[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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[1328] | 13 | using namespace ep_lib; |
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[300] | 14 | |
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[335] | 15 | namespace xios |
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[490] | 16 | { |
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[300] | 17 | |
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| 18 | MPI_Comm CClient::intraComm ; |
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| 19 | MPI_Comm CClient::interComm ; |
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[1328] | 20 | //std::list<MPI_Comm> CClient::contextInterComms; |
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[1134] | 21 | std::list<MPI_Comm> *CClient::contextInterComms_ptr = 0; |
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[300] | 22 | int CClient::serverLeader ; |
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| 23 | bool CClient::is_MPI_Initialized ; |
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[1460] | 24 | int CClient::rank_ = INVALID_RANK; |
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[490] | 25 | StdOFStream CClient::m_infoStream; |
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[523] | 26 | StdOFStream CClient::m_errorStream; |
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[490] | 27 | |
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[1342] | 28 | StdOFStream CClient::array_infoStream[16]; |
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| 29 | |
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[1460] | 30 | MPI_Comm& CClient::getInterComm(void) { return (interComm); } |
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| 31 | |
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| 32 | ///--------------------------------------------------------------- |
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| 33 | /*! |
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| 34 | * \fn void CClient::initialize(const string& codeId, MPI_Comm& localComm, MPI_Comm& returnComm) |
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| 35 | * Function creates intraComm (CClient::intraComm) for client group with id=codeId and interComm (CClient::interComm) between client and server groups. |
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| 36 | * \param [in] codeId identity of context. |
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| 37 | * \param [in/out] localComm local communicator. |
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| 38 | * \param [in/out] returnComm (intra)communicator of client group. |
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| 39 | */ |
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| 40 | |
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| 41 | void CClient::initialize(const string& codeId, MPI_Comm& localComm, MPI_Comm& returnComm) |
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[300] | 42 | { |
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| 43 | int initialized ; |
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| 44 | MPI_Initialized(&initialized) ; |
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| 45 | if (initialized) is_MPI_Initialized=true ; |
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| 46 | else is_MPI_Initialized=false ; |
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[1460] | 47 | int rank ; |
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[490] | 48 | |
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[300] | 49 | // don't use OASIS |
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| 50 | if (!CXios::usingOasis) |
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| 51 | { |
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[1460] | 52 | // localComm isn't given |
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[300] | 53 | if (localComm == MPI_COMM_NULL) |
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| 54 | { |
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[490] | 55 | if (!is_MPI_Initialized) |
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[300] | 56 | { |
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[1328] | 57 | MPI_Init(NULL, NULL); |
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[300] | 58 | } |
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[359] | 59 | CTimer::get("XIOS").resume() ; |
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[1205] | 60 | CTimer::get("XIOS init/finalize").resume() ; |
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[490] | 61 | boost::hash<string> hashString ; |
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| 62 | |
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[300] | 63 | unsigned long hashClient=hashString(codeId) ; |
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| 64 | unsigned long hashServer=hashString(CXios::xiosCodeId) ; |
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| 65 | unsigned long* hashAll ; |
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| 66 | int size ; |
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| 67 | int myColor ; |
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| 68 | int i,c ; |
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[1328] | 69 | MPI_Comm newComm ; |
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[490] | 70 | |
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[1328] | 71 | MPI_Comm_size(CXios::globalComm,&size) ; |
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[1460] | 72 | MPI_Comm_rank(CXios::globalComm,&rank_); |
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[490] | 73 | |
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[300] | 74 | hashAll=new unsigned long[size] ; |
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[490] | 75 | |
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[300] | 76 | MPI_Allgather(&hashClient,1,MPI_LONG,hashAll,1,MPI_LONG,CXios::globalComm) ; |
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| 77 | |
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| 78 | map<unsigned long, int> colors ; |
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| 79 | map<unsigned long, int> leaders ; |
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[490] | 80 | |
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[300] | 81 | for(i=0,c=0;i<size;i++) |
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| 82 | { |
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| 83 | if (colors.find(hashAll[i])==colors.end()) |
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| 84 | { |
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| 85 | colors[hashAll[i]] =c ; |
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| 86 | leaders[hashAll[i]]=i ; |
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| 87 | c++ ; |
