[490] | 1 | #include "globalScopeData.hpp" |
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[591] | 2 | #include "xios_spl.hpp" |
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[300] | 3 | #include "cxios.hpp" |
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[342] | 4 | #include "server.hpp" |
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[1460] | 5 | #include "client.hpp" |
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[300] | 6 | #include "type.hpp" |
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| 7 | #include "context.hpp" |
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[352] | 8 | #include "object_template.hpp" |
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[300] | 9 | #include "oasis_cinterface.hpp" |
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| 10 | #include <boost/functional/hash.hpp> |
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| 11 | #include <boost/algorithm/string.hpp> |
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[1328] | 12 | #include "mpi.hpp" |
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[347] | 13 | #include "tracer.hpp" |
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| 14 | #include "timer.hpp" |
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[492] | 15 | #include "event_scheduler.hpp" |
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[1328] | 16 | using namespace ep_lib; |
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[300] | 17 | |
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[335] | 18 | namespace xios |
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[490] | 19 | { |
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[300] | 20 | MPI_Comm CServer::intraComm ; |
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[1460] | 21 | std::list<MPI_Comm> CServer::interCommLeft ; |
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| 22 | std::list<MPI_Comm> CServer::interCommRight ; |
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[655] | 23 | std::list<MPI_Comm> CServer::contextInterComms; |
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[1460] | 24 | std::list<MPI_Comm> CServer::contextIntraComms; |
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| 25 | int CServer::serverLevel = 0 ; |
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| 26 | int CServer::nbContexts = 0; |
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| 27 | bool CServer::isRoot = false ; |
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| 28 | int CServer::rank_ = INVALID_RANK; |
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[490] | 29 | StdOFStream CServer::m_infoStream; |
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[523] | 30 | StdOFStream CServer::m_errorStream; |
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[490] | 31 | map<string,CContext*> CServer::contextList ; |
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[1460] | 32 | vector<int> CServer::sndServerGlobalRanks; |
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[300] | 33 | bool CServer::finished=false ; |
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| 34 | bool CServer::is_MPI_Initialized ; |
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[597] | 35 | CEventScheduler* CServer::eventScheduler = 0; |
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[1460] | 36 | |
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| 37 | //--------------------------------------------------------------- |
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| 38 | /*! |
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| 39 | * \fn void CServer::initialize(void) |
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| 40 | * Creates intraComm for each possible type of servers (classical, primary or secondary). |
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| 41 | * (For now the assumption is that there is one proc per secondary server pool.) |
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| 42 | * Creates interComm and stores them into the following lists: |
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| 43 | * classical server -- interCommLeft |
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| 44 | * primary server -- interCommLeft and interCommRight |
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| 45 | * secondary server -- interCommLeft for each pool. |
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| 46 | * IMPORTANT: CXios::usingServer2 should NOT be used beyond this function. Use CServer::serverLevel instead. |
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| 47 | */ |
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[300] | 48 | void CServer::initialize(void) |
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| 49 | { |
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[1460] | 50 | //int initialized ; |
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| 51 | //MPI_Initialized(&initialized) ; |
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| 52 | //if (initialized) is_MPI_Initialized=true ; |
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| 53 | //else is_MPI_Initialized=false ; |
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| 54 | int rank ; |
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[1328] | 55 | |
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[300] | 56 | // Not using OASIS |
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| 57 | if (!CXios::usingOasis) |
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| 58 | { |
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[490] | 59 | |
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[1460] | 60 | //if (!is_MPI_Initialized) |
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| 61 | //{ |
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| 62 | // MPI_Init(NULL, NULL); |
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| 63 | //} |
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[359] | 64 | CTimer::get("XIOS").resume() ; |
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[490] | 65 | |
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| 66 | boost::hash<string> hashString ; |
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[1460] | 67 | unsigned long hashServer = hashString(CXios::xiosCodeId); |
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[490] | 68 | |
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[300] | 69 | unsigned long* hashAll ; |
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[1460] | 70 | unsigned long* srvLevelAll ; |
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[490] | 71 | |
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[300] | 72 | int size ; |
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| 73 | int myColor ; |
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| 74 | int i,c ; |
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[1460] | 75 | MPI_Comm newComm; |
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[490] | 76 | |
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[1460] | 77 | MPI_Comm_size(CXios::globalComm, &size) ; |
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| 78 | MPI_Comm_rank(CXios::globalComm, &rank_); |
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| 79 | |
