[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 "client.hpp" |
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[300] | 5 | #include <boost/functional/hash.hpp> |
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| 6 | #include "type.hpp" |
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| 7 | #include "context.hpp" |
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| 8 | #include "context_client.hpp" |
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| 9 | #include "oasis_cinterface.hpp" |
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[382] | 10 | #include "mpi.hpp" |
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[347] | 11 | #include "timer.hpp" |
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[400] | 12 | #include "buffer_client.hpp" |
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[300] | 13 | |
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[335] | 14 | namespace xios |
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[490] | 15 | { |
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[300] | 16 | |
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| 17 | MPI_Comm CClient::intraComm ; |
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| 18 | MPI_Comm CClient::interComm ; |
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[655] | 19 | std::list<MPI_Comm> CClient::contextInterComms; |
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[300] | 20 | int CClient::serverLeader ; |
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| 21 | bool CClient::is_MPI_Initialized ; |
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[490] | 22 | int CClient::rank = INVALID_RANK; |
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| 23 | StdOFStream CClient::m_infoStream; |
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[523] | 24 | StdOFStream CClient::m_errorStream; |
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[490] | 25 | |
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[300] | 26 | void CClient::initialize(const string& codeId,MPI_Comm& localComm,MPI_Comm& returnComm) |
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| 27 | { |
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| 28 | int initialized ; |
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| 29 | MPI_Initialized(&initialized) ; |
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| 30 | if (initialized) is_MPI_Initialized=true ; |
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| 31 | else is_MPI_Initialized=false ; |
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[490] | 32 | |
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[300] | 33 | // don't use OASIS |
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| 34 | if (!CXios::usingOasis) |
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| 35 | { |
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| 36 | // localComm doesn't given |
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| 37 | if (localComm == MPI_COMM_NULL) |
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| 38 | { |
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[490] | 39 | if (!is_MPI_Initialized) |
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[300] | 40 | { |
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| 41 | int argc=0; |
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| 42 | char** argv=NULL; |
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| 43 | MPI_Init(&argc,&argv) ; |
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| 44 | } |
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[359] | 45 | CTimer::get("XIOS").resume() ; |
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| 46 | CTimer::get("XIOS init").resume() ; |
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[490] | 47 | boost::hash<string> hashString ; |
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| 48 | |
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[300] | 49 | unsigned long hashClient=hashString(codeId) ; |
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| 50 | unsigned long hashServer=hashString(CXios::xiosCodeId) ; |
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| 51 | unsigned long* hashAll ; |
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| 52 | int size ; |
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| 53 | int myColor ; |
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| 54 | int i,c ; |
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| 55 | MPI_Comm newComm ; |
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[490] | 56 | |
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[300] | 57 | MPI_Comm_size(CXios::globalComm,&size) ; |
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| 58 | MPI_Comm_rank(CXios::globalComm,&rank); |
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[490] | 59 | |
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[300] | 60 | hashAll=new unsigned long[size] ; |
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[490] | 61 | |
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[300] | 62 | MPI_Allgather(&hashClient,1,MPI_LONG,hashAll,1,MPI_LONG,CXios::globalComm) ; |
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| 63 | |
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| 64 | map<unsigned long, int> colors ; |
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| 65 | map<unsigned long, int> leaders ; |
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[490] | 66 | |
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[300] | 67 | for(i=0,c=0;i<size;i++) |
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| 68 | { |
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| 69 | if (colors.find(hashAll[i])==colors.end()) |
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| 70 | { |
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| 71 | colors[hashAll[i]] =c ; |
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| 72 | leaders[hashAll[i]]=i ; |
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| 73 | c++ ; |
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| 74 | } |
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| 75 | } |
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[490] | 76 | |
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[491] | 77 | // Verify whether we are on server mode or not |
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| 78 | CXios::setNotUsingServer(); |
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| 79 | for (i=0; i < size; ++i) |
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| 80 | { |
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| 81 | if (hashServer == hashAll[i]) |
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| 82 | { |
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| 83 | CXios::setUsingServer(); |
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| 84 | break; |
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| 85 | } |
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| 86 | } |
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| 87 | |
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[300] | 88 | myColor=colors[hashClient] ; |
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[490] | 89 | |
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[300] | 90 | MPI_Comm_split(CXios::globalComm,myColor,rank,&intraComm) ; |
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| 91 | |
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| 92 | if (CXios::usingServer) |
