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ForwardSchedulerSvc.cpp
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1 // Local
2 #include "ForwardSchedulerSvc.h"
3 #include "AlgResourcePool.h"
4 #include "AlgoExecutionTask.h"
5
6 // Framework includes
7 #include "GaudiAlg/GaudiAlgorithm.h"
8 #include "GaudiKernel/Algorithm.h" // will be IAlgorithm if context getter promoted to interface
9 #include "GaudiKernel/ConcurrencyFlags.h"
10 #include "GaudiKernel/DataHandleHolderVisitor.h"
11 #include "GaudiKernel/IAlgorithm.h"
12 #include "GaudiKernel/IDataManagerSvc.h"
13 #include "GaudiKernel/SvcFactory.h"
14 #include "GaudiKernel/ThreadLocalContext.h"
15
16 // C++
17 #include <algorithm>
18 #include <map>
19 #include <queue>
20 #include <sstream>
21 #include <unordered_set>
22
23 // External libs
24 #include "boost/algorithm/string.hpp"
25 #include "boost/thread.hpp"
26 #include "boost/tokenizer.hpp"
27 // DP waiting for the TBB service
28 #include "tbb/task_scheduler_init.h"
29
30 std::mutex ForwardSchedulerSvc::m_ssMut;
31 std::list<ForwardSchedulerSvc::SchedulerState> ForwardSchedulerSvc::m_sState;
32
33 // Instantiation of a static factory class used by clients to create instances of this service
34 DECLARE_SERVICE_FACTORY( ForwardSchedulerSvc )
35
36 //===========================================================================
37 // Infrastructure methods
38
39
44 StatusCode ForwardSchedulerSvc::initialize()
45 {
46
47 // Initialise mother class (read properties, ...)
48 StatusCode sc( Service::initialize() );
49 if ( !sc.isSuccess() ) warning() << "Base class could not be initialized" << endmsg;
50
51 // Get hold of the TBBSvc. This should initialize the thread pool
52 m_threadPoolSvc = serviceLocator()->service( "ThreadPoolSvc" );
53 if ( !m_threadPoolSvc.isValid() ) {
54 fatal() << "Error retrieving ThreadPoolSvc" << endmsg;
55 return StatusCode::FAILURE;
56 }
57
58 // Activate the scheduler in another thread.
59 info() << "Activating scheduler in a separate thread" << endmsg;
60 m_thread = std::thread( std::bind( &ForwardSchedulerSvc::activate, this ) );
61
62 while ( m_isActive != ACTIVE ) {
63 if ( m_isActive == FAILURE ) {
64 fatal() << "Terminating initialization" << endmsg;
65 return StatusCode::FAILURE;
66 } else {
67 info() << "Waiting for ForwardSchedulerSvc to activate" << endmsg;
68 sleep( 1 );
69 }
70 }
71
72 // Get the algo resource pool
73 m_algResourcePool = serviceLocator()->service( "AlgResourcePool" );
74 if ( !m_algResourcePool.isValid() ) {
75 fatal() << "Error retrieving AlgoResourcePool" << endmsg;
76 return StatusCode::FAILURE;
77 }
78
79 m_algExecStateSvc = serviceLocator()->service( "AlgExecStateSvc" );
80 if ( !m_algExecStateSvc.isValid() ) {
81 fatal() << "Error retrieving AlgExecStateSvc" << endmsg;
82 return StatusCode::FAILURE;
83 }
84
85 // Get Whiteboard
86 m_whiteboard = serviceLocator()->service( m_whiteboardSvcName );
87 if ( !m_whiteboard.isValid() ) {
88 fatal() << "Error retrieving EventDataSvc interface IHiveWhiteBoard." << endmsg;
89 return StatusCode::FAILURE;
90 }
91
92 // Check the MaxEventsInFlight parameters and react
93 // Deprecated for the moment
94 size_t numberOfWBSlots = m_whiteboard->getNumberOfStores();
95 if ( m_maxEventsInFlight != 0 ) {
96 warning() << "Property MaxEventsInFlight was set. This works but it's deprecated. "
97 << "Please migrate your code options files." << endmsg;
98
99 if ( m_maxEventsInFlight != (int)numberOfWBSlots ) {
100 warning() << "In addition, the number of events in flight (" << m_maxEventsInFlight
101 << ") differs from the slots in the whiteboard (" << numberOfWBSlots
102 << "). Setting the number of events in flight to " << numberOfWBSlots << endmsg;
103 }
104 }
105
106 // set global concurrency flags
107 Gaudi::Concurrency::ConcurrencyFlags::setNumConcEvents( numberOfWBSlots );
108
109 // Align the two quantities
110 m_maxEventsInFlight = numberOfWBSlots;
111
112 // Set the number of free slots
113 m_freeSlots = m_maxEventsInFlight;
114
115 if ( m_algosDependencies.size() != 0 ) {
116 warning() << " ##### Property AlgosDependencies is deprecated and ignored."
117 << " FIX your job options #####" << endmsg;
118 }
119
120 // Get the list of algorithms
121 const std::list<IAlgorithm*>& algos = m_algResourcePool->getFlatAlgList();
122 const unsigned int algsNumber = algos.size();
123 info() << "Found " << algsNumber << " algorithms" << endmsg;
124
125 /* Dependencies
126 1) Look for handles in algo, if none
127 2) Assume none are required
128 */
129
130 DataObjIDColl globalInp, globalOutp;
131
132 // figure out all outputs
133 for ( IAlgorithm* ialgoPtr : algos ) {
134 Algorithm* algoPtr = dynamic_cast<Algorithm*>( ialgoPtr );
135 if ( !algoPtr ) {
136 fatal() << "Could not convert IAlgorithm into Algorithm: this will result in a crash." << endmsg;
137 }
138 for ( auto id : algoPtr->outputDataObjs() ) {
139 auto r = globalOutp.insert( id );
140 if ( !r.second ) {
141 warning() << "multiple algorithms declare " << id << " as output! could be a single instance in multiple paths "
142 "though, or control flow may guarantee only one runs...!"