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[300] | 80 | hashAll=new unsigned long[size] ; |
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[1460] | 81 | MPI_Allgather(&hashServer, 1, MPI_LONG, hashAll, 1, MPI_LONG, CXios::globalComm) ; |
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[490] | 82 | |
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[300] | 83 | map<unsigned long, int> colors ; |
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| 84 | map<unsigned long, int> leaders ; |
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| 85 | map<unsigned long, int>::iterator it ; |
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[490] | 86 | |
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[1460] | 87 | // (1) Establish client leaders, distribute processes between two server levels |
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| 88 | std::vector<int> srvRanks; |
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[300] | 89 | for(i=0,c=0;i<size;i++) |
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| 90 | { |
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| 91 | if (colors.find(hashAll[i])==colors.end()) |
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| 92 | { |
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| 93 | colors[hashAll[i]]=c ; |
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| 94 | leaders[hashAll[i]]=i ; |
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| 95 | c++ ; |
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| 96 | } |
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[1460] | 97 | if (CXios::usingServer2) |
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| 98 | if (hashAll[i] == hashServer) |
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| 99 | srvRanks.push_back(i); |
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[300] | 100 | } |
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[490] | 101 | |
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[1460] | 102 | if (CXios::usingServer2) |
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| 103 | { |
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| 104 | int reqNbProc = srvRanks.size()*CXios::ratioServer2/100.; |
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| 105 | if (reqNbProc<1 || reqNbProc==srvRanks.size()) |
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| 106 | { |
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| 107 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
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| 108 | << "It is impossible to dedicate the requested number of processes = "<<reqNbProc |
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| 109 | <<" to secondary server. XIOS will run in the classical server mode."<<endl; |
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| 110 | } |
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| 111 | else |
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| 112 | { |
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| 113 | int firstSndSrvRank = srvRanks.size()*(100.-CXios::ratioServer2)/100. ; |
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| 114 | int poolLeader = firstSndSrvRank; |
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| 115 | //*********** (1) Comment out the line below to set one process per pool |
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| 116 | // sndServerGlobalRanks.push_back(srvRanks[poolLeader]); |
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| 117 | int nbPools = CXios::nbPoolsServer2; |
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| 118 | if ( nbPools > reqNbProc || nbPools < 1) |
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| 119 | { |
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| 120 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
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| 121 | << "It is impossible to allocate the requested number of pools = "<<nbPools |
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| 122 | <<" on the secondary server. It will be set so that there is one process per pool."<<endl; |
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| 123 | nbPools = reqNbProc; |
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| 124 | } |
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| 125 | int remainder = ((int) (srvRanks.size()*CXios::ratioServer2/100.)) % nbPools; |
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| 126 | int procsPerPool = ((int) (srvRanks.size()*CXios::ratioServer2/100.)) / nbPools; |
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| 127 | for (i=0; i<srvRanks.size(); i++) |
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| 128 | { |
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| 129 | if (i >= firstSndSrvRank) |
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| 130 | { |
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| 131 | if (rank_ == srvRanks[i]) |
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| 132 | { |
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| 133 | serverLevel=2; |
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| 134 | } |
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| 135 | poolLeader += procsPerPool; |
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| 136 | if (remainder != 0) |
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| 137 | { |
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| 138 | ++poolLeader; |
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| 139 | --remainder; |
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| 140 | } |
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| 141 | //*********** (2) Comment out the two lines below to set one process per pool |
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| 142 | // if (poolLeader < srvRanks.size()) |
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| 143 | // sndServerGlobalRanks.push_back(srvRanks[poolLeader]); |
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| 144 | //*********** (3) Uncomment the line below to set one process per pool |
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| 145 | sndServerGlobalRanks.push_back(srvRanks[i]); |
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| 146 | } |
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| 147 | else |
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| 148 | { |
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| 149 | if (rank_ == srvRanks[i]) serverLevel=1; |
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| 150 | } |
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| 151 | } |
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| 152 | if (serverLevel==2) |
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| 153 | { |
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| 154 | #pragma omp critical (_output) |
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| 155 | info(50)<<"The number of secondary server pools is "<< sndServerGlobalRanks.size() <<endl ; |
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| 156 | for (i=0; i<sndServerGlobalRanks.size(); i++) |
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| 157 | { |
