[267] | 1 | /* ************************************************************************** * |
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| 2 | * Copyright © IPSL/LSCE, XMLIOServer, Avril 2010 - Octobre 2011 * |
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| 3 | * ************************************************************************** */ |
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[152] | 4 | |
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[267] | 5 | #ifndef __MPI_INTERFACE_HPP__ |
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| 6 | #define __MPI_INTERFACE_HPP__ |
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| 7 | |
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| 8 | /** |
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| 9 | * \file mpi_interface.hpp |
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| 10 | * \brief Gestion des communications MPI via une surcouche interne (entête). |
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| 11 | * \author Hervé Ozdoba |
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| 12 | * \version 0.4 |
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| 13 | * \date 28 Juin 2011 |
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| 14 | */ |
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| 15 | |
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| 16 | #ifndef __XIOS_NO_EXTERN |
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| 17 | |
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| 18 | // M(essage) P(assing) I(nterface) headers |
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[152] | 19 | #include <mpi.h> |
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| 20 | |
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[267] | 21 | // C++ standard headers |
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| 22 | #include <vector> |
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| 23 | |
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| 24 | #endif //__XIOS_NO_EXTERN |
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| 25 | |
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| 26 | // XMLIOServer headers |
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[152] | 27 | #include "xmlioserver_spl.hpp" |
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| 28 | #include "buffer.hpp" |
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| 29 | #include "circular_buffer.hpp" |
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| 30 | #include "linear_buffer.hpp" |
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| 31 | |
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[267] | 32 | // ////////////////////////////// Déclarations ///////////////////////////// // |
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| 33 | |
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[152] | 34 | namespace xmlioserver |
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| 35 | { |
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[267] | 36 | /// \brief Espace de nommage pour les communications via la bibliothÚque MPI. |
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[152] | 37 | namespace comm |
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| 38 | { |
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[267] | 39 | typedef MPI_Fint MPIComm; /*!< \brief Identifiant de communicateur MPI (Fortran). */ |
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| 40 | typedef MPI_Fint MPIGroup; /*!< \brief Identifiant de groupe MPI (Fortran). */ |
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| 41 | typedef MPI_Fint MPIRequest; /*!< \brief Identifiant de requête MPI (Fortran). */ |
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| 42 | typedef MPI_Fint *MPIStatus; /*!< \brief Identifiant de statut MPI (Fortran). */ |
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| 43 | typedef MPI_Fint MPIDataType; /*!< \brief Identifiant de type de données MPI (Fortran). */ |
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| 44 | |
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| 45 | /** |
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| 46 | * \class CMPIManager |
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| 47 | * \brief Surcouche interne de la biblià othÚque M(essage) P(assing) I(nterface). |
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| 48 | */ |
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[152] | 49 | class CMPIManager |
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| 50 | { |
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[267] | 51 | public : // Initialisation & Finalisation |
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| 52 | |
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[152] | 53 | static void Initialise(int * argc, char *** argv); |
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| 54 | static void Finalize(void); |
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| 55 | |
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[267] | 56 | public : // Communicateurs |
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| 57 | |
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| 58 | |
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| 59 | static inline int GetCommRank(MPIComm _comm) |
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| 60 | { return (CMPIManager::GetCommRank(MPI_Comm_f2c(_comm))); } |
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| 61 | |
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| 62 | static inline int GetCommSize(MPIComm _comm) |
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| 63 | { return (CMPIManager::GetCommSize(MPI_Comm_f2c(_comm))); } |
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| 64 | |
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| 65 | static inline MPIComm GetCommWorld(void) |