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| 88 | } |
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| 89 | } |
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[490] | 90 | |
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[491] | 91 | // Verify whether we are on server mode or not |
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| 92 | CXios::setNotUsingServer(); |
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| 93 | for (i=0; i < size; ++i) |
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| 94 | { |
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| 95 | if (hashServer == hashAll[i]) |
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| 96 | { |
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| 97 | CXios::setUsingServer(); |
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| 98 | break; |
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| 99 | } |
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| 100 | } |
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| 101 | |
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[1460] | 102 | myColor=colors[hashClient]; |
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| 103 | MPI_Comm_split(CXios::globalComm,myColor,rank_,&intraComm) ; |
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[490] | 104 | |
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[300] | 105 | if (CXios::usingServer) |
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[490] | 106 | { |
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[300] | 107 | int clientLeader=leaders[hashClient] ; |
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| 108 | serverLeader=leaders[hashServer] ; |
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[493] | 109 | int intraCommSize, intraCommRank ; |
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| 110 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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| 111 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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[1347] | 112 | #pragma omp critical (_output) |
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| 113 | { |
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[1460] | 114 | info(50)<<"intercommCreate::client "<<rank_<<" intraCommSize : "<<intraCommSize |
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| 115 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< serverLeader<<endl ; |
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| 116 | } |
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| 117 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, serverLeader, 0, &interComm) ; |
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| 118 | //rank_ = intraCommRank; |
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[300] | 119 | } |
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| 120 | else |
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| 121 | { |
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| 122 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 123 | } |
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| 124 | delete [] hashAll ; |
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| 125 | } |
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| 126 | // localComm argument is given |
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[490] | 127 | else |
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[300] | 128 | { |
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| 129 | if (CXios::usingServer) |
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[490] | 130 | { |
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[300] | 131 | //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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| 132 | } |
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| 133 | else |
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| 134 | { |
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| 135 | MPI_Comm_dup(localComm,&intraComm) ; |
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| 136 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 137 | } |
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| 138 | } |
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| 139 | } |
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| 140 | // using OASIS |
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[1460] | 141 | else |
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[300] | 142 | { |
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[1460] | 143 | // localComm isn't given |
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[300] | 144 | if (localComm == MPI_COMM_NULL) |
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| 145 | { |
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| 146 | if (!is_MPI_Initialized) oasis_init(codeId) ; |
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[655] | 147 | oasis_get_localcomm(localComm) ; |
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[300] | 148 | } |
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[655] | 149 | MPI_Comm_dup(localComm,&intraComm) ; |
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| 150 | |
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[359] | 151 | CTimer::get("XIOS").resume() ; |
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[1205] | 152 | CTimer::get("XIOS init/finalize").resume() ; |
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[511] | 153 | |
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| 154 | if (CXios::usingServer) |
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[300] | 155 | { |
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| 156 | MPI_Status status ; |
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[1460] | 157 | MPI_Comm_rank(intraComm,&rank_) ; |
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[506] | 158 | |
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[300] | 159 | oasis_get_intercomm(interComm,CXios::xiosCodeId) ; |
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[1460] | 160 | if (rank_==0) MPI_Recv(&serverLeader,1, MPI_INT, 0, 0, interComm, &status) ; |
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[300] | 161 | MPI_Bcast(&serverLeader,1,MPI_INT,0,intraComm) ; |
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| 162 | } |
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| 163 | else MPI_Comm_dup(intraComm,&interComm) ; |
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| 164 | } |
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[1460] | 165 | |
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[300] | 166 | MPI_Comm_dup(intraComm,&returnComm) ; |
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| 167 | } |
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[490] | 168 | |
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[1460] | 169 | ///--------------------------------------------------------------- |