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| 158 | if (rank_>= sndServerGlobalRanks[i]) |
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| 159 | { |
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| 160 | if ( i == sndServerGlobalRanks.size()-1) |
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| 161 | { |
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| 162 | myColor = colors.size() + sndServerGlobalRanks[i]; |
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| 163 | } |
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| 164 | else if (rank_< sndServerGlobalRanks[i+1]) |
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| 165 | { |
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| 166 | myColor = colors.size() + sndServerGlobalRanks[i]; |
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| 167 | break; |
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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 | } |
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[1134] | 174 | |
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[1460] | 175 | // (2) Create intraComm |
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| 176 | if (serverLevel != 2) myColor=colors[hashServer]; |
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| 177 | MPI_Comm_split(CXios::globalComm, myColor, rank_, &intraComm) ; |
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[490] | 178 | |
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[1460] | 179 | // (3) Create interComm |
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| 180 | if (serverLevel == 0) |
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| 181 | { |
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| 182 | int clientLeader; |
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| 183 | for(it=leaders.begin();it!=leaders.end();it++) |
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| 184 | { |
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| 185 | if (it->first!=hashServer) |
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| 186 | { |
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| 187 | clientLeader=it->second ; |
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| 188 | int intraCommSize, intraCommRank ; |
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| 189 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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| 190 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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| 191 | #pragma omp critical (_output) |
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| 192 | { |
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| 193 | info(50)<<"intercommCreate::server (classical mode) "<<rank_<<" intraCommSize : "<<intraCommSize |
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[1347] | 194 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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[1460] | 195 | } |
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[300] | 196 | |
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[1460] | 197 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 0, &newComm) ; |
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| 198 | interCommLeft.push_back(newComm) ; |
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| 199 | } |
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| 200 | } |
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| 201 | } |
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| 202 | else if (serverLevel == 1) |
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| 203 | { |
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| 204 | int clientLeader, srvSndLeader; |
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| 205 | int srvPrmLeader ; |
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| 206 | |
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| 207 | for (it=leaders.begin();it!=leaders.end();it++) |
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| 208 | { |
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| 209 | if (it->first != hashServer) |
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| 210 | { |
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| 211 | clientLeader=it->second ; |
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| 212 | int intraCommSize, intraCommRank ; |
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| 213 | MPI_Comm_size(intraComm, &intraCommSize) ; |
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| 214 | MPI_Comm_rank(intraComm, &intraCommRank) ; |
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| 215 | #pragma omp critical (_output) |
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| 216 | { |
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| 217 | info(50)<<"intercommCreate::server (server level 1) "<<rank_<<" intraCommSize : "<<intraCommSize |
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| 218 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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| 219 | } |
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| 220 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 0, &newComm) ; |
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| 221 | interCommLeft.push_back(newComm) ; |
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| 222 | } |
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| 223 | } |
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| 224 | |
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| 225 | for (int i = 0; i < sndServerGlobalRanks.size(); ++i) |
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| 226 | { |
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| 227 | int intraCommSize, intraCommRank ; |
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| 228 | MPI_Comm_size(intraComm, &intraCommSize) ; |
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| 229 | MPI_Comm_rank(intraComm, &intraCommRank) ; |
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| 230 | #pragma omp critical (_output) |
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| 231 | { |
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| 232 | info(50)<<"intercommCreate::client (server level 1) "<<rank_<<" intraCommSize : "<<intraCommSize |
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| 233 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< sndServerGlobalRanks[i]<<endl ; |
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| 234 | } |
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| 235 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, sndServerGlobalRanks[i], 1, &newComm) ; |
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| 236 | interCommRight.push_back(newComm) ; |
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| 237 | } |
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| 238 | } |
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| 239 | else |
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| 240 | { |
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| 241 | int clientLeader; |
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| 242 | clientLeader = leaders[hashString(CXios::xiosCodeId)]; |
