PrecedenceSvc Class Reference

A service to resolve the task execution precedence. More...

#include <GaudiHive/PrecedenceSvc.h>

Inheritance diagram for PrecedenceSvc:

Collaboration diagram for PrecedenceSvc:

Public Member Functions
	PrecedenceSvc (const std::string &name, ISvcLocator *svc)
	Constructor. More...
	~PrecedenceSvc ()=default
	Destructor. More...
StatusCode	initialize () override
	Initialize. More...
StatusCode	finalize () override
	Finalize. More...
StatusCode	iterate (EventSlot &, const Cause &) override
	Infer the precedence effect caused by an execution flow event. More...
StatusCode	simulate (EventSlot &) const override
	Simulate execution flow. More...
bool	CFRulesResolved (EventSlot &) const override
	Check if the root CF decision is resolved. More...
uint	getPriority (const std::string &name) const override
	Get priority of an algorithm. More...
bool	isBlocking (const std::string &name) const override
	Check if a task is CPU-blocking. More...
void	dumpControlFlow () const override
	Dump precedence rules. More...
void	dumpDataFlow () const override
const std::string	printState (EventSlot &) const override
void	dumpPrecedenceRules (EventSlot &) override
	Dump precedence rules (available only in DEBUG mode, and must be enabled with the corresponding service property) More...
void	dumpPrecedenceTrace (EventSlot &) override
	Dump precedence trace (available only in DEBUG mode, and must be enabled with the corresponding service property) More...
const concurrency::PrecedenceRulesGraph *	getRules () const
	Precedence rules accessor. More...
Public Member Functions inherited from extends< Service, IPrecedenceSvc >
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...
	~extends () override=default
	Virtual destructor. More...
Public Member Functions inherited from Service
const std::string &	name () const override
	Retrieve name of the service. More...
StatusCode	configure () override
StatusCode	initialize () override
StatusCode	start () override
StatusCode	stop () override
StatusCode	finalize () override
StatusCode	terminate () override
Gaudi::StateMachine::State	FSMState () const override
Gaudi::StateMachine::State	targetFSMState () const override
StatusCode	reinitialize () override
StatusCode	restart () override
StatusCode	sysInitialize () override
	Initialize Service. More...
StatusCode	sysStart () override
	Initialize Service. More...
StatusCode	sysStop () override
	Initialize Service. More...
StatusCode	sysFinalize () override
	Finalize Service. More...
StatusCode	sysReinitialize () override
	Re-initialize the Service. More...
StatusCode	sysRestart () override
	Re-initialize the Service. More...
	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor. More...
SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator. More...
StatusCode	setProperties ()
	Method for setting declared properties to the values specified for the job. More...
template<class T >
StatusCode	service (const std::string &name, const T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist. More...
template<class T >
StatusCode	service (const std::string &name, T *&psvc, bool createIf=true) const
template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const
template<class T >
StatusCode	service (const std::string &svcType, const std::string &svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...
template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, std::string toolTypeAndName, bool createIf=true)
	Declare used tool. More...
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...
Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
	PropertyHolder ()=default
	~PropertyHolder () override=default
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, TYPE &value, const std::string &doc="none")
	Helper to wrap a regular data member and use it as a regular property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, TYPE &value, const std::string &doc="none") const
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, Gaudi::Property< TYPE, VERIFIER, HANDLERS > &prop, const std::string &doc="none")
	Declare a PropertyBase instance setting name and documentation. More...
Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property. More...
StatusCode	setProperty (const Gaudi::Details::PropertyBase &p) override
	set the property form another property More...
StatusCode	setProperty (const std::string &s) override
	set the property from the formatted string More...
StatusCode	setProperty (const std::string &n, const std::string &v) override
	set the property from name and the value More...
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...
StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property More...
const Gaudi::Details::PropertyBase &	getProperty (const std::string &name) const override
	get the property by name More...
StatusCode	getProperty (const std::string &n, std::string &v) const override
	convert the property to the string More...
const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties More...
bool	hasProperty (const std::string &name) const override
	Return true if we have a property with the given name. More...
	PropertyHolder (const PropertyHolder &)=delete
PropertyHolder &	operator= (const PropertyHolder &)=delete
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, GaudiHandleBase &ref, const std::string &doc="none")
	Specializations for various GaudiHandles. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, GaudiHandleArrayBase &ref, const std::string &doc="none")
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, DataObjectHandleBase &ref, const std::string &doc="none")
Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor. More...
const 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 cached level (originally extracted from the embedded MsgStream) More...
MSG::Level	outputLevel () const __attribute__((deprecated))
	Backward compatibility function for getting the output level. More...
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...
Public Member Functions inherited from extend_interfaces< Interfaces... >
	~extend_interfaces () override=default
	Virtual destructor. More...