143 << endmsg;
144 }
145 }
146 }
147
148 std::ostringstream ostdd;
149 ostdd << "Data Dependencies for Algorithms:";
150
151 std::vector<DataObjIDColl> m_algosDependencies;
152 for ( IAlgorithm* ialgoPtr : algos ) {
153 Algorithm* algoPtr = dynamic_cast<Algorithm*>( ialgoPtr );
154 if ( nullptr == algoPtr ) {
155 fatal() << "Could not convert IAlgorithm into Algorithm for " << ialgoPtr->name()
156 << ": this will result in a crash." << endmsg;
157 return StatusCode::FAILURE;
158 }
159
160 ostdd << "\n " << algoPtr->name();
161
162 DataObjIDColl algoDependencies;
163 if ( !algoPtr->inputDataObjs().empty() || !algoPtr->outputDataObjs().empty() ) {
164 for ( auto id : algoPtr->inputDataObjs() ) {
165 ostdd << "\n o INPUT " << id;
166 if ( id.key().find( ":" ) != std::string::npos ) {
167 ostdd << " contains alternatives which require resolution...\n";
168 auto tokens = boost::tokenizer<boost::char_separator<char>>{id.key(), boost::char_separator<char>{":"}};
169 auto itok = std::find_if( tokens.begin(), tokens.end(), [&]( const std::string& t ) {
170 return globalOutp.find( DataObjID{t} ) != globalOutp.end();
171 } );
172 if ( itok != tokens.end() ) {
173 ostdd << "found matching output for " << *itok << " -- updating scheduler info\n";
174 id.updateKey( *itok );
175 } else {
176 error() << "failed to find alternate in global output list"
177 << " for id: " << id << " in Alg " << algoPtr->name() << endmsg;
178 m_showDataDeps = true;
179 }
180 }
181 algoDependencies.insert( id );
182 globalInp.insert( id );
183 }
184 for ( auto id : algoPtr->outputDataObjs() ) {
185 ostdd << "\n o OUTPUT " << id;
186 if ( id.key().find( ":" ) != std::string::npos ) {
187 error() << " in Alg " << algoPtr->name() << " alternatives are NOT allowed for outputs! id: " << id << endmsg;
188 m_showDataDeps = true;
189 }
190 }
191 } else {
192 ostdd << "\n none";
193 }
194 m_algosDependencies.emplace_back( algoDependencies );
195 }
196
197 if ( m_showDataDeps ) {
198 info() << ostdd.str() << endmsg;
199 }
200
201 // Fill the containers to convert algo names to index
202 m_algname_vect.reserve( algsNumber );
203 unsigned int index = 0;
204 IAlgorithm* dataLoaderAlg( nullptr );
205 for ( IAlgorithm* algo : algos ) {
206 const std::string& name = algo->name();
207 m_algname_index_map[name] = index;
208 m_algname_vect.emplace_back( name );
209 if ( algo->name() == m_useDataLoader ) {
210 dataLoaderAlg = algo;
211 }
212 index++;
213 }
214
215 // Check if we have unmet global input dependencies
216 if ( m_checkDeps ) {
217 DataObjIDColl unmetDep;
218 for ( auto o : globalInp ) {
219 if ( globalOutp.find( o ) == globalOutp.end() ) {
220 unmetDep.insert( o );
221 }
222 }
223
224 if ( unmetDep.size() > 0 ) {
225
226 std::ostringstream ost;
227 for ( auto& o : unmetDep ) {
228 ost << "\n o " << o << " required by Algorithm: ";
229 for ( size_t i = 0; i < m_algosDependencies.size(); ++i ) {
230 if ( m_algosDependencies[i].find( o ) != m_algosDependencies[i].end() ) {
231 ost << "\n * " << m_algname_vect[i];
232 }
233 }
234 }
235
236 if ( m_useDataLoader != "" ) {
237 // Find the DataLoader Alg
238 if ( dataLoaderAlg == nullptr ) {
239 fatal() << "No DataLoader Algorithm \"" << m_useDataLoader.value()
240 << "\" found, and unmet INPUT dependencies "
241 << "detected:\n"
242 << ost.str() << endmsg;
243 return StatusCode::FAILURE;
244 }
245
246 info() << "Will attribute the following unmet INPUT dependencies to \"" << dataLoaderAlg->type() << "/"
247 << dataLoaderAlg->name() << "\" Algorithm" << ost.str() << endmsg;
248
249 // Set the property Load of DataLoader Alg
250 Algorithm* dataAlg = dynamic_cast<Algorithm*>( dataLoaderAlg );
251 if ( !dataAlg ) {
252 fatal() << "Unable to dcast DataLoader \"" << m_useDataLoader.value() << "\" IAlg to Algorithm" << endmsg;
253 return StatusCode::FAILURE;
254 }
255
256 for ( auto& id : unmetDep ) {
257 debug() << "adding OUTPUT dep \"" << id << "\" to " << dataLoaderAlg->type() << "/" << dataLoaderAlg->name()
258 << endmsg;
259 dataAlg->addDependency( id, Gaudi::DataHandle::Writer );
260 }
261
262 } else {
263 fatal() << "Auto DataLoading not requested, "
264 << "and the following unmet INPUT dependencies were found:" << ost.str() << endmsg;
265 return StatusCode::FAILURE;
266 }
267
268 } else {
269 info() << "No unmet INPUT data dependencies were found" << endmsg;
270 }
271 }
272
273 const AlgResourcePool* algPool = dynamic_cast<const AlgResourcePool*>( m_algResourcePool.get() );
274 m_efManager.initialize( algPool->getCFGraph(), m_algname_index_map );
275 unsigned int controlFlowNodeNumber = m_efManager.getCFGraph()->getControlFlowNodeCounter();
276
277 // Shortcut for the message service
278 SmartIF<IMessageSvc> messageSvc( serviceLocator() );
279 if ( !messageSvc.isValid() ) error() << "Error retrieving MessageSvc interface IMessageSvc." << endmsg;
280
281 m_eventSlots.assign( m_maxEventsInFlight,
282 EventSlot( m_algosDependencies, algsNumber, controlFlowNodeNumber, messageSvc ) );
283 std::for_each( m_eventSlots.begin(), m_eventSlots.end(), []( EventSlot& slot ) { slot.complete = true; } );
284
285 // Clearly inform about the level of concurrency
286 info() << "Concurrency level information:" << endmsg;
287 info() << " o Number of events in flight: " << m_maxEventsInFlight << endmsg;
288 info() << " o Number of algorithms in flight: " << m_maxAlgosInFlight << endmsg;
289 info() << " o TBB thread pool size: " << m_threadPoolSize << endmsg;
290
291 m_efg = algPool->getCFGraph();
292
293 if ( m_showControlFlow ) {
294 info() << std::endl << "========== Algorithm and Sequence Configuration ==========" << std::endl << std::endl;
295 info() << m_efg->dumpControlFlow() << endmsg;
296 }
297
298 if ( m_showDataFlow ) {
299 warning() << "A 1-level data flow dump requested, but this feature is not supported"
300 << " by the ForwardScheduler any more. Use the AvalancheScheduler"
301 << " to dump as 1-level data flow, so the complete data flow graph." << endmsg;
302 }
303
304 return sc;
305 }
306 //---------------------------------------------------------------------------
307
311 StatusCode ForwardSchedulerSvc::finalize()
312 {
313
314 StatusCode sc( Service::finalize() );
315 if ( !sc.isSuccess() ) warning() << "Base class could not be finalized" << endmsg;
316
317 sc = deactivate();
318 if ( !sc.isSuccess() ) warning() << "Scheduler could not be deactivated" << endmsg;
319
320 info() << "Joining Scheduler thread" << endmsg;
321 m_thread.join();
322
323 // Final error check after thread pool termination
324 if ( m_isActive == FAILURE ) {
325 error() << "problems in scheduler thread" << endmsg;
326 return StatusCode::FAILURE;
327 }
328
329 return sc;
330 }
331 //---------------------------------------------------------------------------
342 void ForwardSchedulerSvc::activate()
343 {
344
345 if ( msgLevel( MSG::DEBUG ) ) debug() << "ForwardSchedulerSvc::activate()" << endmsg;
346
347 if ( m_threadPoolSvc->initPool( m_threadPoolSize ).isFailure() ) {
348 error() << "problems initializing ThreadPoolSvc" << endmsg;
349 m_isActive = FAILURE;
350 return;
351 }
352
353 // Wait for actions pushed into the queue by finishing tasks.