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[490] | 93 | { |
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[300] | 94 | int clientLeader=leaders[hashClient] ; |
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| 95 | serverLeader=leaders[hashServer] ; |
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[493] | 96 | |
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| 97 | int intraCommSize, intraCommRank ; |
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| 98 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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| 99 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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| 100 | info(50)<<"intercommCreate::client "<<rank<<" intraCommSize : "<<intraCommSize |
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| 101 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< serverLeader<<endl ; |
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[300] | 102 | MPI_Intercomm_create(intraComm,0,CXios::globalComm,serverLeader,0,&interComm) ; |
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| 103 | } |
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| 104 | else |
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| 105 | { |
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| 106 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 107 | } |
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| 108 | delete [] hashAll ; |
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| 109 | } |
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| 110 | // localComm argument is given |
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[490] | 111 | else |
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[300] | 112 | { |
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| 113 | if (CXios::usingServer) |
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[490] | 114 | { |
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[300] | 115 | //ERROR("void CClient::initialize(const string& codeId,MPI_Comm& localComm,MPI_Comm& returnComm)", << " giving a local communictor is not compatible with using server mode") ; |
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| 116 | } |
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| 117 | else |
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| 118 | { |
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| 119 | MPI_Comm_dup(localComm,&intraComm) ; |
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| 120 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 121 | } |
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| 122 | } |
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| 123 | } |
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| 124 | // using OASIS |
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| 125 | else |
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| 126 | { |
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| 127 | // localComm doesn't given |
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| 128 | if (localComm == MPI_COMM_NULL) |
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| 129 | { |
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| 130 | if (!is_MPI_Initialized) oasis_init(codeId) ; |
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[655] | 131 | oasis_get_localcomm(localComm) ; |
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[300] | 132 | } |
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[655] | 133 | MPI_Comm_dup(localComm,&intraComm) ; |
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| 134 | |
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[359] | 135 | CTimer::get("XIOS").resume() ; |
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| 136 | CTimer::get("XIOS init").resume() ; |
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[511] | 137 | |
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| 138 | if (CXios::usingServer) |
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[300] | 139 | { |
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| 140 | MPI_Status status ; |
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[491] | 141 | MPI_Comm_rank(intraComm,&rank) ; |
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[506] | 142 | |
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[300] | 143 | oasis_get_intercomm(interComm,CXios::xiosCodeId) ; |
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| 144 | if (rank==0) MPI_Recv(&serverLeader,1, MPI_INT, 0, 0, interComm, &status) ; |
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| 145 | MPI_Bcast(&serverLeader,1,MPI_INT,0,intraComm) ; |
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[490] | 146 | |
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[300] | 147 | } |
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| 148 | else MPI_Comm_dup(intraComm,&interComm) ; |
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| 149 | } |
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[490] | 150 | |
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[300] | 151 | MPI_Comm_dup(intraComm,&returnComm) ; |
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| 152 | } |
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[490] | 153 | |
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| 154 | |
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[300] | 155 | void CClient::registerContext(const string& id,MPI_Comm contextComm) |
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| 156 | { |
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[346] | 157 | CContext::setCurrent(id) ; |
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[511] | 158 | CContext* context=CContext::create(id); |
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| 159 | StdString idServer(id); |
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| 160 | idServer += "_server"; |
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[490] | 161 | |
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[300] | 162 | if (!CXios::isServer) |
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| 163 | { |
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| 164 | int size,rank,globalRank ; |
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| 165 | size_t message_size ; |
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| 166 | int leaderRank ; |
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| 167 | MPI_Comm contextInterComm ; |
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[490] | 168 | |
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[300] | 169 | MPI_Comm_size(contextComm,&size) ; |
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| 170 | MPI_Comm_rank(contextComm,&rank) ; |
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| 171 | MPI_Comm_rank(CXios::globalComm,&globalRank) ; |
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| 172 | if (rank!=0) globalRank=0 ; |
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[490] | 173 | |
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| 174 | |
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[300] | 175 | CMessage msg ; |
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[511] | 176 | msg<<idServer<<size<<globalRank ; |
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| 177 | // msg<<id<<size<<globalRank ; |
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[300] | 178 | |
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| 179 | int messageSize=msg.size() ; |