Private Member Functions
StatusCode	assembleCFRules (Algorithm *, const std::string &, unsigned int recursionDepth=0)

Private Attributes
SmartIF< IAlgResourcePool >	m_algResourcePool
	A shortcut to the algorithm resource pool. More...
concurrency::PrecedenceRulesGraph	m_PRGraph {"PrecedenceRulesGraph", serviceLocator()}
	Graph of precedence rules. More...
Gaudi::Property< std::string >	m_mode {this, "TaskPriorityRule", "", "Task avalanche induction strategy."}
	Scheduling strategy. More...
Gaudi::Property< bool >	m_ignoreDFRules {this, "IgnoreDFRules", false, "Ignore the data flow rules."}
	Scheduling strategy. More...
boost::filesystem::path	m_dumpDirName
	Precedence analysis facilities. More...
Gaudi::Property< bool >	m_dumpPrecTrace
Gaudi::Property< std::string >	m_dumpPrecTraceFile
Gaudi::Property< bool >	m_dumpPrecRules
Gaudi::Property< std::string >	m_dumpPrecRulesFile

Additional Inherited Members
Public Types inherited from extends< Service, IPrecedenceSvc >
using	base_class = extends
	Typedef to this class. More...
using	extend_interfaces_base = extend_interfaces< Interfaces... >
	Typedef to the base of this class. More...
Public Types inherited from Service
typedef Gaudi::PluginService::Factory< IService *, const std::string &, ISvcLocator * >	Factory
Public Types inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
using	PropertyHolderImpl = PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
	Typedef used to refer to this class from derived classes, as in. More...
Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using	base_class = CommonMessaging
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type
	take union of the ext_iids of all Interfaces... More...
Protected Member Functions inherited from Service
	~Service () override
	Standard Destructor. More...
int	outputLevel () const
	get the Service's output level More...
Protected Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
Gaudi::Details::PropertyBase *	property (const std::string &name) const
Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	setUpMessaging ()
	Set up local caches. More...
MSG::Level	resetMessaging ()
	Reinitialize internal states. More...
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...
Protected Attributes inherited from Service
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state. More...
Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state. More...
Gaudi::Property< int >	m_outputLevel {this, "OutputLevel", MSG::NIL, "output level"}
Gaudi::Property< bool >	m_auditInit {this, "AuditServices", false, "[[deprecated]] unused"}
Gaudi::Property< bool >	m_auditorInitialize {this, "AuditInitialize", false, "trigger auditor on initialize()"}
Gaudi::Property< bool >	m_auditorStart {this, "AuditStart", false, "trigger auditor on start()"}
Gaudi::Property< bool >	m_auditorStop {this, "AuditStop", false, "trigger auditor on stop()"}
Gaudi::Property< bool >	m_auditorFinalize {this, "AuditFinalize", false, "trigger auditor on finalize()"}
Gaudi::Property< bool >	m_auditorReinitialize {this, "AuditReinitialize", false, "trigger auditor on reinitialize()"}
Gaudi::Property< bool >	m_auditorRestart {this, "AuditRestart", false, "trigger auditor on restart()"}
SmartIF< IAuditorSvc >	m_pAuditorSvc
	Auditor Service. More...

Detailed Description

A service to resolve the task execution precedence.

Author

Illya Shapoval Aug 7, 2017

Definition at line 21 of file PrecedenceSvc.h.

Constructor & Destructor Documentation

PrecedenceSvc::PrecedenceSvc	(	const std::string &	name,
		ISvcLocator *	svc
	)

Constructor.

Definition at line 18 of file PrecedenceSvc.cpp.

: base_class( name, svcLoc ) {}

PrecedenceSvc::~PrecedenceSvc ( )

default

Destructor.

Member Function Documentation

StatusCode PrecedenceSvc::assembleCFRules ( Algorithm *  algo, const std::string &  parentName, unsigned int  recursionDepth = 0  )

private

Definition at line 110 of file PrecedenceSvc.cpp.

