1 | // -*- c++ -*- |
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2 | // |
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3 | // Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana |
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4 | // University Research and Technology |
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5 | // Corporation. All rights reserved. |
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6 | // Copyright (c) 2004-2005 The University of Tennessee and The University |
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7 | // of Tennessee Research Foundation. All rights |
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8 | // reserved. |
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9 | // Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, |
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10 | // University of Stuttgart. All rights reserved. |
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11 | // Copyright (c) 2004-2005 The Regents of the University of California. |
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12 | // All rights reserved. |
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13 | // Copyright (c) 2006 Cisco Systems, Inc. All rights reserved. |
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14 | // $COPYRIGHT$ |
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15 | // |
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16 | // Additional copyrights may follow |
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17 | // |
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18 | // $HEADER$ |
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19 | // |
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20 | |
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21 | class Intracomm : public Comm { |
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22 | public: |
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23 | |
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24 | // construction |
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25 | Intracomm() { } |
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26 | // copy |
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27 | Intracomm(const Comm_Null& data) : Comm(data) { } |
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28 | // inter-language operability |
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29 | |
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30 | #if 0 /* OMPI_ENABLE_MPI_PROFILING */ |
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31 | //NOTE: it is extremely important that Comm(data) happens below |
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32 | // because there is a not only pmpi_comm in this Intracomm but |
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33 | // there is also a pmpi_comm in the inherited Comm part. Both |
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34 | // of these pmpi_comm's need to be initialized with the same |
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35 | // MPI_Comm object. Also the assignment operators must take this |
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36 | // into account. |
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37 | Intracomm(const Intracomm& data) : Comm(data), pmpi_comm(data) { } |
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38 | |
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39 | Intracomm(MPI_Comm data) : Comm(data), pmpi_comm(data) { } |
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40 | |
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41 | Intracomm(const PMPI::Intracomm& data) |
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42 | : Comm((const PMPI::Comm&)data), pmpi_comm(data) { } |
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43 | |
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44 | // assignment |
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45 | Intracomm& operator=(const Intracomm& data) { |
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46 | Comm::operator=(data); |
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47 | pmpi_comm = data.pmpi_comm; |
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48 | return *this; |
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49 | } |
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50 | Intracomm& operator=(const Comm_Null& data) { |
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51 | Comm::operator=(data); |
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52 | pmpi_comm = (PMPI::Intracomm)data; return *this; |
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53 | } |
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54 | // inter-language operability |
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55 | Intracomm& operator=(const MPI_Comm& data) { |
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56 | Comm::operator=(data); |
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57 | pmpi_comm = data; |
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58 | return *this; |
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59 | } |
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60 | |
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61 | #else |
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62 | Intracomm(const Intracomm& data) : Comm(data.mpi_comm) { } |
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63 | |
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64 | inline Intracomm(MPI_Comm data); |
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65 | |
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66 | // assignment |
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67 | Intracomm& operator=(const Intracomm& data) { |
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68 | mpi_comm = data.mpi_comm; return *this; |
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69 | } |
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70 | |
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71 | Intracomm& operator=(const Comm_Null& data) { |
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72 | mpi_comm = data; return *this; |
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73 | } |
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74 | |
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75 | // inter-language operability |
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76 | Intracomm& operator=(const MPI_Comm& data) { |
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77 | mpi_comm = data; return *this; } |
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78 | |
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79 | #endif |
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80 | |
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81 | // |
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82 | // Collective Communication |
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83 | // |
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84 | // All the rest are up in comm.h -- Scan and Exscan are not defined |
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85 | // in intercomm's, so they're down here in Intracomm. |
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86 | // |
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87 | virtual void |
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88 | Scan(const void *sendbuf, void *recvbuf, int count, |
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89 | const Datatype & datatype, const Op & op) const; |
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90 | |
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91 | virtual void |
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92 | Exscan(const void *sendbuf, void *recvbuf, int count, |
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93 | const Datatype & datatype, const Op & op) const; |
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94 | |
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95 | // |
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96 | // Communicator maintenance |
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97 | // |
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98 | |
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99 | Intracomm Dup() const; |
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100 | |
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101 | virtual Intracomm& Clone() const; |
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102 | |
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103 | virtual Intracomm |
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104 | Create(const Group& group) const; |
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105 | |
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106 | virtual Intracomm |
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107 | Split(int color, int key) const; |
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108 | |
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109 | virtual Intercomm |
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110 | Create_intercomm(int local_leader, const Comm& peer_comm, |
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111 | int remote_leader, int tag) const; |
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112 | |
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113 | virtual Cartcomm |
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114 | Create_cart(int ndims, const int dims[], |
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115 | const bool periods[], bool reorder) const; |
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116 | |
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117 | virtual Graphcomm |
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118 | Create_graph(int nnodes, const int index[], |
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119 | const int edges[], bool reorder) const; |
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120 | |
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121 | |
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122 | // |
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123 | // Process Creation and Management |
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124 | // |
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125 | |
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126 | virtual Intercomm Accept(const char* port_name, const Info& info, int root) |
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127 | const; |
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128 | |
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129 | virtual Intercomm Connect(const char* port_name, const Info& info, int root) |
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130 | const; |
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131 | |
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132 | virtual Intercomm Spawn(const char* command, const char* argv[], |
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133 | int maxprocs, const Info& info, int root) const; |
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134 | |
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135 | virtual Intercomm Spawn(const char* command, const char* argv[], |
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136 | int maxprocs, const Info& info, |
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137 | int root, int array_of_errcodes[]) const; |
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138 | |
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139 | virtual Intercomm Spawn_multiple(int count, const char* array_of_commands[], |
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140 | const char** array_of_argv[], |
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141 | const int array_of_maxprocs[], |
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142 | const Info array_of_info[], int root); |
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143 | |
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144 | virtual Intercomm Spawn_multiple(int count, const char* array_of_commands[], |
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145 | const char** array_of_argv[], |
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146 | const int array_of_maxprocs[], |
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147 | const Info array_of_info[], int root, |
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148 | int array_of_errcodes[]); |
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149 | |
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150 | |
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151 | //#if 0 /* OMPI_ENABLE_MPI_PROFILING */ |
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152 | // virtual const PMPI::Comm& get_pmpi_comm() const { return pmpi_comm; } |
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153 | //#endif |
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154 | protected: |
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155 | |
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156 | |
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157 | #if 0 /* OMPI_ENABLE_MPI_PROFILING */ |
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158 | PMPI::Intracomm pmpi_comm; |
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159 | #endif |
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160 | |
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161 | // Convert an array of p_nbr Info object into an array of MPI_Info. |
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162 | // A pointer to the allocated array is returned and must be |
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163 | // eventually deleted. |
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164 | static inline MPI_Info *convert_info_to_mpi_info(int p_nbr, |
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165 | const Info p_info_tbl[]); |
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166 | }; |
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