[300] | 1 | #include "xmlioserver_spl.hpp" |
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| 2 | #include "cxios.hpp" |
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[342] | 3 | #include "client.hpp" |
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[300] | 4 | #include <boost/functional/hash.hpp> |
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| 5 | #include "type.hpp" |
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| 6 | #include "context.hpp" |
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| 7 | #include "context_client.hpp" |
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| 8 | #include "oasis_cinterface.hpp" |
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[382] | 9 | #include "mpi.hpp" |
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[347] | 10 | #include "timer.hpp" |
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[400] | 11 | #include "buffer_client.hpp" |
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[300] | 12 | |
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[335] | 13 | namespace xios |
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[300] | 14 | { |
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| 15 | |
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| 16 | MPI_Comm CClient::intraComm ; |
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| 17 | MPI_Comm CClient::interComm ; |
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| 18 | int CClient::serverLeader ; |
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| 19 | bool CClient::is_MPI_Initialized ; |
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| 20 | |
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| 21 | |
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| 22 | void CClient::initialize(const string& codeId,MPI_Comm& localComm,MPI_Comm& returnComm) |
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| 23 | { |
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| 24 | int initialized ; |
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| 25 | MPI_Initialized(&initialized) ; |
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| 26 | if (initialized) is_MPI_Initialized=true ; |
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| 27 | else is_MPI_Initialized=false ; |
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| 28 | |
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| 29 | // don't use OASIS |
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| 30 | if (!CXios::usingOasis) |
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| 31 | { |
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| 32 | // localComm doesn't given |
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| 33 | if (localComm == MPI_COMM_NULL) |
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| 34 | { |
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| 35 | if (!is_MPI_Initialized) |
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| 36 | { |
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| 37 | int argc=0; |
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| 38 | char** argv=NULL; |
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| 39 | MPI_Init(&argc,&argv) ; |
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| 40 | } |
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[359] | 41 | CTimer::get("XIOS").resume() ; |
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| 42 | CTimer::get("XIOS init").resume() ; |
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[300] | 43 | boost::hash<string> hashString ; |
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| 44 | |
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| 45 | unsigned long hashClient=hashString(codeId) ; |
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| 46 | unsigned long hashServer=hashString(CXios::xiosCodeId) ; |
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| 47 | unsigned long* hashAll ; |
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| 48 | int rank ; |
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| 49 | int size ; |
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| 50 | int myColor ; |
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| 51 | int i,c ; |
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| 52 | MPI_Comm newComm ; |
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| 53 | |
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| 54 | MPI_Comm_size(CXios::globalComm,&size) ; |
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| 55 | MPI_Comm_rank(CXios::globalComm,&rank); |
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| 56 | hashAll=new unsigned long[size] ; |
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| 57 | |
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| 58 | MPI_Allgather(&hashClient,1,MPI_LONG,hashAll,1,MPI_LONG,CXios::globalComm) ; |
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| 59 | |
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| 60 | map<unsigned long, int> colors ; |
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| 61 | map<unsigned long, int> leaders ; |
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| 62 | |
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| 63 | for(i=0,c=0;i<size;i++) |
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| 64 | { |
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| 65 | if (colors.find(hashAll[i])==colors.end()) |
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| 66 | { |
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| 67 | colors[hashAll[i]] =c ; |
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| 68 | leaders[hashAll[i]]=i ; |
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| 69 | c++ ; |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | myColor=colors[hashClient] ; |
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| 74 | |
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| 75 | MPI_Comm_split(CXios::globalComm,myColor,rank,&intraComm) ; |
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| 76 | |
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| 77 | if (CXios::usingServer) |
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| 78 | { |
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| 79 | int clientLeader=leaders[hashClient] ; |
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| 80 | serverLeader=leaders[hashServer] ; |
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| 81 | MPI_Intercomm_create(intraComm,0,CXios::globalComm,serverLeader,0,&interComm) ; |
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| 82 | } |
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| 83 | else |
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| 84 | { |
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| 85 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 86 | } |
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| 87 | delete [] hashAll ; |
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| 88 | } |
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| 89 | // localComm argument is given |
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| 90 | else |
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| 91 | { |
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| 92 | if (CXios::usingServer) |
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| 93 | { |
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| 94 | //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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| 95 | } |
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| 96 | else |
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| 97 | { |
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| 98 | MPI_Comm_dup(localComm,&intraComm) ; |
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| 99 | MPI_Comm_dup(intraComm,&interComm) ; |
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| 100 | } |
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| 101 | } |
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| 102 | } |
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| 103 | // using OASIS |
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| 104 | else |
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| 105 | { |
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| 106 | // localComm doesn't given |
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| 107 | if (localComm == MPI_COMM_NULL) |
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| 108 | { |
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| 109 | if (!is_MPI_Initialized) oasis_init(codeId) ; |
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| 110 | oasis_get_localcomm(intraComm) ; |
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| 111 | } |
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| 112 | else MPI_Comm_dup(localComm,&intraComm) ; |