{
  using namespace concurrency;

  StatusCode sc = StatusCode::SUCCESS;

  ++recursionDepth;

  bool isGaudiSequencer( false );
  bool isAthSequencer( false );

  if ( algo->isSequence() ) {
    if ( algo->hasProperty( "ShortCircuit" ) )
      isGaudiSequencer = true;
    else if ( algo->hasProperty( "StopOverride" ) )
      isAthSequencer = true;
  }

  std::vector<Algorithm*>* subAlgorithms = algo->subAlgorithms();
  if ( // we only want to add basic algorithms -> have no subAlgs
      // and exclude the case of empty sequencers
      ( subAlgorithms->empty() && !( isGaudiSequencer || isAthSequencer ) ) ) {

    ON_DEBUG debug() << std::string( recursionDepth, ' ' ) << "Algorithm '" << algo->name() << "' discovered" << endmsg;
    sc = m_PRGraph.addAlgorithmNode( algo, parentName, false, false );
    return sc;
  }

  // Recursively unroll
  ON_DEBUG debug() << std::string( recursionDepth, ' ' ) << "Decision hub '" << algo->name() << "' discovered"
                   << endmsg;
  bool modeOr         = false;
  bool allPass        = false;
  bool promptDecision = false;
  bool isSequential   = false;
  bool isInverted     = false;

  if ( isGaudiSequencer ) {
    modeOr                        = ( algo->getProperty( "ModeOR" ).toString() == "True" );
    allPass                       = ( algo->getProperty( "IgnoreFilterPassed" ).toString() == "True" );
    promptDecision                = ( algo->getProperty( "ShortCircuit" ).toString() == "True" );
    isInverted                    = ( algo->getProperty( "Invert" ).toString() == "True" );
    if ( allPass ) promptDecision = false; // standard GaudiSequencer behavior on all pass is to execute everything
    isSequential = ( algo->hasProperty( "Sequential" ) && ( algo->getProperty( "Sequential" ).toString() == "True" ) );
  } else if ( isAthSequencer ) {
    modeOr         = ( algo->getProperty( "ModeOR" ).toString() == "True" );
    allPass        = ( algo->getProperty( "IgnoreFilterPassed" ).toString() == "True" );
    promptDecision = ( algo->getProperty( "StopOverride" ).toString() == "False" );
    isSequential = ( algo->hasProperty( "Sequential" ) && ( algo->getProperty( "Sequential" ).toString() == "True" ) );
  }
  sc = m_PRGraph.addDecisionHubNode( algo, parentName, Concurrent{!isSequential}, PromptDecision{promptDecision},
                                     ModeOr{modeOr}, AllPass{allPass}, Inverted{isInverted} );
  if ( sc.isFailure() ) {
    error() << "Failed to add DecisionHub " << algo->name() << " to graph of precedence rules" << endmsg;
    return sc;
  }

  for ( Algorithm* subalgo : *subAlgorithms ) {
    sc = assembleCFRules( subalgo, algo->name(), recursionDepth );
    if ( sc.isFailure() ) {
      error() << "Algorithm " << subalgo->name() << " could not be flattened" << endmsg;
      return sc;
    }
  }
  return sc;
}

bool PrecedenceSvc::CFRulesResolved ( EventSlot &  slot ) const

override

Check if the root CF decision is resolved.

Definition at line 247 of file PrecedenceSvc.cpp.

{
  return ( -1 != slot.controlFlowState[m_PRGraph.getHeadNode()->getNodeIndex()] ? true : false );
}

void PrecedenceSvc::dumpControlFlow ( ) const

override

Dump precedence rules.

Definition at line 253 of file PrecedenceSvc.cpp.

{

  info() << std::endl << "==================== Control Flow Configuration ==================" << std::endl << std::endl;
  info() << m_PRGraph.dumpControlFlow() << endmsg;
}

void PrecedenceSvc::dumpDataFlow ( ) const

override

Definition at line 260 of file PrecedenceSvc.cpp.

{
  info() << std::endl << "===================== Data Flow Configuration ====================" << std::endl;
  info() << m_PRGraph.dumpDataFlow() << endmsg;
}

void PrecedenceSvc::dumpPrecedenceRules ( EventSlot &  slot )

override

Dump precedence rules (available only in DEBUG mode, and must be enabled with the corresponding service property)

Definition at line 276 of file PrecedenceSvc.cpp.

