[2343] | 1 | #include "one_sided_server_buffer.hpp" |
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| 2 | #include "xios_spl.hpp" |
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| 3 | #include "mpi.hpp" |
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| 4 | #include "timer.hpp" |
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| 5 | #include "buffer_in.hpp" |
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| 6 | |
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| 7 | |
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| 8 | |
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| 9 | namespace xios |
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| 10 | { |
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[2346] | 11 | CLogType logProtocol("log_protocol") ; |
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[2343] | 12 | |
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| 13 | COneSidedServerBuffer::COneSidedServerBuffer(int clientRank, const MPI_Comm& commSelf, const MPI_Comm& interCommMerged, map<size_t, SPendingEvent>& pendingEvents, |
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| 14 | map<size_t, SPendingEvent>& completedEvents, vector<char>& buffer) |
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| 15 | : clientRank_(clientRank), pendingFullEvents_(pendingEvents), completedFullEvents_(completedEvents) |
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| 16 | { |
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| 17 | MPI_Alloc_mem(controlSize_*sizeof(MPI_Aint), MPI_INFO_NULL, &control_) ; |
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| 18 | CBufferIn bufferIn(buffer.data(),buffer.size()) ; |
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| 19 | bufferIn >> controlAddr_; |
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| 20 | createWindow(commSelf, interCommMerged) ; |
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| 21 | } |
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| 22 | |
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| 23 | void COneSidedServerBuffer::createWindow(const MPI_Comm& commSelf, const MPI_Comm& interCommMerged) |
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| 24 | { |
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| 25 | CTimer::get("create Windows").resume() ; |
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| 26 | MPI_Comm interComm ; |
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[2589] | 27 | xios::MPI_Intercomm_create(commSelf, 0, interCommMerged, clientRank_, 0 , &interComm) ; |
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| 28 | xios::MPI_Intercomm_merge(interComm, true, &winComm_) ; |
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[2343] | 29 | CXios::getMpiGarbageCollector().registerCommunicator(winComm_) ; |
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[2589] | 30 | xios::MPI_Comm_free(&interComm) ; |
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[2343] | 31 | |
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| 32 | maxWindows_=MAX_WINDOWS ; |
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| 33 | windows_.resize(maxWindows_) ; |
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| 34 | |
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| 35 | for(int i=0;i<maxWindows_;++i) |
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| 36 | { |
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| 37 | MPI_Win_create_dynamic(MPI_INFO_NULL, winComm_, &windows_[i]); |
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| 38 | CXios::getMpiGarbageCollector().registerWindow(windows_[i]) ; |
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| 39 | } |
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| 40 | MPI_Win_create_dynamic(MPI_INFO_NULL, winComm_, &winControl_); |
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| 41 | CXios::getMpiGarbageCollector().registerWindow(winControl_) ; |
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| 42 | CTimer::get("create Windows").suspend() ; |
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| 43 | MPI_Barrier(winComm_) ; |
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| 44 | MPI_Barrier(winComm_) ; |
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| 45 | |
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| 46 | } |
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| 47 | |
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| 48 | void COneSidedServerBuffer::receivedRequest(vector<char>& buffer) |
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| 49 | { |
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| 50 | size_t timeline ; |
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| 51 | int nbSenders ; |
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| 52 | CBufferIn bufferIn(buffer.data(),buffer.size()) ; |
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| 53 | bufferIn >> timeline ; |
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| 54 | if (timeline==EVENT_BUFFER_RESIZE) |
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| 55 | { |
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| 56 | size_t AssociatedTimeline ; |
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| 57 | size_t newSize ; |
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| 58 | bufferIn >>AssociatedTimeline>>newSize ; |
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| 59 | bufferResize_.push_back({AssociatedTimeline,newSize}) ; |
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| 60 | } |
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| 61 | else // receive standard event |
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| 62 | { |
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[2399] | 63 | info(logProtocol)<<"received request from rank : "<<clientRank_<<" with timeline : "<<timeline |
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| 64 | <<" at time : "<<CTimer::get("XIOS server").getTime()<<endl ; |
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[2343] | 65 | bufferIn>> nbSenders ; |
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| 66 | nbSenders_[timeline] = nbSenders ; |
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| 67 | auto pendingFullEvent=pendingFullEvents_.find(timeline) ; |
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| 68 | if (pendingFullEvent==pendingFullEvents_.end()) |
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| 69 | { |
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| 70 | SPendingEvent pendingEvent = {nbSenders,1,{this}} ; |
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| 71 | pendingFullEvents_[timeline]=pendingEvent ; |
