[1761] | 1 | #include "pool_ressource.hpp" |
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| 2 | #include "services.hpp" |
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| 3 | #include "buffer_in.hpp" |
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| 4 | #include "buffer_out.hpp" |
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| 5 | #include "message.hpp" |
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| 6 | #include "type.hpp" |
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| 7 | #include "cxios.hpp" |
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[2246] | 8 | #include "timer.hpp" |
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[2523] | 9 | #include "event_scheduler.hpp" |
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[2547] | 10 | #include "thread_manager.hpp" |
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[1761] | 11 | |
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| 12 | namespace xios |
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| 13 | { |
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[2523] | 14 | CPoolRessource::CPoolRessource(MPI_Comm poolComm, shared_ptr<CEventScheduler> eventScheduler, const std::string& Id, bool isServer) : Id_(Id), finalizeSignal_(false) |
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[1761] | 15 | { |
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| 16 | int commRank, commSize ; |
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| 17 | MPI_Comm_dup(poolComm, &poolComm_) ; |
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[2580] | 18 | CXios::getMpiGarbageCollector().registerCommunicator(poolComm_) ; |
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| 19 | winNotify_ = new CWindowManager(poolComm_, maxBufferSize_,"CPoolRessource::winNotify_") ; |
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[1761] | 20 | MPI_Comm_rank(poolComm, &commRank) ; |
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| 21 | MPI_Comm_size(poolComm, &commSize) ; |
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[2246] | 22 | info(40)<<"CPoolRessource::CPoolRessource : creating new pool : "<<Id<<endl ; |
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[1761] | 23 | if (commRank==localLeader_) |
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| 24 | { |
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| 25 | for(int i=0; i<commSize;i++) occupancy_.insert(std::pair<char,int>(0,i)) ; |
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| 26 | int globalLeaderRank ; |
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| 27 | MPI_Comm_rank(CXios::getXiosComm(),&globalLeaderRank) ; |
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[2458] | 28 | if (isServer) CXios::getRessourcesManager()->registerPoolServer(Id, commSize, globalLeaderRank) ; |
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[1761] | 29 | } |
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| 30 | |
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[2494] | 31 | notifyType_=NOTIFY_NOTHING; |
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[2517] | 32 | winNotify_->updateToExclusiveWindow(commRank, this, &CPoolRessource::notificationsDumpOut) ; |
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[2208] | 33 | MPI_Barrier(poolComm_) ; |
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[2523] | 34 | if (eventScheduler) eventScheduler_=eventScheduler ; |
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| 35 | else eventScheduler_= make_shared<CEventScheduler>(poolComm) ; |
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| 36 | freeRessourceEventScheduler_ = eventScheduler_ ; |
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[2547] | 37 | std::hash<string> hashString ; |
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| 38 | hashId_ = hashString("CPoolRessource::"+Id) ; |
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| 39 | if (CThreadManager::isUsingThreads()) CThreadManager::spawnThread(&CPoolRessource::threadEventLoop, this) ; |
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[1761] | 40 | } |
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| 41 | |
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[2547] | 42 | void CPoolRessource::synchronize(void) |
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| 43 | { |
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| 44 | bool out=false ; |
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| 45 | size_t timeLine=0 ; |
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| 46 | |
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| 47 | eventScheduler_->registerEvent(timeLine, hashId_) ; |
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| 48 | while (!out) |
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| 49 | { |
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| 50 | CThreadManager::yield() ; |
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| 51 | out = eventScheduler_->queryEvent(timeLine,hashId_) ; |
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| 52 | if (out) eventScheduler_->popEvent() ; |
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| 53 | } |
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| 54 | } |
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| 55 | |
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[1761] | 56 | void CPoolRessource::createService(const std::string& serviceId, int type, int size, int nbPartitions) |
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| 57 | { |
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| 58 | // for now suppose nbPartitions=1 |
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| 59 | |
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| 60 | auto it=occupancy_.begin() ; |
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[2523] | 61 | |
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| 62 | // ym obsolete, service cannot overlap, only created on separate ressource or matching excatly existing service |
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| 63 | // occupancy management must not be used anymore => simplification |
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| 64 | // for now raise a message error when no ressources are availables |
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| 65 | |
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[1761] | 66 | int commSize ; |
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| 67 | MPI_Comm_size(poolComm_, &commSize) ; |
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| 68 | vector<bool> procs_in(commSize,false) ; |
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| 69 | vector<pair<int,int>> procs_update ; |
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| 70 | |
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| 71 | for(int i=0; i<size; i++) |
