The AlgResourcePool is a concrete implementation of the IAlgResourcePool interface. More...

#include <GaudiHive/AlgResourcePool.h>

Inheritance diagram for AlgResourcePool:

[legend]

Collaboration diagram for AlgResourcePool:

[legend]

Public Member Functions
	~AlgResourcePool () override

StatusCode	start () override

StatusCode	initialize () override

StatusCode	acquireAlgorithm (const std::string &name, IAlgorithm *&algo, bool blocking=false) override
	Acquire a certain algorithm using its name. More...

StatusCode	releaseAlgorithm (const std::string &name, IAlgorithm *&algo) override
	Release a certain algorithm. More...

StatusCode	acquireResource (const std::string &name) override
	Acquire a certain resource. More...

StatusCode	releaseResource (const std::string &name) override
	Release a certrain resource. More...

std::list< IAlgorithm * >	getFlatAlgList () override

std::list< IAlgorithm * >	getTopAlgList () override

StatusCode	beginRun () override

StatusCode	endRun () override

StatusCode	stop () override

virtual concurrency::ExecutionFlowGraph *	getExecutionFlowGraph () const

Public Member Functions inherited from extends< Service, IAlgResourcePool >
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	declarePrivateTool (ToolHandle< T > &handle, std::string toolTypeAndName="", bool createIf=true)
	Declare used Private tool. More...

template<class T >
StatusCode	declarePublicTool (ToolHandle< T > &handle, std::string toolTypeAndName="", bool createIf=true)
	Declare used Public 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, ToolHandle< TYPE > &ref, const std::string &doc="none")
	Specializations for various GaudiHandles. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ServiceHandle< TYPE > &ref, const std::string &doc="none")

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandleArray< TYPE > &ref, const std::string &doc="none")

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ServiceHandleArray< TYPE > &ref, const std::string &doc="none")

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, DataObjectHandle< TYPE > &ref, const std::string &doc="none")

Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=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...

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 Types
typedef tbb::concurrent_bounded_queue< IAlgorithm * >	concurrentQueueIAlgPtr

typedef std::list< SmartIF< IAlgorithm > >	ListAlg

typedef boost::dynamic_bitset	state_type

Private Member Functions
StatusCode	decodeTopAlgs ()
	Decode the top alg list. More...

StatusCode	flattenSequencer (Algorithm *sequencer, ListAlg &alglist, const std::string &parentName, unsigned int recursionDepth=0)
	Recursively flatten an algList. More...

Private Attributes
std::mutex	m_resource_mutex

state_type	m_available_resources {0}

std::map< size_t, concurrentQueueIAlgPtr * >	m_algqueue_map

std::map< size_t, state_type >	m_resource_requirements

std::map< size_t, size_t >	m_n_of_allowed_instances

std::map< size_t, unsigned int >	m_n_of_created_instances

std::map< std::string, unsigned int >	m_resource_indices

Gaudi::Property< bool >	m_lazyCreation {this, "CreateLazily", false, ""}

Gaudi::Property< std::vector< std::string > >	m_topAlgNames

ListAlg	m_algList
	The list of all algorithms created withing the Pool which are not top. More...

ListAlg	m_topAlgList
	The list of top algorithms. More...

ListAlg	m_flatUniqueAlgList
	The flat list of algorithms w/o clones. More...

std::list< IAlgorithm * >	m_flatUniqueAlgPtrList
	The flat list of algorithms w/o clones which is returned. More...

std::list< IAlgorithm * >	m_topAlgPtrList
	The top list of algorithms. More...

concurrency::ExecutionFlowGraph *	m_EFGraph = nullptr
	OMG yet another hack. More...

Additional Inherited Members
Public Types inherited from extends< Service, IAlgResourcePool >
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 > >
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

The AlgResourcePool is a concrete implementation of the IAlgResourcePool interface.

It either creates all instances upfront or lazily. Internal bookkeeping is done via hashes of the algo names.

Author: Benedikt Hegner

Definition at line 34 of file AlgResourcePool.h.

