual C++ type of the algorithm/tool in the messages ? More...

bool	propsPrint () const
	Print properties at initialization ? More...

bool	propsPrint () const
	Print properties at initialization ? More...

bool	statPrint () const
	Print statistical counters at finalization ? More...

bool	statPrint () const
	Print statistical counters at finalization ? More...

bool	errorsPrint () const
	Print error counters at finalization ? More...

bool	errorsPrint () const
	Print error counters at finalization ? More...

long	printStat (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of statistical counters More...

long	printStat (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of statistical counters More...

long	printErrors (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of error counters More...

long	printErrors (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of error counters More...

long	printProps (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of properties More...

long	printProps (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of properties More...

void	registerCondition (const std::string &condition, StatusCode(CallerClass::*mf)()=nullptr)
	register the current instance to the UpdateManagerSvc as a consumer for a condition. More...

void	registerCondition (const std::string &condition, CondType &condPtrDest, StatusCode(CallerClass::mf)()=NULL)
	register the current instance to the UpdateManagerSvc as a consumer for a condition. More...

void	registerCondition (char condition, StatusCode(CallerClass::mf)()=NULL)
	just to avoid conflicts with the version using a pointer to a template class. More...

void	registerCondition (TargetClass condition, StatusCode(CallerClass::mf)()=NULL)
	register the current instance to the UpdateManagerSvc as a consumer for a condition. More...

void	registerCondition (const std::string &condition, StatusCode(CallerClass::*mf)()=nullptr)
	register the current instance to the UpdateManagerSvc as a consumer for a condition. More...

void	registerCondition (const std::string &condition, CondType &condPtrDest, StatusCode(CallerClass::mf)()=NULL)
	register the current instance to the UpdateManagerSvc as a consumer for a condition. More...

void	registerCondition (char condition, StatusCode(CallerClass::mf)()=NULL)
	just to avoid conflicts with the version using a pointer to a template class. More...

void	registerCondition (TargetClass condition, StatusCode(CallerClass::mf)()=NULL)
	register the current instance to the UpdateManagerSvc as a consumer for a condition. More...

StatusCode	runUpdate ()
	asks the UpdateManagerSvc to perform an update of the instance (if needed) without waiting the next BeginEvent incident. More...

StatusCode	runUpdate ()
	asks the UpdateManagerSvc to perform an update of the instance (if needed) without waiting the next BeginEvent incident. More...

	GaudiCommon (const std::string &name, ISvcLocator *pSvcLocator)
	Algorithm constructor. More...

	GaudiCommon (const std::string &type, const std::string &name, const IInterface *parent)
	Tool constructor. More...

	GaudiCommon (const std::string &name, ISvcLocator *pSvcLocator)
	Algorithm constructor. More...

	GaudiCommon (const std::string &type, const std::string &name, const IInterface *parent)
	Tool constructor. More...

StatusCode	initialize () override
	standard initialization method More...

StatusCode	initialize () override
	standard initialization method More...

StatusCode	finalize () override
	standard finalization method More...

StatusCode	finalize () override
	standard finalization method More...

StatusCode	release (const IInterface *interface) const
	Manual forced (and 'safe') release of the active tool or service. More...

StatusCode	release (const IInterface *interface) const
	Manual forced (and 'safe') release of the active tool or service. More...

const Services &	services () const
	get the list of aquired services More...

const Services &	services () const
	get the list of aquired services More...

const std::string &	context () const
	Returns the "context" string. Used to identify different processing states. More...

const std::string &	context () const
	Returns the "context" string. Used to identify different processing states. More...

const std::string &	rootInTES () const
	Returns the "rootInTES" string. More...

const std::string &	rootInTES () const
	Returns the "rootInTES" string. More...

double	globalTimeOffset () const
	Returns the "globalTimeOffset" double. More...

double	globalTimeOffset () const
	Returns the "globalTimeOffset" double. More...

const std::string	fullTESLocation (const std::string &location, const bool useRootInTES) const
	Returns the full correct event location given the rootInTes settings. More...

const std::string	fullTESLocation (const std::string &location, const bool useRootInTES) const
	Returns the full correct event location given the rootInTes settings. More...

