[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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[1009] | 20 | vector <int> CClient::serverLeader; |
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[300] | 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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[992] | 26 | MPI_Comm& CClient::getInterComm(void) { return (interComm); } |
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| 27 | |
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[983] | 28 | ///--------------------------------------------------------------- |
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| 29 | /*! |
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| 30 | * \fn void CClient::initialize(const string& codeId, MPI_Comm& localComm, MPI_Comm& returnComm) |
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| 31 | * Function creates intraComm (CClient::intraComm) for client group with id=codeId and interComm (CClient::interComm) between client and server groups. |
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| 32 | * \param [in] codeId identity of context. |
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| 33 | * \param [in/out] localComm local communicator. |
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| 34 | * \param [in/out] returnComm (intra)communicator of client group. |
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| 35 | */ |
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| 36 | |
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| 37 | void CClient::initialize(const string& codeId, MPI_Comm& localComm, MPI_Comm& returnComm) |
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[300] | 38 | { |
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| 39 | int initialized ; |
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| 40 | MPI_Initialized(&initialized) ; |
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| 41 | if (initialized) is_MPI_Initialized=true ; |
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| 42 | else is_MPI_Initialized=false ; |
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[490] | 43 | |
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[300] | 44 | // don't use OASIS |
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| 45 | if (!CXios::usingOasis) |
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| 46 | { |
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[983] | 47 | // localComm isn't given |
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[300] | 48 | if (localComm == MPI_COMM_NULL) |
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| 49 | { |
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[490] | 50 | if (!is_MPI_Initialized) |
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[300] | 51 | { |
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[925] | 52 | MPI_Init(NULL, NULL); |
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[300] | 53 | } |
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[359] | 54 | CTimer::get("XIOS").resume() ; |
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| 55 | CTimer::get("XIOS init").resume() ; |
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[490] | 56 | boost::hash<string> hashString ; |
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| 57 | |
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[983] | 58 | unsigned long hashClient = hashString(codeId) ; |
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[1021] | 59 | unsigned long hashServer = hashString(CXios::xiosCodeId); |
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| 60 | // unsigned long hashServer = hashString(CXios::xiosCodeIdPrm); |
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[300] | 61 | unsigned long* hashAll ; |
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| 62 | int size ; |
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| 63 | int myColor ; |
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| 64 | int i,c ; |
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| 65 | MPI_Comm newComm ; |
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[490] | 66 | |
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[300] | 67 | MPI_Comm_size(CXios::globalComm,&size) ; |
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| 68 | MPI_Comm_rank(CXios::globalComm,&rank); |
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[490] | 69 | |
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[300] | 70 | hashAll=new unsigned long[size] ; |
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[490] | 71 | |
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[983] | 72 | MPI_Allgather(&hashClient, 1, MPI_LONG, hashAll, 1, MPI_LONG, CXios::globalComm) ; |
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[300] | 73 | |
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| 74 | map<unsigned long, int> colors ; |
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| 75 | map<unsigned long, int> leaders ; |
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[490] | 76 | |
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[300] | 77 | for(i=0,c=0;i<size;i++) |
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| 78 | { |
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| 79 | if (colors.find(hashAll[i])==colors.end()) |
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| 80 | { |
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| 81 | colors[hashAll[i]] =c ; |
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| 82 | leaders[hashAll[i]]=i ; |
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| 83 | c++ ; |
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| 84 | } |
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| 85 | } |
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[490] | 86 | |
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[491] | 87 | // Verify whether we are on server mode or not |
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| 88 | CXios::setNotUsingServer(); |
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| 89 | for (i=0; i < size; ++i) |
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| 90 | { |
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[1021] | 91 | if (hashAll[i] == hashString(CXios::xiosCodeId)) |
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| 92 | // || (hashAll[i] == hashString(CXios::xiosCodeIdPrm)) |
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| 93 | // || (hashAll[i] == hashString(CXios::xiosCodeIdSnd))) |
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[491] | 94 | { |
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| 95 | CXios::setUsingServer(); |
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| 96 | break; |
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| 97 | } |
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| 98 | } |
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| 99 | |
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[300] | 100 | myColor=colors[hashClient] ; |
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| 101 | MPI_Comm_split(CXios::globalComm,myColor,rank,&intraComm) ; |
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| 102 | |