Member Typedef Documentation

typedef tbb::concurrent_bounded_queue<IAlgorithm*> AlgResourcePool::concurrentQueueIAlgPtr

private

Definition at line 64 of file AlgResourcePool.h.

typedef std::list<SmartIF<IAlgorithm> > AlgResourcePool::ListAlg

private

Definition at line 65 of file AlgResourcePool.h.

typedef boost::dynamic_bitset AlgResourcePool::state_type

private

Definition at line 66 of file AlgResourcePool.h.

Constructor & Destructor Documentation

AlgResourcePool::~AlgResourcePool ( )

override

Definition at line 24 of file AlgResourcePool.cpp.

                                   {
 
   for (auto& algoId_algoQueue : m_algqueue_map){
     auto* queue = algoId_algoQueue.second;
     delete queue;
   }
 
   delete m_EFGraph;
 }

Member Function Documentation

StatusCode AlgResourcePool::acquireAlgorithm	(	const std::string &	name,
		IAlgorithm *&	algo,
		bool	blocking = `false`
	)

override

Acquire a certain algorithm using its name.

Definition at line 85 of file AlgResourcePool.cpp.

                                                                                                    {
 
   std::hash<std::string> hash_function;
   size_t algo_id = hash_function(name);
   auto itQueueIAlgPtr = m_algqueue_map.find(algo_id);
 
   if (itQueueIAlgPtr == m_algqueue_map.end()) {
     error() << "Algorithm " << name << " requested, but not recognised"
             << endmsg;
     algo = nullptr;
     return StatusCode::FAILURE;
   }
 
   StatusCode sc;
   if (blocking) {
     itQueueIAlgPtr->second->pop(algo);
     sc = StatusCode::SUCCESS;
   } else {
     sc = itQueueIAlgPtr->second->try_pop(algo);
   }
 
   if(sc.isFailure())
     DEBUG_MSG << "No instance of algorithm " << name << " could be retrieved in non-blocking mode" << endmsg;
 
   // if (m_lazyCreation ) {
   //    TODO: fill the lazyCreation part
   // }
   if (sc.isSuccess()){
     state_type requirements = m_resource_requirements[algo_id];
     m_resource_mutex.lock();
     if (requirements.is_subset_of(m_available_resources)) {
       m_available_resources^=requirements;
     } else {
       sc = StatusCode::FAILURE;
       error() << "Failure to allocate resources of algorithm " << name << endmsg;
       itQueueIAlgPtr->second->push(algo);
     }
     m_resource_mutex.unlock();
   }
   return sc;
 }

StatusCode AlgResourcePool::acquireResource ( const std::string & name )

override

Acquire a certain resource.

Definition at line 146 of file AlgResourcePool.cpp.

                                                                 {
   m_resource_mutex.lock();
   m_available_resources[m_resource_indices[name]] = false;
   m_resource_mutex.unlock();
   return StatusCode::SUCCESS;
 }

StatusCode AlgResourcePool::beginRun ( )

override

Definition at line 374 of file AlgResourcePool.cpp.

                                     {
   auto algBeginRun = [&] (SmartIF<IAlgorithm>& algoSmartIF) -> StatusCode {
     StatusCode sc = algoSmartIF->sysBeginRun();
     if (!sc.isSuccess()) {
       warning() << "beginRun() of algorithm " << algoSmartIF->name() << " failed" << endmsg;
     return StatusCode::FAILURE;
     }
     return StatusCode::SUCCESS;
   };
   // Call the beginRun() method of all algorithms
   for (auto& algoSmartIF : m_flatUniqueAlgList ) {
     if (algBeginRun(algoSmartIF).isFailure())
       return StatusCode::FAILURE;
   }
 
   return StatusCode::SUCCESS;
 }

StatusCode AlgResourcePool::decodeTopAlgs ( )

private

Decode the top alg list.

Definition at line 214 of file AlgResourcePool.cpp.

