[2556] | 1 | #include "p2p_context_server.hpp" |
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| 2 | #include "buffer_in.hpp" |
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| 3 | #include "type.hpp" |
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| 4 | #include "context.hpp" |
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| 5 | #include "object_template.hpp" |
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| 6 | #include "group_template.hpp" |
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| 7 | #include "attribute_template.hpp" |
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| 8 | #include "domain.hpp" |
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| 9 | #include "field.hpp" |
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| 10 | #include "file.hpp" |
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| 11 | #include "grid.hpp" |
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| 12 | #include "mpi.hpp" |
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| 13 | #include "tracer.hpp" |
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| 14 | #include "timer.hpp" |
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| 15 | #include "cxios.hpp" |
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| 16 | #include "event_scheduler.hpp" |
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| 17 | #include "server.hpp" |
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| 18 | #include "servers_ressource.hpp" |
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| 19 | #include "pool_ressource.hpp" |
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| 20 | #include "services.hpp" |
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| 21 | #include "contexts_manager.hpp" |
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| 22 | #include "timeline_events.hpp" |
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| 23 | |
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| 24 | #include <random> |
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| 25 | #include <chrono> |
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| 26 | |
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| 27 | |
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| 28 | namespace xios |
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| 29 | { |
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| 30 | using namespace std ; |
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[2628] | 31 | extern CLogType logTimers ; |
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| 32 | extern CLogType logProfile ; |
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[2556] | 33 | |
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| 34 | CP2pContextServer::CP2pContextServer(CContext* parent,MPI_Comm intraComm_,MPI_Comm interComm_) |
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| 35 | : CContextServer(parent, intraComm_, interComm_), |
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| 36 | isProcessingEvent_(false) |
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| 37 | { |
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| 38 | |
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[2589] | 39 | xios::MPI_Comm_dup(intraComm, &processEventBarrier_) ; |
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[2580] | 40 | CXios::getMpiGarbageCollector().registerCommunicator(processEventBarrier_) ; |
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| 41 | |
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[2556] | 42 | currentTimeLine=1; |
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| 43 | scheduled=false; |
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| 44 | finished=false; |
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| 45 | |
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[2589] | 46 | xios::MPI_Intercomm_merge(interComm_,true,&interCommMerged_) ; |
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[2580] | 47 | CXios::getMpiGarbageCollector().registerCommunicator(interCommMerged_) ; |
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[2589] | 48 | xios::MPI_Comm_split(intraComm_, intraCommRank, intraCommRank, &commSelf_) ; // for windows |
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[2580] | 49 | CXios::getMpiGarbageCollector().registerCommunicator(commSelf_) ; |
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[2556] | 50 | |
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| 51 | itLastTimeLine=lastTimeLine.begin() ; |
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| 52 | |
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| 53 | pureOneSided=CXios::getin<bool>("pure_one_sided",false); // pure one sided communication (for test) |
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| 54 | |
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| 55 | } |
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| 56 | |
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| 57 | void CP2pContextServer::setPendingEvent(void) |
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| 58 | { |
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| 59 | pendingEvent=true; |
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| 60 | } |
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| 61 | |
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| 62 | bool CP2pContextServer::hasPendingEvent(void) |
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| 63 | { |
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[2595] | 64 | return ((pendingEvents_.size()!=0)||(completedEvents_.size()!=0)); |
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[2556] | 65 | } |
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| 66 | |
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| 67 | bool CP2pContextServer::hasFinished(void) |
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| 68 | { |
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| 69 | return finished; |
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| 70 | } |
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| 71 | |
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| 72 | bool CP2pContextServer::eventLoop(bool enableEventsProcessing /*= true*/) |
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| 73 | { |
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[2628] | 74 | if (info.isActive(logProfile)) CTimer::get("Recv event loop (p2p)").resume(); |
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| 75 | if (info.isActive(logTimers)) CTimer::get("listen request").resume(); |
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[2556] | 76 | listen(); |
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[2628] | 77 | if (info.isActive(logTimers)) CTimer::get("listen request").suspend(); |
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[2556] | 78 | |
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[2628] | 79 | if (info.isActive(logTimers)) CTimer::get("listen pending request").resume(); |
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[2556] | 80 | listenPendingRequest() ; |
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[2628] | 81 | if (info.isActive(logTimers)) CTimer::get("listen pending request").suspend(); |
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[2556] | 82 | |