Public Member Functions inherited from CommonMessaging< BASE >
	~CommonMessaging () override=default
	Virtual destructor. More...

SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service. More...

MsgStream &	msgStream () const
	Return an uninitialized MsgStream. More...

MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts. More...

MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS) More...

MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL) More...

MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING) More...

MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO) More...

MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG) More...

MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE) More...

MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO) More...

MSG::Level	msgLevel () const
	get the output level from the embedded MsgStream More...

bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

	~CommonMessaging () override=default
	Virtual destructor. More...

SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service. More...

MsgStream &	msgStream () const
	Return an uninitialized MsgStream. More...

MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts. More...

MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS) More...

MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL) More...

MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING) More...

MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO) More...

MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG) More...

MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE) More...

MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO) More...

MSG::Level	msgLevel () const
	get the output level from the embedded MsgStream More...

bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

Public Attributes
int	evtslots = 10

tuple	whiteboard

tuple	eventloopmgr

tuple	a1

tuple	a2 = CPUCruncher("A2")

tuple	a3 = CPUCruncher("A3")

tuple	a4 = CPUCruncher("A4")

string	EvtSel = 'NONE'

list	ExtSvc = [whiteboard]

	EventLoop = eventloopmgr,

list	TopAlg = [a1,a2,a3,a4]

Protected Member Functions
	CPUCruncher (const std::string &name, ISvcLocator *pSvc)

virtual	~CPUCruncher ()
	virtual & protected desctrustor More...

Protected Member Functions inherited from GaudiCommon< Algorithm >
	~GaudiCommon () override=default
	Destructor. More...

	~GaudiCommon () override=default
	Destructor. More...

StatusCode	releaseTool (const IAlgTool *tool) const
	manual forced (and 'safe') release of the tool More...

StatusCode	releaseTool (const IAlgTool *tool) const
	manual forced (and 'safe') release of the tool More...

StatusCode	releaseSvc (const IInterface *svc) const
	manual forced (and 'safe') release of the service More...

StatusCode	releaseSvc (const IInterface *svc) const
	manual forced (and 'safe') release of the service More...

Protected Member Functions inherited from CommonMessaging< BASE >
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

Private Member Functions
	CPUCruncher ()
	the default constructor is disabled More...

	CPUCruncher (const CPUCruncher &)
	the copy constructor is disabled More...

CPUCruncher &	operator= (const CPUCruncher &)
	the assignement operator is disabled More...

void	findPrimes (const unsigned long int)
	The CPU intensive function. More...

void	calibrate ()
	Calibrate. More...

long unsigned int	getNCaliIters (double)

Private Attributes
double	m_avg_runtime

double	m_var_runtime

bool	m_local_rndm_gen

bool	m_shortCalib

const uint	MAX_INPUTS = 40

const uint	MAX_OUTPUTS = 10

std::vector< DataObjectHandle< DataObject > * >	m_inputHandles

std::vector< DataObjectHandle< DataObject > * >	m_outputHandles

unsigned int	m_rwRepetitions

bool	m_sleepyExecution

Static Private Attributes
static std::vector< unsigned int >	m_niters_vect

static std::vector< double >	m_times_vect

static CHM	m_name_ncopies_map

Friends
class	AlgFactory< CPUCruncher >

Additional Inherited Members
Protected Types inherited from GaudiCommon< Algorithm >
typedef std::map< std::string, StatEntity >	Statistics
	the actual type of general counters More...

typedef std::map< std::string, StatEntity >	Statistics
	the actual type of general counters More...

typedef std::map< std::string, unsigned int >	Counter
	the actual type error/warning counter More...

typedef std::map< std::string, unsigned int >	Counter
	the actual type error/warning counter More...

typedef std::vector< IAlgTool * >	AlgTools
	storage for active tools More...

typedef std::vector< IAlgTool * >	AlgTools
	storage for active tools More...

typedef std::vector< SmartIF< IService > >	Services
	storage for active services More...

typedef std::vector< SmartIF< IService > >	Services
	storage for active services More...