                                              {
 
   SmartIF<IAlgManager> algMan ( serviceLocator() );
   if (!algMan.isValid()){
     error() << "Algorithm manager could not be properly fetched." << endmsg;
     return StatusCode::FAILURE;
   }
 
   // Useful lambda not to repeat ourselves --------------------------
   auto createAlg = [&algMan,this] (const std::string& item_type,
                                    const std::string& item_name,
                                    IAlgorithm*& algo){
         StatusCode createAlgSc = algMan->createAlgorithm(item_type,
                                                          item_name,
                                                          algo,
                                                          true,
                                                          false);
         if (createAlgSc.isFailure())
           this->warning() << "Algorithm " << item_type << "/" << item_name
                           << " could not be created." << endmsg;
     };
   // End of lambda --------------------------------------------------
 
   StatusCode sc = StatusCode::SUCCESS;
 
   // Fill the top alg list ----
   const std::vector<std::string>& topAlgNames = m_topAlgNames.value();
   for (auto& name : topAlgNames) {
     IAlgorithm* algo(nullptr);
 
     Gaudi::Utils::TypeNameString item(name);
     const std::string& item_name = item.name();
     const std::string& item_type = item.type();
     SmartIF<IAlgorithm> algoSmartIF (algMan->algorithm(item_name,false));
 
     if (!algoSmartIF.isValid()){
       createAlg(item_type,item_name,algo);
       algoSmartIF = algo;
     }
     // Init and start
     algoSmartIF->sysInitialize();
     m_topAlgList.push_back(algoSmartIF);
   }
   // Top Alg list filled ----
 
   // start forming the control flow graph by adding the head node
   m_EFGraph->addHeadNode("EVENT LOOP",true,true,false);
 
   // Now we unroll it ----
   for (auto& algoSmartIF : m_topAlgList){
     Algorithm* algorithm = dynamic_cast<Algorithm*> (algoSmartIF.get());
     if (!algorithm) fatal() << "Conversion from IAlgorithm to Algorithm failed" << endmsg;
     sc = flattenSequencer(algorithm, m_flatUniqueAlgList, "EVENT LOOP");
   }
   if (msgLevel(MSG::DEBUG)){
     debug() << "List of algorithms is: " << endmsg;
     for (auto& algo : m_flatUniqueAlgList)
       debug() << "  o " << algo->type() << "/" << algo->name() << " @ " << algo <<  endmsg;
   }
 
   // Unrolled ---
 
   // Now let's manage the clones
   unsigned int resource_counter(0);
   std::hash<std::string> hash_function;
   for (auto& ialgoSmartIF : m_flatUniqueAlgList) {
 
     const std::string& item_name = ialgoSmartIF->name();
 
     verbose() << "Treating resource management and clones of " << item_name << endmsg;
 
     Algorithm* algo = dynamic_cast<Algorithm*> ( ialgoSmartIF.get() );
     if (!algo) fatal() << "Conversion from IAlgorithm to Algorithm failed" << endmsg;
     const std::string& item_type = algo->type();
 
     size_t algo_id = hash_function(item_name);
     concurrentQueueIAlgPtr* queue = new concurrentQueueIAlgPtr();
     m_algqueue_map[algo_id] = queue;
 
     // DP TODO Do it properly with SmartIFs, also in the queues
     IAlgorithm* ialgo(ialgoSmartIF.get());
 
     queue->push(ialgo);
     m_algList.push_back(ialgo);
     m_n_of_allowed_instances[algo_id] = ialgo->cardinality();
     m_n_of_created_instances[algo_id] = 1;
 
     state_type requirements(0);
 
     for (auto& resource_name : ialgo->neededResources()){
       auto ret = m_resource_indices.insert(std::pair<std::string, unsigned int>(resource_name,resource_counter));
       // insert successful means == wasn't known before. So increment counter
       if (ret.second==true) {
          ++resource_counter;
       }
       // Resize for every algo according to the found resources
       requirements.resize(resource_counter);
       // in any case the return value holds the proper product index
       requirements[ret.first->second] = true;
 
     }
 
     m_resource_requirements[algo_id] = requirements;
 