354 action thisAction;
355 StatusCode sc( StatusCode::SUCCESS );
356
357 m_isActive = ACTIVE;
358
359 // Continue to wait if the scheduler is running or there is something to do
360 info() << "Start checking the actionsQueue" << endmsg;
361 while ( m_isActive == ACTIVE or m_actionsQueue.size() != 0 ) {
362 m_actionsQueue.pop( thisAction );
363 sc = thisAction();
364 if ( sc != StatusCode::SUCCESS )
365 verbose() << "Action did not succeed (which is not bad per se)." << endmsg;
366 else
367 verbose() << "Action succeeded." << endmsg;
368 }
369
370 info() << "Terminating thread-pool resources" << endmsg;
371 if ( m_threadPoolSvc->terminatePool().isFailure() ) {
372 error() << "Problems terminating thread pool" << endmsg;
373 m_isActive = FAILURE;
374 }
375 }
376
377 //---------------------------------------------------------------------------
378
385 StatusCode ForwardSchedulerSvc::deactivate()
386 {
387
388 if ( m_isActive == ACTIVE ) {
389 // Drain the scheduler
390 m_actionsQueue.push( std::bind( &ForwardSchedulerSvc::m_drain, this ) );
391 // This would be the last action
392 m_actionsQueue.push( [this]() -> StatusCode {
393 m_isActive = INACTIVE;
394 return StatusCode::SUCCESS;
395 } );
396 }
397
398 return StatusCode::SUCCESS;
399 }
400
401 //===========================================================================
402
403 //===========================================================================
404 // Utils and shortcuts
405
406 inline const std::string& ForwardSchedulerSvc::index2algname( unsigned int index ) { return m_algname_vect[index]; }
407
408 //---------------------------------------------------------------------------
409
410 inline unsigned int ForwardSchedulerSvc::algname2index( const std::string& algoname )
411 {
412 unsigned int index = m_algname_index_map[algoname];
413 return index;
414 }
415
416 //===========================================================================
417 // EventSlot management
424 StatusCode ForwardSchedulerSvc::pushNewEvent( EventContext* eventContext )
425 {
426
427 if ( m_first ) {
428 m_first = false;
429 }
430
431 if ( !eventContext ) {
432 fatal() << "Event context is nullptr" << endmsg;
433 return StatusCode::FAILURE;
434 }
435
436 if ( m_freeSlots.load() == 0 ) {
437 if ( msgLevel( MSG::DEBUG ) ) debug() << "A free processing slot could not be found." << endmsg;
438 return StatusCode::FAILURE;
439 }
440
441 // no problem as push new event is only called from one thread (event loop manager)
442 m_freeSlots--;
443
444 auto action = [this, eventContext]() -> StatusCode {
445 // Event processing slot forced to be the same as the wb slot
446 const unsigned int thisSlotNum = eventContext->slot();
447 EventSlot& thisSlot = m_eventSlots[thisSlotNum];
448 if ( !thisSlot.complete ) {
449 fatal() << "The slot " << thisSlotNum << " is supposed to be a finished event but it's not" << endmsg;
450 return StatusCode::FAILURE;
451 }
452
453 debug() << "Executing event " << eventContext->evt() << " on slot " << thisSlotNum << endmsg;
454 thisSlot.reset( eventContext );
455
456 return this->updateStates( thisSlotNum );
457 }; // end of lambda
458
459 // Kick off the scheduling!
460 if ( msgLevel( MSG::VERBOSE ) ) {
461 verbose() << "Pushing the action to update the scheduler for slot " << eventContext->slot() << endmsg;
462 verbose() << "Free slots available " << m_freeSlots.load() << endmsg;
463 }
464 m_actionsQueue.push( action );
465
466 return StatusCode::SUCCESS;
467 }
468
469 //---------------------------------------------------------------------------
470 StatusCode ForwardSchedulerSvc::pushNewEvents( std::vector<EventContext*>& eventContexts )
471 {
472 StatusCode sc;
473 for ( auto context : eventContexts ) {
474 sc = pushNewEvent( context );
475 if ( sc != StatusCode::SUCCESS ) return sc;
476 }
477 return sc;
478 }
479
480 //---------------------------------------------------------------------------
481 unsigned int ForwardSchedulerSvc::freeSlots() { return std::max( m_freeSlots.load(), 0 ); }
482
483 //---------------------------------------------------------------------------
487 StatusCode ForwardSchedulerSvc::m_drain()
488 {
489 unsigned int slotNum = 0;
490 for ( auto& thisSlot : m_eventSlots ) {
491 if ( not thisSlot.algsStates.allAlgsExecuted() and not thisSlot.complete ) {
492 updateStates( slotNum );
493 }
494 slotNum++;
495 }
496 return StatusCode::SUCCESS;
497 }
498
499 //---------------------------------------------------------------------------
503 StatusCode ForwardSchedulerSvc::popFinishedEvent( EventContext*& eventContext )
504 {
505 // debug() << "popFinishedEvent: queue size: " << m_finishedEvents.size() << endmsg;
506 if ( m_freeSlots.load() == m_maxEventsInFlight or m_isActive == INACTIVE ) {
507 // debug() << "freeslots: " << m_freeSlots << "/" << m_maxEventsInFlight
508 // << " active: " << m_isActive << endmsg;
509 return StatusCode::FAILURE;
510 } else {
511 // debug() << "freeslots: " << m_freeSlots << "/" << m_maxEventsInFlight
512 // << " active: " << m_isActive << endmsg;
513 m_finishedEvents.pop( eventContext );
514 m_freeSlots++;
515 if ( msgLevel( MSG::DEBUG ) )
516 debug() << "Popped slot " << eventContext->slot() << "(event " << eventContext->evt() << ")" << endmsg;
517 return StatusCode::SUCCESS;
518 }
519 }
520
521 //---------------------------------------------------------------------------
525 StatusCode ForwardSchedulerSvc::tryPopFinishedEvent( EventContext*& eventContext )
526 {
527 if ( m_finishedEvents.try_pop( eventContext ) ) {
528 if ( msgLevel( MSG::DEBUG ) )
529 debug() << "Try Pop successful slot " << eventContext->slot() << "(event " << eventContext->evt() << ")"
530 << endmsg;
531 m_freeSlots++;
532 return StatusCode::SUCCESS;
533 }
534 return StatusCode::FAILURE;
535 }
536
537 //---------------------------------------------------------------------------
543 StatusCode ForwardSchedulerSvc::eventFailed( EventContext* eventContext )
544 {
545
546 // Set the number of slots available to an error code
547 m_freeSlots.store( 0 );
548
549 fatal() << "*** Event " << eventContext->evt() << " on slot " << eventContext->slot() << " failed! ***" << endmsg;
550
551 std::ostringstream ost;
552 m_algExecStateSvc->dump( ost, *eventContext );
553
554 info() << "Dumping Alg Exec State for slot " << eventContext->slot() << ":\n" << ost.str() << endmsg;
555
556 dumpSchedulerState( -1 );
557
558 // Empty queue and deactivate the service
559 action thisAction;
560 while ( m_actionsQueue.try_pop( thisAction ) ) {
561 };
562 deactivate();
563
564 // Push into the finished events queue the failed context
565 EventContext* thisEvtContext;
566 while ( m_finishedEvents.try_pop( thisEvtContext ) ) {
567 m_finishedEvents.push( thisEvtContext );
568 };
569 m_finishedEvents.push( eventContext );
570
571 return StatusCode::FAILURE;
572 }
573
574 //===========================================================================
575
576 //===========================================================================
577 // States Management
578
588 StatusCode ForwardSchedulerSvc::updateStates( int si )
589 {
590
591 m_updateNeeded = true;
592
593 // Fill a map of initial state / action using closures.
594 // done to update the states w/o several if/elses
595 // Posterchild for constexpr with gcc4.7 onwards!