Protected Attributes inherited from GaudiCommon< Algorithm >
SmartIF< ICounterSummarySvc >	m_counterSummarySvc
	a pointer to the CounterSummarySvc More...

std::vector< std::string >	m_counterList
	list of counters to declare. Set by property CounterList. This can be a regular expression. More...

std::vector< std::string >	m_statEntityList

Protected Attributes inherited from CommonMessaging< BASE >
SmartIF< IMessageSvc >	m_msgsvc
	Pointer to the message service;. More...

std::unique_ptr< MsgStream >	m_msgStream
	The predefined message stream. More...

bool	m_streamWithService = false
	Flag to create a new MsgStream if it was created without the message service. More...

Static Protected Attributes inherited from GaudiCommon< Algorithm >
static const bool	IgnoreRootInTES
	Simple definition to be used with the new useRootInTES argument get<TYPE> and put methods. More...

static const bool	UseRootInTES
	Simple definition to be used with the new useRootInTES argument get<TYPE> and put methods. More...

Detailed Description

A class that implements a search for prime numbers.

A lot of allocations are performed on purpose not to stress only the FP unit of the CPU.

Definition at line 19 of file CPUCruncher.h.

Member Typedef Documentation

typedef tbb::concurrent_hash_map<std::string,unsigned int> CPUCruncher::CHM

Definition at line 26 of file CPUCruncher.h.

Constructor & Destructor Documentation

CPUCruncher::CPUCruncher	(	const std::string &	name,
		ISvcLocator *	pSvc
	)

protected

Definition at line 18 of file CPUCruncher.cpp.

                           :
         GaudiAlgorithm(name, pSvc), m_avg_runtime(1.), m_var_runtime(.01), m_shortCalib(
                 false) {
 
     // For Concurrent run
     m_inputHandles.resize(MAX_INPUTS);
     for (uint i = 0; i < MAX_INPUTS; ++i){
         m_inputHandles[i] = new DataObjectHandle<DataObject>();
         declareInput("input_" + std::to_string(i), *m_inputHandles[i]);
     }
 
     m_outputHandles.resize(MAX_OUTPUTS);
     for (uint i = 0; i < MAX_OUTPUTS; ++i){
         m_outputHandles[i] = new DataObjectHandle<DataObject>();
         declareOutput("output_" + std::to_string(i), *m_outputHandles[i]);
     }
 
     declareProperty("avgRuntime", m_avg_runtime,
             "Average runtime of the module.");
     declareProperty("varRuntime", m_var_runtime,
             "Variance of the runtime of the module.");
     declareProperty("localRndm", m_local_rndm_gen = true,
             "Decide if the local random generator is to be used");
     declareProperty("NIterationsVect", m_niters_vect,
             "Number of iterations for the calibration.");
     declareProperty("NTimesVect", m_times_vect,
             "Number of seconds for the calibration.");
     declareProperty("shortCalib", m_shortCalib = false,
             "Enable coarse grained calibration");
     declareProperty("RwRepetitions", m_rwRepetitions = 1,
             "Increase access to the WB");
     declareProperty("SleepyExecution", m_sleepyExecution = false,
                     "Sleep during execution instead of crunching");
 
     // Register the algo in the static concurrent hash map in order to
     // monitor the # of copies
     CHM::accessor name_ninstances;
     m_name_ncopies_map.insert(name_ninstances, name);
     name_ninstances->second += 1;
 }

CPUCruncher::~CPUCruncher ( )

protectedvirtual

virtual & protected desctrustor

Definition at line 60 of file CPUCruncher.cpp.