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| 72 | } |
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| 73 | else |
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| 74 | { |
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| 75 | pendingFullEvent->second.currentNbSenders++ ; |
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| 76 | pendingFullEvent->second.buffers.push_back(this) ; |
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| 77 | } |
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| 78 | |
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| 79 | int nbBlocs ; |
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| 80 | int count ; |
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| 81 | int window ; |
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| 82 | bufferIn >> nbBlocs ; |
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| 83 | MPI_Aint bloc ; |
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| 84 | auto& blocs = pendingBlocs_[timeline] ; |
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| 85 | for(int i=0;i<nbBlocs;++i) |
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| 86 | { |
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| 87 | bufferIn >> bloc >> count >> window; |
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| 88 | blocs.push_back({bloc, count, window}) ; |
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| 89 | } |
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| 90 | } |
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| 91 | } |
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| 92 | |
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| 93 | void COneSidedServerBuffer::eventLoop(void) |
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| 94 | { |
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| 95 | int flag ; |
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| 96 | if (!pendingRmaRequests_.empty()) testPendingRequests() ; |
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| 97 | if (pendingRmaRequests_.empty()) transferEvents() ; |
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| 98 | |
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| 99 | if (!isLocked_) |
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| 100 | { |
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| 101 | if (lastBlocToFree_!=0) |
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| 102 | { |
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| 103 | info(logProtocol)<<"Send bloc to free : "<<lastBlocToFree_<<endl ; |
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[2399] | 104 | if (info.isActive(logProtocol)) CTimer::get("Send bloc to free").resume() ; |
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[2343] | 105 | MPI_Win_lock(MPI_LOCK_EXCLUSIVE, windowRank_, 0, winControl_) ; |
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| 106 | MPI_Aint target=MPI_Aint_add(controlAddr_, CONTROL_ADDR*sizeof(MPI_Aint)) ; |
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| 107 | MPI_Put(&lastBlocToFree_, 1, MPI_AINT, windowRank_, target, 1, MPI_AINT, winControl_) ; |
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| 108 | MPI_Win_unlock(windowRank_,winControl_) ; |
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[2399] | 109 | if (info.isActive(logProtocol)) CTimer::get("Send bloc to free").suspend() ; |
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[2343] | 110 | lastBlocToFree_ = 0 ; |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | if (buffers_.size()>1) |
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[2565] | 115 | { |
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| 116 | if (buffers_.front()->getCount()==0) { |
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| 117 | delete buffers_.front(); |
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| 118 | buffers_.pop_front() ; // if buffer is empty free buffer |
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| 119 | } |
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| 120 | } |
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[2343] | 121 | } |
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| 122 | |
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| 123 | void COneSidedServerBuffer::notifyClientFinalize(void) |
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| 124 | { |
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| 125 | eventLoop() ; // to free the last bloc |
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| 126 | MPI_Aint finalize=1 ; |
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| 127 | MPI_Win_lock(MPI_LOCK_EXCLUSIVE, windowRank_, 0, winControl_) ; |
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| 128 | MPI_Aint target=MPI_Aint_add(controlAddr_, CONTROL_FINALIZE*sizeof(MPI_Aint)) ; |
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| 129 | MPI_Put(&finalize, 1, MPI_AINT, windowRank_, target, 1, MPI_AINT, winControl_) ; |
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| 130 | MPI_Win_unlock(windowRank_,winControl_) ; |
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| 131 | } |
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| 132 | void COneSidedServerBuffer::testPendingRequests(void) |
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| 133 | { |
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| 134 | if (!pendingRmaRequests_.empty()) |
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| 135 | { |
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[2399] | 136 | int flag ; |
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| 137 | |
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| 138 | if (info.isActive(logProtocol)) CTimer::get("transfer MPI_Testall").resume() ; |
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[2343] | 139 | MPI_Testall(pendingRmaRequests_.size(), pendingRmaRequests_.data(), &flag, pendingRmaStatus_.data()) ; |
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[2399] | 140 | if (info.isActive(logProtocol)) CTimer::get("transfer MPI_Testall").suspend() ; |
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| 141 | |
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[2343] | 142 | if (flag==true) |
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| 143 | { |
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| 144 | if (!isLocked_) ERROR("void COneSidedServerBuffer::testPendingRequests(void)",<<"windows is not Locked"); |
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| 145 | for(auto& win : windowsLocked_) |
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| 146 | { |
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| 147 | info(logProtocol)<<"unlock window "<<win<<endl ; |