     // potentially create clones; if not lazy creation we have to do it now
     if (!m_lazyCreation) {
       for (unsigned int i =1, end =ialgo->cardinality();i<end; ++i){
         debug() << "type/name to create clone of: " << item_type << "/"
                 << item_name << endmsg;
         IAlgorithm* ialgoClone(nullptr);
         createAlg(item_type,item_name,ialgoClone);
         ialgoClone->setIndex(i);
         if (ialgoClone->sysInitialize().isFailure()) {
           error() << "unable to initialize Algorithm clone "
                   << ialgoClone->name() << endmsg;
           sc = StatusCode::FAILURE;
           // FIXME: should we delete this failed clone?
         } else {
           queue->push(ialgoClone);
           m_n_of_created_instances[algo_id]+=1;
         }
       }
     }
 
     m_EFGraph->attachAlgorithmsToNodes<concurrentQueueIAlgPtr>(item_name,*queue);
 
   }
 
   // Now resize all the requirement bitsets to the same size
   for (auto& kv :  m_resource_requirements) {
     kv.second.resize(resource_counter);
   }
 
   // Set all resources to be available
   m_available_resources.resize(resource_counter);
   m_available_resources.set();
 
   return sc;
 }

StatusCode AlgResourcePool::endRun ( )

override

Definition at line 394 of file AlgResourcePool.cpp.

                                    {
 
   auto algEndRun = [&] (SmartIF<IAlgorithm>& algoSmartIF) -> StatusCode {
     StatusCode sc = algoSmartIF->sysEndRun();
     if (!sc.isSuccess()) {
       warning() << "endRun() of algorithm " << algoSmartIF->name() << " failed" << endmsg;
       return StatusCode::FAILURE;
     }
     return StatusCode::SUCCESS;
   };
   // Call the beginRun() method of all top algorithms
   for (auto& algoSmartIF : m_flatUniqueAlgList ) {
     if (algEndRun(algoSmartIF).isFailure())
     return StatusCode::FAILURE;
   }
   for (auto& algoSmartIF : m_topAlgList ) {
     if (algEndRun(algoSmartIF).isFailure())
     return StatusCode::FAILURE;
   }
   return StatusCode::SUCCESS;
 }

StatusCode AlgResourcePool::flattenSequencer	(	Algorithm *	sequencer,
		ListAlg &	alglist,
		const std::string &	parentName,
		unsigned int	recursionDepth = `0`
	)

private

Recursively flatten an algList.

Definition at line 164 of file AlgResourcePool.cpp.

                                                                                                                                        {
 
   StatusCode sc = StatusCode::SUCCESS;
 
   std::vector<Algorithm*>* subAlgorithms = algo->subAlgorithms();
   if ( // we only want to add basic algorithms -> have no subAlgs
        // and exclude the case of empty GaudiSequencers
        (subAlgorithms->empty() and not (algo->type() == "GaudiSequencer"))
        // we want to add non-empty GaudiAtomicSequencers
        or (algo->type() == "GaudiAtomicSequencer" and not subAlgorithms->empty())){
 
     DEBUG_MSG << std::string(recursionDepth, ' ') << algo->name() << " is "
               << (algo->type() != "GaudiAtomicSequencer" ? "not a sequencer" : "an atomic sequencer")
               << ". Appending it" << endmsg;
 
     alglist.emplace_back(algo);
     m_EFGraph->addAlgorithmNode(algo, parentName, false, false).ignore();
     return sc;
   }
 