                           {
     for (uint i = 0; i < MAX_INPUTS; ++i) {
         delete m_inputHandles[i];
     }
 
     m_outputHandles.resize(MAX_OUTPUTS);
     for (uint i = 0; i < MAX_OUTPUTS; ++i) {
         delete m_outputHandles[i];
     }
 }

CPUCruncher::CPUCruncher ( )

private

the default constructor is disabled

CPUCruncher::CPUCruncher ( const CPUCruncher & )

private

the copy constructor is disabled

Member Function Documentation

void CPUCruncher::calibrate ( )

private

Calibrate.

Definition at line 83 of file CPUCruncher.cpp.

                            {
 
   MsgStream log(msgSvc(), name());
   m_niters_vect.push_back(0);
   m_niters_vect.push_back(500);
   m_niters_vect.push_back(600);
   m_niters_vect.push_back(700);
   m_niters_vect.push_back(800);
   m_niters_vect.push_back(1000);
   m_niters_vect.push_back(1300);
   m_niters_vect.push_back(1600);
   m_niters_vect.push_back(2000);
   m_niters_vect.push_back(2300);
   m_niters_vect.push_back(2600);
   m_niters_vect.push_back(3000);
   m_niters_vect.push_back(3300);
   m_niters_vect.push_back(3500);
   m_niters_vect.push_back(3900);
   m_niters_vect.push_back(4200);
   m_niters_vect.push_back(5000);
   m_niters_vect.push_back(6000);
   m_niters_vect.push_back(8000);
   m_niters_vect.push_back(10000);
   m_niters_vect.push_back(12000);
   m_niters_vect.push_back(15000);
   m_niters_vect.push_back(17000);
   m_niters_vect.push_back(20000);
   m_niters_vect.push_back(25000);
   m_niters_vect.push_back(30000);
   m_niters_vect.push_back(35000);
   m_niters_vect.push_back(40000);
   m_niters_vect.push_back(60000);
   if (!m_shortCalib){
     m_niters_vect.push_back(100000);
     m_niters_vect.push_back(200000);
     }
 
 
   m_times_vect.resize(m_niters_vect.size());
   m_times_vect[0]=0.;
 
 
   log << MSG::INFO << "Starting calibration..." << endmsg;
   for (unsigned int i=1;i<m_niters_vect.size();++i){
    unsigned long niters=m_niters_vect[i];
    unsigned int trials = 30;
    do{
     auto start_cali=tbb::tick_count::now();
     findPrimes(niters);
     auto stop_cali=tbb::tick_count::now();
     double deltat = (stop_cali-start_cali).seconds();
     m_times_vect[i]=deltat;
     log << MSG::DEBUG << "Calibration: # iters = " << niters << " => " << deltat << endmsg;
     trials--;
     } while(trials > 0 and m_times_vect[i]<m_times_vect[i-1]); // make sure that they are monotonic
    }
    log << MSG::INFO << "Calibration finished!" << endmsg;
 }

StatusCode CPUCruncher::execute ( )

virtual

the execution of the algorithm

Definition at line 234 of file CPUCruncher.cpp.

 {
 
   MsgStream logstream(msgSvc(), name());
 
   if (m_sleepyExecution) {
     logstream  << MSG::DEBUG << "Going to dream for: "<< m_avg_runtime << endmsg;
     std::chrono::duration<double> dreamtime( m_avg_runtime );
 
     tbb::tick_count starttbb=tbb::tick_count::now();
     std::this_thread::sleep_for(dreamtime);
     tbb::tick_count endtbb=tbb::tick_count::now();
     // actual sleeping time can be longer due to scheduling or resource contention delays
     const double actualDreamTime=(endtbb-starttbb).seconds();
 
     logstream  << MSG::DEBUG << "Actual dreaming time was: "<< actualDreamTime << "s" << endmsg;
 
     return StatusCode::SUCCESS;
   }
 
   float runtime;
 
   if (m_local_rndm_gen){
   /* This will disappear with a thread safe random number generator svc
    * Use box mueller to generate gaussian randoms
    * The quality is not good for in depth study given that the generator is a
    * linear congruent.
    * Throw away basically a free number: we are in a cpu cruncher after all.
    * The seed is taken from the clock, but we could assign a seed per module to
    * ensure reproducibility.
    *
    * This is not an overkill but rather an exercise towards a thread safe
    * random number generation.
    */
 