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[2399] | 148 | if (info.isActive(logProtocol)) CTimer::get("transfer unlock").resume() ; |
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[2343] | 149 | MPI_Win_unlock(windowRank_,windows_[win]) ; |
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[2399] | 150 | if (info.isActive(logProtocol)) CTimer::get("transfer unlock").suspend() ; |
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[2343] | 151 | } |
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| 152 | windowsLocked_.clear() ; |
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[2399] | 153 | |
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| 154 | |
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| 155 | if (info.isActive(logProtocol)) CTimer::get("transfer MPI_Rget from "+std::to_string(clientRank_)).suspend() ; |
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| 156 | if (info.isActive(logProtocol)) CTimer::get("lastTransfer from "+std::to_string(clientRank_)).suspend() ; |
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| 157 | |
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| 158 | size_t transferedSize = 0 ; |
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| 159 | for(auto& count : pendingRmaCount_) transferedSize+=count ; |
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| 160 | |
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| 161 | if (info.isActive(logProtocol)) |
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| 162 | { |
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| 163 | double time = CTimer::get("lastTransfer from "+std::to_string(clientRank_)).getCumulatedTime() ; |
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| 164 | info(logProtocol)<<"Tranfer message from rank : "<<clientRank_<<" nbBlocs : "<< pendingRmaStatus_.size() |
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| 165 | << " total count = "<<transferedSize<<" duration : "<<time<<" s" |
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| 166 | << " Bandwith : "<< transferedSize/time<< "byte/s"<<endl ; |
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| 167 | CTimer::get("lastTransfer from "+std::to_string(clientRank_)).reset() ; |
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| 168 | } |
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| 169 | |
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[2343] | 170 | isLocked_=false ; |
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| 171 | pendingRmaRequests_.clear() ; |
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| 172 | pendingRmaStatus_.clear() ; |
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[2399] | 173 | pendingRmaCount_.clear() ; |
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[2343] | 174 | completedEvents_.insert(onTransferEvents_.begin(),onTransferEvents_.end()) ; |
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| 175 | |
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| 176 | for(auto & event : onTransferEvents_) |
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| 177 | { |
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| 178 | size_t timeline = event.first ; |
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| 179 | |
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| 180 | auto pendingFullEvent=pendingFullEvents_.find(timeline) ; |
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| 181 | pendingFullEvent->second.nbSenders-- ; |
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| 182 | pendingFullEvent->second.currentNbSenders-- ; |
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| 183 | |
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| 184 | |
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| 185 | auto completedFullEvent=completedFullEvents_.find(timeline) ; |
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| 186 | if (completedFullEvent==completedFullEvents_.end()) |
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| 187 | { |
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| 188 | SPendingEvent pendingEvent = {nbSenders_[timeline],1,{this}} ; |
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| 189 | completedFullEvents_[timeline]=pendingEvent ; |
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| 190 | } |
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| 191 | else |
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| 192 | { |
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| 193 | completedFullEvent->second.currentNbSenders++ ; |
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| 194 | completedFullEvent->second.buffers.push_back(this) ; |
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| 195 | } |
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| 196 | nbSenders_.erase(timeline) ; |
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| 197 | } |
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| 198 | onTransferEvents_.clear() ; |
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| 199 | } |
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| 200 | } |
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| 201 | |
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| 202 | } |
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| 203 | |
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| 204 | size_t COneSidedServerBuffer::remainSize(void) |
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| 205 | { |
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| 206 | if (!fixed_) return std::numeric_limits<size_t>::max() ; |
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| 207 | else |
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| 208 | { |
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| 209 | if (currentBuffer_ == nullptr) return fixedSize_ ; |
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| 210 | else return currentBuffer_->remain() ; |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | void COneSidedServerBuffer::transferEvents(void) |
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| 215 | { |
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| 216 | if (pendingRmaRequests_.empty() && !pendingBlocs_.empty()) |
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| 217 | { |
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| 218 | size_t remain=remainSize() ; |
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| 219 | size_t transferedSize=0 ; |
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| 220 | |
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| 221 | size_t timeline = pendingBlocs_.begin()->first ; |