   // Recursively unroll
   ++recursionDepth;
   DEBUG_MSG << std::string(recursionDepth, ' ') << algo->name() << " is a sequencer. Flattening it." << endmsg;
   bool modeOR = false;
   bool allPass = false;
   bool isLazy = false;
   if ("GaudiSequencer" == algo->type()) {
     modeOR  = (algo->getProperty("ModeOR").toString() == "True")? true : false;
     allPass = (algo->getProperty("IgnoreFilterPassed").toString() == "True")? true : false;
     isLazy = (algo->getProperty("ShortCircuit").toString() == "True")? true : false;
     if (allPass) isLazy = false; // standard GaudiSequencer behavior on all pass is to execute everything
   }
   sc = m_EFGraph->addDecisionHubNode(algo, parentName, modeOR, allPass, isLazy);
   if (sc.isFailure()) {
     error() << "Failed to add DecisionHub " << algo->name() << " to execution flow graph" << endmsg;
     return sc;
   }
 
   for (Algorithm* subalgo : *subAlgorithms ) {
     sc = flattenSequencer(subalgo,alglist,algo->name(),recursionDepth);
     if (sc.isFailure()) {
       error() << "Algorithm " << subalgo->name() << " could not be flattened" << endmsg;
       return sc;
     }
   }
   return sc;
 }

virtual concurrency::ExecutionFlowGraph* AlgResourcePool::getExecutionFlowGraph ( ) const

inlinevirtual

Definition at line 61 of file AlgResourcePool.h.

61 { return m_EFGraph; }

AlgResourcePool::m_EFGraph

concurrency::ExecutionFlowGraph * m_EFGraph

OMG yet another hack.

Definition: AlgResourcePool.h:104

std::list< IAlgorithm * > AlgResourcePool::getFlatAlgList ( )

override

Definition at line 356 of file AlgResourcePool.cpp.

                                                     {
   m_flatUniqueAlgPtrList.clear();
   for (auto algoSmartIF :m_flatUniqueAlgList )
     m_flatUniqueAlgPtrList.push_back(const_cast<IAlgorithm*>(algoSmartIF.get()));
   return m_flatUniqueAlgPtrList;
 }

std::list< IAlgorithm * > AlgResourcePool::getTopAlgList ( )

override

Definition at line 365 of file AlgResourcePool.cpp.

                                                    {
   m_topAlgPtrList.clear();
   for (auto algoSmartIF :m_topAlgList )
     m_topAlgPtrList.push_back(const_cast<IAlgorithm*>(algoSmartIF.get()));
   return m_topAlgPtrList;
 }

StatusCode AlgResourcePool::initialize ( )

override

Definition at line 37 of file AlgResourcePool.cpp.

                                       {
 
   StatusCode sc(Service::initialize());
   if (!sc.isSuccess())
     warning () << "Base class could not be started" << endmsg;
 
   // Try to recover the topAlgList from the ApplicationManager for backward-compatibility
   if (m_topAlgNames.value().empty()){
     info() << "TopAlg list empty. Recovering the one of Application Manager" << endmsg;
     const Gaudi::Utils::TypeNameString appMgrName("ApplicationMgr/ApplicationMgr");
     SmartIF<IProperty> appMgrProps (serviceLocator()->service(appMgrName));
     m_topAlgNames.assign(appMgrProps->getProperty("TopAlg"));
   }
 
   // XXX: Prepare empty Control Flow graph
   const std::string& name = "ExecutionFlowGraph";
   SmartIF<ISvcLocator> svc = serviceLocator();
   m_EFGraph = new concurrency::ExecutionFlowGraph(name, svc);
 
   sc = decodeTopAlgs();
   if (sc.isFailure())
     warning() << "Algorithms could not be properly decoded." << endmsg;
 
   // let's assume all resources are there
   m_available_resources.set();
   return StatusCode::SUCCESS;
 }

StatusCode AlgResourcePool::releaseAlgorithm	(	const std::string &	name,
		IAlgorithm *&	algo
	)

override

Release a certain algorithm.

Definition at line 129 of file AlgResourcePool.cpp.

                                                                                     {
 
   std::hash<std::string> hash_function;
   size_t algo_id = hash_function(name);
 
   // release resources used by the algorithm
   m_resource_mutex.lock();
   m_available_resources|= m_resource_requirements[algo_id];
   m_resource_mutex.unlock();
 
   //release algorithm itself
   m_algqueue_map[algo_id]->push(algo);
   return StatusCode::SUCCESS;
  }

StatusCode AlgResourcePool::releaseResource ( const std::string & name )

override

Release a certrain resource.