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[2628] | 83 | if (info.isActive(logTimers)) CTimer::get("check server Buffers").resume(); |
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[2556] | 84 | checkBuffers() ; |
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[2628] | 85 | if (info.isActive(logTimers)) CTimer::get("check server Buffers").suspend(); |
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[2556] | 86 | |
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[2628] | 87 | if (info.isActive(logTimers)) CTimer::get("check event process").resume(); |
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[2556] | 88 | processEvents(enableEventsProcessing); |
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[2628] | 89 | if (info.isActive(logTimers)) CTimer::get("check event process").suspend(); |
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| 90 | if (info.isActive(logProfile)) CTimer::get("Recv event loop (p2p)").suspend(); |
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[2556] | 91 | return finished; |
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| 92 | |
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| 93 | } |
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| 94 | |
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| 95 | void CP2pContextServer::listen(void) |
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| 96 | { |
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| 97 | int rank; |
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| 98 | int flag; |
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| 99 | MPI_Status status; |
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| 100 | flag=true ; |
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| 101 | |
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| 102 | while(flag) |
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| 103 | { |
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| 104 | traceOff(); |
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| 105 | MPI_Iprobe(MPI_ANY_SOURCE, 20,interCommMerged_, &flag, &status); |
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[2566] | 106 | |
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[2556] | 107 | traceOn(); |
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| 108 | if (flag==true) |
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| 109 | { |
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[2560] | 110 | int rank=status.MPI_SOURCE ; |
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[2566] | 111 | auto& rankRequests = requests_[rank]; |
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| 112 | rankRequests.push_back(new CRequest(interCommMerged_, status)) ; |
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[2560] | 113 | // Test 1st request of the list, request treatment must be ordered |
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[2566] | 114 | if (rankRequests.front()->test()) |
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[2556] | 115 | { |
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[2566] | 116 | processRequest( *(rankRequests.front()) ); |
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| 117 | delete rankRequests.front(); |
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| 118 | rankRequests.pop_front() ; |
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[2556] | 119 | } |
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| 120 | } |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | void CP2pContextServer::listenPendingRequest(void) |
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| 125 | { |
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[2560] | 126 | for(auto it_rank=requests_.begin() ; it_rank!=requests_.end() ; ++it_rank) |
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[2556] | 127 | { |
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[2560] | 128 | int rank = it_rank->first; |
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[2566] | 129 | auto& rankRequests = it_rank->second; |
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| 130 | while ( (!rankRequests.empty()) && (rankRequests.front()->test()) ) |
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[2556] | 131 | { |
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[2566] | 132 | processRequest( *(rankRequests.front()) ); |
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| 133 | delete rankRequests.front(); |
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| 134 | rankRequests.pop_front() ; |
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[2556] | 135 | } |
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| 136 | } |
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| 137 | } |
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| 138 | |
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[2560] | 139 | void CP2pContextServer::processRequest(CRequest& request) |
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[2556] | 140 | { |
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| 141 | int rank = request.getRank() ; |
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| 142 | auto it=buffers_.find(rank); |
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[2560] | 143 | if (it==buffers_.end()) |
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[2556] | 144 | { |
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| 145 | buffers_[rank] = new CP2pServerBuffer(rank, commSelf_, interCommMerged_, pendingEvents_, completedEvents_, request.getBuffer()) ; |
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| 146 | } |
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[2563] | 147 | else |
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| 148 | { |
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[2559] | 149 | it->second->receivedRequest(request.getBuffer()) ; |
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| 150 | } |
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[2556] | 151 | } |
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| 152 | |
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| 153 | void CP2pContextServer::checkBuffers(void) |
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| 154 | { |
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| 155 | if (!pendingEvents_.empty()) |
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| 156 | { |
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| 157 | /* |
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| 158 | SPendingEvent& nextEvent = pendingEvents_.begin()->second ; |
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| 159 | for(auto& buffer : nextEvent.buffers ) buffer->eventLoop() ; |
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| 160 | if (nextEvent.nbSenders==0) pendingEvents_.erase(pendingEvents_.begin()) ; |
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| 161 | */ |
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| 162 | for(auto it=pendingEvents_.begin() ; it!=pendingEvents_.end() ;) |
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| 163 | { |
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| 164 | SPendingEvent& nextEvent = it->second ; |
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| 165 | for(auto& buffer : nextEvent.buffers ) buffer->eventLoop() ; |
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| 166 | if (nextEvent.nbSenders==0) it=pendingEvents_.erase(it) ; |