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| 222 | auto& blocs = pendingBlocs_.begin()->second ; |
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| 223 | |
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| 224 | if (!bufferResize_.empty()) |
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| 225 | { |
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| 226 | if (bufferResize_.front().first==timeline) |
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| 227 | { |
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[2399] | 228 | currentBufferSize_=bufferResize_.front().second * bufferServerFactor_ ; |
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[2343] | 229 | info(logProtocol)<<"Received new buffer size="<<currentBufferSize_<<" at timeline="<<timeline<<endl ; |
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| 230 | bufferResize_.pop_front() ; |
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| 231 | newBuffer(currentBufferSize_,fixed_) ; |
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| 232 | } |
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| 233 | } |
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| 234 | |
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| 235 | size_t eventSize=0 ; |
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| 236 | for(auto& bloc : blocs) eventSize+=get<1>(bloc) ; |
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| 237 | |
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| 238 | if (eventSize > remain) |
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| 239 | { |
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| 240 | if ( eventSize <= currentBufferSize_) return ; // wait for free storage ; |
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| 241 | else |
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| 242 | { |
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| 243 | if (currentBuffer_==nullptr) remain = eventSize ; |
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| 244 | else remain = currentBuffer_->remain() + fixedSize_ ; |
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| 245 | } |
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| 246 | } |
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| 247 | |
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| 248 | if (isLocked_) ERROR("void COneSidedServerBuffer::transferEvents(void)",<<"windows is Locked"); |
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[2399] | 249 | |
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| 250 | if (info.isActive(logProtocol)) CTimer::get("transfer MPI_Rget from "+std::to_string(clientRank_)).resume() ; |
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| 251 | if (info.isActive(logProtocol)) CTimer::get("lastTransfer from "+std::to_string(clientRank_)).resume() ; |
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[2343] | 252 | for(auto& bloc : blocs) |
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| 253 | { |
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| 254 | int win=get<2>(bloc) ; |
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| 255 | if (windowsLocked_.count(win)==0) |
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| 256 | { |
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[2399] | 257 | info(logProtocol)<<"lock window "<<win<<endl ; |
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| 258 | if (info.isActive(logProtocol)) CTimer::get("transfer lock").resume() ; |
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[2343] | 259 | MPI_Win_lock(MPI_LOCK_SHARED, windowRank_, 0, windows_[win]) ; |
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[2399] | 260 | if (info.isActive(logProtocol)) CTimer::get("transfer lock").suspend() ; |
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[2343] | 261 | windowsLocked_.insert(win) ; |
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| 262 | } |
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| 263 | } |
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| 264 | isLocked_=true ; |
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| 265 | do |
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| 266 | { |
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| 267 | transferEvent() ; // ok enough storage for this bloc |
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| 268 | |
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| 269 | transferedSize += eventSize ; |
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| 270 | pendingBlocs_.erase(pendingBlocs_.begin()) ; |
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| 271 | |
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[2399] | 272 | // break ; // transfering just one event temporary => to remove |
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[2343] | 273 | |
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| 274 | if (pendingBlocs_.empty()) break ; // no more blocs to tranfer => exit loop |
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| 275 | |
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| 276 | timeline = pendingBlocs_.begin()->first ; |
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| 277 | auto& blocs=pendingBlocs_.begin()->second ; |
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| 278 | |
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| 279 | if (!bufferResize_.empty()) |
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| 280 | { |
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| 281 | if (bufferResize_.front().first==timeline) |
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| 282 | { |
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[2399] | 283 | currentBufferSize_=bufferResize_.front().second * bufferServerFactor_ ; |
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[2343] | 284 | info(logProtocol)<<"Received new buffer size="<<currentBufferSize_<<" at timeline="<<timeline<<endl ; |
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| 285 | bufferResize_.pop_front() ; |
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| 286 | newBuffer(currentBufferSize_,fixed_) ; |
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| 287 | } |
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| 288 | } |
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| 289 | |
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| 290 | for(auto& bloc : blocs) eventSize+=get<1>(bloc) ; |
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| 291 | if (transferedSize+eventSize<=remain) |
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| 292 | { |
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| 293 | for(auto& bloc : blocs) |
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| 294 | { |