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| 72 | { |
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[2523] | 73 | if (it->first != 0) ERROR("void CPoolRessource::createService(const std::string& serviceId, int type, int size, int nbPartitions)", |
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| 74 | << "No enough free ressources on pool id="<<getId()<<" to launch service id="<<serviceId); |
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[1761] | 75 | procs_in[it->second]=true ; |
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| 76 | procs_update.push_back(std::pair<int,int>(it->first+1,it->second)) ; |
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| 77 | ++it ; |
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| 78 | } |
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[2523] | 79 | |
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| 80 | |
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[1761] | 81 | occupancy_.erase(occupancy_.begin(),it) ; |
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| 82 | occupancy_.insert(procs_update.begin(),procs_update.end()) ; |
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[2246] | 83 | |
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| 84 | info(40)<<"CPoolRessource::createService : notify createService to all pool members ; serviceId : "<<serviceId<<endl ; |
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[1761] | 85 | for(int rank=0; rank<commSize; rank++) |
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| 86 | { |
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| 87 | if (procs_in[rank]) createServiceNotify(rank, serviceId, type, size, nbPartitions, true) ; |
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| 88 | else createServiceNotify(rank, serviceId, type, size, nbPartitions, false) ; |
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| 89 | } |
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| 90 | } |
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| 91 | |
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[2404] | 92 | void CPoolRessource::createServiceOnto(const std::string& serviceId, int type, const std::string& onServiceId) |
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| 93 | { |
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| 94 | // for now suppose nbPartitions=1 |
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| 95 | |
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| 96 | auto it=occupancy_.begin() ; |
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| 97 | int commSize ; |
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| 98 | MPI_Comm_size(poolComm_, &commSize) ; |
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| 99 | |
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| 100 | info(40)<<"CPoolRessource::createService : notify createServiceOnto to all pool members ; serviceId : "<<serviceId |
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| 101 | <<" onto service Id :"<< serviceId<<endl ; |
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| 102 | for(int rank=0; rank<commSize; rank++) createServiceOntoNotify(rank, serviceId, type, onServiceId) ; |
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| 103 | } |
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| 104 | |
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| 105 | /* |
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[1761] | 106 | void CPoolRessource::createServiceNotify(int rank, const std::string& serviceId, int type, int size, int nbPartitions, |
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| 107 | bool in) |
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| 108 | { |
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| 109 | winNotify_->lockWindow(rank,0) ; |
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| 110 | winNotify_->updateFromWindow(rank, this, &CPoolRessource::createServiceDumpIn) ; |
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| 111 | notifications_.push_back(std::make_tuple(serviceId,type,size,nbPartitions,in)) ; |
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| 112 | winNotify_->updateToWindow(rank, this, &CPoolRessource::createServiceDumpOut) ; |
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| 113 | winNotify_->unlockWindow(rank,0) ; |
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| 114 | } |
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[2404] | 115 | */ |
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| 116 | |
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| 117 | void CPoolRessource::createServiceNotify(int rank, const string& serviceId, int type, int size, int nbPartitions, bool in) |
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| 118 | { |
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| 119 | notifyType_=NOTIFY_CREATE_SERVICE ; |
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| 120 | notifyCreateService_=make_tuple(serviceId, type, size, nbPartitions, in ) ; |
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| 121 | sendNotification(rank) ; |
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| 122 | } |
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[1761] | 123 | |
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| 124 | |
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[2404] | 125 | void CPoolRessource::createServiceOntoNotify(int rank, const string& serviceId, int type, const string& onServiceId) |
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| 126 | { |
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| 127 | notifyType_=NOTIFY_CREATE_SERVICE_ONTO ; |
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| 128 | notifyCreateServiceOnto_=make_tuple(serviceId, type, onServiceId) ; |
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| 129 | sendNotification(rank) ; |
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| 130 | } |
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| 131 | |
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| 132 | |
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| 133 | void CPoolRessource::sendNotification(int rank) |
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| 134 | { |
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[2517] | 135 | winNotify_->pushToExclusiveWindow(rank, this, &CPoolRessource::notificationsDumpOut) ; |
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[2404] | 136 | } |
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| 137 | |
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| 138 | void CPoolRessource::checkNotifications(void) |
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| 139 | { |
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| 140 | int commRank ; |
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| 141 | MPI_Comm_rank(poolComm_, &commRank) ; |