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| 170 | /*! |
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| 171 | * \fn void CClient::registerContext(const string& id, MPI_Comm contextComm) |
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| 172 | * \brief Sends a request to create a context to server. Creates client/server contexts. |
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| 173 | * \param [in] id id of context. |
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| 174 | * \param [in] contextComm. |
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| 175 | * Function is only called by client. |
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| 176 | */ |
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| 177 | void CClient::registerContext(const string& id, MPI_Comm contextComm) |
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[300] | 178 | { |
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[346] | 179 | CContext::setCurrent(id) ; |
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[1328] | 180 | CContext* context=CContext::create(id); |
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[511] | 181 | StdString idServer(id); |
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| 182 | idServer += "_server"; |
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[490] | 183 | |
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[1460] | 184 | if (CXios::isServer && !context->hasServer) |
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| 185 | // Attached mode |
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[300] | 186 | { |
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[1460] | 187 | MPI_Comm contextInterComm ; |
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| 188 | MPI_Comm_dup(contextComm,&contextInterComm) ; |
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| 189 | CContext* contextServer = CContext::create(idServer); |
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| 190 | |
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| 191 | // Firstly, initialize context on client side |
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| 192 | context->initClient(contextComm,contextInterComm, contextServer); |
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| 193 | |
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| 194 | // Secondly, initialize context on server side |
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| 195 | contextServer->initServer(contextComm,contextInterComm, context); |
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| 196 | |
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| 197 | // Finally, we should return current context to context client |
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| 198 | CContext::setCurrent(id); |
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| 199 | |
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| 200 | //contextInterComms.push_back(contextInterComm); |
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| 201 | if(contextInterComms_ptr == NULL) contextInterComms_ptr = new std::list<MPI_Comm>; |
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| 202 | contextInterComms_ptr->push_back(contextInterComm); |
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| 203 | } |
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| 204 | else |
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| 205 | { |
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[300] | 206 | int size,rank,globalRank ; |
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[1328] | 207 | size_t message_size ; |
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| 208 | int leaderRank ; |
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[300] | 209 | MPI_Comm contextInterComm ; |
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[490] | 210 | |
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[300] | 211 | MPI_Comm_size(contextComm,&size) ; |
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| 212 | MPI_Comm_rank(contextComm,&rank) ; |
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| 213 | MPI_Comm_rank(CXios::globalComm,&globalRank) ; |
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| 214 | if (rank!=0) globalRank=0 ; |
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[490] | 215 | |
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[300] | 216 | CMessage msg ; |
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[511] | 217 | msg<<idServer<<size<<globalRank ; |
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[1328] | 218 | // msg<<id<<size<<globalRank ; |
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[300] | 219 | |
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| 220 | int messageSize=msg.size() ; |
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[1032] | 221 | char * buff = new char[messageSize] ; |
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| 222 | CBufferOut buffer((void*)buff,messageSize) ; |
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[300] | 223 | buffer<<msg ; |
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[490] | 224 | |
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[1032] | 225 | MPI_Send((void*)buff,buffer.count(),MPI_CHAR,serverLeader,1,CXios::globalComm) ; |
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[1374] | 226 | |
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[300] | 227 | MPI_Intercomm_create(contextComm,0,CXios::globalComm,serverLeader,10+globalRank,&contextInterComm) ; |
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[1342] | 228 | #pragma omp critical (_output) |
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[1460] | 229 | info(10)<<"Register new Context : "<<id<<endl ; |
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[300] | 230 | MPI_Comm inter ; |
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| 231 | MPI_Intercomm_merge(contextInterComm,0,&inter) ; |
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| 232 | MPI_Barrier(inter) ; |
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| 233 | |
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| 234 | context->initClient(contextComm,contextInterComm) ; |
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[655] | 235 | |
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[1328] | 236 | //contextInterComms.push_back(contextInterComm); |
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[1134] | 237 | if(contextInterComms_ptr == NULL) contextInterComms_ptr = new std::list<MPI_Comm>; |
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| 238 | contextInterComms_ptr->push_back(contextInterComm); |
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[1460] | 239 | |
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[655] | 240 | MPI_Comm_free(&inter); |
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[1460] | 241 | delete [] buff ; |