Definition at line 155 of file AlgResourcePool.cpp.

                                                                 {
   m_resource_mutex.lock();
   m_available_resources[m_resource_indices[name]] = true;
   m_resource_mutex.unlock();
   return StatusCode::SUCCESS;
 }

StatusCode AlgResourcePool::start ( )

override

Definition at line 67 of file AlgResourcePool.cpp.

                                  {
 
   StatusCode startSc = Service::start();
   if ( ! startSc.isSuccess() ) return startSc;
 
   // sys-Start the algos
   for (auto& ialgo : m_algList){
     startSc = ialgo->sysStart();
     if (startSc.isFailure()){
       error() << "Unable to start Algorithm: " << ialgo->name() << endmsg;
       return startSc;
       }
     }
   return StatusCode::SUCCESS;
 }

StatusCode AlgResourcePool::stop ( )

override

Definition at line 418 of file AlgResourcePool.cpp.

                                 {
 
   StatusCode stopSc = Service::stop();
   if ( ! stopSc.isSuccess() ) return stopSc;
 
   // sys-Stop the algos
   for (auto& ialgo : m_algList){
     stopSc = ialgo->sysStop();
     if (stopSc.isFailure()){
       error() << "Unable to stop Algorithm: " << ialgo->name() << endmsg;
       return stopSc;
     }
     }
   return StatusCode::SUCCESS;
 }

Member Data Documentation

ListAlg AlgResourcePool::m_algList

private

The list of all algorithms created withing the Pool which are not top.

Definition at line 89 of file AlgResourcePool.h.

std::map<size_t, concurrentQueueIAlgPtr*> AlgResourcePool::m_algqueue_map

private

Definition at line 71 of file AlgResourcePool.h.

state_type AlgResourcePool::m_available_resources {0}

private

Definition at line 70 of file AlgResourcePool.h.

concurrency::ExecutionFlowGraph* AlgResourcePool::m_EFGraph = nullptr

private

OMG yet another hack.

Definition at line 104 of file AlgResourcePool.h.

ListAlg AlgResourcePool::m_flatUniqueAlgList

private

The flat list of algorithms w/o clones.

Definition at line 95 of file AlgResourcePool.h.

std::list<IAlgorithm*> AlgResourcePool::m_flatUniqueAlgPtrList

private

The flat list of algorithms w/o clones which is returned.

Definition at line 98 of file AlgResourcePool.h.

Gaudi::Property<bool> AlgResourcePool::m_lazyCreation {this, "CreateLazily", false, ""}

private

Definition at line 84 of file AlgResourcePool.h.

std::map<size_t, size_t> AlgResourcePool::m_n_of_allowed_instances

private

Definition at line 73 of file AlgResourcePool.h.

std::map<size_t, unsigned int> AlgResourcePool::m_n_of_created_instances

private

Definition at line 74 of file AlgResourcePool.h.

std::map<std::string, unsigned int> AlgResourcePool::m_resource_indices

private

Definition at line 75 of file AlgResourcePool.h.

std::mutex AlgResourcePool::m_resource_mutex

private

Definition at line 68 of file AlgResourcePool.h.

std::map<size_t, state_type> AlgResourcePool::m_resource_requirements

private

Definition at line 72 of file AlgResourcePool.h.

ListAlg AlgResourcePool::m_topAlgList

private

The list of top algorithms.

Definition at line 92 of file AlgResourcePool.h.

Gaudi::Property<std::vector<std::string> > AlgResourcePool::m_topAlgNames

private

Initial value:

{

this, "TopAlg", {}, "names of the algorithms to be passed to the algorithm manager"}

Definition at line 85 of file AlgResourcePool.h.

std::list<IAlgorithm*> AlgResourcePool::m_topAlgPtrList

private

The top list of algorithms.

Definition at line 101 of file AlgResourcePool.h.

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

GaudiHive/src/AlgResourcePool.h
GaudiHive/src/AlgResourcePool.cpp

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation