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 (c) 2007 Sun Microsystems, Inc. All rights reserved. |
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15 | // $COPYRIGHT$ |
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16 | // |
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17 | // Additional copyrights may follow |
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18 | // |
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19 | // $HEADER$ |
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20 | // |
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21 | |
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22 | inline |
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23 | MPI::Intracomm::Intracomm(MPI_Comm data) { |
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24 | int flag = 0; |
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25 | if (MPI::Is_initialized() && (data != MPI_COMM_NULL)) { |
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26 | (void)MPI_Comm_test_inter(data, &flag); |
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27 | if (flag) { |
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28 | mpi_comm = MPI_COMM_NULL; |
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29 | } else { |
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30 | mpi_comm = data; |
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31 | } |
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32 | } |
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33 | else { |
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34 | mpi_comm = data; |
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35 | } |
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36 | } |
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37 | |
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38 | inline void |
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39 | MPI::Intracomm::Scan(const void *sendbuf, void *recvbuf, int count, |
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40 | const MPI::Datatype & datatype, const MPI::Op& op) const |
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41 | { |
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42 | (void)MPI_Scan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm); |
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43 | } |
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44 | |
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45 | inline void |
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46 | MPI::Intracomm::Exscan(const void *sendbuf, void *recvbuf, int count, |
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47 | const MPI::Datatype & datatype, |
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48 | const MPI::Op& op) const |
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49 | { |
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50 | (void)MPI_Exscan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm); |
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51 | } |
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52 | |
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53 | inline MPI::Intracomm |
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54 | MPI::Intracomm::Dup() const |
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55 | { |
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56 | MPI_Comm newcomm; |
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57 | (void)MPI_Comm_dup(mpi_comm, &newcomm); |
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58 | return newcomm; |
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59 | } |
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60 | |
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61 | inline MPI::Intracomm& |
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62 | MPI::Intracomm::Clone() const |
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63 | { |
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64 | MPI_Comm newcomm; |
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65 | (void)MPI_Comm_dup(mpi_comm, &newcomm); |
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66 | MPI::Intracomm* dup = new MPI::Intracomm(newcomm); |
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67 | return *dup; |
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68 | } |
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69 | |
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70 | inline MPI::Intracomm |
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71 | MPI::Intracomm::Create(const MPI::Group& group) const |
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72 | { |
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73 | MPI_Comm newcomm; |
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74 | (void)MPI_Comm_create(mpi_comm, group, &newcomm); |
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75 | return newcomm; |
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76 | } |
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77 | |
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78 | inline MPI::Intracomm |
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79 | MPI::Intracomm::Split(int color, int key) const |
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80 | { |
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81 | MPI_Comm newcomm; |
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82 | (void)MPI_Comm_split(mpi_comm, color, key, &newcomm); |
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83 | return newcomm; |
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84 | } |
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85 | |
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86 | |
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87 | |
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88 | inline MPI::Intercomm |
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89 | MPI::Intracomm::Create_intercomm(int local_leader, |
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90 | const MPI::Comm& peer_comm, |
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91 | int remote_leader, int tag) const |
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92 | { |
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93 | MPI_Comm newintercomm; |
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94 | (void)MPI_Intercomm_create(mpi_comm, local_leader, peer_comm, |
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95 | remote_leader, tag, &newintercomm); |
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96 | return newintercomm; |
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97 | } |
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98 | |
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99 | inline MPI::Cartcomm |
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100 | MPI::Intracomm::Create_cart(int ndims, const int dims[], |
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101 | const bool periods[], bool reorder) const |
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102 | { |
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103 | int *int_periods = new int [ndims]; |
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104 | for (int i=0; i<ndims; i++) |
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105 | int_periods[i] = (int) periods[i]; |
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106 | |
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107 | MPI_Comm newcomm; |
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108 | (void)MPI_Cart_create(mpi_comm, ndims, const_cast<int *>(dims), |
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109 | int_periods, (int)reorder, &newcomm); |
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110 | delete [] int_periods; |
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111 | return newcomm; |
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112 | } |
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113 | |
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114 | inline MPI::Graphcomm |
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115 | MPI::Intracomm::Create_graph(int nnodes, const int index[], |
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116 | const int edges[], bool reorder) const |
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117 | { |
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118 | MPI_Comm newcomm; |
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119 | (void)MPI_Graph_create(mpi_comm, nnodes, const_cast<int *>(index), |
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120 | const_cast<int *>(edges), (int)reorder, &newcomm); |
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121 | return newcomm; |
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122 | } |
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123 | |
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124 | |
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125 | // |
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126 | // Process Creation and Management |
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127 | // |
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128 | |