596 /*const std::map<AlgsExecutionStates::State, std::function<StatusCode(unsigned int iAlgo, int si)>>
597 statesTransitions = {
598 {AlgsExecutionStates::CONTROLREADY, std::bind(&ForwardSchedulerSvc::promoteToDataReady,
599 this,
600 std::placeholders::_1,
601 std::placeholders::_2)},
602 {AlgsExecutionStates::DATAREADY, std::bind(&ForwardSchedulerSvc::promoteToScheduled,
603 this,
604 std::placeholders::_1,
605 std::placeholders::_2)}
606 };*/
607
608 StatusCode global_sc( StatusCode::FAILURE, true );
609
610 // Sort from the oldest to the newest event
611 // Prepare a vector of pointers to the slots to avoid copies
612 std::vector<EventSlot*> eventSlotsPtrs;
613
614 // Consider all slots if si <0 or just one otherwise
615 if ( si < 0 ) {
616 const int eventsSlotsSize( m_eventSlots.size() );
617 eventSlotsPtrs.reserve( eventsSlotsSize );
618 for ( auto slotIt = m_eventSlots.begin(); slotIt != m_eventSlots.end(); slotIt++ ) {
619 if ( !slotIt->complete ) eventSlotsPtrs.push_back( &( *slotIt ) );
620 }
621 std::sort( eventSlotsPtrs.begin(), eventSlotsPtrs.end(),
622 []( EventSlot* a, EventSlot* b ) { return a->eventContext->evt() < b->eventContext->evt(); } );
623 } else {
624 eventSlotsPtrs.push_back( &m_eventSlots[si] );
625 }
626
627 for ( EventSlot* thisSlotPtr : eventSlotsPtrs ) {
628 int iSlot = thisSlotPtr->eventContext->slot();
629
630 // Cache the states of the algos to improve readability and performance
631 auto& thisSlot = m_eventSlots[iSlot];
632 AlgsExecutionStates& thisAlgsStates = thisSlot.algsStates;
633
634 // Take care of the control ready update
635 m_efManager.updateEventState( thisAlgsStates, thisSlot.controlFlowState );
636
637 // DF note: all this this is a loop over all algs and applies CR->DR and DR->SCHD transistions
638 /*for (unsigned int iAlgo=0;iAlgo<m_algname_vect.size();++iAlgo){
639 const AlgsExecutionStates::State& algState = thisAlgsStates[iAlgo];
640 if (algState==AlgsExecutionStates::ERROR)
641 error() << " Algo " << index2algname(iAlgo) << " is in ERROR state." << endmsg;
642 // Loop on state transitions from the one suited to algo state up to the one for SCHEDULED.
643 partial_sc=StatusCode::SUCCESS;
644 for (auto state_transition = statesTransitions.find(algState);
645 state_transition!=statesTransitions.end() && partial_sc.isSuccess();
646 state_transition++){
647 partial_sc = state_transition->second(iAlgo,iSlot);
648 if (partial_sc.isFailure()){
649 verbose() << "Could not apply transition from "
650 << AlgsExecutionStates::stateNames[thisAlgsStates[iAlgo]]
651 << " for algorithm " << index2algname(iAlgo)
652 << " on processing slot " << iSlot << endmsg;
653 }
654 else{global_sc=partial_sc;}
655 } // end loop on transitions
656 }*/ // end loop on algos
657
658 StatusCode partial_sc( StatusCode::FAILURE, true );
659 // first update CONTROLREADY to DATAREADY
660 for ( auto it = thisAlgsStates.begin( AlgsExecutionStates::State::CONTROLREADY );
661 it != thisAlgsStates.end( AlgsExecutionStates::State::CONTROLREADY ); ++it ) {
662
663 uint algIndex = *it;
664 partial_sc = promoteToDataReady( algIndex, iSlot );
665 if ( partial_sc.isFailure() )
666 if ( msgLevel( MSG::VERBOSE ) )
667 verbose() << "Could not apply transition from "
668 << AlgsExecutionStates::stateNames[AlgsExecutionStates::State::CONTROLREADY] << " for algorithm "
669 << index2algname( algIndex ) << " on processing slot " << iSlot << endmsg;
670 }
671
672 // now update DATAREADY to SCHEDULED
673 for ( auto it = thisAlgsStates.begin( AlgsExecutionStates::State::DATAREADY );
674 it != thisAlgsStates.end( AlgsExecutionStates::State::DATAREADY ); ++it ) {
675 uint algIndex = *it;
676
677 partial_sc = promoteToScheduled( algIndex, iSlot );
678
679 if ( msgLevel( MSG::VERBOSE ) )
680 if ( partial_sc.isFailure() )
681 verbose() << "Could not apply transition from "
682 << AlgsExecutionStates::stateNames[AlgsExecutionStates::State::DATAREADY] << " for algorithm "
683 << index2algname( algIndex ) << " on processing slot " << iSlot << endmsg;
684 }
685
686 // Not complete because this would mean that the slot is already free!
687 if ( !thisSlot.complete && m_efManager.rootDecisionResolved( thisSlot.controlFlowState ) &&
688 !thisSlot.algsStates.algsPresent( AlgsExecutionStates::CONTROLREADY ) &&
689 !thisSlot.algsStates.algsPresent( AlgsExecutionStates::DATAREADY ) &&
690 !thisSlot.algsStates.algsPresent( AlgsExecutionStates::SCHEDULED ) ) {
691
692 thisSlot.complete = true;
693 // if the event did not fail, add it to the finished events
694 // otherwise it is taken care of in the error handling already
695 if ( m_algExecStateSvc->eventStatus( *thisSlot.eventContext ) == EventStatus::Success ) {
696 m_finishedEvents.push( thisSlot.eventContext );
697 if ( msgLevel( MSG::DEBUG ) )
698 debug() << "Event " << thisSlot.eventContext->evt() << " finished (slot " << thisSlot.eventContext->slot()
699 << ")." << endmsg;
700 }
701 // now let's return the fully evaluated result of the control flow
702 if ( msgLevel( MSG::DEBUG ) ) {
703 std::stringstream ss;
704 m_efManager.printEventState( ss, thisSlot.algsStates, thisSlot.controlFlowState, 0 );
705 debug() << ss.str() << endmsg;
706 }
707
708 thisSlot.eventContext = nullptr;
709 } else {
710 StatusCode eventStalledSC = isStalled( iSlot );
711 if ( !eventStalledSC.isSuccess() ) {
712 m_algExecStateSvc->setEventStatus( EventStatus::AlgStall, *thisSlot.eventContext );
713 eventFailed( thisSlot.eventContext ).ignore();
714 }
715 }
716 } // end loop on slots
717
718 verbose() << "States Updated." << endmsg;
719
720 return global_sc;
721 }
722
723 //---------------------------------------------------------------------------
724
731 StatusCode ForwardSchedulerSvc::isStalled( int iSlot )
732 {
733 // Get the slot
734 EventSlot& thisSlot = m_eventSlots[iSlot];
735
736 if ( m_actionsQueue.empty() && m_algosInFlight == 0 &&
737 ( !thisSlot.algsStates.algsPresent( AlgsExecutionStates::DATAREADY ) ) ) {
738
739 info() << "About to declare a stall" << endmsg;
740 fatal() << "*** Stall detected! ***\n" << endmsg;
741 dumpSchedulerState( iSlot );
742 // throw GaudiException ("Stall detected",name(),StatusCode::FAILURE);
743
744 return StatusCode::FAILURE;
745 }
746 return StatusCode::SUCCESS;
747 }
748
749 //---------------------------------------------------------------------------
750
756 void ForwardSchedulerSvc::dumpSchedulerState( int iSlot )
757 {
758
759 // To have just one big message
760 std::ostringstream outputMessageStream;
761