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| 295 | int win=get<2>(bloc) ; |
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| 296 | if (windowsLocked_.count(win)==0) |
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| 297 | { |
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[2399] | 298 | info(logProtocol)<<"lock window "<<win<<endl ; |
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| 299 | if (info.isActive(logProtocol)) CTimer::get("transfer lock").resume() ; |
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[2343] | 300 | MPI_Win_lock(MPI_LOCK_SHARED, windowRank_, 0, windows_[win]) ; |
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[2399] | 301 | if (info.isActive(logProtocol)) CTimer::get("transfer lock").suspend() ; |
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[2343] | 302 | windowsLocked_.insert(win) ; |
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| 303 | } |
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| 304 | } |
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| 305 | } |
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| 306 | } |
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| 307 | while(transferedSize+eventSize<=remain) ; |
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| 308 | |
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| 309 | } |
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| 310 | } |
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| 311 | |
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| 312 | void COneSidedServerBuffer::transferEvent(void) |
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| 313 | { |
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| 314 | MPI_Aint addr; |
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| 315 | MPI_Aint offset ; |
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| 316 | |
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| 317 | size_t size; |
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| 318 | size_t start; |
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| 319 | size_t count; |
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| 320 | int window ; |
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| 321 | |
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| 322 | auto& blocs=pendingBlocs_.begin()->second ; |
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| 323 | size_t timeline = pendingBlocs_.begin() -> first ; |
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| 324 | |
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| 325 | |
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| 326 | for(auto& bloc : blocs) |
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| 327 | { |
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| 328 | addr = std::get<0>(bloc) ; |
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| 329 | size = std::get<1>(bloc) ; |
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| 330 | window = std::get<2>(bloc) ; |
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| 331 | |
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| 332 | offset=0 ; |
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| 333 | |
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| 334 | do |
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| 335 | { |
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| 336 | if (currentBuffer_!=nullptr) |
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| 337 | { |
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| 338 | currentBuffer_->reserve(size, start, count) ; |
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| 339 | |
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| 340 | if ( count > 0) |
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| 341 | { |
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| 342 | transferRmaRequest(timeline, addr, offset, currentBuffer_, start, count, window) ; |
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| 343 | offset=MPI_Aint_add(offset, count) ; |
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| 344 | } |
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| 345 | currentBuffer_->reserve(size, start, count) ; |
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| 346 | |
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| 347 | if ( count > 0) |
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| 348 | { |
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| 349 | transferRmaRequest(timeline, addr, offset, currentBuffer_, start, count, window) ; |
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| 350 | offset=MPI_Aint_add(offset, count) ; |
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| 351 | } |
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| 352 | } |
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| 353 | |
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| 354 | if (size>0) |
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| 355 | { |
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| 356 | if (fixed_) newBuffer(fixedSize_,fixed_) ; |
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| 357 | else |
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| 358 | { |
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| 359 | currentBufferSize_ = std::max((size_t)(currentBufferSize_*growingFactor_), size) ; |
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| 360 | newBuffer(currentBufferSize_,fixed_) ; |
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| 361 | } |
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| 362 | } |
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| 363 | } while (size > 0 ) ; |
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| 364 | } |
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| 365 | |
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| 366 | pendingRmaStatus_.resize(pendingRmaRequests_.size()) ; |
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| 367 | } |
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| 368 | |
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| 369 | void COneSidedServerBuffer::transferRmaRequest(size_t timeline, MPI_Aint addr, MPI_Aint offset, CBuffer* buffer, size_t start, int count, int window) |
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| 370 | { |
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| 371 | MPI_Request request ; |
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| 372 | MPI_Aint offsetAddr=MPI_Aint_add(addr, offset) ; |
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[2399] | 373 | if (info.isActive(logProtocol)) |
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| 374 | { |