{

  if ( !m_dumpPrecRules ) {
    warning() << "No temporal and topological aspects of execution flow were traced. "
              << "To get them traced, please set DumpPrecedenceRules "
              << "property to True " << endmsg;
    return;
  }

  ON_DEBUG debug() << "Dumping temporal precedence rules" << endmsg;

  std::string fileName;
  if ( m_dumpPrecRulesFile.empty() ) {
    const auto& eventID = slot.eventContext->eventID();
    fileName            = "rules.evt-" + std::to_string( eventID.event_number() ) + "." + "run-" +
               std::to_string( eventID.run_number() ) + ".graphml";
  } else {
    fileName = m_dumpPrecRulesFile;
  }

  boost::filesystem::path pth{m_dumpDirName};
  pth.append( fileName );

  m_PRGraph.dumpPrecRules( pth, slot );
}

void PrecedenceSvc::dumpPrecedenceTrace ( EventSlot &  slot )

override

Dump precedence trace (available only in DEBUG mode, and must be enabled with the corresponding service property)

Definition at line 304 of file PrecedenceSvc.cpp.

{

  if ( !m_dumpPrecTrace ) {
    warning() << "Task precedence was not traced. To get it traced, please set "
              << "DumpPrecedenceTrace property to True " << endmsg;
    return;
  }

  ON_DEBUG debug() << "Dumping temporal precedence trace" << endmsg;

  std::string fileName;
  if ( m_dumpPrecTraceFile.empty() ) {
    const auto& eventID = slot.eventContext->eventID();
    fileName            = "trace.evt-" + std::to_string( eventID.event_number() ) + "." + "run-" +
               std::to_string( eventID.run_number() ) + ".graphml";
  } else {
    fileName = m_dumpPrecTraceFile;
  }

  boost::filesystem::path pth{m_dumpDirName};
  pth.append( fileName );

  m_PRGraph.dumpPrecTrace( pth );
}

StatusCode PrecedenceSvc::finalize ( )

override

Finalize.

Definition at line 333 of file PrecedenceSvc.cpp.

{ return Service::finalize(); }

uint PrecedenceSvc::getPriority ( const std::string &  name ) const

inlineoverride

Get priority of an algorithm.

Definition at line 47 of file PrecedenceSvc.h.

  {
    return (int)m_PRGraph.getAlgorithmNode( name )->getRank();
  }

const concurrency::PrecedenceRulesGraph* PrecedenceSvc::getRules ( ) const

inline

Precedence rules accessor.

Definition at line 68 of file PrecedenceSvc.h.

{ return &m_PRGraph; };

StatusCode PrecedenceSvc::initialize ( )

override

Initialize.

Definition at line 23 of file PrecedenceSvc.cpp.

{
  using namespace concurrency;

  auto sc = Service::initialize(); // parent class must be initialized first
  if ( sc.isFailure() ) {
    fatal() << "Base class failed to initialize" << endmsg;
    return sc;
  }

  // prepare a directory to dump precedence analysis files to.
  if ( m_dumpPrecTrace || m_dumpPrecRules ) {
    if ( !boost::filesystem::create_directory( m_dumpDirName ) ) {
      error() << "Could not create directory " << m_dumpDirName << "required "
                                                                   "for task precedence tracing"
              << endmsg;
      return StatusCode::FAILURE;
    }
  }

  if ( m_dumpPrecRules ) m_PRGraph.enableAnalysis();

  // Get the algo resource pool
  m_algResourcePool = serviceLocator()->service( "AlgResourcePool" );
  if ( !m_algResourcePool.isValid() ) {
    fatal() << "Error retrieving AlgoResourcePool" << endmsg;
    return StatusCode::FAILURE;
  }

  info() << "Assembling CF and DF task precedence rules" << endmsg;