   auto getGausRandom = [] (double mean, double sigma) -> double {
 
     unsigned int seed = std::clock();
 
     auto getUnifRandom = [] (unsigned int & seed) ->double {
       // from numerical recipies
       constexpr unsigned int m = 232;
       constexpr unsigned int a = 1664525;
       constexpr unsigned int c = 1013904223;
       seed = (a * seed + c) % m;
       const double unif = double(seed) / m;
       return unif;
       };
 
     const double unif1 = getUnifRandom(seed);
     const double unif2 = getUnifRandom(seed);
     const double normal = sqrt(-2.*log(unif1))*cos(2*M_PI*unif2);
     return normal*sigma + mean;
     };
     runtime = fabs(getGausRandom( m_avg_runtime , m_var_runtime ));
     //End Of temp block
   } else {
     // Should be a member.
     HiveRndm::HiveNumbers rndmgaus(randSvc(), Rndm::Gauss( m_avg_runtime , m_var_runtime ));
     runtime = std::fabs(rndmgaus());
   }
 
   tbb::tick_count starttbb=tbb::tick_count::now();
   logstream  << MSG::DEBUG << "Runtime will be: "<< runtime << endmsg;
   if (getContext())
     logstream  << MSG::DEBUG << "Start event " <<  getContext()->evt()
            << " in slot " << getContext()->slot()
            << " on pthreadID " << std::hex << pthread_self() << std::dec
            << endmsg;
 
   for (auto & inputHandle: m_inputHandles){
       if(!inputHandle->isValid())
         continue;
 
     DataObject* obj = nullptr;
     for (unsigned int i=0; i<m_rwRepetitions;++i){
       obj = inputHandle->get();
     }
     if (obj == nullptr)
       logstream << MSG::ERROR << "A read object was a null pointer." << endmsg;
   }
 
   const unsigned long n_iters= getNCaliIters(runtime);
   findPrimes( n_iters );
 
   for (auto & outputHandle: m_outputHandles){
       if(!outputHandle->isValid())
         continue;
 
       outputHandle->put(new DataObject());
   }
 
   for (auto & inputHandle: m_inputHandles){
       if(!inputHandle->isValid())
         continue;
 
     for (unsigned int i=1; i<m_rwRepetitions;++i){
       inputHandle->get();
     }
   }
 
   tbb::tick_count endtbb=tbb::tick_count::now();
 
   const double actualRuntime=(endtbb-starttbb).seconds();
 
   if (getContext())
     logstream << MSG::DEBUG << "Finish event " <<  getContext()->evt()
       //         << " on pthreadID " << getContext()->m_thread_id
          << " in " << actualRuntime  << " seconds" << endmsg;
 
   logstream << MSG::DEBUG << "Timing: ExpectedRuntime= " << runtime
                          << " ActualRuntime= " << actualRuntime
                          << " Ratio= " << runtime/actualRuntime
                          << " Niters= " << n_iters << endmsg;
 
 
   return StatusCode::SUCCESS ;
 }

StatusCode CPUCruncher::finalize ( )

virtual

the finalization of the algorithm

Definition at line 355 of file CPUCruncher.cpp.

 {
   MsgStream log(msgSvc(), name());
 
   unsigned int ninstances;
 
   {
     CHM::const_accessor const_name_ninstances;
     m_name_ncopies_map.find(const_name_ninstances,name());
     ninstances=const_name_ninstances->second;
   }
 
   constexpr double s2ms=1000.;
     // do not show repetitions
     if (ninstances!=0){
       log << MSG::INFO << "Summary: name= "<< name()
                        <<"\t avg_runtime= " << m_avg_runtime*s2ms
                        << "\t n_clones= " << ninstances << endmsg;
 
       CHM::accessor name_ninstances;
       m_name_ncopies_map.find(name_ninstances,name());
       name_ninstances->second=0;
       }
 
   return GaudiAlgorithm::finalize () ;
 }

void CPUCruncher::findPrimes ( const unsigned long int n_iterations )

private

The CPU intensive function.