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[2517] | 142 | winNotify_->popFromExclusiveWindow(commRank, this, &CPoolRessource::notificationsDumpIn) ; |
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[2547] | 143 | if (notifyType_==NOTIFY_CREATE_SERVICE) |
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| 144 | { |
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| 145 | if (CThreadManager::isUsingThreads()) synchronize() ; |
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| 146 | createService() ; |
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| 147 | } |
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| 148 | else if (notifyType_==NOTIFY_CREATE_SERVICE_ONTO) |
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| 149 | { |
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| 150 | if (CThreadManager::isUsingThreads()) synchronize() ; |
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| 151 | createServiceOnto() ; |
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| 152 | } |
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[2404] | 153 | } |
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| 154 | |
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| 155 | |
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| 156 | void CPoolRessource::notificationsDumpOut(CBufferOut& buffer) |
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| 157 | { |
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| 158 | |
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| 159 | buffer.realloc(maxBufferSize_) ; |
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| 160 | |
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| 161 | if (notifyType_==NOTIFY_CREATE_SERVICE) |
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| 162 | { |
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| 163 | auto& arg=notifyCreateService_ ; |
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| 164 | buffer << notifyType_<< get<0>(arg) << get<1>(arg) << std::get<2>(arg) << get<3>(arg) << get<4>(arg); |
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| 165 | } |
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| 166 | else if (notifyType_==NOTIFY_CREATE_SERVICE_ONTO) |
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| 167 | { |
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| 168 | auto& arg=notifyCreateServiceOnto_ ; |
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| 169 | buffer << notifyType_<< get<0>(arg) << get<1>(arg)<< get<2>(arg) ; |
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| 170 | } |
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| 171 | } |
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| 172 | |
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| 173 | void CPoolRessource::notificationsDumpIn(CBufferIn& buffer) |
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| 174 | { |
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| 175 | if (buffer.bufferSize() == 0) notifyType_= NOTIFY_NOTHING ; |
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| 176 | else |
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| 177 | { |
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| 178 | buffer>>notifyType_; |
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| 179 | if (notifyType_==NOTIFY_CREATE_SERVICE) |
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| 180 | { |
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| 181 | auto& arg=notifyCreateService_ ; |
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| 182 | buffer >> get<0>(arg) >> get<1>(arg) >> std::get<2>(arg)>> get<3>(arg)>> get<4>(arg) ; |
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| 183 | } |
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| 184 | else if (notifyType_==NOTIFY_CREATE_SERVICE_ONTO) |
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| 185 | { |
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| 186 | auto& arg=notifyCreateServiceOnto_ ; |
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| 187 | buffer >> get<0>(arg) >> get<1>(arg) >> get<2>(arg) ; |
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| 188 | } |
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| 189 | } |
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| 190 | } |
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| 191 | |
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| 192 | void CPoolRessource::createService(void) |
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| 193 | { |
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| 194 | auto& arg = notifyCreateService_ ; |
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| 195 | createNewService(get<0>(arg), get<1>(arg), get<2>(arg), get<3>(arg), get<4>(arg)) ; |
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| 196 | } |
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| 197 | |
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| 198 | void CPoolRessource::createServiceOnto(void) |
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| 199 | { |
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| 200 | auto& arg = notifyCreateServiceOnto_ ; |
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| 201 | createNewServiceOnto(get<0>(arg), get<1>(arg), get<2>(arg)) ; |
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| 202 | } |
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| 203 | |
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| 204 | /* |
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[1761] | 205 | void CPoolRessource::createServiceDumpOut(CBufferOut& buffer) |
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| 206 | { |
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| 207 | buffer.realloc(maxBufferSize_) ; |
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| 208 | |
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| 209 | buffer << (int) (notifications_.size()); |
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| 210 | |
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| 211 | for(auto it=notifications_.begin();it!=notifications_.end(); ++it) |
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| 212 | buffer << std::get<0>(*it) << static_cast<int>(std::get<1>(*it))<< std::get<2>(*it)<< std::get<3>(*it) << std::get<4>(*it) ; |
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| 213 | } |
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| 214 | |
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[2404] | 215 | */ |
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[1761] | 216 | |
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[2404] | 217 | /* |
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[1761] | 218 | void CPoolRessource::createServiceDumpIn(CBufferIn& buffer) |
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| 219 | { |
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| 220 | std::string serviceId ; |
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| 221 | int type ; |
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| 222 | int size; |
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| 223 | int nbPartitions; |
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| 224 | bool in ; |
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| 225 | |
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| 226 | notifications_.clear() ; |
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| 227 | int nbNotifications ; |
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| 228 | buffer>>nbNotifications ; |
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| 229 | for(int i=0;i<nbNotifications;i++) |
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| 230 | { |
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| 231 | buffer>>serviceId>>type>>size>>nbPartitions>>in ; |
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| 232 | notifications_.push_back(std::make_tuple(serviceId,type,size,nbPartitions,in)) ; |
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| 233 | } |
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| 234 | } |
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[2404] | 235 | */ |
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[1761] | 236 | |
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[1764] | 237 | bool CPoolRessource::eventLoop(bool serviceOnly) |
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[1761] | 238 | { |
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[2246] | 239 | CTimer::get("CPoolRessource::eventLoop").resume(); |
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| 240 | |
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| 241 | double time=MPI_Wtime() ; |
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[2260] | 242 | int flag ; |
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| 243 | MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &flag, MPI_STATUS_IGNORE); |
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[2246] | 244 | if (time-lastEventLoop_ > eventLoopLatency_) |
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| 245 | { |
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[2404] | 246 | //checkCreateServiceNotification() ; |
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| 247 | checkNotifications() ; |
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[2246] | 248 | lastEventLoop_=time ; |
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| 249 | } |
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| 250 | |
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[1761] | 251 | for (auto it=services_.begin(); it!=services_.end() ; ++it) |
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| 252 | { |
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[1764] | 253 | if (it->second->eventLoop(serviceOnly)) |
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[1761] | 254 | { |
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[2274] | 255 | delete it->second ; |
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[1761] | 256 | services_.erase(it) ; |
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| 257 | // don't forget to free service later |
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| 258 | break ; |
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| 259 | } |
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| 260 | } |
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[2246] | 261 | CTimer::get("CPoolRessource::eventLoop").suspend(); |
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[2547] | 262 | if (services_.empty() && finalizeSignal_) finished_=true ; |
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| 263 | return finished_ ; |
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[1761] | 264 | } |
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[2547] | 265 | |
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| 266 | void CPoolRessource::threadEventLoop(void) |
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| 267 | { |
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| 268 | CTimer::get("CPoolRessource::eventLoop").resume(); |
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| 269 | info(100)<<"Launch Thread for CPoolRessource::threadEventLoop, pool id = "<<Id_<<endl ; |
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| 270 | CThreadManager::threadInitialize() ; |
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| 271 | |
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| 272 | do |
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| 273 | { |
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| 274 | |
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| 275 | double time=MPI_Wtime() ; |
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| 276 | int flag ; |
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| 277 | MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &flag, MPI_STATUS_IGNORE); |
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| 278 | if (time-lastEventLoop_ > eventLoopLatency_) |
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| 279 | { |
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| 280 | //checkCreateServiceNotification() ; |
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| 281 | checkNotifications() ; |
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| 282 | lastEventLoop_=time ; |
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| 283 | } |
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| 284 | |
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| 285 | for(auto it=services_.begin();it!=services_.end();++it) |
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| 286 | { |
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| 287 | if (it->second->isFinished()) |
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| 288 | { |
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| 289 | delete it->second ; |
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| 290 | services_.erase(it) ; |
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| 291 | // destroy server_context -> to do later |
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| 292 | break ; |
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| 293 | } ; |
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| 294 | } |
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| 295 | |
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| 296 | CTimer::get("CPoolRessource::eventLoop").suspend(); |
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| 297 | if (services_.empty() && finalizeSignal_) finished_=true ; |
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| 298 | |