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| 180 | void * buff = new char[messageSize] ; |
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| 181 | CBufferOut buffer(buff,messageSize) ; |
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| 182 | buffer<<msg ; |
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[490] | 183 | |
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[300] | 184 | MPI_Send(buff,buffer.count(),MPI_CHAR,serverLeader,1,CXios::globalComm) ; |
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| 185 | delete [] buff ; |
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[490] | 186 | |
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[300] | 187 | MPI_Intercomm_create(contextComm,0,CXios::globalComm,serverLeader,10+globalRank,&contextInterComm) ; |
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| 188 | info(10)<<"Register new Context : "<<id<<endl ; |
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[490] | 189 | |
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[300] | 190 | MPI_Comm inter ; |
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| 191 | MPI_Intercomm_merge(contextInterComm,0,&inter) ; |
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| 192 | MPI_Barrier(inter) ; |
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| 193 | |
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| 194 | context->initClient(contextComm,contextInterComm) ; |
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[655] | 195 | |
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| 196 | contextInterComms.push_back(contextInterComm); |
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| 197 | MPI_Comm_free(&inter); |
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[300] | 198 | } |
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| 199 | else |
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| 200 | { |
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| 201 | MPI_Comm contextInterComm ; |
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| 202 | MPI_Comm_dup(contextComm,&contextInterComm) ; |
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[511] | 203 | CContext* contextServer = CContext::create(idServer); |
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| 204 | |
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| 205 | // Firstly, initialize context on client side |
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| 206 | context->initClient(contextComm,contextInterComm, contextServer); |
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| 207 | |
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| 208 | // Secondly, initialize context on server side |
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[597] | 209 | contextServer->initServer(contextComm,contextInterComm, context); |
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[511] | 210 | |
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| 211 | // Finally, we should return current context to context client |
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| 212 | CContext::setCurrent(id); |
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[655] | 213 | |
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| 214 | contextInterComms.push_back(contextInterComm); |
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[300] | 215 | } |
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| 216 | } |
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[490] | 217 | |
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[300] | 218 | void CClient::finalize(void) |
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| 219 | { |
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| 220 | int rank ; |
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| 221 | int msg=0 ; |
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[697] | 222 | |
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| 223 | MPI_Comm_rank(intraComm,&rank) ; |
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| 224 | |
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[332] | 225 | if (!CXios::isServer) |
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[300] | 226 | { |
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[490] | 227 | MPI_Comm_rank(intraComm,&rank) ; |
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| 228 | if (rank==0) |
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[332] | 229 | { |
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| 230 | MPI_Send(&msg,1,MPI_INT,0,0,interComm) ; |
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| 231 | } |
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[300] | 232 | } |
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[490] | 233 | |
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[655] | 234 | for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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| 235 | MPI_Comm_free(&(*it)); |
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| 236 | MPI_Comm_free(&interComm); |
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| 237 | MPI_Comm_free(&intraComm); |
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[361] | 238 | |
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[655] | 239 | CTimer::get("XIOS finalize").suspend() ; |
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| 240 | CTimer::get("XIOS").suspend() ; |
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| 241 | |
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[300] | 242 | if (!is_MPI_Initialized) |
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| 243 | { |
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| 244 | if (CXios::usingOasis) oasis_finalize(); |
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| 245 | else MPI_Finalize() ; |
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| 246 | } |
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[697] | 247 | |
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[300] | 248 | info(20) << "Client side context is finalized"<<endl ; |
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[490] | 249 | report(0) <<" Performance report : total time spent for XIOS : "<< CTimer::get("XIOS").getCumulatedTime()<<" s"<<endl ; |
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[347] | 250 | report(0)<< " Performance report : time spent for waiting free buffer : "<< CTimer::get("Blocking time").getCumulatedTime()<<" s"<<endl ; |
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| 251 | report(0)<< " Performance report : Ratio : "<< CTimer::get("Blocking time").getCumulatedTime()/CTimer::get("XIOS").getCumulatedTime()*100.<<" %"<<endl ; |
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| 252 | report(0)<< " Performance report : This ratio must be close to zero. Otherwise it may be usefull to increase buffer size or numbers of server"<<endl ; |
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[511] | 253 | // report(0)<< " Memory report : Current buffer_size : "<<CXios::bufferSize<<endl ; |
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[732] | 254 | report(0)<< " Memory report : Minimum buffer size required : " << CClientBuffer::maxRequestSize << " bytes" << endl ; |
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[400] | 255 | report(0)<< " Memory report : increasing it by a factor will increase performance, depending of the volume of data wrote in file at each time step of the file"<<endl ; |
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| 256 | } |