Definition at line 177 of file CPUCruncher.cpp.

                                                                    {
 
 
   MsgStream log(msgSvc(), name());
 
   // Flag to trigger the allocation
   bool is_prime;
 
   // Let's prepare the material for the allocations
   unsigned int primes_size=1;
   unsigned long* primes = new unsigned long[primes_size];
   primes[0]=2;
 
   unsigned long i = 2;
 
   // Loop on numbers
   for (unsigned long int iiter=0;iiter<n_iterations;iiter++ ){
     // Once at max, it returns to 0
     i+=1;
 
     // Check if it can be divided by the smaller ones
     is_prime = true;
     for (unsigned long j=2;j<i && is_prime;++j){
       if (i%j == 0){
         is_prime = false;
       }
     }// end loop on numbers < than tested one
     if (is_prime){
       // copy the array of primes (INEFFICIENT ON PURPOSE!)
       unsigned int new_primes_size = 1 + primes_size;
       unsigned long* new_primes = new unsigned long[new_primes_size];
 
       for (unsigned int prime_index=0; prime_index<primes_size;prime_index++){
         new_primes[prime_index]=primes[prime_index];
       }
       // attach the last prime
       new_primes[primes_size]=i;
 
       // Update primes array
       delete[] primes;
       primes = new_primes;
       primes_size=new_primes_size;
     } // end is prime
 
   } // end of while loop
 
   // Fool Compiler optimisations:
   for (unsigned int prime_index=0; prime_index<primes_size;prime_index++)
     if (primes[prime_index] == 4)
       log << "This does never happen, but it's necessary too fool aggressive compiler optimisations!"<< endmsg ;
 
   delete[] primes;
 
 }

const std::vector< std::string > CPUCruncher::get_inputs ( )

virtual

Get the inputs.

Definition at line 385 of file CPUCruncher.cpp.

 {
   std::vector<std::string> di;
   for (auto & h: m_inputHandles){
       if(h->isValid())
         di.push_back(h->dataProductName());
   }
 
   return di;
 }

const std::vector< std::string > CPUCruncher::get_outputs ( )

virtual

Get the outputs.

Definition at line 399 of file CPUCruncher.cpp.

 {
       std::vector<std::string> di;
       for (auto & h: m_outputHandles){
           if(h->isValid())
             di.push_back(h->dataProductName());
       }
 
       return di;
 }

double CPUCruncher::get_runtime ( ) const

inline

Definition at line 39 of file CPUCruncher.h.

39 { return m_avg_runtime; };

CPUCruncher::m_avg_runtime

double m_avg_runtime

Definition: CPUCruncher.h:65

unsigned long CPUCruncher::getNCaliIters ( double runtime )

private

Definition at line 142 of file CPUCruncher.cpp.

                                                       {
 
   unsigned int smaller_i=0;
   double time=0.;
   bool found=false;
   // We know that the first entry is 0, so we start to iterate from 1
   for (unsigned int i=1;i<m_times_vect.size();i++){
     time = m_times_vect[i];
     if (time>runtime){
       smaller_i=i-1;
       found=true;
       break;
     }
   }
 
   // Case 1: we are outside the interpolation range, we take the last 2 points
   if (not found)
     smaller_i=m_times_vect.size()-2;
 
   // Case 2: we maeke a linear interpolation
   // y=mx+q
   const double x0=m_times_vect[smaller_i];
   const double x1=m_times_vect[smaller_i+1];
   const double y0=m_niters_vect[smaller_i];
   const double y1=m_niters_vect[smaller_i+1];
   const double m=(y1-y0)/(x1-x0);
   const double q=y0-m*x0;
 
   const unsigned long nCaliIters =  m * runtime + q ;
   //always() << x0 << "<" << runtime << "<" << x1 << " Corresponding to " << nCaliIters << " iterations" << endmsg;
 
   return nCaliIters ;
 }

StatusCode CPUCruncher::initialize ( )

virtual

Its initialization.

Definition at line 71 of file CPUCruncher.cpp.

                                   {
   if (m_times_vect.size()==0){
     calibrate();
   }
 
   return StatusCode::SUCCESS ;
 }

CPUCruncher& CPUCruncher::operator= ( const CPUCruncher & )

private

the assignement operator is disabled

Friends And Related Function Documentation

friend class AlgFactory< CPUCruncher >

friend

Definition at line 22 of file CPUCruncher.h.

Member Data Documentation

tuple CPUCruncher.a1

Initial value:

 = CPUCruncher("A1",
                  varRuntime=.1,
                  avgRuntime=.5,
                  shortCalib = True )

Definition at line 16 of file CPUCruncher.py.

tuple CPUCruncher.a2 = CPUCruncher("A2")

Definition at line 22 of file CPUCruncher.py.

tuple CPUCruncher.a3 = CPUCruncher("A3")

Definition at line 26 of file CPUCruncher.py.

tuple CPUCruncher.a4 = CPUCruncher("A4")

Definition at line 30 of file CPUCruncher.py.

CPUCruncher.EventLoop = eventloopmgr,

Definition at line 38 of file CPUCruncher.py.

tuple CPUCruncher.eventloopmgr

Initial value:

 = HiveEventLoopMgr(MaxEventsParallel = evtslots,
                                 MaxAlgosParallel  = 20,
                                 NumThreads = 8,
                                 AlgosDependencies = [[],['a1'],['a1'],['a2','a3']])

Definition at line 11 of file CPUCruncher.py.

string CPUCruncher.EvtSel = 'NONE'

Definition at line 36 of file CPUCruncher.py.

int CPUCruncher.evtslots = 10

Definition at line 6 of file CPUCruncher.py.

list CPUCruncher.ExtSvc = [whiteboard]

Definition at line 37 of file CPUCruncher.py.

double CPUCruncher::m_avg_runtime

private

Definition at line 65 of file CPUCruncher.h.

std::vector<DataObjectHandle<DataObject> *> CPUCruncher::m_inputHandles

private

Definition at line 79 of file CPUCruncher.h.

bool CPUCruncher::m_local_rndm_gen

private

Definition at line 67 of file CPUCruncher.h.

CPUCruncher::CHM CPUCruncher::m_name_ncopies_map

staticprivate

Definition at line 84 of file CPUCruncher.h.

std::vector< unsigned int > CPUCruncher::m_niters_vect

staticprivate

Definition at line 71 of file CPUCruncher.h.

std::vector<DataObjectHandle<DataObject> *> CPUCruncher::m_outputHandles

private

Definition at line 80 of file CPUCruncher.h.

unsigned int CPUCruncher::m_rwRepetitions

private

Definition at line 82 of file CPUCruncher.h.

bool CPUCruncher::m_shortCalib

private

Definition at line 68 of file CPUCruncher.h.

bool CPUCruncher::m_sleepyExecution

private

Definition at line 87 of file CPUCruncher.h.

std::vector< double > CPUCruncher::m_times_vect

staticprivate

Definition at line 72 of file CPUCruncher.h.

double CPUCruncher::m_var_runtime

private

Definition at line 66 of file CPUCruncher.h.

const uint CPUCruncher::MAX_INPUTS = 40

private

Definition at line 76 of file CPUCruncher.h.

const uint CPUCruncher::MAX_OUTPUTS = 10

private

Definition at line 77 of file CPUCruncher.h.

list CPUCruncher.TopAlg = [a1,a2,a3,a4]

Definition at line 39 of file CPUCruncher.py.

tuple CPUCruncher.whiteboard

Initial value:

1 = HiveWhiteBoard("EventDataSvc",

2 EventSlots = evtslots)

Definition at line 8 of file CPUCruncher.py.

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

GaudiHive/src/CPUCruncher.h
GaudiHive/options/CPUCruncher.py
GaudiHive/src/CPUCruncher.cpp

Public Types

Public Member Functions

Public Attributes

Protected Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation