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