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| 243 | int intraCommSize, intraCommRank ; |
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| 244 | MPI_Comm_size(intraComm, &intraCommSize) ; |
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| 245 | MPI_Comm_rank(intraComm, &intraCommRank) ; |
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| 246 | #pragma omp critical (_output) |
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| 247 | { |
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| 248 | info(50)<<"intercommCreate::server (server level 2) "<<rank_<<" intraCommSize : "<<intraCommSize |
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| 249 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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| 250 | } |
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| 251 | |
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| 252 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 1, &newComm) ; |
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| 253 | interCommLeft.push_back(newComm) ; |
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| 254 | } |
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| 255 | |
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| 256 | delete [] hashAll ; |
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| 257 | |
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[300] | 258 | } |
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| 259 | // using OASIS |
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[1460] | 260 | else |
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[300] | 261 | { |
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[490] | 262 | int size; |
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[1460] | 263 | int myColor; |
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| 264 | int* srvGlobalRanks; |
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[490] | 265 | if (!is_MPI_Initialized) oasis_init(CXios::xiosCodeId); |
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| 266 | |
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[359] | 267 | CTimer::get("XIOS").resume() ; |
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[655] | 268 | MPI_Comm localComm; |
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| 269 | oasis_get_localcomm(localComm); |
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[1460] | 270 | MPI_Comm_rank(localComm,&rank_) ; |
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[655] | 271 | |
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[1460] | 272 | // (1) Create server intraComm |
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| 273 | if (!CXios::usingServer2) |
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| 274 | { |
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| 275 | MPI_Comm_dup(localComm, &intraComm); |
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| 276 | } |
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| 277 | else |
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| 278 | { |
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| 279 | int globalRank; |
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| 280 | MPI_Comm_size(localComm,&size) ; |
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| 281 | MPI_Comm_rank(CXios::globalComm,&globalRank) ; |
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| 282 | srvGlobalRanks = new int[size] ; |
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| 283 | MPI_Allgather(&globalRank, 1, MPI_INT, srvGlobalRanks, 1, MPI_INT, localComm) ; |
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| 284 | |
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| 285 | int reqNbProc = size*CXios::ratioServer2/100.; |
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| 286 | if (reqNbProc < 1 || reqNbProc == size) |
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| 287 | { |
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| 288 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
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| 289 | << "It is impossible to dedicate the requested number of processes = "<<reqNbProc |
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| 290 | <<" to secondary server. XIOS will run in the classical server mode."<<endl; |
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| 291 | MPI_Comm_dup(localComm, &intraComm); |
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| 292 | } |
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| 293 | else |
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| 294 | { |
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| 295 | int firstSndSrvRank = size*(100.-CXios::ratioServer2)/100. ; |
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| 296 | int poolLeader = firstSndSrvRank; |
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| 297 | //*********** (1) Comment out the line below to set one process per pool |
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| 298 | // sndServerGlobalRanks.push_back(srvGlobalRanks[poolLeader]); |
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| 299 | int nbPools = CXios::nbPoolsServer2; |
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| 300 | if ( nbPools > reqNbProc || nbPools < 1) |
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| 301 | { |
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| 302 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
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| 303 | << "It is impossible to allocate the requested number of pools = "<<nbPools |
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| 304 | <<" on the secondary server. It will be set so that there is one process per pool."<<endl; |
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| 305 | nbPools = reqNbProc; |
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| 306 | } |
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| 307 | int remainder = ((int) (size*CXios::ratioServer2/100.)) % nbPools; |
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| 308 | int procsPerPool = ((int) (size*CXios::ratioServer2/100.)) / nbPools; |
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| 309 | for (int i=0; i<size; i++) |
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| 310 | { |
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| 311 | if (i >= firstSndSrvRank) |
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| 312 | { |
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| 313 | if (globalRank == srvGlobalRanks[i]) |
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| 314 | { |
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| 315 | serverLevel=2; |
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| 316 | } |
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| 317 | poolLeader += procsPerPool; |
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| 318 | if (remainder != 0) |
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| 319 | { |
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| 320 | ++poolLeader; |
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| 321 | --remainder; |
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| 322 | } |
