[2343] | 1 | #include "xios_spl.hpp" |
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| 2 | #include "one_sided_context_client.hpp" |
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| 3 | #include "context_server.hpp" |
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| 4 | #include "event_client.hpp" |
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| 5 | #include "buffer_out.hpp" |
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| 6 | #include "type.hpp" |
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| 7 | #include "event_client.hpp" |
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| 8 | #include "context.hpp" |
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| 9 | #include "mpi.hpp" |
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| 10 | #include "timer.hpp" |
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| 11 | #include "cxios.hpp" |
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| 12 | #include "server.hpp" |
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| 13 | #include "services.hpp" |
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| 14 | #include <boost/functional/hash.hpp> |
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| 15 | #include <random> |
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| 16 | #include <chrono> |
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| 17 | |
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| 18 | namespace xios |
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| 19 | { |
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| 20 | /*! |
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| 21 | \param [in] parent Pointer to context on client side |
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| 22 | \param [in] intraComm_ communicator of group client |
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| 23 | \param [in] interComm_ communicator of group server |
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| 24 | \cxtSer [in] cxtSer Pointer to context of server side. (It is only used in case of attached mode). |
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| 25 | */ |
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| 26 | COneSidedContextClient::COneSidedContextClient(CContext* parent, MPI_Comm intraComm_, MPI_Comm interComm_, CContext* cxtSer) |
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| 27 | : CContextClient(parent, intraComm_, interComm_, cxtSer), |
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| 28 | mapBufferSize_(), maxBufferedEvents(4) |
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| 29 | { |
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| 30 | |
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| 31 | pureOneSided=CXios::getin<bool>("pure_one_sided",false); // pure one sided communication (for test) |
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| 32 | if (isAttachedModeEnabled()) pureOneSided=false ; // no one sided in attach mode |
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| 33 | |
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| 34 | if (!isAttachedModeEnabled()) MPI_Intercomm_merge(interComm_,false, &interCommMerged_) ; |
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| 35 | |
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| 36 | MPI_Comm_split(intraComm_,clientRank,clientRank, &commSelf_) ; // for windows |
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| 37 | |
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| 38 | timeLine = 1; |
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| 39 | } |
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| 40 | |
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| 41 | |
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| 42 | /*! |
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| 43 | In case of attached mode, the current context must be reset to context for client |
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| 44 | \param [in] event Event sent to server |
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| 45 | */ |
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| 46 | void COneSidedContextClient::sendEvent(CEventClient& event) |
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| 47 | { |
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| 48 | list<int> ranks = event.getRanks(); |
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| 49 | |
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| 50 | // ostringstream str ; |
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| 51 | // for(auto& rank : ranks) str<<rank<<" ; " ; |
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| 52 | // info(100)<<"Event "<<timeLine<<" of context "<<context_->getId()<<" for ranks : "<<str.str()<<endl ; |
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| 53 | |
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| 54 | if (CXios::checkEventSync) |
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| 55 | { |
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| 56 | int typeId, classId, typeId_in, classId_in; |
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| 57 | long long timeLine_out; |
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| 58 | long long timeLine_in( timeLine ); |
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| 59 | typeId_in=event.getTypeId() ; |
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| 60 | classId_in=event.getClassId() ; |
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| 61 | // MPI_Allreduce(&timeLine,&timeLine_out, 1, MPI_UINT64_T, MPI_SUM, intraComm) ; // MPI_UINT64_T standardized by MPI 3 |
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| 62 | MPI_Allreduce(&timeLine_in,&timeLine_out, 1, MPI_LONG_LONG_INT, MPI_SUM, intraComm) ; |
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| 63 | MPI_Allreduce(&typeId_in,&typeId, 1, MPI_INT, MPI_SUM, intraComm) ; |
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| 64 | MPI_Allreduce(&classId_in,&classId, 1, MPI_INT, MPI_SUM, intraComm) ; |
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| 65 | if (typeId/clientSize!=event.getTypeId() || classId/clientSize!=event.getClassId() || timeLine_out/clientSize!=timeLine) |
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| 66 | { |
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| 67 | ERROR("void COneSidedContextClient::sendEvent(CEventClient& event)", |
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| 68 | << "Event are not coherent between client for timeline = "<<timeLine); |
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| 69 | } |
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| 70 | |
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| 71 | vector<int> servers(serverSize,0) ; |
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| 72 | auto ranks=event.getRanks() ; |
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| 73 | for(auto& rank : ranks) servers[rank]=1 ; |
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| 74 | MPI_Allreduce(MPI_IN_PLACE, servers.data(), serverSize,MPI_INT,MPI_SUM,intraComm) ; |
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| 75 | ostringstream osstr ; |
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| 76 | for(int i=0;i<serverSize;i++) if (servers[i]==0) osstr<<i<<" , " ; |
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| 77 | if (!osstr.str().empty()) |
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| 78 | { |
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| 79 | ERROR("void COneSidedContextClient::sendEvent(CEventClient& event)", |
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| 80 | <<" Some servers will not receive the message for timeline = "<<timeLine<<endl |
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| 81 | <<"Servers are : "<<osstr.str()) ; |
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| 82 | } |
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| 83 | |
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| 84 | |
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| 85 | } |
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| 86 | |
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| 87 | event.setFirst() ; |
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| 88 | while(!event.isEmpty()) |
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| 89 | { |
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| 90 | int rank=event.getRank() ; |
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| 91 | auto itBuffer=buffers.find(rank) ; |