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| 66 | { return (MPI_Comm_c2f(MPI_COMM_WORLD)); } |
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| 67 | |
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| 68 | static inline MPIComm CreateComm(MPI_Group _group, MPIComm _pcomm = CMPIManager::GetCommWorld()) |
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| 69 | { return (MPI_Comm_c2f(CMPIManager::CreateComm( _group, MPI_Comm_f2c(_pcomm)))); } |
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| 70 | |
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| 71 | static int GetCommRank(MPI_Comm _comm = MPI_COMM_WORLD); |
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| 72 | static int GetCommSize(MPI_Comm _comm = MPI_COMM_WORLD); |
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| 73 | |
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| 74 | static MPI_Comm CreateComm(MPI_Group _group, MPI_Comm _pcomm); |
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[152] | 75 | |
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[267] | 76 | public : // Autre |
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| 77 | |
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| 78 | static void Barrier(MPI_Comm _comm = MPI_COMM_WORLD); |
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| 79 | |
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| 80 | static inline bool DispatchClient(bool _is_server, |
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| 81 | MPIComm & _comm_client, |
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| 82 | MPIComm & _comm_client_server, |
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| 83 | MPIComm & _comm_server, |
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| 84 | MPIComm _comm_parent = CMPIManager::GetCommWorld()) |
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| 85 | { |
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| 86 | MPI_Comm comm_client = MPI_Comm_f2c(_comm_client); |
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| 87 | MPI_Comm comm_client_server = MPI_Comm_f2c(_comm_client_server); |
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| 88 | MPI_Comm comm_server = MPI_Comm_f2c(_comm_server); |
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| 89 | MPI_Comm comm_parent = MPI_Comm_f2c(_comm_parent); |
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| 90 | bool ret = CMPIManager::DispatchClient(_is_server, comm_client, comm_client_server, comm_server, comm_parent); |
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| 91 | _comm_client = MPI_Comm_c2f(comm_client); |
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| 92 | _comm_client_server = MPI_Comm_c2f(comm_client_server); |
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| 93 | _comm_server = MPI_Comm_c2f(comm_server); |
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| 94 | return (ret); |
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| 95 | } |
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| 96 | |
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| 97 | |
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| 98 | static bool DispatchClient(bool _is_server, |
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| 99 | MPI_Comm & _comm_client, |
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| 100 | MPI_Comm & _comm_client_server, |
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| 101 | MPI_Comm & _comm_server, |
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| 102 | MPI_Comm _comm_parent = MPI_COMM_WORLD); |
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[152] | 103 | |
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[267] | 104 | public : // Groupes |
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| 105 | |
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| 106 | static MPI_Group GetGroupWorld(void); |
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| 107 | static MPI_Group CreateSubGroup(MPI_Group _pgroup, const std::vector<int> & _ranks); |
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| 108 | static MPI_Group CreateSubGroup(MPI_Group _pgroup, int _min_rank, int _max_rank, int _intval = 1); |
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[254] | 109 | |
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[267] | 110 | public : // Tests |
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| 111 | |
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| 112 | static inline bool IsMaster(MPIComm _comm) |
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| 113 | { return (CMPIManager::IsMaster(MPI_Comm_f2c(_comm))); } |
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| 114 | |
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| 115 | static inline bool IsRank(int _rank, MPIComm _comm) |
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| 116 | { return (CMPIManager::IsRank(_rank, MPI_Comm_f2c(_comm))); } |
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| 117 | |
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| 118 | static bool IsMaster(MPI_Comm _comm = MPI_COMM_WORLD); |
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| 119 | static bool IsRank(int _rank, MPI_Comm _comm = MPI_COMM_WORLD); |
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[152] | 120 | |
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[267] | 121 | public : // Communication simple |
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| 122 | |
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| 123 | static void Send (MPI_Comm _comm, int _dest_rank, char * _data, |
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| 124 | std::size_t _size, MPI_Request & _request); |
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| 125 | static void Wait (MPI_Request & _request); |
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| 126 | static bool Test (MPI_Request & _request); |