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129 | inline MPI::Intercomm |
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130 | MPI::Intracomm::Accept(const char* port_name, |
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131 | const MPI::Info& info, |
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132 | int root) const |
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133 | { |
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134 | MPI_Comm newcomm; |
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135 | (void) MPI_Comm_accept(const_cast<char *>(port_name), info, root, mpi_comm, |
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136 | &newcomm); |
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137 | return newcomm; |
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138 | } |
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139 | |
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140 | |
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141 | inline MPI::Intercomm |
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142 | MPI::Intracomm::Connect(const char* port_name, |
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143 | const MPI::Info& info, |
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144 | int root) const |
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145 | { |
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146 | MPI_Comm newcomm; |
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147 | (void) MPI_Comm_connect(const_cast<char *>(port_name), info, root, mpi_comm, |
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148 | &newcomm); |
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149 | return newcomm; |
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150 | } |
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151 | |
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152 | |
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153 | inline MPI::Intercomm |
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154 | MPI::Intracomm::Spawn(const char* command, const char* argv[], |
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155 | int maxprocs, const MPI::Info& info, |
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156 | int root) const |
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157 | { |
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158 | MPI_Comm newcomm; |
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159 | (void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs, |
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160 | info, root, mpi_comm, &newcomm, |
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161 | (int *)MPI_ERRCODES_IGNORE); |
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162 | return newcomm; |
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163 | } |
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164 | |
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165 | |
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166 | inline MPI::Intercomm |
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167 | MPI::Intracomm::Spawn(const char* command, const char* argv[], |
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168 | int maxprocs, const MPI::Info& info, |
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169 | int root, int array_of_errcodes[]) const |
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170 | { |
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171 | MPI_Comm newcomm; |
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172 | (void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs, |
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173 | info, root, mpi_comm, &newcomm, |
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174 | array_of_errcodes); |
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175 | return newcomm; |
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176 | } |
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177 | |
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178 | |
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179 | inline MPI::Intercomm |
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180 | MPI::Intracomm::Spawn_multiple(int count, |
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181 | const char* array_of_commands[], |
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182 | const char** array_of_argv[], |
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183 | const int array_of_maxprocs[], |
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184 | const Info array_of_info[], int root) |
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185 | { |
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186 | MPI_Comm newcomm; |
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187 | MPI_Info *const array_of_mpi_info = |
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188 | convert_info_to_mpi_info(count, array_of_info); |
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189 | |
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190 | MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands), |
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191 | const_cast<char ***>(array_of_argv), |
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192 | const_cast<int *>(array_of_maxprocs), |
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193 | array_of_mpi_info, root, |
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194 | mpi_comm, &newcomm, (int *)MPI_ERRCODES_IGNORE); |
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195 | delete[] array_of_mpi_info; |
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196 | return newcomm; |
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197 | } |
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198 | |
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199 | inline MPI_Info * |
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200 | MPI::Intracomm::convert_info_to_mpi_info(int p_nbr, const Info p_info_tbl[]) |
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201 | { |
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202 | MPI_Info *const mpi_info_tbl = new MPI_Info [p_nbr]; |
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203 | |
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204 | for (int i_tbl=0; i_tbl < p_nbr; i_tbl++) { |
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205 | mpi_info_tbl[i_tbl] = p_info_tbl[i_tbl]; |
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206 | } |
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207 | |
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208 | return mpi_info_tbl; |
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209 | } |
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210 | |
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211 | inline MPI::Intercomm |
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212 | MPI::Intracomm::Spawn_multiple(int count, |
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213 | const char* array_of_commands[], |
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214 | const char** array_of_argv[], |
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215 | const int array_of_maxprocs[], |
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216 | const Info array_of_info[], int root, |
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217 | int array_of_errcodes[]) |
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218 | { |
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219 | MPI_Comm newcomm; |
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220 | MPI_Info *const array_of_mpi_info = |
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221 | convert_info_to_mpi_info(count, array_of_info); |
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222 | |
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223 | MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands), |
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224 | const_cast<char ***>(array_of_argv), |
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225 | const_cast<int *>(array_of_maxprocs), |
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226 | array_of_mpi_info, root, |
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227 | mpi_comm, &newcomm, array_of_errcodes); |
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228 | delete[] array_of_mpi_info; |
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229 | return newcomm; |
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230 | } |
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231 | |
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232 | |
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233 | |
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234 | |
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235 | |
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236 | |
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237 | |
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238 | |
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239 | |
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240 | |
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