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| 167 | else ++it ; |
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| 168 | } |
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| 169 | } |
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| 170 | } |
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| 171 | |
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| 172 | |
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| 173 | void CP2pContextServer::processEvents(bool enableEventsProcessing) |
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| 174 | { |
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| 175 | |
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| 176 | if (isProcessingEvent_) return ; |
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| 177 | |
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| 178 | auto it=completedEvents_.find(currentTimeLine); |
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| 179 | |
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| 180 | if (it!=completedEvents_.end()) |
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| 181 | { |
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| 182 | if (it->second.nbSenders == it->second.currentNbSenders) |
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| 183 | { |
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| 184 | if (!scheduled) |
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| 185 | { |
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| 186 | eventScheduler_->registerEvent(currentTimeLine,hashId); |
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| 187 | scheduled=true; |
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| 188 | } |
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| 189 | else if (eventScheduler_->queryEvent(currentTimeLine,hashId) ) |
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| 190 | { |
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| 191 | //if (!enableEventsProcessing && isCollectiveEvent(event)) return ; |
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| 192 | |
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| 193 | if (!eventScheduled_) |
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| 194 | { |
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| 195 | MPI_Ibarrier(processEventBarrier_,&processEventRequest_) ; |
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| 196 | eventScheduled_=true ; |
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| 197 | return ; |
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| 198 | } |
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| 199 | else |
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| 200 | { |
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| 201 | MPI_Status status ; |
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| 202 | int flag ; |
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| 203 | MPI_Test(&processEventRequest_, &flag, &status) ; |
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| 204 | if (!flag) return ; |
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| 205 | eventScheduled_=false ; |
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| 206 | } |
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| 207 | |
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| 208 | eventScheduler_->popEvent() ; |
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| 209 | |
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| 210 | isProcessingEvent_=true ; |
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| 211 | CEventServer event(this) ; |
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| 212 | for(auto& buffer : it->second.buffers) buffer->fillEventServer(currentTimeLine, event) ; |
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| 213 | // MPI_Barrier(intraComm) ; |
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| 214 | CTimer::get("Process events").resume(); |
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| 215 | info(100)<<"Context id "<<context->getId()<<" : Process Event "<<currentTimeLine<<" of class "<<event.classId<<" of type "<<event.type<<endl ; |
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| 216 | dispatchEvent(event); |
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| 217 | CTimer::get("Process events").suspend(); |
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| 218 | isProcessingEvent_=false ; |
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| 219 | // context->unsetProcessingEvent() ; |
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| 220 | pendingEvent=false; |
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| 221 | completedEvents_.erase(it); |
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| 222 | currentTimeLine++; |
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| 223 | scheduled = false; |
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| 224 | } |
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| 225 | } |
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| 226 | } |
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| 227 | } |
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| 228 | |
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| 229 | CP2pContextServer::~CP2pContextServer() |
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| 230 | { |
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| 231 | for(auto& buffer : buffers_) delete buffer.second; |
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| 232 | buffers_.clear() ; |
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| 233 | } |
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| 234 | |
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| 235 | void CP2pContextServer::releaseBuffers() |
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| 236 | { |
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| 237 | //for(auto it=buffers.begin();it!=buffers.end();++it) delete it->second ; |
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| 238 | //buffers.clear() ; |
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| 239 | freeWindows() ; |
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| 240 | } |
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| 241 | |
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| 242 | void CP2pContextServer::freeWindows() |
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| 243 | { |
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| 244 | // for(auto& it : winComm_) |
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| 245 | // { |
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| 246 | // int rank = it.first ; |
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| 247 | // MPI_Win_free(&windows_[rank][0]); |
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| 248 | // MPI_Win_free(&windows_[rank][1]); |
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[2589] | 249 | // xios::MPI_Comm_free(&winComm_[rank]) ; |
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[2556] | 250 | // } |
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| 251 | } |
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| 252 | |
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| 253 | void CP2pContextServer::notifyClientsFinalize(void) |