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| 103 | if (CXios::usingServer) |
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[490] | 104 | { |
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[300] | 105 | int clientLeader=leaders[hashClient] ; |
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[1009] | 106 | serverLeader.push_back(leaders[hashServer]) ; |
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[493] | 107 | int intraCommSize, intraCommRank ; |
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| 108 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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| 109 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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| 110 | info(50)<<"intercommCreate::client "<<rank<<" intraCommSize : "<<intraCommSize |
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[1009] | 111 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< serverLeader.back()<<endl ; |
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| 112 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, serverLeader.back(), 0, &interComm) ; |
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[300] | 113 | } |
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| 114 | else |
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| 115 | { |
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| 116 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 117 | } |
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| 118 | delete [] hashAll ; |
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| 119 | } |
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| 120 | // localComm argument is given |
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[490] | 121 | else |
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[300] | 122 | { |
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| 123 | if (CXios::usingServer) |
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[490] | 124 | { |
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[300] | 125 | //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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| 126 | } |
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| 127 | else |
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| 128 | { |
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| 129 | MPI_Comm_dup(localComm,&intraComm) ; |
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| 130 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 131 | } |
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| 132 | } |
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| 133 | } |
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| 134 | // using OASIS |
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| 135 | else |
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| 136 | { |
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[983] | 137 | // localComm isn't given |
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[300] | 138 | if (localComm == MPI_COMM_NULL) |
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| 139 | { |
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| 140 | if (!is_MPI_Initialized) oasis_init(codeId) ; |
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[655] | 141 | oasis_get_localcomm(localComm) ; |
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[300] | 142 | } |
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[655] | 143 | MPI_Comm_dup(localComm,&intraComm) ; |
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| 144 | |
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[359] | 145 | CTimer::get("XIOS").resume() ; |
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| 146 | CTimer::get("XIOS init").resume() ; |
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[511] | 147 | |
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| 148 | if (CXios::usingServer) |
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[300] | 149 | { |
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| 150 | MPI_Status status ; |
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[491] | 151 | MPI_Comm_rank(intraComm,&rank) ; |
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[506] | 152 | |
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[300] | 153 | oasis_get_intercomm(interComm,CXios::xiosCodeId) ; |
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| 154 | if (rank==0) MPI_Recv(&serverLeader,1, MPI_INT, 0, 0, interComm, &status) ; |
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| 155 | MPI_Bcast(&serverLeader,1,MPI_INT,0,intraComm) ; |
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[490] | 156 | |
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[300] | 157 | } |
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| 158 | else MPI_Comm_dup(intraComm,&interComm) ; |
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| 159 | } |
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[490] | 160 | |
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[300] | 161 | MPI_Comm_dup(intraComm,&returnComm) ; |
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| 162 | } |
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[490] | 163 | |
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[983] | 164 | ///--------------------------------------------------------------- |
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| 165 | /*! |
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| 166 | * \fn void CClient::registerContext(const string& id, MPI_Comm contextComm) |
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[1021] | 167 | * \brief Sends a request to create a context to server. Creates client/server contexts. |
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[983] | 168 | * \param [in] id id of context. |
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| 169 | * \param [in] contextComm. |
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[1021] | 170 | * Function is only called by client. |
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[983] | 171 | */ |
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| 172 | void CClient::registerContext(const string& id, MPI_Comm contextComm) |
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[300] | 173 | { |
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[346] | 174 | CContext::setCurrent(id) ; |
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[511] | 175 | CContext* context=CContext::create(id); |
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| 176 | StdString idServer(id); |
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| 177 | idServer += "_server"; |
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[490] | 178 | |
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[983] | 179 | if (CXios::isServer && !context->hasServer) |
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| 180 | // Attached mode |
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[300] | 181 | { |
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[983] | 182 | MPI_Comm contextInterComm ; |