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[152] | 127 | |
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| 128 | |
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[267] | 129 | static inline bool HasReceivedData(MPIComm _comm, int _src_rank) |
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| 130 | { return (CMPIManager::HasReceivedData(MPI_Comm_f2c(_comm), _src_rank)); } |
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| 131 | |
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| 132 | static inline std::size_t GetReceivedDataSize(MPIComm _comm, int _src_rank) |
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| 133 | { return (CMPIManager::GetReceivedDataSize(MPI_Comm_f2c(_comm), _src_rank)); } |
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| 134 | |
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| 135 | |
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| 136 | |
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| 137 | static bool HasReceivedData(MPI_Comm _comm, int _src_rank); |
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| 138 | |
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| 139 | static std::size_t GetReceivedDataSize(MPI_Comm _comm, int _src_rank); |
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| 140 | static void Receive(MPI_Comm _comm, int _src_rank, char * _data); |
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| 141 | |
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| 142 | static void AllGather(int _indata, std::vector<int> & _outdata, |
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| 143 | MPI_Comm _comm = MPI_COMM_WORLD); |
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[254] | 144 | |
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[267] | 145 | static void AllGather(const std::vector<int> & _indata, |
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| 146 | std::vector<int> & _outdata, |
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| 147 | MPI_Comm _comm = MPI_COMM_WORLD); |
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[254] | 148 | |
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[152] | 149 | |
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[267] | 150 | public : // Communication 'complexe' |
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| 151 | |
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| 152 | static inline void SendLinearBuffer(MPIComm _comm, int _dest_rank, CLinearBuffer & _lbuffer, MPI_Request & _request) |
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| 153 | { CMPIManager::SendLinearBuffer(MPI_Comm_f2c(_comm), _dest_rank, _lbuffer, _request); } |
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| 154 | |
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| 155 | static inline void ReceiveLinearBuffer(MPIComm _comm, int _src_rank, CLinearBuffer & _lbuffer) |
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| 156 | { CMPIManager::ReceiveLinearBuffer(MPI_Comm_f2c(_comm), _src_rank, _lbuffer); } |
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| 157 | |
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| 158 | static inline boost::shared_ptr<CLinearBuffer> ReceiveLinearBuffer(MPIComm _comm, int _src_rank) |
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| 159 | { return (CMPIManager::ReceiveLinearBuffer(MPI_Comm_f2c(_comm), _src_rank)); } |
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| 160 | |
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| 161 | static inline void ReceiveCircularBuffer(MPIComm _comm, int _src_rank, CCircularBuffer & _cbuffer) |
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| 162 | { CMPIManager::ReceiveCircularBuffer(MPI_Comm_f2c(_comm), _src_rank, _cbuffer); } |
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| 163 | |
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| 164 | |
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| 165 | static void SendLinearBuffer(MPI_Comm _comm, int _dest_rank, CLinearBuffer & _lbuffer, MPI_Request & _request); |
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| 166 | static void ReceiveLinearBuffer(MPI_Comm _comm, int _src_rank, CLinearBuffer & _lbuffer); |
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| 167 | static boost::shared_ptr<CLinearBuffer> ReceiveLinearBuffer(MPI_Comm _comm, int _src_rank); |
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| 168 | static void ReceiveCircularBuffer(MPI_Comm _comm, int _src_rank, CCircularBuffer & _cbuffer); |
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| 169 | |
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| 170 | |
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[152] | 171 | |
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[267] | 172 | public : // Mémoire (non fonctionnel ....) |
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| 173 | |
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| 174 | static void AllocMemory(void * _data, std::size_t _size); |
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| 175 | static void FreeMemory (void * _data); |
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| 176 | |
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[152] | 177 | }; // class CMPIManager |
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[267] | 178 | |
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[152] | 179 | |
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[267] | 180 | |
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[152] | 181 | } // namespace comm |
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| 182 | } // namespace xmlioserver |
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| 183 | |
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[267] | 184 | #endif //__MPI_INTERFACE_HPP__ |
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