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| 299 | if (!finished_) CThreadManager::yield() ; |
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| 300 | |
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| 301 | } while (!finished_) ; |
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| 302 | |
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| 303 | CThreadManager::threadFinalize() ; |
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| 304 | info(100)<<"Close thread for CPoolRessource::threadEventLoop, pool id = "<<Id_<<endl ; |
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| 305 | } |
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| 306 | |
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[2404] | 307 | /* |
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[1761] | 308 | void CPoolRessource::checkCreateServiceNotification(void) |
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| 309 | { |
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| 310 | int commRank ; |
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| 311 | MPI_Comm_rank(poolComm_, &commRank) ; |
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| 312 | winNotify_->lockWindow(commRank,0) ; |
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| 313 | winNotify_->updateFromWindow(commRank, this, &CPoolRessource::createServiceDumpIn) ; |
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| 314 | |
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| 315 | if (!notifications_.empty()) |
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| 316 | { |
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| 317 | auto info = notifications_.front() ; |
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| 318 | createNewService(get<0>(info), get<1>(info), get<2>(info), get<3>(info), get<4>(info)) ; |
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| 319 | notifications_.pop_front() ; |
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| 320 | winNotify_->updateToWindow(commRank, this, &CPoolRessource::createServiceDumpOut) ; |
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| 321 | } |
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| 322 | winNotify_->unlockWindow(commRank,0) ; |
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| 323 | |
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| 324 | } |
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[2404] | 325 | */ |
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[1761] | 326 | |
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| 327 | void CPoolRessource::createNewService(const std::string& serviceId, int type, int size, int nbPartitions, bool in) |
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| 328 | { |
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[2246] | 329 | |
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[2523] | 330 | info(40)<<"CPoolRessource::createNewService : receive createService notification ; serviceId : "<<serviceId<<endl ; |
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| 331 | MPI_Comm serviceComm, newServiceComm, freeComm ; |
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| 332 | int commRank ; |
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| 333 | |
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| 334 | int color; |
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| 335 | if (!services_.empty()) color = 0 ; |
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| 336 | else color=1 ; |
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| 337 | MPI_Comm_rank(poolComm_,&commRank) ; |
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| 338 | MPI_Comm_split(poolComm_, color, commRank, &freeComm) ; // workaround |
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| 339 | |
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| 340 | if (services_.empty()) |
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| 341 | { |
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| 342 | MPI_Comm_rank(freeComm,&commRank) ; |
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| 343 | MPI_Comm_split(freeComm, in, commRank, &serviceComm) ; |
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[1761] | 344 | |
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[2523] | 345 | // temporary for event scheduler, we must using hierarchical split of free ressources communicator. |
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| 346 | // we hope for now that spliting using occupancy make this match |
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| 347 | |
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| 348 | if (in) |
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| 349 | { |
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| 350 | int serviceCommSize ; |
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| 351 | int serviceCommRank ; |
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| 352 | MPI_Comm_size(serviceComm,&serviceCommSize) ; |
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| 353 | MPI_Comm_rank(serviceComm,&serviceCommRank) ; |
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| 354 | |
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| 355 | info(10)<<"Service "<<serviceId<<" created "<<" service size : "<<serviceCommSize<< " service rank : "<<serviceCommRank |
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| 356 | <<" on rank pool "<<commRank<<endl ; |
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[1761] | 357 | |
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[2523] | 358 | int partitionId ; |
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| 359 | if ( serviceCommRank >= (serviceCommSize/nbPartitions+1)*(serviceCommSize%nbPartitions) ) |
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| 360 | { |
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| 361 | int rank = serviceCommRank - (serviceCommSize/nbPartitions+1)*(serviceCommSize%nbPartitions) ; |
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| 362 | partitionId = serviceCommSize%nbPartitions + rank / (serviceCommSize/nbPartitions) ; |
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| 363 | } |
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| 364 | else partitionId = serviceCommRank / (serviceCommSize/nbPartitions + 1) ; |
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[1761] | 365 | |
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[2523] | 366 | MPI_Comm_split(serviceComm, partitionId, commRank, &newServiceComm) ; |
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| 367 | |
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| 368 | MPI_Comm_size(newServiceComm,&serviceCommSize) ; |
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| 369 | MPI_Comm_rank(newServiceComm,&serviceCommRank) ; |