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| 323 | //*********** (2) Comment out the two lines below to set one process per pool |
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| 324 | // if (poolLeader < size) |
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| 325 | // sndServerGlobalRanks.push_back(srvGlobalRanks[poolLeader]); |
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| 326 | //*********** (3) Uncomment the line below to set one process per pool |
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| 327 | sndServerGlobalRanks.push_back(srvGlobalRanks[i]); |
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| 328 | } |
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| 329 | else |
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| 330 | { |
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| 331 | if (globalRank == srvGlobalRanks[i]) serverLevel=1; |
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| 332 | } |
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| 333 | } |
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| 334 | if (serverLevel==2) |
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| 335 | { |
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| 336 | info(50)<<"The number of secondary server pools is "<< sndServerGlobalRanks.size() <<endl ; |
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| 337 | for (int i=0; i<sndServerGlobalRanks.size(); i++) |
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| 338 | { |
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| 339 | if (globalRank>= sndServerGlobalRanks[i]) |
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| 340 | { |
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| 341 | if (i == sndServerGlobalRanks.size()-1) |
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| 342 | { |
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| 343 | myColor = sndServerGlobalRanks[i]; |
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| 344 | } |
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| 345 | else if (globalRank< sndServerGlobalRanks[i+1]) |
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| 346 | { |
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| 347 | myColor = sndServerGlobalRanks[i]; |
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| 348 | break; |
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| 349 | } |
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| 350 | } |
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| 351 | } |
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| 352 | } |
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| 353 | if (serverLevel != 2) myColor=0; |
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| 354 | MPI_Comm_split(localComm, myColor, rank_, &intraComm) ; |
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| 355 | } |
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| 356 | } |
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| 357 | |
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[300] | 358 | string codesId=CXios::getin<string>("oasis_codes_id") ; |
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| 359 | vector<string> splitted ; |
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[483] | 360 | boost::split( splitted, codesId, boost::is_any_of(","), boost::token_compress_on ) ; |
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[300] | 361 | vector<string>::iterator it ; |
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| 362 | |
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| 363 | MPI_Comm newComm ; |
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| 364 | int globalRank ; |
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| 365 | MPI_Comm_rank(CXios::globalComm,&globalRank); |
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[490] | 366 | |
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[1460] | 367 | // (2) Create interComms with models |
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[300] | 368 | for(it=splitted.begin();it!=splitted.end();it++) |
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| 369 | { |
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| 370 | oasis_get_intercomm(newComm,*it) ; |
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[1460] | 371 | if ( serverLevel == 0 || serverLevel == 1) |
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| 372 | { |
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| 373 | interCommLeft.push_back(newComm) ; |
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| 374 | if (rank_==0) MPI_Send(&globalRank,1,MPI_INT,0,0,newComm) ; |
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| 375 | } |
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[300] | 376 | } |
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[1460] | 377 | |
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| 378 | // (3) Create interComms between primary and secondary servers |
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| 379 | int intraCommSize, intraCommRank ; |
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| 380 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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| 381 | MPI_Comm_rank(intraComm, &intraCommRank) ; |
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| 382 | |
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| 383 | if (serverLevel == 1) |
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| 384 | { |
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| 385 | for (int i = 0; i < sndServerGlobalRanks.size(); ++i) |
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| 386 | { |
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| 387 | int srvSndLeader = sndServerGlobalRanks[i]; |
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| 388 | info(50)<<"intercommCreate::client (server level 1) "<<globalRank<<" intraCommSize : "<<intraCommSize |
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| 389 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< srvSndLeader<<endl ; |
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| 390 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, srvSndLeader, 0, &newComm) ; |
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| 391 | interCommRight.push_back(newComm) ; |
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| 392 | } |
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| 393 | } |
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| 394 | else if (serverLevel == 2) |
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| 395 | { |
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| 396 | info(50)<<"intercommCreate::server (server level 2)"<<globalRank<<" intraCommSize : "<<intraCommSize |
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| 397 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< srvGlobalRanks[0] <<endl ; |
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| 398 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, srvGlobalRanks[0], 0, &newComm) ; |
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| 399 | interCommLeft.push_back(newComm) ; |
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| 400 | } |