762 outputMessageStream << "============================== Execution Task State ============================="
763 << std::endl;
764 dumpState( outputMessageStream );
765
766 outputMessageStream << std::endl
767 << "============================== Scheduler State ================================="
768 << std::endl;
769
770 int slotCount = -1;
771 for ( auto thisSlot : m_eventSlots ) {
772 slotCount++;
773 if ( thisSlot.complete ) continue;
774
775 outputMessageStream << "----------- slot: " << thisSlot.eventContext->slot()
776 << " event: " << thisSlot.eventContext->evt() << " -----------" << std::endl;
777
778 if ( 0 > iSlot or iSlot == slotCount ) {
779 outputMessageStream << "Algorithms states:" << std::endl;
780
781 const DataObjIDColl& wbSlotContent( thisSlot.dataFlowMgr.content() );
782 for ( unsigned int algoIdx = 0; algoIdx < thisSlot.algsStates.size(); ++algoIdx ) {
783 outputMessageStream << " o " << index2algname( algoIdx ) << " ["
784 << AlgsExecutionStates::stateNames[thisSlot.algsStates[algoIdx]] << "] Data deps: ";
785 DataObjIDColl deps( thisSlot.dataFlowMgr.dataDependencies( algoIdx ) );
786 const int depsSize = deps.size();
787 if ( depsSize == 0 ) outputMessageStream << " none";
788
789 DataObjIDColl missing;
790 for ( auto d : deps ) {
791 outputMessageStream << d << " ";
792 if ( wbSlotContent.find( d ) == wbSlotContent.end() ) {
793 // outputMessageStream << "[missing] ";
794 missing.insert( d );
795 }
796 }
797
798 if ( !missing.empty() ) {
799 outputMessageStream << ". The following are missing: ";
800 for ( auto d : missing ) {
801 outputMessageStream << d << " ";
802 }
803 }
804
805 outputMessageStream << std::endl;
806 }
807
808 // Snapshot of the WhiteBoard
809 outputMessageStream << "\nWhiteboard contents: " << std::endl;
810 for ( auto& product : wbSlotContent ) outputMessageStream << " o " << product << std::endl;
811
812 // Snapshot of the ControlFlow
813 outputMessageStream << "\nControl Flow:" << std::endl;
814 std::stringstream cFlowStateStringStream;
815 m_efManager.printEventState( cFlowStateStringStream, thisSlot.algsStates, thisSlot.controlFlowState, 0 );
816
817 outputMessageStream << cFlowStateStringStream.str() << std::endl;
818 }
819 }
820
821 outputMessageStream << "=================================== END ======================================" << std::endl;
822
823 info() << "Dumping Scheduler State " << std::endl << outputMessageStream.str() << endmsg;
824 }
825
826 //---------------------------------------------------------------------------
827
828 StatusCode ForwardSchedulerSvc::promoteToControlReady( unsigned int iAlgo, int si )
829 {
830
831 // Do the control flow
832 StatusCode sc = m_eventSlots[si].algsStates.updateState( iAlgo, AlgsExecutionStates::CONTROLREADY );
833 if ( sc.isSuccess() )
834 if ( msgLevel( MSG::VERBOSE ) )
835 verbose() << "Promoting " << index2algname( iAlgo ) << " to CONTROLREADY on slot " << si << endmsg;
836
837 return sc;
838 }
839
840 //---------------------------------------------------------------------------
841
842 StatusCode ForwardSchedulerSvc::promoteToDataReady( unsigned int iAlgo, int si )
843 {
844
845 StatusCode sc = m_eventSlots[si].dataFlowMgr.canAlgorithmRun( iAlgo );
846
847 StatusCode updateSc( StatusCode::FAILURE );
848 if ( sc == StatusCode::SUCCESS )
849 updateSc = m_eventSlots[si].algsStates.updateState( iAlgo, AlgsExecutionStates::DATAREADY );
850
851 if ( updateSc.isSuccess() )
852 if ( msgLevel( MSG::VERBOSE ) )
853 verbose() << "Promoting " << index2algname( iAlgo ) << " to DATAREADY on slot " << si << endmsg;
854
855 return updateSc;
856 }
857
858 //---------------------------------------------------------------------------
859
860 StatusCode ForwardSchedulerSvc::promoteToScheduled( unsigned int iAlgo, int si )
861 {
862
863 if ( m_algosInFlight == m_maxAlgosInFlight ) return StatusCode::FAILURE;
864
865 const std::string& algName( index2algname( iAlgo ) );
866 IAlgorithm* ialgoPtr = nullptr;
867 StatusCode sc( m_algResourcePool->acquireAlgorithm( algName, ialgoPtr ) );
868
869 if ( sc.isSuccess() ) { // if we managed to get an algorithm instance try to schedule it
870 EventContext* eventContext( m_eventSlots[si].eventContext );
871 if ( !eventContext )
872 fatal() << "Event context for algorithm " << algName << " is a nullptr (slot " << si << ")" << endmsg;
873
874 ++m_algosInFlight;
875 // prepare a scheduler action to run once the algorithm is executed
876 auto promote2ExecutedClosure =
877 std::bind( &ForwardSchedulerSvc::promoteToExecuted, this, iAlgo, eventContext->slot(), ialgoPtr, eventContext );
878 // Avoid to use tbb if the pool size is 1 and run in this thread
879 if ( -100 != m_threadPoolSize ) {
880
881 // this parent task is needed to promote an Algorithm as EXECUTED,
882 // it will be started as soon as the child task (see below) is completed
883 tbb::task* triggerAlgoStateUpdate =
884 new ( tbb::task::allocate_root() ) enqueueSchedulerActionTask( this, promote2ExecutedClosure );
885 // setting parent's refcount to 1 is made here only for consistency
886 // (in this case since it is not scheduled explicitly and there it has only one child task)
887 triggerAlgoStateUpdate->set_ref_count( 1 );
888 // the child task that executes an Algorithm
889 tbb::task* algoTask = new ( triggerAlgoStateUpdate->allocate_child() )
890 AlgoExecutionTask( ialgoPtr, eventContext, serviceLocator(), m_algExecStateSvc );
891 // schedule the algoTask
892 tbb::task::enqueue( *algoTask );
893
894 } else {
895 AlgoExecutionTask theTask( ialgoPtr, eventContext, serviceLocator(), m_algExecStateSvc );
896 theTask.execute();
897 promote2ExecutedClosure();
898 }
899
900 if ( msgLevel( MSG::DEBUG ) )
901 debug() << "Algorithm " << algName << " was submitted on event " << eventContext->evt() << " in slot " << si
902 << ". Algorithms scheduled are " << m_algosInFlight << endmsg;
903
904 StatusCode updateSc( m_eventSlots[si].algsStates.updateState( iAlgo, AlgsExecutionStates::SCHEDULED ) );
905
906 if ( msgLevel( MSG::VERBOSE ) ) dumpSchedulerState( -1 );
907
908 if ( updateSc.isSuccess() )
909 if ( msgLevel( MSG::VERBOSE ) )
910 verbose() << "Promoting " << index2algname( iAlgo ) << " to SCHEDULED on slot " << si << endmsg;
911 return updateSc;
912 } else {
913 if ( msgLevel( MSG::DEBUG ) )
914 debug() << "Could not acquire instance for algorithm " << index2algname( iAlgo ) << " on slot " << si << endmsg;
915 return sc;
916 }
917 }
918
919 //---------------------------------------------------------------------------
920
921 StatusCode ForwardSchedulerSvc::promoteToExecuted( unsigned int iAlgo, int si, IAlgorithm* algo,
922 EventContext* eventContext )
923 {
924
925 // Put back the instance
926 Algorithm* castedAlgo = dynamic_cast<Algorithm*>( algo ); // DP: expose context getter in IAlgo?
927 if ( !castedAlgo ) fatal() << "The casting did not succeed!" << endmsg;
928 // EventContext* eventContext = castedAlgo->getContext();
929
930 // Check if the execution failed
931 if ( m_algExecStateSvc->eventStatus( *eventContext ) != EventStatus::Success ) eventFailed( eventContext ).ignore();
932
933 Gaudi::Hive::setCurrentContext( eventContext );
934 StatusCode sc = m_algResourcePool->releaseAlgorithm( algo->name(), algo );
935
936 if ( !sc.isSuccess() ) {
937 error() << "[Event " << eventContext->evt() << ", Slot " << eventContext->slot() << "] "
938 << "Instance of algorithm " << algo->name() << " could not be properly put back." << endmsg;
939 return StatusCode::FAILURE;
940 }
941
942 m_algosInFlight--;
943
944 EventSlot& thisSlot = m_eventSlots[si];
945
946 // Update the catalog: some new products may be there
947 m_whiteboard->selectStore( eventContext->slot() ).ignore();
948
949 // update prods in the dataflow
950 // DP: Handles could be used. Just update what the algo wrote
951 DataObjIDColl new_products;
952 m_whiteboard->getNewDataObjects( new_products ).ignore();
953 for ( const auto& new_product : new_products )
954 if ( msgLevel( MSG::DEBUG ) ) debug() << "Found in WB [" << si << "]: " << new_product << endmsg;
955 thisSlot.dataFlowMgr.updateDataObjectsCatalog( new_products );
956
957 if ( msgLevel( MSG::DEBUG ) )
958 debug() << "Algorithm " << algo->name() << " executed in slot " << si << ". Algorithms scheduled are "
959 << m_algosInFlight << endmsg;
960
961 // Limit number of updates
962 if ( m_updateNeeded ) {
963 // Schedule an update of the status of the algorithms
964 auto updateAction = std::bind( &ForwardSchedulerSvc::updateStates, this, -1 );
965 m_actionsQueue.push( updateAction );
966 m_updateNeeded = false;
967 }
968
969 if ( msgLevel( MSG::DEBUG ) )
970 debug() << "Trying to handle execution result of " << index2algname( iAlgo ) << " on slot " << si << endmsg;
971 State state;
972 if ( algo->filterPassed() ) {
973 state = State::EVTACCEPTED;
974 } else {
975 state = State::EVTREJECTED;
976 }
977
978 sc = thisSlot.algsStates.updateState( iAlgo, state );
979
980 if ( sc.isSuccess() )
981 if ( msgLevel( MSG::VERBOSE ) )
982 verbose() << "Promoting " << index2algname( iAlgo ) << " on slot " << si << " to "
983 << AlgsExecutionStates::stateNames[state] << endmsg;
984
985 return sc;
986 }
987
988 //===========================================================================
989 void ForwardSchedulerSvc::addAlg( Algorithm* a, EventContext* e, pthread_t t )
990 {
991
992 std::lock_guard<std::mutex> lock( m_ssMut );
993 m_sState.push_back( SchedulerState( a, e, t ) );
994 }
995
996 //===========================================================================
997 bool ForwardSchedulerSvc::delAlg( Algorithm* a )
998 {
999
1000 std::lock_guard<std::mutex> lock( m_ssMut );
1001
1002 for ( std::list<SchedulerState>::iterator itr = m_sState.begin(); itr != m_sState.end(); ++itr ) {
1003 if ( *itr == a ) {
1004 m_sState.erase( itr );
1005 return true;
1006 }
1007 }
1008
1009 error() << "could not find Alg " << a->name() << " in Scheduler!" << endmsg;
1010 return false;
1011 }
1012
1013 //===========================================================================
1014 void ForwardSchedulerSvc::dumpState( std::ostringstream& ost )
1015 {
1016
1017 std::lock_guard<std::mutex> lock( m_ssMut );
1018
1019 for ( auto it : m_sState ) {
1020 ost << " " << it << std::endl;
1021 }
1022 }
1023
1024 //===========================================================================
1025 void ForwardSchedulerSvc::dumpState()
1026 {
1027
1028 std::lock_guard<std::mutex> lock( m_ssMut );
1029
1030 std::ostringstream ost;
1031 ost << "dumping Executing Threads: [" << m_sState.size() << "]" << std::endl;
1032 dumpState( ost );
1033
1034 info() << ost.str() << endmsg;
1035 }
IThreadPoolSvc::initPool
virtual StatusCode initPool(const int &poolSize)=0
Initializes the thread pool.
ForwardSchedulerSvc::deactivate
StatusCode deactivate()
Deactivate scheduler.
Definition: ForwardSchedulerSvc.cpp:385
AlgsExecutionStates::algsPresent
bool algsPresent(State state) const
Definition: AlgsExecutionStates.h:53
ForwardSchedulerSvc.h
Service::initialize
StatusCode initialize() override
Definition: Service.cpp:64
StatusCode::SUCCESS
Definition: StatusCode.h:31
Algorithm.h
SmartIF< IMessageSvc >
IAlgResourcePool::acquireAlgorithm
virtual StatusCode acquireAlgorithm(const std::string &name, IAlgorithm *&algo, bool blocking=false)=0
Acquire a certain algorithm using its name.
std::unordered_set::empty
T empty(T...args)
ForwardSchedulerSvc::eventFailed
StatusCode eventFailed(EventContext *eventContext)
Method to check if an event failed and take appropriate actions.
Definition: ForwardSchedulerSvc.cpp:543
DataFlowManager::updateDataObjectsCatalog
void updateDataObjectsCatalog(const DataObjIDColl &newProducts)
Update the catalog of available products in the slot.
Definition: DataFlowManager.cpp:65
ForwardSchedulerSvc::m_algResourcePool
SmartIF< IAlgResourcePool > m_algResourcePool
Cache for the algorithm resource pool.
Definition: ForwardSchedulerSvc.h:208
Algorithm::name
const std::string & name() const override
The identifying name of the algorithm object.
Definition: Algorithm.cpp:731
gaudiComponentHelp.name
name
Definition: gaudiComponentHelp.py:32
StatusCode::FAILURE
Definition: StatusCode.h:31
Service::finalize
StatusCode finalize() override
Definition: Service.cpp:174
compareRootHistos.state
state
Definition: compareRootHistos.py:424
std::function< StatusCode()>
EventContext::slot
ContextID_t slot() const
Definition: EventContext.h:40
DataObjID
Definition: DataObjID.h:37
CommonMessagingBase::info
MsgStream & info() const
shortcut for the method msgStream(MSG::INFO)
Definition: CommonMessaging.h:112
ForwardSchedulerSvc::m_efManager
concurrency::recursive_CF::ExecutionFlowManager m_efManager
Member to take care of the control flow.
Definition: ForwardSchedulerSvc.h:239
EventSlot::algsStates
AlgsExecutionStates algsStates
Vector of algorithms states.
Definition: EventSlot.h:37
IAlgExecStateSvc::dump
virtual void dump(std::ostringstream &ost, const EventContext &ctx) const =0
IAlgorithm.h
DataHandleHolderBase::outputDataObjs
const DataObjIDColl & outputDataObjs() const override
Definition: DataHandleHolderBase.h:62
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
ForwardSchedulerSvc::isStalled
StatusCode isStalled(int si)
Check if the scheduling is in a stall.
Definition: ForwardSchedulerSvc.cpp:731
EventSlot::eventContext
EventContext * eventContext
Cache for the eventContext.