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[511] | 242 | |
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[300] | 243 | } |
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| 244 | } |
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[490] | 245 | |
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[300] | 246 | void CClient::finalize(void) |
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| 247 | { |
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| 248 | int rank ; |
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| 249 | int msg=0 ; |
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[697] | 250 | |
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| 251 | MPI_Comm_rank(intraComm,&rank) ; |
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[1328] | 252 | |
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[332] | 253 | if (!CXios::isServer) |
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[300] | 254 | { |
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[490] | 255 | MPI_Comm_rank(intraComm,&rank) ; |
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| 256 | if (rank==0) |
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[332] | 257 | { |
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| 258 | MPI_Send(&msg,1,MPI_INT,0,0,interComm) ; |
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| 259 | } |
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[300] | 260 | } |
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[490] | 261 | |
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[1328] | 262 | //for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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| 263 | for (std::list<MPI_Comm>::iterator it = contextInterComms_ptr->begin(); it != contextInterComms_ptr->end(); it++) |
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[655] | 264 | MPI_Comm_free(&(*it)); |
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| 265 | MPI_Comm_free(&interComm); |
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| 266 | MPI_Comm_free(&intraComm); |
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[361] | 267 | |
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[1205] | 268 | CTimer::get("XIOS init/finalize").suspend() ; |
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[655] | 269 | CTimer::get("XIOS").suspend() ; |
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| 270 | |
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[300] | 271 | if (!is_MPI_Initialized) |
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| 272 | { |
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[1328] | 273 | //if (CXios::usingOasis) oasis_finalize(); |
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| 274 | //else |
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| 275 | MPI_Finalize() ; |
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[300] | 276 | } |
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[1342] | 277 | #pragma omp critical (_output) |
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| 278 | info(20) << "Client side context is finalized"<<endl ; |
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| 279 | |
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[1460] | 280 | #pragma omp critical (_output) |
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[1342] | 281 | { |
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| 282 | report(0) <<" Performance report : Whole time from XIOS init and finalize: "<< CTimer::get("XIOS init/finalize").getCumulatedTime()<<" s"<<endl ; |
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| 283 | report(0) <<" Performance report : total time spent for XIOS : "<< CTimer::get("XIOS").getCumulatedTime()<<" s"<<endl ; |
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| 284 | report(0)<< " Performance report : time spent for waiting free buffer : "<< CTimer::get("Blocking time").getCumulatedTime()<<" s"<<endl ; |
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| 285 | report(0)<< " Performance report : Ratio : "<< CTimer::get("Blocking time").getCumulatedTime()/CTimer::get("XIOS init/finalize").getCumulatedTime()*100.<<" %"<<endl ; |
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| 286 | 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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[1460] | 287 | // report(0)<< " Memory report : Current buffer_size : "<<CXios::bufferSize<<endl ; |
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[1342] | 288 | report(0)<< " Memory report : Minimum buffer size required : " << CClientBuffer::maxRequestSize << " bytes" << endl ; |
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| 289 | 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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| 290 | report(100)<<CTimer::getAllCumulatedTime()<<endl ; |
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[1460] | 291 | } |
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[400] | 292 | } |
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[490] | 293 | |
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[1460] | 294 | /*! |
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| 295 | * Return global rank without oasis and current rank in model intraComm in case of oasis |
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| 296 | */ |
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[490] | 297 | int CClient::getRank() |
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| 298 | { |
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[1460] | 299 | return rank_; |
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[490] | 300 | } |
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| 301 | |
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[523] | 302 | /*! |
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| 303 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
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| 304 | * The file name will be suffix+rank+extension. |
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| 305 | * |
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| 306 | * \param fileName[in] protype file name |
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| 307 | * \param ext [in] extension of the file |
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| 308 | * \param fb [in/out] the file buffer |
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| 309 | */ |
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| 310 | void CClient::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
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| 311 | { |
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| 312 | StdStringStream fileNameClient; |
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| 313 | int numDigit = 0; |
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| 314 | int size = 0; |