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| 401 | if (CXios::usingServer2) delete [] srvGlobalRanks ; |
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| 402 | oasis_enddef() ; |
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[300] | 403 | } |
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[1460] | 404 | |
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| 405 | |
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| 406 | MPI_Comm_rank(intraComm, &rank) ; |
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[300] | 407 | if (rank==0) isRoot=true; |
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[490] | 408 | else isRoot=false; |
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[492] | 409 | |
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| 410 | eventScheduler = new CEventScheduler(intraComm) ; |
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[300] | 411 | } |
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[490] | 412 | |
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[300] | 413 | void CServer::finalize(void) |
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| 414 | { |
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[361] | 415 | CTimer::get("XIOS").suspend() ; |
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[697] | 416 | |
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[492] | 417 | delete eventScheduler ; |
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[655] | 418 | |
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[1328] | 419 | for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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[655] | 420 | MPI_Comm_free(&(*it)); |
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[1460] | 421 | |
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| 422 | for (std::list<MPI_Comm>::iterator it = contextIntraComms.begin(); it != contextIntraComms.end(); it++) |
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[655] | 423 | MPI_Comm_free(&(*it)); |
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[1460] | 424 | |
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| 425 | // for (std::list<MPI_Comm>::iterator it = interComm.begin(); it != interComm.end(); it++) |
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| 426 | // MPI_Comm_free(&(*it)); |
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| 427 | |
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| 428 | // for (std::list<MPI_Comm>::iterator it = interCommLeft.begin(); it != interCommLeft.end(); it++) |
---|
| 429 | // MPI_Comm_free(&(*it)); |
---|
| 430 | |
---|
| 431 | for (std::list<MPI_Comm>::iterator it = interCommRight.begin(); it != interCommRight.end(); it++) |
---|
| 432 | MPI_Comm_free(&(*it)); |
---|
| 433 | |
---|
[655] | 434 | MPI_Comm_free(&intraComm); |
---|
| 435 | |
---|
[300] | 436 | if (!is_MPI_Initialized) |
---|
[490] | 437 | { |
---|
[300] | 438 | if (CXios::usingOasis) oasis_finalize(); |
---|
[1328] | 439 | //else MPI_Finalize() ; |
---|
[300] | 440 | } |
---|
[1464] | 441 | |
---|
[347] | 442 | report(0)<<"Performance report : Time spent for XIOS : "<<CTimer::get("XIOS server").getCumulatedTime()<<endl ; |
---|
| 443 | report(0)<<"Performance report : Time spent in processing events : "<<CTimer::get("Process events").getCumulatedTime()<<endl ; |
---|
| 444 | report(0)<<"Performance report : Ratio : "<<CTimer::get("Process events").getCumulatedTime()/CTimer::get("XIOS server").getCumulatedTime()*100.<<"%"<<endl ; |
---|
[1205] | 445 | report(100)<<CTimer::getAllCumulatedTime()<<endl ; |
---|
[300] | 446 | } |
---|
[490] | 447 | |
---|
[300] | 448 | void CServer::eventLoop(void) |
---|
| 449 | { |
---|
| 450 | bool stop=false ; |
---|
[490] | 451 | |
---|
[347] | 452 | CTimer::get("XIOS server").resume() ; |
---|
[300] | 453 | while(!stop) |
---|
| 454 | { |
---|
| 455 | if (isRoot) |
---|
| 456 | { |
---|
| 457 | listenContext(); |
---|
[1460] | 458 | listenRootContext(); |
---|
[300] | 459 | if (!finished) listenFinalize() ; |
---|
| 460 | } |
---|
| 461 | else |
---|
| 462 | { |
---|
| 463 | listenRootContext(); |
---|
[1328] | 464 | if (!finished) listenRootFinalize() ; |
---|
[300] | 465 | } |
---|
[490] | 466 | |
---|
[300] | 467 | contextEventLoop() ; |
---|
| 468 | if (finished && contextList.empty()) stop=true ; |
---|
[956] | 469 | eventScheduler->checkEvent() ; |
---|
[300] | 470 | } |
---|
[347] | 471 | CTimer::get("XIOS server").suspend() ; |
---|
[300] | 472 | } |
---|
[490] | 473 | |
---|
[300] | 474 | void CServer::listenFinalize(void) |
---|
| 475 | { |
---|
[1460] | 476 | list<MPI_Comm>::iterator it, itr; |
---|
[300] | 477 | int msg ; |
---|
| 478 | int flag ; |
---|
[490] | 479 | |
---|
[1460] | 480 | for(it=interCommLeft.begin();it!=interCommLeft.end();it++) |
---|
[300] | 481 | { |
---|
| 482 | MPI_Status status ; |
---|
[347] | 483 | traceOff() ; |
---|
[300] | 484 | MPI_Iprobe(0,0,*it,&flag,&status) ; |
---|
[347] | 485 | traceOn() ; |
---|
[300] | 486 | if (flag==true) |
---|
| 487 | { |
---|
| 488 | MPI_Recv(&msg,1,MPI_INT,0,0,*it,&status) ; |
---|
| 489 | info(20)<<" CServer : Receive client finalize"<<endl ; |
---|
[1460] | 490 | // Sending server finalize message to secondary servers (if any) |
---|
| 491 | for(itr=interCommRight.begin();itr!=interCommRight.end();itr++) |
---|
| 492 | { |
---|
| 493 | MPI_Send(&msg,1,MPI_INT,0,0,*itr) ; |
---|
| 494 | } |
---|
[655] | 495 | MPI_Comm_free(&(*it)); |
---|
[1460] | 496 | interCommLeft.erase(it) ; |
---|
[300] | 497 | break ; |
---|
| 498 | } |
---|
| 499 | } |
---|
[490] | 500 | |
---|
[1460] | 501 | if (interCommLeft.empty()) |
---|
[300] | 502 | { |
---|
| 503 | int i,size ; |
---|
| 504 | MPI_Comm_size(intraComm,&size) ; |
---|
| 505 | MPI_Request* requests= new MPI_Request[size-1] ; |
---|
| 506 | MPI_Status* status= new MPI_Status[size-1] ; |
---|
[490] | 507 | |
---|
[300] | 508 | for(int i=1;i<size;i++) MPI_Isend(&msg,1,MPI_INT,i,4,intraComm,&requests[i-1]) ; |
---|
| 509 | MPI_Waitall(size-1,requests,status) ; |
---|
| 510 | |
---|
| 511 | finished=true ; |
---|
| 512 | delete [] requests ; |
---|
| 513 | delete [] status ; |
---|
| 514 | } |
---|
| 515 | } |
---|
[490] | 516 | |
---|
| 517 | |
---|
[300] | 518 | void CServer::listenRootFinalize() |
---|
| 519 | { |
---|
| 520 | int flag ; |
---|
| 521 | MPI_Status status ; |
---|
| 522 | int msg ; |
---|
[490] | 523 | |
---|
[347] | 524 | traceOff() ; |
---|
[300] | 525 | MPI_Iprobe(0,4,intraComm, &flag, &status) ; |
---|
[347] | 526 | traceOn() ; |
---|
[300] | 527 | if (flag==true) |
---|
| 528 | { |
---|
| 529 | MPI_Recv(&msg,1,MPI_INT,0,4,intraComm,&status) ; |
---|
| 530 | finished=true ; |
---|
| 531 | } |
---|
| 532 | } |
---|
[490] | 533 | |
---|
[300] | 534 | void CServer::listenContext(void) |
---|
| 535 | { |
---|
[490] | 536 | |
---|
[300] | 537 | MPI_Status status ; |
---|
| 538 | int flag ; |
---|
[1032] | 539 | static char* buffer ; |
---|
[300] | 540 | static MPI_Request request ; |
---|
| 541 | static bool recept=false ; |
---|
| 542 | int rank ; |
---|
| 543 | int count ; |
---|
[490] | 544 | |
---|
[300] | 545 | if (recept==false) |
---|
| 546 | { |
---|
[347] | 547 | traceOff() ; |
---|
[1328] | 548 | MPI_Iprobe(-2,1,CXios::globalComm, &flag, &status) ; |
---|
[347] | 549 | traceOn() ; |
---|
[490] | 550 | if (flag==true) |