Definition: EventSlot.h:32
AlgoExecutionTask
Definition: AlgoExecutionTask.h:14
ThreadLocalContext.h
GaudiAlgorithm.h
Header file for class GaudiAlgorithm.
ForwardSchedulerSvc::updateStates
StatusCode updateStates(int si=-1)
Loop on algorithm in the slots and promote them to successive states (-1 means all slots...
Definition: ForwardSchedulerSvc.cpp:588
ForwardSchedulerSvc::finalize
StatusCode finalize() override
Finalise.
Definition: ForwardSchedulerSvc.cpp:311
CommonMessagingBase::verbose
MsgStream & verbose() const
shortcut for the method msgStream(MSG::VERBOSE)
Definition: CommonMessaging.h:118
MSG::DEBUG
Definition: IMessageSvc.h:16
std::endl
T endl(T...args)
IAlgorithm::filterPassed
virtual bool filterPassed() const =0
Did this algorithm pass or fail its filter criterion for the last event?
ForwardSchedulerSvc::FAILURE
Definition: ForwardSchedulerSvc.h:114
ForwardSchedulerSvc::SchedulerState
Definition: ForwardSchedulerSvc.h:246
ForwardSchedulerSvc::m_threadPoolSvc
SmartIF< IThreadPoolSvc > m_threadPoolSvc
Definition: ForwardSchedulerSvc.h:242
ForwardSchedulerSvc::enqueueSchedulerActionTask
Definition: ForwardSchedulerSvc.h:219
std::unordered_set::end
T end(T...args)
ForwardSchedulerSvc
The SchedulerSvc implements the IScheduler interface.
Definition: ForwardSchedulerSvc.h:83
ForwardSchedulerSvc::pushNewEvent
StatusCode pushNewEvent(EventContext *eventContext) override
Make an event available to the scheduler.
Definition: ForwardSchedulerSvc.cpp:424
MSG::VERBOSE
Definition: IMessageSvc.h:16
AlgResourcePool
The AlgResourcePool is a concrete implementation of the IAlgResourcePool interface.
Definition: AlgResourcePool.h:31
EventContext
This class represents an entry point to all the event specific data.
Definition: EventContext.h:24
AlgsExecutionStates::SCHEDULED
Definition: AlgsExecutionStates.h:36
StatusCode::isFailure
bool isFailure() const
Test for a status code of FAILURE.
Definition: StatusCode.h:86
ForwardSchedulerSvc::m_whiteboard
SmartIF< IHiveWhiteBoard > m_whiteboard
A shortcut to the whiteboard.
Definition: ForwardSchedulerSvc.h:164
std::stringstream
STL class.
std::mutex
ForwardSchedulerSvc::m_drain
StatusCode m_drain()
Drain the actions present in the queue.
Definition: ForwardSchedulerSvc.cpp:487
ForwardSchedulerSvc::ACTIVE
Definition: ForwardSchedulerSvc.h:114
ForwardSchedulerSvc::m_maxAlgosInFlight
Gaudi::Property< unsigned int > m_maxAlgosInFlight
Definition: ForwardSchedulerSvc.h:122
IAlgorithm::type
virtual const std::string & type() const =0
The type of the algorithm.
AlgoExecutionTask::execute
tbb::task * execute() override
Definition: AlgoExecutionTask.cpp:14
EventContext::evt
ContextEvt_t evt() const
Definition: EventContext.h:39
std::string
STL class.
ForwardSchedulerSvc::INACTIVE
Definition: ForwardSchedulerSvc.h:114
ForwardSchedulerSvc::m_freeSlots
std::atomic_int m_freeSlots
Atomic to account for asyncronous updates by the scheduler wrt the rest.
Definition: ForwardSchedulerSvc.h:170
IThreadPoolSvc::terminatePool
virtual StatusCode terminatePool()=0
Finalize the thread pool.
ForwardSchedulerSvc::addAlg
void addAlg(Algorithm *, EventContext *, pthread_t)
Definition: ForwardSchedulerSvc.cpp:989
std::vector::push_back
T push_back(T...args)
CommonMessagingBase::error
MsgStream & error() const
shortcut for the method msgStream(MSG::ERROR)
Definition: CommonMessaging.h:106
SvcFactory.h
EventSlot::dataFlowMgr
DataFlowManager dataFlowMgr
DataFlowManager of this slot.
Definition: EventSlot.h:41
GaudiPython.Bindings.FAILURE
FAILURE
Definition: Bindings.py:57
IHiveWhiteBoard::selectStore
virtual StatusCode selectStore(size_t partitionIndex)=0
Activate an given &#39;slot&#39; for all subsequent calls within the same thread id.
IDataManagerSvc.h
AlgsExecutionStates
The AlgsExecutionStates encodes the state machine for the execution of algorithms within a single eve...
Definition: AlgsExecutionStates.h:28
ForwardSchedulerSvc::m_algosInFlight
unsigned int m_algosInFlight
Number of algoritms presently in flight.
Definition: ForwardSchedulerSvc.h:184
CommonMessagingBase::warning
MsgStream & warning() const
shortcut for the method msgStream(MSG::WARNING)
Definition: CommonMessaging.h:109
ForwardSchedulerSvc::m_finishedEvents
tbb::concurrent_bounded_queue< EventContext * > m_finishedEvents
Queue of finished events.
Definition: ForwardSchedulerSvc.h:173
ForwardSchedulerSvc::m_thread
std::thread m_thread
The thread in which the activate function runs.
Definition: ForwardSchedulerSvc.h:149
IHiveWhiteBoard::getNewDataObjects
virtual StatusCode getNewDataObjects(DataObjIDColl &products)=0
Get the latest new data objects registred in store.
ForwardSchedulerSvc::m_algname_vect
std::vector< std::string > m_algname_vect
Vector to bookkeep the information necessary to the index2name conversion.
Definition: ForwardSchedulerSvc.h:161
std::thread::join
T join(T...args)
ForwardSchedulerSvc::m_sState
static std::list< SchedulerState > m_sState
Definition: ForwardSchedulerSvc.h:275
ForwardSchedulerSvc::m_eventSlots
std::vector< EventSlot > m_eventSlots
Vector of events slots.
Definition: ForwardSchedulerSvc.h:167
ForwardSchedulerSvc::promoteToScheduled
StatusCode promoteToScheduled(unsigned int iAlgo, int si)
Definition: ForwardSchedulerSvc.cpp:860
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
DataHandleHolderBase::inputDataObjs
const DataObjIDColl & inputDataObjs() const override
Definition: DataHandleHolderBase.h:61
std::ostringstream
STL class.
ForwardSchedulerSvc::algname2index
unsigned int algname2index(const std::string &algoname)
Convert a name to an integer.
Definition: ForwardSchedulerSvc.cpp:410
ForwardSchedulerSvc::promoteToExecuted
StatusCode promoteToExecuted(unsigned int iAlgo, int si, IAlgorithm *algo, EventContext *)
Definition: ForwardSchedulerSvc.cpp:921
AlgsExecutionStates::CONTROLREADY
Definition: AlgsExecutionStates.h:34
EventStatus::AlgStall
Definition: IAlgExecStateSvc.h:67
std::ostringstream::str
T str(T...args)
EventStatus::Success
Definition: IAlgExecStateSvc.h:67
IAlgExecStateSvc::setEventStatus
virtual void setEventStatus(const EventStatus::Status &sc, const EventContext &ctx)=0
ForwardSchedulerSvc::freeSlots
unsigned int freeSlots() override
Get free slots number.