  ON_DEBUG debug() << "Assembling CF precedence realm:" << endmsg;
  // create the root CF node
  m_PRGraph.addHeadNode( "RootDecisionHub", Concurrent{true}, PromptDecision{false}, ModeOr{true}, AllPass{true},
                         Inverted{false} );
  // assemble the CF rules
  for ( const auto& ialgoPtr : m_algResourcePool->getTopAlgList() ) {
    auto algorithm = dynamic_cast<Algorithm*>( ialgoPtr );
    if ( !algorithm ) fatal() << "Conversion from IAlgorithm to Algorithm failed" << endmsg;
    sc = assembleCFRules( algorithm, "RootDecisionHub" );
    if ( sc.isFailure() ) {
      fatal() << "Could not assemble the CF precedence realm" << endmsg;
      return sc;
    }
  }

  if ( m_ignoreDFRules ) {
    warning() << "Ignoring DF precedence rules, disabling all associated features" << endmsg;
    return StatusCode::SUCCESS;
  }

  ON_DEBUG debug() << "Assembling DF precedence realm:" << endmsg;
  sc = m_PRGraph.initialize();
  if ( sc.isFailure() ) {
    fatal() << "Could not assemble the DF precedence realm" << endmsg;
    return sc;
  }

  // Rank algorithms if a prioritization rule is supplied
  if ( m_mode == "PCE" ) {
    auto ranker = concurrency::RankerByProductConsumption();
    m_PRGraph.rankAlgorithms( ranker );
  } else if ( m_mode == "COD" ) {
    auto ranker = concurrency::RankerByCummulativeOutDegree();
    m_PRGraph.rankAlgorithms( ranker );
  } else if ( m_mode == "E" ) {
    auto ranker = concurrency::RankerByEccentricity();
    m_PRGraph.rankAlgorithms( ranker );
  } else if ( m_mode == "T" ) {
    auto ranker = concurrency::RankerByTiming();
    m_PRGraph.rankAlgorithms( ranker );
  } else if ( m_mode == "DRE" ) {
    auto ranker = concurrency::RankerByDataRealmEccentricity();
    m_PRGraph.rankAlgorithms( ranker );
  } else if ( !m_mode.empty() ) {
    error() << "Requested prioritization rule '" << m_mode << "' is unknown" << endmsg;
    return StatusCode::FAILURE;
  }

  ON_DEBUG debug() << m_PRGraph.dumpDataFlow() << endmsg;

  if ( sc.isSuccess() ) info() << "PrecedenceSvc initialized successfully" << endmsg;

  return sc;
}

bool PrecedenceSvc::isBlocking ( const std::string &  name ) const

inlineoverride

Check if a task is CPU-blocking.

Definition at line 53 of file PrecedenceSvc.h.

{ return m_PRGraph.getAlgorithmNode( name )->isIOBound(); }

StatusCode PrecedenceSvc::iterate ( EventSlot &  slot, const Cause &  cause  )

override

Infer the precedence effect caused by an execution flow event.

Definition at line 178 of file PrecedenceSvc.cpp.

{

  if ( LIKELY( Cause::source::Task == cause.m_source ) ) {
    ON_VERBOSE verbose() << "Triggering bottom-up traversal at node '" << cause.m_sourceName << "'" << endmsg;
    auto visitor = concurrency::DecisionUpdater( slot, cause, m_dumpPrecTrace );
    m_PRGraph.getAlgorithmNode( cause.m_sourceName )->accept( visitor );
  } else {
    ON_VERBOSE verbose() << "Triggering top-down traversal at the root node" << endmsg;
    auto visitor = concurrency::Supervisor( slot, cause, m_dumpPrecTrace );
    m_PRGraph.getHeadNode()->accept( visitor );
  }

  if ( UNLIKELY( m_dumpPrecTrace ) )
    if ( UNLIKELY( CFRulesResolved( slot ) ) ) dumpPrecedenceTrace( slot );
  if ( UNLIKELY( m_dumpPrecRules ) )
    if ( UNLIKELY( CFRulesResolved( slot ) ) ) dumpPrecedenceRules( slot );

  return StatusCode::SUCCESS;
}

const std::string PrecedenceSvc::printState ( EventSlot &  slot ) const

override

Definition at line 267 of file PrecedenceSvc.cpp.

{

  std::stringstream ss;
  m_PRGraph.printState( ss, slot.algsStates, slot.controlFlowState, 0 );
  return ss.str();
}

StatusCode PrecedenceSvc::simulate ( EventSlot &  slot ) const

override

Simulate execution flow.

Definition at line 200 of file PrecedenceSvc.cpp.