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| 92 | if (itBuffer==buffers.end()) |
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| 93 | { |
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| 94 | newBuffer(rank) ; |
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| 95 | itBuffer=buffers.find(rank) ; |
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| 96 | } |
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| 97 | itBuffer->second->eventLoop() ; |
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[2399] | 98 | double time=CTimer::getTime() ; |
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[2343] | 99 | bool succed = itBuffer->second->writeEvent(timeLine, event) ; |
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[2399] | 100 | if (succed) |
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| 101 | { |
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| 102 | time=CTimer::getTime()-time ; |
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| 103 | if (!CTimer::get("Blocking time").isSuspended()) CTimer::get("Blocking time").minus(time) ; |
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| 104 | } |
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| 105 | |
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[2343] | 106 | if (succed) event.remove() ; |
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| 107 | else event.next() ; |
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[2399] | 108 | if (event.isFirst()) |
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| 109 | { |
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| 110 | if (CTimer::get("Blocking time").isSuspended()) CTimer::get("Blocking time").resume() ; |
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| 111 | callGlobalEventLoop() ; |
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| 112 | } |
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[2343] | 113 | } |
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[2399] | 114 | if (!CTimer::get("Blocking time").isSuspended()) CTimer::get("Blocking time").suspend() ; |
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| 115 | |
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[2343] | 116 | if (isAttachedModeEnabled()) // couldBuffer is always true in attached mode |
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| 117 | { |
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| 118 | while (checkBuffers(ranks)) callGlobalEventLoop() ; |
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| 119 | |
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| 120 | CXios::getDaemonsManager()->scheduleContext(hashId_) ; |
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| 121 | while (CXios::getDaemonsManager()->isScheduledContext(hashId_)) callGlobalEventLoop() ; |
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| 122 | } |
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| 123 | |
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| 124 | timeLine++; |
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| 125 | } |
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| 126 | |
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| 127 | |
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| 128 | void COneSidedContextClient::eventLoop(void) |
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| 129 | { |
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| 130 | if (!locked_) checkBuffers() ; |
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| 131 | } |
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| 132 | |
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| 133 | void COneSidedContextClient::callGlobalEventLoop(void) |
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| 134 | { |
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| 135 | locked_=true ; |
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| 136 | context_->globalEventLoop() ; |
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| 137 | locked_=false ; |
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| 138 | } |
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| 139 | /*! |
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| 140 | Make a new buffer for a certain connection to server with specific rank |
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| 141 | \param [in] rank rank of connected server |
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| 142 | */ |
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| 143 | void COneSidedContextClient::newBuffer(int rank) |
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| 144 | { |
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| 145 | if (!mapBufferSize_.count(rank)) |
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| 146 | { |
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| 147 | error(0) << "WARNING: Unexpected request for buffer to communicate with server " << rank << std::endl; |
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| 148 | mapBufferSize_[rank] = CXios::minBufferSize; |
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| 149 | maxEventSizes[rank] = CXios::minBufferSize; |
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| 150 | } |
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| 151 | |
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| 152 | COneSidedClientBuffer* buffer = buffers[rank] = new COneSidedClientBuffer(interComm, rank, commSelf_, interCommMerged_, clientSize+rank ); |
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| 153 | if (isGrowableBuffer_) { buffer->setGrowable(growingFactor_) ; } |
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| 154 | else buffer->setFixed(mapBufferSize_[rank]) ; |
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| 155 | |
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| 156 | } |
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| 157 | |
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| 158 | /*! |
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| 159 | Verify state of buffers. Buffer is under pending state if there is no message on it |
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| 160 | \return state of buffers, pending(true), ready(false) |
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| 161 | */ |
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| 162 | bool COneSidedContextClient::checkBuffers(void) |
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| 163 | { |
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| 164 | bool pending = false; |
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| 165 | for (auto itBuff : buffers) |
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| 166 | { |
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| 167 | itBuff.second->eventLoop() ; |
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| 168 | pending |= itBuff.second->isEmpty(); |
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| 169 | } |
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| 170 | return pending; |
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| 171 | } |
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| 172 | |
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| 173 | //! Release all buffers |
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| 174 | void COneSidedContextClient::releaseBuffers() |
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| 175 | { |
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| 176 | for (auto& itBuff : buffers) delete itBuff.second; |
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| 177 | buffers.clear(); |
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| 178 | } |
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| 179 | |
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| 180 | |
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| 181 | /*! |
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| 182 | Verify state of buffers corresponding to a connection |
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| 183 | \param [in] ranks list rank of server to which client connects to |
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| 184 | \return state of buffers, pending(true), ready(false) |
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| 185 | */ |
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| 186 | bool COneSidedContextClient::checkBuffers(list<int>& ranks) |
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| 187 | { |