Definition: ForwardSchedulerSvc.cpp:481
std::bind
T bind(T...args)
std::unordered_set< DataObjID, DataObjID_Hasher >
ForwardSchedulerSvc::pushNewEvents
StatusCode pushNewEvents(std::vector< EventContext * > &eventContexts) override
Definition: ForwardSchedulerSvc.cpp:470
DataHandleHolderVisitor.h
DECLARE_SERVICE_FACTORY
#define DECLARE_SERVICE_FACTORY(x)
Definition: Service.h:211
EventSlot::complete
bool complete
Flags completion of the event.
Definition: EventSlot.h:39
ForwardSchedulerSvc::m_maxEventsInFlight
Gaudi::Property< int > m_maxEventsInFlight
Definition: ForwardSchedulerSvc.h:116
AlgResourcePool::getCFGraph
concurrency::recursive_CF::ControlFlowGraph * getCFGraph() const
Definition: AlgResourcePool.h:58
std::list< ForwardSchedulerSvc::SchedulerState >
std::max
T max(T...args)
IAlgorithm
The IAlgorithm is the interface implemented by the Algorithm base class.
Definition: IAlgorithm.h:28
Gaudi::Hive::setCurrentContext
GAUDI_API void setCurrentContext(const EventContext *ctx)
Definition: ThreadLocalContext.cpp:35
ForwardSchedulerSvc::m_actionsQueue
tbb::concurrent_bounded_queue< action > m_actionsQueue
Queue where closures are stored and picked for execution.
Definition: ForwardSchedulerSvc.h:216
ForwardSchedulerSvc::m_updateNeeded
bool m_updateNeeded
Keep track of update actions scheduled.
Definition: ForwardSchedulerSvc.h:204
std::unordered_set::insert
T insert(T...args)
DataHandleHolderBase::addDependency
void addDependency(const DataObjID &id, const Gaudi::DataHandle::Mode &mode) override
Definition: DataHandleHolderBase.h:64
ForwardSchedulerSvc::tryPopFinishedEvent
StatusCode tryPopFinishedEvent(EventContext *&eventContext) override
Try to fetch an event from the scheduler.
Definition: ForwardSchedulerSvc.cpp:525
Algorithm
Base class from which all concrete algorithm classes should be derived.
Definition: Algorithm.h:79
std::find_if
T find_if(T...args)
std::list::size
T size(T...args)
std::vector
STL class.
ForwardSchedulerSvc::m_algname_index_map
std::unordered_map< std::string, unsigned int > m_algname_index_map
Map to bookkeep the information necessary to the name2index conversion.
Definition: ForwardSchedulerSvc.h:155
ForwardSchedulerSvc::activate
void activate()
Activate scheduler.
Definition: ForwardSchedulerSvc.cpp:342
EventSlot::reset
void reset(EventContext *theeventContext)
Reset all resources in order to reuse the slot.
Definition: EventSlot.h:25
std::lock_guard
CommonMessagingBase::debug
MsgStream & debug() const
shortcut for the method msgStream(MSG::DEBUG)
Definition: CommonMessaging.h:115
SmartIF::isValid
bool isValid() const
Allow for check if smart pointer is valid.
Definition: SmartIF.h:68
std::vector::begin
T begin(T...args)
concurrency::recursive_CF::ExecutionFlowManager::printEventState
void printEventState(std::stringstream &ss, AlgsExecutionStates &states, const std::vector< int > &node_decisions, const unsigned int &recursionLevel) const
Print the state of the control flow for a given event.
Definition: ExecutionFlowManager.h:42
ForwardSchedulerSvc::m_algExecStateSvc
SmartIF< IAlgExecStateSvc > m_algExecStateSvc
Algorithm execution state manager.
Definition: ForwardSchedulerSvc.h:179
AlgsExecutionStates::begin
Iterator begin(State kind)
Definition: AlgsExecutionStates.h:125
ForwardSchedulerSvc::promoteToControlReady
StatusCode promoteToControlReady(unsigned int iAlgo, int si)
Algorithm promotion: Accepted by the control flow.
Definition: ForwardSchedulerSvc.cpp:828
IAlgExecStateSvc::eventStatus
virtual const EventStatus::Status & eventStatus(const EventContext &ctx) const =0
ForwardSchedulerSvc::popFinishedEvent
StatusCode popFinishedEvent(EventContext *&eventContext) override
Blocks until an event is availble.
Definition: ForwardSchedulerSvc.cpp:503
ConcurrencyFlags.h
ForwardSchedulerSvc::dumpSchedulerState
void dumpSchedulerState(int iSlot)
Dump the state of the scheduler.
Definition: ForwardSchedulerSvc.cpp:756
AlgsExecutionStates::DATAREADY
Definition: AlgsExecutionStates.h:35
EventSlot
Class representing the event slot.
Definition: EventSlot.h:11
Gaudi::DataHandle::Writer
Definition: DataHandle.h:31
ForwardSchedulerSvc::m_ssMut
static std::mutex m_ssMut
Definition: ForwardSchedulerSvc.h:276
ForwardSchedulerSvc::index2algname
const std::string & index2algname(unsigned int index)
Convert an integer to a name.
Definition: ForwardSchedulerSvc.cpp:406
ForwardSchedulerSvc::delAlg
bool delAlg(Algorithm *)
Definition: ForwardSchedulerSvc.cpp:997
concurrency::recursive_CF::ExecutionFlowManager::updateEventState
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Update states and decisions of algorithms.
Definition: ExecutionFlowManager.cpp:17
std::sort
T sort(T...args)
AlgResourcePool.h
concurrency::recursive_CF::ExecutionFlowManager::rootDecisionResolved
bool rootDecisionResolved(const std::vector< int > &node_decisions) const
Check whether root decision was resolved.
Definition: ExecutionFlowManager.cpp:24
ForwardSchedulerSvc::m_isActive
std::atomic< ActivationState > m_isActive
Flag to track if the scheduler is active or not.
Definition: ForwardSchedulerSvc.h:146
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StatusCode initialize() override
Definition: AlgResourcePool.cpp:39
StatusCode::ignore
void ignore() const
Definition: StatusCode.h:109
CommonMessagingBase::fatal
MsgStream & fatal() const
shortcut for the method msgStream(MSG::FATAL)
Definition: CommonMessaging.h:100
ForwardSchedulerSvc::m_first
bool m_first
Definition: ForwardSchedulerSvc.h:244
CommonMessagingBase::msgLevel
MSG::Level msgLevel() const
get the cached level (originally extracted from the embedded MsgStream)
Definition: CommonMessaging.h:124
AlgsExecutionStates::State
State
Execution states of the algorithms.
Definition: AlgsExecutionStates.h:32
std::for_each
T for_each(T...args)
IAlgResourcePool::releaseAlgorithm
virtual StatusCode releaseAlgorithm(const std::string &name, IAlgorithm *&algo)=0
Release a certain algorithm.
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Definition: ForwardSchedulerSvc.h:118
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Definition: ForwardSchedulerSvc.cpp:1025
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Retrieve pointer to service locator.
Definition: Service.cpp:292
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STL class.
endmsg
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MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
ForwardSchedulerSvc::promoteToDataReady
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Definition: ForwardSchedulerSvc.cpp:842
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Definition: ConcurrencyFlags.h:54
AlgoExecutionTask.h
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static std::map< State, std::string > stateNames
Definition: AlgsExecutionStates.h:42
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Iterator end(State kind)
Definition: AlgsExecutionStates.h:127
AlgsExecutionStates::updateState
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Definition: AlgsExecutionStates.cpp:8