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| 375 | info(logProtocol)<<"receive Bloc from client "<<clientRank_<<" : timeline="<<timeline<<" addr="<<addr<<" count="<<count<<" buffer="<<buffer<<" start="<<start<<endl ; |
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| 376 | info(logProtocol)<<"check dest buffers ; start_buffer="<<static_cast<void*>(buffer->getBuffer())<<" end_buffer="<<static_cast<void*>(buffer->getBuffer()+buffer->getSize()-1) |
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| 377 | <<" start="<<static_cast<void*>(buffer->getBuffer()+start)<<" end="<<static_cast<void*>(buffer->getBuffer()+start+count-1)<<endl ; |
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| 378 | } |
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| 379 | if (info.isActive(logProtocol)) CTimer::get("MPI_Rget").resume() ; |
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[2343] | 380 | MPI_Rget(buffer->getBuffer()+start, count, MPI_CHAR, windowRank_, offsetAddr, count, MPI_CHAR, windows_[window], &request) ; |
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[2399] | 381 | if (info.isActive(logProtocol)) CTimer::get("MPI_Rget").suspend() ; |
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[2343] | 382 | pendingRmaRequests_.push_back(request) ; |
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[2399] | 383 | pendingRmaCount_.push_back(count) ; |
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[2343] | 384 | onTransferEvents_[timeline].push_back({buffer,start,count,addr}) ; |
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| 385 | } |
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| 386 | |
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| 387 | void COneSidedServerBuffer::fillEventServer(size_t timeline, CEventServer& event) |
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| 388 | { |
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| 389 | auto &completedEvent=completedEvents_[timeline] ; |
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| 390 | size_t size=0 ; |
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| 391 | for(auto& bloc : completedEvent) size+=bloc.count ; |
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| 392 | char* buffer = new char[size] ; |
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| 393 | size=0 ; |
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| 394 | |
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| 395 | ostringstream outStr ; |
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[2399] | 396 | if (info.isActive(logProtocol)) outStr<<"Received Event from client "<<clientRank_<<" timeline="<<timeline |
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| 397 | <<" nbBlocs="<<completedEvent.size()<<endl ; |
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[2343] | 398 | int i=0 ; |
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| 399 | MPI_Aint addr ; |
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| 400 | for(auto& bloc : completedEvent) |
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| 401 | { |
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| 402 | memcpy(&buffer[size], bloc.buffer->getBuffer()+bloc.start, bloc.count) ; |
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| 403 | |
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| 404 | if (info.isActive(logProtocol)) |
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| 405 | { |
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| 406 | size_t checksum=0 ; |
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| 407 | for(size_t j=0;j<bloc.count;j++) checksum += (unsigned char) buffer[size+j] ; |
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| 408 | outStr<<"bloc "<<i<<" count="<<bloc.count<<" checksum="<<checksum<<" ; " ; |
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| 409 | i++ ; |
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| 410 | } |
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| 411 | |
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| 412 | size+=bloc.count ; |
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| 413 | bloc.buffer->free(bloc.start, bloc.count) ; // free bloc |
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| 414 | addr=bloc.addr ; |
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[2565] | 415 | if (bloc.buffer->getCount()==0) |
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| 416 | { |
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| 417 | if (buffers_.size() > 1) |
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| 418 | { |
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| 419 | delete buffers_.front(); |
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| 420 | buffers_.pop_front() ; // if buffer is empty free buffer |
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| 421 | } |
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| 422 | } |
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[2343] | 423 | } |
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| 424 | event.push(clientRank_, nullptr, buffer, size) ; |
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| 425 | if (info.isActive(logProtocol)) outStr<<" ==> nbSenders="<<event.getNbSender() ; |
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| 426 | info(logProtocol)<<outStr.str()<<endl ; |
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| 427 | |
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| 428 | lastBlocToFree_=addr ; |
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| 429 | /* |
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| 430 | if (!isLocked_) MPI_Win_lock(MPI_LOCK_SHARED, windowRank_, 0, window_) ; |
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| 431 | MPI_Aint target=MPI_Aint_add(controlAddr_, CONTROL_ADDR) ; |
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| 432 | MPI_Put(&addr, 1, MPI_AINT, windowRank_, target, 1, MPI_AINT, window_) ; |
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| 433 | if (!isLocked_) MPI_Win_unlock(windowRank_,window_) ; |
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| 434 | */ |
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| 435 | completedEvents_.erase(timeline) ; |
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| 436 | eventLoop() ; |
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| 437 | } |
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| 438 | |
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| 439 | |
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| 440 | |
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[2346] | 441 | } |
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