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| 188 | bool pending = false; |
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| 189 | for (auto& rank : ranks) |
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| 190 | { |
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| 191 | buffers[rank]->eventLoop() ; |
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| 192 | pending |= buffers[rank]->isEmpty() ; |
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| 193 | } |
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| 194 | return pending; |
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| 195 | } |
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| 196 | |
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| 197 | /*! |
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| 198 | * Set the buffer size for each connection. Warning: This function is collective. |
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| 199 | * |
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| 200 | * \param [in] mapSize maps the rank of the connected servers to the size of the correspoinding buffer |
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| 201 | * \param [in] maxEventSize maps the rank of the connected servers to the size of the biggest event |
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| 202 | */ |
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| 203 | void COneSidedContextClient::setBufferSize(const std::map<int,StdSize>& mapSize) |
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| 204 | { |
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| 205 | setFixedBuffer() ; |
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| 206 | for(auto& it : mapSize) |
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| 207 | { |
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| 208 | size_t size=std::max(CXios::minBufferSize*1.0,std::min(it.second*CXios::bufferSizeFactor*1.01,CXios::maxBufferSize*1.0)) * 8 ; // double |
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| 209 | mapBufferSize_[it.first]=size ; |
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| 210 | if (buffers.count(it.first)>0) buffers[it.first]->setFixed(size); |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | |
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| 215 | /*! |
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| 216 | * Finalize context client and do some reports. Function is non-blocking. |
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| 217 | */ |
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| 218 | void COneSidedContextClient::finalize(void) |
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| 219 | { |
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| 220 | bool stop = false; |
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| 221 | |
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| 222 | int* nbServerConnectionLocal = new int[serverSize] ; |
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| 223 | int* nbServerConnectionGlobal = new int[serverSize] ; |
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| 224 | for(int i=0;i<serverSize;++i) nbServerConnectionLocal[i]=0 ; |
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| 225 | for (auto itBuff = buffers.begin(); itBuff != buffers.end(); itBuff++) nbServerConnectionLocal[itBuff->first]=1 ; |
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| 226 | for (auto ItServerLeader = ranksServerLeader.begin(); ItServerLeader != ranksServerLeader.end(); ItServerLeader++) nbServerConnectionLocal[*ItServerLeader]=1 ; |
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| 227 | |
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| 228 | MPI_Allreduce(nbServerConnectionLocal, nbServerConnectionGlobal, serverSize, MPI_INT, MPI_SUM, intraComm); |
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| 229 | |
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| 230 | CEventClient event(CContext::GetType(), CContext::EVENT_ID_CONTEXT_FINALIZE); |
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| 231 | CMessage msg; |
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| 232 | |
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| 233 | for (int i=0;i<serverSize;++i) if (nbServerConnectionLocal[i]==1) event.push(i, nbServerConnectionGlobal[i], msg) ; |
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| 234 | sendEvent(event); |
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| 235 | |
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| 236 | delete[] nbServerConnectionLocal ; |
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| 237 | delete[] nbServerConnectionGlobal ; |
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| 238 | |
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| 239 | |
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| 240 | CTimer::get("Blocking time").resume(); |
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| 241 | checkBuffers(); |
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| 242 | CTimer::get("Blocking time").suspend(); |
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| 243 | |
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| 244 | std::map<int,StdSize>::const_iterator itbMap = mapBufferSize_.begin(), |
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| 245 | iteMap = mapBufferSize_.end(), itMap; |
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| 246 | |
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| 247 | StdSize totalBuf = 0; |
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| 248 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
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| 249 | { |
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| 250 | report(10) << " Memory report : Context <" << context_->getId() << "> : client side : memory used for buffer of each connection to server" << endl |
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| 251 | << " +) To server with rank " << itMap->first << " : " << itMap->second << " bytes " << endl; |
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| 252 | totalBuf += itMap->second; |
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| 253 | } |
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| 254 | report(0) << " Memory report : Context <" << context_->getId() << "> : client side : total memory used for buffer " << totalBuf << " bytes" << endl; |
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| 255 | |
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| 256 | } |
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| 257 | |
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| 258 | |
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| 259 | /*! |
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| 260 | */ |
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| 261 | bool COneSidedContextClient::havePendingRequests(void) |
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| 262 | { |
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| 263 | return checkBuffers(); |
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| 264 | } |
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| 265 | |
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| 266 | bool COneSidedContextClient::havePendingRequests(list<int>& ranks) |
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| 267 | { |
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| 268 | return checkBuffers(ranks) ; |
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| 269 | } |
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| 270 | |
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| 271 | bool COneSidedContextClient::isNotifiedFinalized(void) |
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| 272 | { |
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| 273 | if (isAttachedModeEnabled()) return true ; |
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| 274 | |
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| 275 | bool finalized = true; |
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| 276 | for (auto& it : buffers ) finalized &= it.second->isNotifiedFinalized(); |
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| 277 | return finalized; |
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| 278 | } |
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| 279 | |
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| 280 | } |
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