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[1460] | 315 | int rank; |
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[523] | 316 | MPI_Comm_size(CXios::globalComm, &size); |
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| 317 | while (size) |
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| 318 | { |
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| 319 | size /= 10; |
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| 320 | ++numDigit; |
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| 321 | } |
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[497] | 322 | |
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[1460] | 323 | if (CXios::usingOasis) |
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| 324 | { |
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| 325 | MPI_Comm_rank(CXios::globalComm,&rank); |
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| 326 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << rank << ext; |
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| 327 | } |
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| 328 | else |
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| 329 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << getRank() << ext; |
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| 330 | |
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| 331 | |
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[523] | 332 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
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| 333 | if (!fb->is_open()) |
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| 334 | ERROR("void CClient::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
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[1328] | 335 | << std::endl << "Can not open <" << fileNameClient << "> file to write the client log(s)."); |
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[523] | 336 | } |
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[490] | 337 | |
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[523] | 338 | /*! |
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| 339 | * \brief Open a file stream to write the info logs |
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| 340 | * Open a file stream with a specific file name suffix+rank |
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| 341 | * to write the info logs. |
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| 342 | * \param fileName [in] protype file name |
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| 343 | */ |
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| 344 | void CClient::openInfoStream(const StdString& fileName) |
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| 345 | { |
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[1342] | 346 | info_FB[omp_get_thread_num()] = array_infoStream[omp_get_thread_num()].rdbuf(); |
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| 347 | |
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| 348 | openStream(fileName, ".out", info_FB[omp_get_thread_num()]); |
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[490] | 349 | |
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[1342] | 350 | info.write2File(info_FB[omp_get_thread_num()]); |
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| 351 | report.write2File(info_FB[omp_get_thread_num()]); |
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[523] | 352 | } |
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[490] | 353 | |
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[523] | 354 | //! Write the info logs to standard output |
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| 355 | void CClient::openInfoStream() |
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| 356 | { |
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| 357 | info.write2StdOut(); |
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| 358 | report.write2StdOut(); |
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| 359 | } |
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[490] | 360 | |
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[523] | 361 | //! Close the info logs file if it opens |
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| 362 | void CClient::closeInfoStream() |
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| 363 | { |
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| 364 | if (m_infoStream.is_open()) m_infoStream.close(); |
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| 365 | } |
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[490] | 366 | |
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[523] | 367 | /*! |
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| 368 | * \brief Open a file stream to write the error log |
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| 369 | * Open a file stream with a specific file name suffix+rank |
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| 370 | * to write the error log. |
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| 371 | * \param fileName [in] protype file name |
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| 372 | */ |
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| 373 | void CClient::openErrorStream(const StdString& fileName) |
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| 374 | { |
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| 375 | std::filebuf* fb = m_errorStream.rdbuf(); |
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| 376 | openStream(fileName, ".err", fb); |
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| 377 | |
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| 378 | error.write2File(fb); |
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| 379 | } |
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| 380 | |
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| 381 | //! Write the error log to standard error output |
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| 382 | void CClient::openErrorStream() |
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| 383 | { |
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| 384 | error.write2StdErr(); |
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| 385 | } |
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| 386 | |
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| 387 | //! Close the error log file if it opens |
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| 388 | void CClient::closeErrorStream() |
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| 389 | { |
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| 390 | if (m_errorStream.is_open()) m_errorStream.close(); |
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| 391 | } |
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[300] | 392 | } |
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