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[359] | 113 | CTimer::get("XIOS").resume() ; |
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| 114 | CTimer::get("XIOS init").resume() ; |
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[300] | 115 | |
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| 116 | if (CXios::usingServer) |
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| 117 | { |
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| 118 | MPI_Status status ; |
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| 119 | int rank ; |
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| 120 | MPI_Comm_rank(intraComm,&rank) ; |
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| 121 | |
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| 122 | oasis_get_intercomm(interComm,CXios::xiosCodeId) ; |
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| 123 | if (rank==0) MPI_Recv(&serverLeader,1, MPI_INT, 0, 0, interComm, &status) ; |
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| 124 | MPI_Bcast(&serverLeader,1,MPI_INT,0,intraComm) ; |
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| 125 | |
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| 126 | } |
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| 127 | else MPI_Comm_dup(intraComm,&interComm) ; |
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| 128 | } |
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| 129 | |
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| 130 | MPI_Comm_dup(intraComm,&returnComm) ; |
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| 131 | } |
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| 132 | |
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| 133 | |
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| 134 | void CClient::registerContext(const string& id,MPI_Comm contextComm) |
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| 135 | { |
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[346] | 136 | CContext::setCurrent(id) ; |
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[347] | 137 | CContext* context=CContext::create(id) ; |
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[300] | 138 | |
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| 139 | if (!CXios::isServer) |
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| 140 | { |
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| 141 | int size,rank,globalRank ; |
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| 142 | size_t message_size ; |
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| 143 | int leaderRank ; |
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| 144 | MPI_Comm contextInterComm ; |
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| 145 | |
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| 146 | MPI_Comm_size(contextComm,&size) ; |
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| 147 | MPI_Comm_rank(contextComm,&rank) ; |
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| 148 | MPI_Comm_rank(CXios::globalComm,&globalRank) ; |
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| 149 | if (rank!=0) globalRank=0 ; |
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| 150 | |
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| 151 | |
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| 152 | CMessage msg ; |
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| 153 | msg<<id<<size<<globalRank ; |
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| 154 | |
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| 155 | int messageSize=msg.size() ; |
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| 156 | void * buff = new char[messageSize] ; |
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| 157 | CBufferOut buffer(buff,messageSize) ; |
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| 158 | buffer<<msg ; |
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| 159 | |
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| 160 | MPI_Send(buff,buffer.count(),MPI_CHAR,serverLeader,1,CXios::globalComm) ; |
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| 161 | delete [] buff ; |
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| 162 | |
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| 163 | MPI_Intercomm_create(contextComm,0,CXios::globalComm,serverLeader,10+globalRank,&contextInterComm) ; |
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| 164 | info(10)<<"Register new Context : "<<id<<endl ; |
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| 165 | |
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| 166 | MPI_Comm inter ; |
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| 167 | MPI_Intercomm_merge(contextInterComm,0,&inter) ; |
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| 168 | MPI_Barrier(inter) ; |
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| 169 | |
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| 170 | context->initClient(contextComm,contextInterComm) ; |
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| 171 | } |
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| 172 | else |
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| 173 | { |
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| 174 | MPI_Comm contextInterComm ; |
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| 175 | MPI_Comm_dup(contextComm,&contextInterComm) ; |
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| 176 | context->initClient(contextComm,contextInterComm) ; |
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| 177 | context->initServer(contextComm,contextInterComm) ; |
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| 178 | } |
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| 179 | } |
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| 180 | |
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| 181 | void CClient::finalize(void) |
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| 182 | { |
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| 183 | int rank ; |
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| 184 | int msg=0 ; |
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[332] | 185 | if (!CXios::isServer) |
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[300] | 186 | { |
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[332] | 187 | MPI_Comm_rank(intraComm,&rank) ; |
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| 188 | if (rank==0) |
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| 189 | { |
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| 190 | MPI_Send(&msg,1,MPI_INT,0,0,interComm) ; |
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| 191 | } |
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[300] | 192 | } |
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| 193 | |
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[361] | 194 | CTimer::get("XIOS finalize").suspend() ; |
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| 195 | CTimer::get("XIOS").suspend() ; |
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| 196 | |
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[300] | 197 | if (!is_MPI_Initialized) |
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| 198 | { |
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| 199 | if (CXios::usingOasis) oasis_finalize(); |
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| 200 | else MPI_Finalize() ; |
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| 201 | } |
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| 202 | info(20) << "Client side context is finalized"<<endl ; |
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[347] | 203 | report(0) <<" Performance report : total time spent for XIOS : "<< CTimer::get("XIOS").getCumulatedTime()<<" s"<<endl ; |
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| 204 | report(0)<< " Performance report : time spent for waiting free buffer : "<< CTimer::get("Blocking time").getCumulatedTime()<<" s"<<endl ; |
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| 205 | report(0)<< " Performance report : Ratio : "<< CTimer::get("Blocking time").getCumulatedTime()/CTimer::get("XIOS").getCumulatedTime()*100.<<" %"<<endl ; |
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| 206 | 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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[400] | 207 | report(0)<< " Memory report : Current buffer_size : "<<CXios::bufferSize<<endl ; |
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| 208 | report(0)<< " Memory report : Minimum buffer size required : "<<maxRequestSize*2<<endl ; |
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| 209 | 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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| 210 | } |
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[300] | 211 | } |
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