G4RunAlg Node1 G4RunAlg - m_flagAbortedEvents - m_killAbortedEvents - m_releaseGeoModel - m_useShadowEvent - m_randomStreamName - m_simplifiedGeoPath - m_verbosities - m_eventInfoKey - m_inputTruthCollectionKey - m_outputTruthCollectionKey and 10 more... + isClonable() + ATLAS_NOT_THREAD_SAFE() + execute() + AthAlgorithm() - releaseGeoModel() * m_flagAbortedEvents * m_killAbortedEvents * m_releaseGeoModel * m_useShadowEvent * m_randomStreamName * m_simplifiedGeoPath * m_verbosities * m_eventInfoKey * m_inputTruthCollectionKey * m_outputTruthCollectionKey and 10 more... Node2 AthAlgorithm - m_extendedExtraObjects + AthAlgorithm() + ~AthAlgorithm() + sysInitialize() + extraOutputDeps() - AthAlgorithm() - AthAlgorithm() - operator=() Node2->Node1 Node3 AthCommonDataStore < AthCommonMsg< Algorithm > > - m_evtStore - m_detStore - m_vhka - m_varHandleArraysDeclared + AthCommonDataStore() + evtStore() + detStore() + sysInitialize() + sysStart() + inputHandles() + outputHandles() + declareProperty() + updateVHKA() # renounceArray() # renounce() # extraDeps_update_handler() - declareGaudiProperty() Node3->Node2 Node4 AthCommonMsg< Algorithm >   + msg() + msgLvl() Node4->Node3 Node5 Algorithm     Node5->Node4