{

  Cause cs     = {Cause::source::Root, "RootDecisionHub"};
  auto visitor = concurrency::RunSimulator( slot, cs );

  auto& nodeDecisions = slot.controlFlowState;

  std::vector<int> prevNodeDecisions;
  int cntr = 0;
  std::vector<int> counters;

  while ( !CFRulesResolved( slot ) ) {
    cntr += 1;
    int prevAlgosNum = visitor.m_nodesSucceeded;
    debug() << "  Proceeding with iteration #" << cntr << endmsg;
    prevNodeDecisions = slot.controlFlowState;
    m_PRGraph.getHeadNode()->accept( visitor );
    if ( prevNodeDecisions == nodeDecisions ) {
      error() << "  No progress on iteration " << cntr << " detected, node decisions are:" << nodeDecisions << endmsg;
      return StatusCode::FAILURE;
    }
    info() << "   Iteration #" << cntr << " finished, total algorithms executed: " << visitor.m_nodesSucceeded
           << endmsg;

    std::stringstream s;
    s << cntr << ", " << ( visitor.m_nodesSucceeded - prevAlgosNum ) << "\n";

    std::ofstream myfile;
    myfile.open( "RunSimulation.csv", std::ios::app );
    myfile << s.str();
    myfile.close();

    if ( visitor.m_nodesSucceeded != prevAlgosNum ) counters.push_back( visitor.m_nodesSucceeded );
  }

  info() << "Asymptotical concurrency speedup depth: " << (float)visitor.m_nodesSucceeded / (float)counters.size()
         << endmsg;

  // Reset algorithm states and node decisions
  slot.algsStates.reset();
  nodeDecisions.assign( nodeDecisions.size(), -1 );

  return StatusCode::SUCCESS;
}

Member Data Documentation

SmartIF<IAlgResourcePool> PrecedenceSvc::m_algResourcePool

private

A shortcut to the algorithm resource pool.

Definition at line 75 of file PrecedenceSvc.h.

boost::filesystem::path PrecedenceSvc::m_dumpDirName

private

Initial value:

{
      boost::filesystem::unique_path( boost::filesystem::path( "precedence.analysis.%%%%" ) )}

Precedence analysis facilities.

Definition at line 83 of file PrecedenceSvc.h.

Gaudi::Property<bool> PrecedenceSvc::m_dumpPrecRules

private

Initial value:

{this, "DumpPrecedenceRules", false, "Dump task precedence rules. The service "
                                                                            "must be in DEBUG mode for this switch "
                                                                            "to have effect."}

Definition at line 93 of file PrecedenceSvc.h.

Gaudi::Property<std::string> PrecedenceSvc::m_dumpPrecRulesFile

private

Initial value:

{this, "PrecedenceRulesFile", "",
                                                   "Override default name of the GRAPHML precedence rules file."}

Definition at line 96 of file PrecedenceSvc.h.

Gaudi::Property<bool> PrecedenceSvc::m_dumpPrecTrace

private

Initial value:

{this, "DumpPrecedenceTrace", false,
                                        "Dump task precedence traces for each event."
                                        "The service must be in DEBUG mode for this switch "
                                        "to have effect."}

Definition at line 85 of file PrecedenceSvc.h.

Gaudi::Property<std::string> PrecedenceSvc::m_dumpPrecTraceFile

private

Initial value:

{
      this, "PrecedenceTraceFile", "", "Override default name of the GRAPHML trace file. NOTE: if more than "
                                       "1 event is processed, the setting forces creation of a single file "
                                       "with cumulative precedence trace."}

Definition at line 89 of file PrecedenceSvc.h.

Gaudi::Property<bool> PrecedenceSvc::m_ignoreDFRules {this, "IgnoreDFRules", false, "Ignore the data flow rules."}

private

Scheduling strategy.

Definition at line 81 of file PrecedenceSvc.h.

Gaudi::Property<std::string> PrecedenceSvc::m_mode {this, "TaskPriorityRule", "", "Task avalanche induction strategy."}

private

Scheduling strategy.

Definition at line 79 of file PrecedenceSvc.h.

concurrency::PrecedenceRulesGraph PrecedenceSvc::m_PRGraph {"PrecedenceRulesGraph", serviceLocator()}

private

Graph of precedence rules.

Definition at line 77 of file PrecedenceSvc.h.

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

• GaudiHive/src/PrecedenceSvc.h
• GaudiHive/src/PrecedenceSvc.cpp