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[490] | 257 | |
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| 258 | int CClient::getRank() |
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| 259 | { |
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| 260 | return rank; |
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| 261 | } |
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| 262 | |
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[523] | 263 | /*! |
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| 264 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
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| 265 | * The file name will be suffix+rank+extension. |
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| 266 | * |
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| 267 | * \param fileName[in] protype file name |
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| 268 | * \param ext [in] extension of the file |
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| 269 | * \param fb [in/out] the file buffer |
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| 270 | */ |
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| 271 | void CClient::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
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| 272 | { |
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| 273 | StdStringStream fileNameClient; |
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| 274 | int numDigit = 0; |
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| 275 | int size = 0; |
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| 276 | MPI_Comm_size(CXios::globalComm, &size); |
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| 277 | while (size) |
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| 278 | { |
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| 279 | size /= 10; |
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| 280 | ++numDigit; |
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| 281 | } |
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[497] | 282 | |
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[523] | 283 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << getRank() << ext; |
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| 284 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
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| 285 | if (!fb->is_open()) |
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| 286 | ERROR("void CClient::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
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| 287 | << std::endl << "Can not open <" << fileNameClient << "> file to write the client log(s)."); |
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| 288 | } |
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[490] | 289 | |
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[523] | 290 | /*! |
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| 291 | * \brief Open a file stream to write the info logs |
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| 292 | * Open a file stream with a specific file name suffix+rank |
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| 293 | * to write the info logs. |
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| 294 | * \param fileName [in] protype file name |
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| 295 | */ |
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| 296 | void CClient::openInfoStream(const StdString& fileName) |
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| 297 | { |
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| 298 | std::filebuf* fb = m_infoStream.rdbuf(); |
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| 299 | openStream(fileName, ".out", fb); |
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[490] | 300 | |
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[523] | 301 | info.write2File(fb); |
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| 302 | report.write2File(fb); |
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| 303 | } |
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[490] | 304 | |
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[523] | 305 | //! Write the info logs to standard output |
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| 306 | void CClient::openInfoStream() |
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| 307 | { |
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| 308 | info.write2StdOut(); |
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| 309 | report.write2StdOut(); |
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| 310 | } |
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[490] | 311 | |
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[523] | 312 | //! Close the info logs file if it opens |
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| 313 | void CClient::closeInfoStream() |
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| 314 | { |
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| 315 | if (m_infoStream.is_open()) m_infoStream.close(); |
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| 316 | } |
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[490] | 317 | |
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[523] | 318 | /*! |
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| 319 | * \brief Open a file stream to write the error log |
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| 320 | * Open a file stream with a specific file name suffix+rank |
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| 321 | * to write the error log. |
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| 322 | * \param fileName [in] protype file name |
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| 323 | */ |
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| 324 | void CClient::openErrorStream(const StdString& fileName) |
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| 325 | { |
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| 326 | std::filebuf* fb = m_errorStream.rdbuf(); |
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| 327 | openStream(fileName, ".err", fb); |
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| 328 | |
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| 329 | error.write2File(fb); |
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| 330 | } |
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| 331 | |
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| 332 | //! Write the error log to standard error output |
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| 333 | void CClient::openErrorStream() |
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| 334 | { |
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| 335 | error.write2StdErr(); |
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| 336 | } |
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| 337 | |
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| 338 | //! Close the error log file if it opens |
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| 339 | void CClient::closeErrorStream() |
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| 340 | { |
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| 341 | if (m_errorStream.is_open()) m_errorStream.close(); |
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| 342 | } |
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[300] | 343 | } |
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