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| 183 | MPI_Comm_dup(contextComm,&contextInterComm) ; |
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| 184 | CContext* contextServer = CContext::create(idServer); |
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| 185 | |
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| 186 | // Firstly, initialize context on client side |
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| 187 | context->initClient(contextComm,contextInterComm, contextServer); |
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| 188 | |
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| 189 | // Secondly, initialize context on server side |
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| 190 | contextServer->initServer(contextComm,contextInterComm, context); |
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| 191 | |
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| 192 | // Finally, we should return current context to context client |
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| 193 | CContext::setCurrent(id); |
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| 194 | |
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| 195 | contextInterComms.push_back(contextInterComm); |
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| 196 | } |
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| 197 | else |
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| 198 | { |
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[300] | 199 | int size,rank,globalRank ; |
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| 200 | size_t message_size ; |
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| 201 | int leaderRank ; |
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| 202 | MPI_Comm contextInterComm ; |
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[490] | 203 | |
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[300] | 204 | MPI_Comm_size(contextComm,&size) ; |
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| 205 | MPI_Comm_rank(contextComm,&rank) ; |
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| 206 | MPI_Comm_rank(CXios::globalComm,&globalRank) ; |
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| 207 | if (rank!=0) globalRank=0 ; |
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[490] | 208 | |
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[300] | 209 | CMessage msg ; |
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[511] | 210 | msg<<idServer<<size<<globalRank ; |
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| 211 | // msg<<id<<size<<globalRank ; |
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[300] | 212 | |
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| 213 | int messageSize=msg.size() ; |
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| 214 | void * buff = new char[messageSize] ; |
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| 215 | CBufferOut buffer(buff,messageSize) ; |
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| 216 | buffer<<msg ; |
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[490] | 217 | |
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[1009] | 218 | for (int i = 0; i < serverLeader.size(); ++i) |
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| 219 | { |
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| 220 | MPI_Send(buff, buffer.count(), MPI_CHAR, serverLeader[i], 1, CXios::globalComm) ; |
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| 221 | MPI_Intercomm_create(contextComm, 0, CXios::globalComm, serverLeader[i], 10+globalRank, &contextInterComm) ; |
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| 222 | info(10)<<"Register new Context : "<<id<<endl ; |
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| 223 | MPI_Comm inter ; |
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| 224 | MPI_Intercomm_merge(contextInterComm,0,&inter) ; |
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| 225 | MPI_Barrier(inter) ; |
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[490] | 226 | |
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[1009] | 227 | context->initClient(contextComm,contextInterComm) ; |
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[490] | 228 | |
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[1009] | 229 | contextInterComms.push_back(contextInterComm); |
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| 230 | MPI_Comm_free(&inter); |
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| 231 | } |
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| 232 | delete [] buff ; |
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[300] | 233 | |
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| 234 | } |
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| 235 | } |
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[490] | 236 | |
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[1021] | 237 | ///--------------------------------------------------------------- |
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| 238 | /*! |
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| 239 | * \fn void CClient::registerContextByClienOfServer(const string& id, MPI_Comm contextComm) |
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| 240 | * \brief Sends a request to create contexts on secondary servers. Creates clientPrimServer/serverPrimServer contexts. |
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| 241 | * \param [in] id id of context. |
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| 242 | * \param [in] contextComm. |
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| 243 | * Function is called by primary server. |
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| 244 | * The only difference with CClient::registerContext() is naming of contexts on servers (appearing of pool id at the end). |
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| 245 | */ |
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[1054] | 246 | // void CClient::registerContextByClientOfServer(const string& id, MPI_Comm contextComm) |
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| 247 | // { |
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| 248 | // CContext::setCurrent(id) ; |
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| 249 | // CContext* context=CContext::create(id); |
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| 250 | // StdString idServer(id); |
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| 251 | // idServer += "_server_"; |
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| 252 | // |
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| 253 | // int size,rank,globalRank ; |
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| 254 | // size_t message_size ; |
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| 255 | // int leaderRank ; |
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| 256 | // MPI_Comm contextInterComm ; |
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| 257 | // |
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| 258 | // MPI_Comm_size(contextComm,&size) ; |
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| 259 | // MPI_Comm_rank(contextComm,&rank) ; |