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| 254 | { |
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| 255 | for(auto it=buffers_.begin();it!=buffers_.end();++it) |
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| 256 | { |
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| 257 | it->second->notifyClientFinalize() ; |
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| 258 | } |
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| 259 | } |
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| 260 | |
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| 261 | void CP2pContextServer::dispatchEvent(CEventServer& event) |
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| 262 | { |
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| 263 | string contextName; |
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| 264 | string buff; |
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| 265 | int MsgSize; |
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| 266 | int rank; |
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| 267 | list<CEventServer::SSubEvent>::iterator it; |
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| 268 | StdString ctxId = context->getId(); |
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| 269 | CContext::setCurrent(ctxId); |
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| 270 | StdSize totalBuf = 0; |
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| 271 | |
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| 272 | if (event.classId==CContext::GetType() && event.type==CContext::EVENT_ID_CONTEXT_FINALIZE) |
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| 273 | { |
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[2628] | 274 | CTimer::get("Context finalize").resume(); |
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[2556] | 275 | finished=true; |
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| 276 | info(20)<<" CP2pContextServer: Receive context <"<<context->getId()<<"> finalize."<<endl; |
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| 277 | notifyClientsFinalize() ; |
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[2628] | 278 | if (info.isActive(logTimers)) CTimer::get("receiving requests").suspend(); |
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[2556] | 279 | context->finalize(); |
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| 280 | |
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| 281 | std::map<int, StdSize>::const_iterator itbMap = mapBufferSize_.begin(), |
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| 282 | iteMap = mapBufferSize_.end(), itMap; |
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| 283 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
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| 284 | { |
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| 285 | rank = itMap->first; |
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| 286 | report(10)<< " Memory report : Context <"<<ctxId<<"> : server side : memory used for buffer of each connection to client" << endl |
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| 287 | << " +) With client of rank " << rank << " : " << itMap->second << " bytes " << endl; |
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| 288 | totalBuf += itMap->second; |
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| 289 | } |
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| 290 | report(0)<< " Memory report : Context <"<<ctxId<<"> : server side : total memory used for buffer "<<totalBuf<<" bytes"<<endl; |
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[2628] | 291 | CTimer::get("Context finalize").suspend(); |
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[2556] | 292 | } |
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| 293 | else if (event.classId==CContext::GetType()) CContext::dispatchEvent(event); |
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| 294 | else if (event.classId==CContextGroup::GetType()) CContextGroup::dispatchEvent(event); |
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| 295 | else if (event.classId==CCalendarWrapper::GetType()) CCalendarWrapper::dispatchEvent(event); |
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| 296 | else if (event.classId==CDomain::GetType()) CDomain::dispatchEvent(event); |
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| 297 | else if (event.classId==CDomainGroup::GetType()) CDomainGroup::dispatchEvent(event); |
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| 298 | else if (event.classId==CAxis::GetType()) CAxis::dispatchEvent(event); |
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| 299 | else if (event.classId==CAxisGroup::GetType()) CAxisGroup::dispatchEvent(event); |
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| 300 | else if (event.classId==CScalar::GetType()) CScalar::dispatchEvent(event); |
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| 301 | else if (event.classId==CScalarGroup::GetType()) CScalarGroup::dispatchEvent(event); |
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| 302 | else if (event.classId==CGrid::GetType()) CGrid::dispatchEvent(event); |
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| 303 | else if (event.classId==CGridGroup::GetType()) CGridGroup::dispatchEvent(event); |
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| 304 | else if (event.classId==CField::GetType()) |
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| 305 | { |
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| 306 | if (event.type==CField::EVENT_ID_UPDATE_DATA) CField::dispatchEvent(event); |
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| 307 | else CField::dispatchEvent(event); |
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| 308 | } |
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| 309 | else if (event.classId==CFieldGroup::GetType()) CFieldGroup::dispatchEvent(event); |
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| 310 | else if (event.classId==CFile::GetType()) CFile::dispatchEvent(event); |
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| 311 | else if (event.classId==CFileGroup::GetType()) CFileGroup::dispatchEvent(event); |
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| 312 | else if (event.classId==CVariable::GetType()) CVariable::dispatchEvent(event); |
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| 313 | else |
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| 314 | { |
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| 315 | ERROR("void CP2pContextServer::dispatchEvent(CEventServer& event)",<<" Bad event class Id"<<endl); |
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| 316 | } |
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| 317 | } |
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| 318 | |
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| 319 | bool CP2pContextServer::isCollectiveEvent(CEventServer& event) |
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| 320 | { |
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| 321 | if (event.type>1000) return false ; |
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| 322 | else return true ; |
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| 323 | } |
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| 324 | } |
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