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| 370 | info(10)<<"Service "<<serviceId<<" created "<<" partition : " <<partitionId<<" service size : "<<serviceCommSize |
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| 371 | << " service rank : "<<serviceCommRank <<" on rank pool "<<commRank<<endl ; |
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[1761] | 372 | |
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[2523] | 373 | shared_ptr<CEventScheduler> parentScheduler, childScheduler ; |
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| 374 | freeRessourceEventScheduler_->splitScheduler(newServiceComm, parentScheduler, childScheduler) ; |
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| 375 | if (isFirstSplit_) eventScheduler_ = parentScheduler ; |
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| 376 | isFirstSplit_=false ; |
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| 377 | |
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| 378 | services_[std::make_tuple(serviceId,partitionId)] = new CService(newServiceComm, childScheduler, Id_, serviceId, partitionId, type, nbPartitions) ; |
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[1761] | 379 | |
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[2523] | 380 | MPI_Comm_free(&newServiceComm) ; |
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| 381 | } |
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| 382 | else |
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| 383 | { |
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| 384 | shared_ptr<CEventScheduler> parentScheduler, childScheduler ; |
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| 385 | freeRessourceEventScheduler_->splitScheduler(serviceComm, parentScheduler, childScheduler) ; |
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| 386 | if (isFirstSplit_) eventScheduler_ = parentScheduler ; |
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| 387 | freeRessourceEventScheduler_ = childScheduler ; |
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| 388 | isFirstSplit_=false ; |
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| 389 | } |
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| 390 | MPI_Comm_free(&serviceComm) ; |
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| 391 | } |
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| 392 | MPI_Comm_free(&freeComm) ; |
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[1761] | 393 | } |
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[2404] | 394 | |
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| 395 | void CPoolRessource::createNewServiceOnto(const std::string& serviceId, int type, const std::string& onServiceId) |
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| 396 | { |
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| 397 | |
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| 398 | info(40)<<"CPoolRessource::createNewServiceOnto : receive createServiceOnto notification ; serviceId : " |
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| 399 | <<serviceId<<" ontoServiceId : "<<onServiceId<<endl ; |
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| 400 | for(auto& service : services_) |
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| 401 | { |
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| 402 | if (std::get<0>(service.first)==onServiceId) |
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| 403 | { |
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| 404 | const MPI_Comm& serviceComm = service.second->getCommunicator() ; |
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| 405 | MPI_Comm newServiceComm ; |
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| 406 | MPI_Comm_dup(serviceComm, &newServiceComm) ; |
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[2580] | 407 | CXios::getMpiGarbageCollector().registerCommunicator(newServiceComm) ; |
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[2404] | 408 | int nbPartitions = service.second->getNbPartitions() ; |
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| 409 | int partitionId = service.second->getPartitionId() ; |
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| 410 | shared_ptr<CEventScheduler> eventScheduler = service.second->getEventScheduler() ; |
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| 411 | info(40)<<"CPoolRessource::createNewServiceOnto ; found onServiceId : "<<onServiceId<<endl ; |
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[2523] | 412 | services_[std::make_tuple(serviceId,partitionId)] = new CService(newServiceComm, eventScheduler, Id_, serviceId, partitionId, type, |
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| 413 | nbPartitions) ; |
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[2404] | 414 | } |
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| 415 | } |
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| 416 | |
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| 417 | } |
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[1761] | 418 | |
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[2547] | 419 | void CPoolRessource::createService(MPI_Comm serviceComm, shared_ptr<CEventScheduler> eventScheduler, const std::string& serviceId, int partitionId, int type, int nbPartitions) // for clients |
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[1761] | 420 | { |
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[2523] | 421 | services_[std::make_tuple(serviceId,partitionId)] = new CService(serviceComm, eventScheduler, Id_, serviceId, partitionId, type, nbPartitions) ; |
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[1761] | 422 | } |
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| 423 | |
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| 424 | |
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| 425 | void CPoolRessource::finalizeSignal(void) |
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| 426 | { |
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| 427 | finalizeSignal_=true ; |
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| 428 | for (auto it=services_.begin(); it!=services_.end() ; ++it) it->second->finalizeSignal() ; |
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[2274] | 429 | } |
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| 430 | |
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| 431 | CPoolRessource::~CPoolRessource() |
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| 432 | { |
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| 433 | delete winNotify_ ; |
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| 434 | for(auto& service : services_) delete service.second ; |
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[1761] | 435 | } |
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[2458] | 436 | } |
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