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| 260 | // MPI_Comm_rank(CXios::globalComm,&globalRank) ; |
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| 261 | // if (rank!=0) globalRank=0 ; |
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| 262 | // |
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| 263 | // CMessage msg ; |
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| 264 | // |
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| 265 | // int messageSize ; |
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| 266 | // void * buff ; |
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| 267 | // |
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| 268 | // for (int i = 0; i < serverLeader.size(); ++i) |
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| 269 | // { |
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| 270 | // StdString str = idServer + boost::lexical_cast<string>(i); |
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| 271 | // msg<<str<<size<<globalRank ; |
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| 272 | // messageSize = msg.size() ; |
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| 273 | // buff = new char[messageSize] ; |
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| 274 | // CBufferOut buffer(buff,messageSize) ; |
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| 275 | // buffer<<msg ; |
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| 276 | // |
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| 277 | // MPI_Send(buff, buffer.count(), MPI_CHAR, serverLeader[i], 1, CXios::globalComm) ; |
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| 278 | // MPI_Intercomm_create(contextComm, 0, CXios::globalComm, serverLeader[i], 10+globalRank, &contextInterComm) ; |
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| 279 | // info(10)<<"Register new Context : "<<id<<endl ; |
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| 280 | // MPI_Comm inter ; |
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| 281 | // MPI_Intercomm_merge(contextInterComm,0,&inter) ; |
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| 282 | // MPI_Barrier(inter) ; |
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| 283 | // |
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| 284 | // context->initClient(contextComm,contextInterComm) ; |
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| 285 | // |
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| 286 | //// contextInterComms.push_back(contextInterComm); |
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| 287 | // MPI_Comm_free(&inter); |
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| 288 | // delete [] buff ; |
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| 289 | // } |
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| 290 | // } |
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[1009] | 291 | |
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[300] | 292 | void CClient::finalize(void) |
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| 293 | { |
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| 294 | int rank ; |
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| 295 | int msg=0 ; |
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[697] | 296 | |
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| 297 | MPI_Comm_rank(intraComm,&rank) ; |
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| 298 | |
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[992] | 299 | if (!CXios::isServer) |
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[300] | 300 | { |
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[490] | 301 | MPI_Comm_rank(intraComm,&rank) ; |
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| 302 | if (rank==0) |
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[332] | 303 | { |
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| 304 | MPI_Send(&msg,1,MPI_INT,0,0,interComm) ; |
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| 305 | } |
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[300] | 306 | } |
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[490] | 307 | |
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[655] | 308 | for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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| 309 | MPI_Comm_free(&(*it)); |
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| 310 | MPI_Comm_free(&interComm); |
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| 311 | MPI_Comm_free(&intraComm); |
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[361] | 312 | |
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[655] | 313 | CTimer::get("XIOS finalize").suspend() ; |
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| 314 | CTimer::get("XIOS").suspend() ; |
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| 315 | |
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[300] | 316 | if (!is_MPI_Initialized) |
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| 317 | { |
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| 318 | if (CXios::usingOasis) oasis_finalize(); |
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| 319 | else MPI_Finalize() ; |
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| 320 | } |
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[697] | 321 | |
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[300] | 322 | info(20) << "Client side context is finalized"<<endl ; |
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[490] | 323 | report(0) <<" Performance report : total time spent for XIOS : "<< CTimer::get("XIOS").getCumulatedTime()<<" s"<<endl ; |
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[347] | 324 | report(0)<< " Performance report : time spent for waiting free buffer : "<< CTimer::get("Blocking time").getCumulatedTime()<<" s"<<endl ; |
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| 325 | report(0)<< " Performance report : Ratio : "<< CTimer::get("Blocking time").getCumulatedTime()/CTimer::get("XIOS").getCumulatedTime()*100.<<" %"<<endl ; |
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| 326 | 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] | 327 | // report(0)<< " Memory report : Current buffer_size : "<<CXios::bufferSize<<endl ; |
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[732] | 328 | report(0)<< " Memory report : Minimum buffer size required : " << CClientBuffer::maxRequestSize << " bytes" << endl ; |
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[400] | 329 | 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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[983] | 330 | |
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[400] | 331 | } |
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[490] | 332 | |
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[992] | 333 | |
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[490] | 334 | int CClient::getRank() |
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| 335 | { |
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| 336 | return rank; |
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| 337 | } |