---|
[300] | 551 | { |
---|
[1134] | 552 | #ifdef _usingMPI |
---|
[300] | 553 | rank=status.MPI_SOURCE ; |
---|
[1134] | 554 | #elif _usingEP |
---|
[1328] | 555 | rank=status.ep_src; |
---|
[1134] | 556 | #endif |
---|
[300] | 557 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
---|
| 558 | buffer=new char[count] ; |
---|
[1032] | 559 | MPI_Irecv((void*)buffer,count,MPI_CHAR,rank,1,CXios::globalComm,&request) ; |
---|
[490] | 560 | recept=true ; |
---|
[300] | 561 | } |
---|
| 562 | } |
---|
| 563 | else |
---|
| 564 | { |
---|
[347] | 565 | traceOff() ; |
---|
[300] | 566 | MPI_Test(&request,&flag,&status) ; |
---|
[347] | 567 | traceOn() ; |
---|
[300] | 568 | if (flag==true) |
---|
| 569 | { |
---|
[1134] | 570 | #ifdef _usingMPI |
---|
[300] | 571 | rank=status.MPI_SOURCE ; |
---|
[1134] | 572 | #elif _usingEP |
---|
[1328] | 573 | rank=status.ep_src; |
---|
[1134] | 574 | #endif |
---|
[300] | 575 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
---|
[1032] | 576 | recvContextMessage((void*)buffer,count) ; |
---|
[300] | 577 | delete [] buffer ; |
---|
[490] | 578 | recept=false ; |
---|
[300] | 579 | } |
---|
| 580 | } |
---|
| 581 | } |
---|
[490] | 582 | |
---|
[300] | 583 | void CServer::recvContextMessage(void* buff,int count) |
---|
| 584 | { |
---|
[1460] | 585 | static map<string,contextMessage> recvContextId; |
---|
[300] | 586 | map<string,contextMessage>::iterator it ; |
---|
| 587 | CBufferIn buffer(buff,count) ; |
---|
| 588 | string id ; |
---|
| 589 | int clientLeader ; |
---|
| 590 | int nbMessage ; |
---|
| 591 | |
---|
| 592 | buffer>>id>>nbMessage>>clientLeader ; |
---|
[490] | 593 | |
---|
[300] | 594 | it=recvContextId.find(id) ; |
---|
| 595 | if (it==recvContextId.end()) |
---|
[490] | 596 | { |
---|
[300] | 597 | contextMessage msg={0,0} ; |
---|
| 598 | pair<map<string,contextMessage>::iterator,bool> ret ; |
---|
| 599 | ret=recvContextId.insert(pair<string,contextMessage>(id,msg)) ; |
---|
| 600 | it=ret.first ; |
---|
[490] | 601 | } |
---|
[300] | 602 | it->second.nbRecv+=1 ; |
---|
| 603 | it->second.leaderRank+=clientLeader ; |
---|
[490] | 604 | |
---|
[300] | 605 | if (it->second.nbRecv==nbMessage) |
---|
[490] | 606 | { |
---|
[300] | 607 | int size ; |
---|
| 608 | MPI_Comm_size(intraComm,&size) ; |
---|
[1460] | 609 | // MPI_Request* requests= new MPI_Request[size-1] ; |
---|
| 610 | // MPI_Status* status= new MPI_Status[size-1] ; |
---|
| 611 | MPI_Request* requests= new MPI_Request[size] ; |
---|
| 612 | MPI_Status* status= new MPI_Status[size] ; |
---|
[490] | 613 | |
---|
[1460] | 614 | CMessage msg ; |
---|
| 615 | msg<<id<<it->second.leaderRank; |
---|
| 616 | int messageSize=msg.size() ; |
---|
| 617 | void * sendBuff = new char[messageSize] ; |
---|
| 618 | CBufferOut sendBuffer(sendBuff,messageSize) ; |
---|
| 619 | sendBuffer<<msg ; |
---|
| 620 | |
---|
| 621 | // Include root itself in order not to have a divergence |
---|
| 622 | for(int i=0; i<size; i++) |
---|
[300] | 623 | { |
---|
[1460] | 624 | MPI_Isend(sendBuff,sendBuffer.count(),MPI_CHAR,i,2,intraComm,&requests[i]) ; |
---|
[300] | 625 | } |
---|
| 626 | |
---|
| 627 | recvContextId.erase(it) ; |
---|
| 628 | delete [] requests ; |
---|
| 629 | delete [] status ; |
---|
| 630 | |
---|
| 631 | } |
---|
[490] | 632 | } |
---|
| 633 | |
---|
[300] | 634 | void CServer::listenRootContext(void) |
---|
| 635 | { |
---|
| 636 | MPI_Status status ; |
---|
| 637 | int flag ; |
---|
[1460] | 638 | static std::vector<void*> buffers; |
---|
| 639 | static std::vector<MPI_Request> requests ; |
---|
| 640 | static std::vector<int> counts ; |
---|
| 641 | static std::vector<bool> isEventRegistered ; |
---|
| 642 | static std::vector<bool> isEventQueued ; |
---|
| 643 | MPI_Request request; |
---|
| 644 | |
---|
[300] | 645 | int rank ; |
---|
| 646 | const int root=0 ; |
---|
[1460] | 647 | boost::hash<string> hashString; |
---|
| 648 | size_t hashId = hashString("RegisterContext"); |
---|
[490] | 649 | |
---|
[1460] | 650 | // (1) Receive context id from the root, save it into a buffer |
---|
| 651 | traceOff() ; |
---|
| 652 | MPI_Iprobe(root,2,intraComm, &flag, &status) ; |
---|
| 653 | traceOn() ; |
---|
| 654 | if (flag==true) |
---|
[300] | 655 | { |
---|
[1520] | 656 | int my_count; |
---|
[1460] | 657 | counts.push_back(0); |
---|
| 658 | MPI_Get_count(&status,MPI_CHAR,&(counts.back())) ; |
---|
| 659 | buffers.push_back(new char[counts.back()]) ; |
---|
[1533] | 660 | //requests.push_back(request); |
---|
| 661 | //MPI_Irecv((void*)(buffers.back()),counts.back(),MPI_CHAR,root,2,intraComm,&(requests.back())) ; |
---|
| 662 | MPI_Irecv((void*)(buffers.back()),counts.back(),MPI_CHAR,root,2,intraComm,&request) ; |
---|
[1460] | 663 | requests.push_back(request); |
---|
| 664 | isEventRegistered.push_back(false); |
---|
| 665 | isEventQueued.push_back(false); |
---|
| 666 | nbContexts++; |
---|
[300] | 667 | } |
---|
[1460] | 668 | |
---|
| 669 | for (int ctxNb = 0; ctxNb < nbContexts; ctxNb++ ) |
---|
[300] | 670 | { |
---|
[1460] | 671 | // (2) If context id is received, register an event |
---|
[1533] | 672 | if(!isEventRegistered[ctxNb]) MPI_Test(&requests[ctxNb],&flag,&status) ; |
---|
[1460] | 673 | if (flag==true && !isEventRegistered[ctxNb]) |
---|
[300] | 674 | { |
---|
[1460] | 675 | eventScheduler->registerEvent(ctxNb,hashId); |
---|
| 676 | isEventRegistered[ctxNb] = true; |
---|
[300] | 677 | } |
---|
[1460] | 678 | // (3) If event has been scheduled, call register context |
---|
| 679 | if (eventScheduler->queryEvent(ctxNb,hashId) && !isEventQueued[ctxNb]) |
---|
| 680 | { |
---|
| 681 | registerContext(buffers[ctxNb],counts[ctxNb]) ; |
---|
| 682 | isEventQueued[ctxNb] = true; |
---|
| 683 | delete [] buffers[ctxNb] ; |
---|
| 684 | } |
---|
[300] | 685 | } |
---|
[1460] | 686 | |
---|
[490] | 687 | } |
---|
| 688 | |
---|
[655] | 689 | void CServer::registerContext(void* buff, int count, int leaderRank) |
---|
[300] | 690 | { |
---|
| 691 | string contextId; |
---|
[655] | 692 | CBufferIn buffer(buff, count); |
---|
[1460] | 693 | // buffer >> contextId; |
---|
| 694 | buffer >> contextId>>leaderRank; |
---|
| 695 | CContext* context; |
---|
[300] | 696 | |
---|
[680] | 697 | info(20) << "CServer : Register new Context : " << contextId << endl; |
---|
[490] | 698 | |
---|
[680] | 699 | if (contextList.find(contextId) != contextList.end()) |
---|
| 700 | ERROR("void CServer::registerContext(void* buff, int count, int leaderRank)", |
---|
| 701 | << "Context '" << contextId << "' has already been registred"); |
---|
[490] | 702 | |
---|
[1460] | 703 | context=CContext::create(contextId); |
---|
| 704 | contextList[contextId]=context; |
---|
[490] | 705 | |
---|
[1460] | 706 | // Primary or classical server: create communication channel with a client |
---|
| 707 | // (1) create interComm (with a client) |
---|
| 708 | // (2) initialize client and server (contextClient and contextServer) |
---|
[655] | 709 | MPI_Comm inter; |
---|
[1460] | 710 | if (serverLevel < 2) |
---|
| 711 | { |
---|
| 712 | MPI_Comm contextInterComm; |
---|
| 713 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, leaderRank, 10+leaderRank, &contextInterComm); |
---|
| 714 | MPI_Intercomm_merge(contextInterComm,1,&inter); |
---|
| 715 | MPI_Barrier(inter); |
---|
| 716 | context->initServer(intraComm,contextInterComm); |
---|
| 717 | contextInterComms.push_back(contextInterComm); |
---|
[655] | 718 | |
---|
[1461] | 719 | MPI_Comm_free(&inter); |
---|
[1460] | 720 | } |
---|
| 721 | // Secondary server: create communication channel with a primary server |
---|
| 722 | // (1) duplicate interComm with a primary server |
---|
| 723 | // (2) initialize client and server (contextClient and contextServer) |
---|
| 724 | // Remark: in the case of the secondary server there is no need to create an interComm calling MPI_Intercomm_create, |
---|
| 725 | // because interComm of CContext is defined on the same processes as the interComm of CServer. |
---|
| 726 | // So just duplicate it. |
---|
| 727 | else if (serverLevel == 2) |
---|
| 728 | { |
---|
| 729 | MPI_Comm_dup(interCommLeft.front(), &inter); |
---|
| 730 | contextInterComms.push_back(inter); |
---|
| 731 | context->initServer(intraComm, contextInterComms.back()); |
---|
| 732 | } |
---|
[655] | 733 | |
---|
[1460] | 734 | // Primary server: |
---|
| 735 | // (1) send create context message to secondary servers |
---|
| 736 | // (2) initialize communication channels with secondary servers (create contextClient and contextServer) |
---|
| 737 | if (serverLevel == 1) |
---|
| 738 | { |
---|
| 739 | int i = 0, size; |
---|
| 740 | MPI_Comm_size(intraComm, &size) ; |
---|
| 741 | for (std::list<MPI_Comm>::iterator it = interCommRight.begin(); it != interCommRight.end(); it++, ++i) |
---|
| 742 | { |
---|
| 743 | StdString str = contextId +"_server_" + boost::lexical_cast<string>(i); |
---|
| 744 | CMessage msg; |
---|
| 745 | int messageSize; |
---|
| 746 | msg<<str<<size<<rank_ ; |
---|
| 747 | messageSize = msg.size() ; |
---|
| 748 | buff = new char[messageSize] ; |
---|
| 749 | CBufferOut buffer(buff,messageSize) ; |
---|
| 750 | buffer<<msg ; |
---|
| 751 | MPI_Send(buff, buffer.count(), MPI_CHAR, sndServerGlobalRanks[i], 1, CXios::globalComm) ; |
---|
| 752 | MPI_Comm_dup(*it, &inter); |
---|
| 753 | contextInterComms.push_back(inter); |
---|
| 754 | MPI_Comm_dup(intraComm, &inter); |
---|
| 755 | contextIntraComms.push_back(inter); |
---|
| 756 | context->initClient(contextIntraComms.back(), contextInterComms.back()) ; |
---|
| 757 | delete [] buff ; |
---|
| 758 | } |
---|
| 759 | } |
---|
[490] | 760 | } |
---|
| 761 | |
---|
[1460] | 762 | void CServer::contextEventLoop(bool enableEventsProcessing /*= true*/) |
---|
[300] | 763 | { |
---|
[1460] | 764 | bool isFinalized ; |
---|
[300] | 765 | map<string,CContext*>::iterator it ; |
---|
[1460] | 766 | |
---|
[1328] | 767 | for(it=contextList.begin();it!=contextList.end();it++) |
---|
[300] | 768 | { |
---|
[1460] | 769 | isFinalized=it->second->isFinalized(); |
---|
| 770 | if (isFinalized) |
---|
[300] | 771 | { |
---|
| 772 | contextList.erase(it) ; |
---|
| 773 | break ; |
---|
| 774 | } |
---|
[1460] | 775 | else |
---|
| 776 | it->second->checkBuffersAndListen(enableEventsProcessing); |
---|
[300] | 777 | } |
---|
| 778 | } |
---|
[490] | 779 | |
---|
[1460] | 780 | //! Get rank of the current process in the intraComm |
---|
[490] | 781 | int CServer::getRank() |
---|
| 782 | { |
---|
[1460] | 783 | int rank; |
---|
| 784 | MPI_Comm_rank(intraComm,&rank); |
---|
[490] | 785 | return rank; |
---|
| 786 | } |
---|
| 787 | |
---|
[1460] | 788 | vector<int>& CServer::getSecondaryServerGlobalRanks() |
---|
| 789 | { |
---|
| 790 | return sndServerGlobalRanks; |
---|
| 791 | } |
---|
| 792 | |
---|
[523] | 793 | /*! |
---|
| 794 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
---|
| 795 | * The file name will be suffix+rank+extension. |
---|
| 796 | * |
---|
| 797 | * \param fileName[in] protype file name |
---|
| 798 | * \param ext [in] extension of the file |
---|
| 799 | * \param fb [in/out] the file buffer |
---|
| 800 | */ |
---|
| 801 | void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
---|
| 802 | { |
---|
| 803 | StdStringStream fileNameClient; |
---|
| 804 | int numDigit = 0; |
---|
| 805 | int size = 0; |
---|
[1460] | 806 | int id; |
---|
[523] | 807 | MPI_Comm_size(CXios::globalComm, &size); |
---|
| 808 | while (size) |
---|
| 809 | { |
---|
| 810 | size /= 10; |
---|
| 811 | ++numDigit; |
---|
| 812 | } |
---|
[1460] | 813 | id = rank_; //getRank(); |
---|
[497] | 814 | |
---|
[1460] | 815 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << id << ext; |
---|
[523] | 816 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
---|
| 817 | if (!fb->is_open()) |
---|
| 818 | ERROR("void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
---|
| 819 | << std::endl << "Can not open <" << fileNameClient << "> file to write the server log(s)."); |
---|
| 820 | } |
---|
[490] | 821 | |
---|
[523] | 822 | /*! |
---|
| 823 | * \brief Open a file stream to write the info logs |
---|
| 824 | * Open a file stream with a specific file name suffix+rank |
---|
| 825 | * to write the info logs. |
---|
| 826 | * \param fileName [in] protype file name |
---|
| 827 | */ |
---|
| 828 | void CServer::openInfoStream(const StdString& fileName) |
---|
| 829 | { |
---|
| 830 | std::filebuf* fb = m_infoStream.rdbuf(); |
---|
| 831 | openStream(fileName, ".out", fb); |
---|
[490] | 832 | |
---|
[523] | 833 | info.write2File(fb); |
---|
| 834 | report.write2File(fb); |
---|
| 835 | } |
---|
[490] | 836 | |
---|
[523] | 837 | //! Write the info logs to standard output |
---|
| 838 | void CServer::openInfoStream() |
---|
| 839 | { |
---|
| 840 | info.write2StdOut(); |
---|
| 841 | report.write2StdOut(); |
---|
| 842 | } |
---|
[490] | 843 | |
---|
[523] | 844 | //! Close the info logs file if it opens |
---|
| 845 | void CServer::closeInfoStream() |
---|
| 846 | { |
---|
| 847 | if (m_infoStream.is_open()) m_infoStream.close(); |
---|
| 848 | } |
---|
| 849 | |
---|
| 850 | /*! |
---|
| 851 | * \brief Open a file stream to write the error log |
---|
| 852 | * Open a file stream with a specific file name suffix+rank |
---|
| 853 | * to write the error log. |
---|
| 854 | * \param fileName [in] protype file name |
---|
| 855 | */ |
---|
| 856 | void CServer::openErrorStream(const StdString& fileName) |
---|
| 857 | { |
---|
| 858 | std::filebuf* fb = m_errorStream.rdbuf(); |
---|
| 859 | openStream(fileName, ".err", fb); |
---|
| 860 | |
---|
| 861 | error.write2File(fb); |
---|
| 862 | } |
---|
| 863 | |
---|
| 864 | //! Write the error log to standard error output |
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| 865 | void CServer::openErrorStream() |
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| 866 | { |
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| 867 | error.write2StdErr(); |
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| 868 | } |
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| 869 | |
---|
| 870 | //! Close the error log file if it opens |
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| 871 | void CServer::closeErrorStream() |
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| 872 | { |
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| 873 | if (m_errorStream.is_open()) m_errorStream.close(); |
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| 874 | } |
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[300] | 875 | } |
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