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| 338 | |
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[523] | 339 | /*! |
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| 340 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
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| 341 | * The file name will be suffix+rank+extension. |
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| 342 | * |
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| 343 | * \param fileName[in] protype file name |
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| 344 | * \param ext [in] extension of the file |
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| 345 | * \param fb [in/out] the file buffer |
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| 346 | */ |
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| 347 | void CClient::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
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| 348 | { |
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| 349 | StdStringStream fileNameClient; |
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| 350 | int numDigit = 0; |
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| 351 | int size = 0; |
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| 352 | MPI_Comm_size(CXios::globalComm, &size); |
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| 353 | while (size) |
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| 354 | { |
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| 355 | size /= 10; |
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| 356 | ++numDigit; |
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| 357 | } |
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[497] | 358 | |
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[523] | 359 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << getRank() << ext; |
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| 360 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
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| 361 | if (!fb->is_open()) |
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| 362 | ERROR("void CClient::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
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| 363 | << std::endl << "Can not open <" << fileNameClient << "> file to write the client log(s)."); |
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| 364 | } |
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[490] | 365 | |
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[523] | 366 | /*! |
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| 367 | * \brief Open a file stream to write the info logs |
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| 368 | * Open a file stream with a specific file name suffix+rank |
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| 369 | * to write the info logs. |
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| 370 | * \param fileName [in] protype file name |
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| 371 | */ |
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| 372 | void CClient::openInfoStream(const StdString& fileName) |
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| 373 | { |
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| 374 | std::filebuf* fb = m_infoStream.rdbuf(); |
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| 375 | openStream(fileName, ".out", fb); |
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[490] | 376 | |
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[523] | 377 | info.write2File(fb); |
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| 378 | report.write2File(fb); |
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| 379 | } |
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[490] | 380 | |
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[523] | 381 | //! Write the info logs to standard output |
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| 382 | void CClient::openInfoStream() |
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| 383 | { |
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| 384 | info.write2StdOut(); |
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| 385 | report.write2StdOut(); |
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| 386 | } |
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[490] | 387 | |
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[523] | 388 | //! Close the info logs file if it opens |
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| 389 | void CClient::closeInfoStream() |
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| 390 | { |
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| 391 | if (m_infoStream.is_open()) m_infoStream.close(); |
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| 392 | } |
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[490] | 393 | |
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[523] | 394 | /*! |
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| 395 | * \brief Open a file stream to write the error log |
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| 396 | * Open a file stream with a specific file name suffix+rank |
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| 397 | * to write the error log. |
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| 398 | * \param fileName [in] protype file name |
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| 399 | */ |
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| 400 | void CClient::openErrorStream(const StdString& fileName) |
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| 401 | { |
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| 402 | std::filebuf* fb = m_errorStream.rdbuf(); |
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| 403 | openStream(fileName, ".err", fb); |
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| 404 | |
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| 405 | error.write2File(fb); |
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| 406 | } |
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| 407 | |
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| 408 | //! Write the error log to standard error output |
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| 409 | void CClient::openErrorStream() |
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| 410 | { |
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| 411 | error.write2StdErr(); |
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| 412 | } |
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| 413 | |
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| 414 | //! Close the error log file if it opens |
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| 415 | void CClient::closeErrorStream() |
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| 416 | { |
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| 417 | if (m_errorStream.is_open()) m_errorStream.close(); |
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| 418 | } |
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[300] | 419 | } |
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