1 | #include "ep_lib.hpp" |
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2 | #include <mpi.h> |
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3 | #include "ep_declaration.hpp" |
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4 | |
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5 | using namespace std; |
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6 | |
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7 | namespace ep_lib |
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8 | { |
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9 | |
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10 | #ifdef _openmpi |
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11 | |
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12 | int MPI_Intercomm_create_from_world(MPI_Comm local_comm, int local_leader, void* peer_comm_ptr, int mpi_remote_leader, int tag, MPI_Comm *newintercomm) |
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13 | { |
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14 | |
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15 | int ep_rank, ep_rank_loc, mpi_rank; |
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16 | int ep_size, num_ep, mpi_size; |
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17 | |
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18 | ep_rank = local_comm.ep_comm_ptr->size_rank_info[0].first; |
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19 | ep_rank_loc = local_comm.ep_comm_ptr->size_rank_info[1].first; |
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20 | mpi_rank = local_comm.ep_comm_ptr->size_rank_info[2].first; |
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21 | ep_size = local_comm.ep_comm_ptr->size_rank_info[0].second; |
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22 | num_ep = local_comm.ep_comm_ptr->size_rank_info[1].second; |
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23 | mpi_size = local_comm.ep_comm_ptr->size_rank_info[2].second; |
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24 | |
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25 | |
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26 | std::vector<int> rank_info[4]; //! 0->rank_in_world of local_comm, 1->rank_in_local_parent of local_comm |
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27 | //! 2->rank_in_world of remote_comm, 3->rank_in_local_parent of remote_comm |
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28 | |
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29 | int rank_in_world; |
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30 | int rank_in_local_parent; |
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31 | |
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32 | int local_ep_size = ep_size; |
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33 | int remote_ep_size; |
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34 | |
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35 | ::MPI_Comm peer_comm = static_cast< ::MPI_Comm>(peer_comm_ptr); |
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36 | ::MPI_Comm local_mpi_comm = static_cast< ::MPI_Comm>(local_comm.mpi_comm); |
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37 | |
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38 | ::MPI_Comm_rank(peer_comm, &rank_in_world); |
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39 | |
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40 | ::MPI_Comm_rank(static_cast< ::MPI_Comm>(local_comm.mpi_comm), &rank_in_local_parent); |
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41 | |
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42 | bool is_proc_master = false; |
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43 | bool is_local_leader = false; |
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44 | bool is_final_master = false; |
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45 | |
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46 | |
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47 | if(ep_rank == local_leader) { is_proc_master = true; is_local_leader = true; is_final_master = true;} |
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48 | if(ep_rank_loc == 0 && mpi_rank != local_comm.rank_map->at(local_leader).second) is_proc_master = true; |
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49 | |
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50 | |
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51 | int size_info[4]; //! used for choose size of rank_info 0-> mpi_size of local_comm, 1-> mpi_size of remote_comm |
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52 | |
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53 | int leader_info[4]; //! 0->world rank of local_leader, 1->world rank of remote leader |
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54 | |
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55 | |
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56 | std::vector<int> ep_info[2]; //! 0-> num_ep in local_comm, 1->num_ep in remote_comm |
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57 | |
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58 | std::vector<int> new_rank_info[4]; |
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59 | std::vector<int> new_ep_info[2]; |
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60 | |
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61 | std::vector<int> offset; |
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62 | |
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63 | if(is_proc_master) |
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64 | { |
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65 | |
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66 | size_info[0] = mpi_size; |
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67 | |
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68 | rank_info[0].resize(size_info[0]); |
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69 | rank_info[1].resize(size_info[0]); |
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70 | |
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71 | |
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72 | |
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73 | ep_info[0].resize(size_info[0]); |
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74 | |
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75 | vector<int> send_buf(6); |
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76 | vector<int> recv_buf(3*size_info[0]); |
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77 | |
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78 | send_buf[0] = rank_in_world; |
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79 | send_buf[1] = rank_in_local_parent; |
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80 | send_buf[2] = num_ep; |
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81 | |
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82 | ::MPI_Allgather(send_buf.data(), 3, MPI_INT_STD, recv_buf.data(), 3, MPI_INT_STD, local_mpi_comm); |
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83 | |
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84 | for(int i=0; i<size_info[0]; i++) |
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85 | { |
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86 | rank_info[0][i] = recv_buf[3*i]; |
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87 | rank_info[1][i] = recv_buf[3*i+1]; |
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88 | ep_info[0][i] = recv_buf[3*i+2]; |
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89 | } |
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90 | |
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91 | if(is_local_leader) |
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92 | { |
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93 | leader_info[0] = rank_in_world; |
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94 | leader_info[1] = mpi_remote_leader; |
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95 | |
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96 | ::MPI_Status mpi_status; |
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97 | |
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98 | send_buf[0] = size_info[0]; |
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99 | send_buf[1] = local_ep_size; |
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100 | |
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101 | ::MPI_Send(send_buf.data(), 2, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
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102 | |
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103 | ::MPI_Recv(recv_buf.data(), 2, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
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104 | |
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105 | recv_buf[2] = rank_in_world; |
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106 | recv_buf[3] = mpi_remote_leader; |
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107 | |
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108 | } |
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109 | |
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110 | ::MPI_Bcast(recv_buf.data(), 4, MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
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111 | |
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112 | size_info[1] = recv_buf[0]; |
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113 | remote_ep_size = recv_buf[1]; |
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114 | leader_info[0] = recv_buf[2]; |
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115 | leader_info[1] = recv_buf[3]; |
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116 | |
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117 | rank_info[2].resize(size_info[1]); |
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118 | rank_info[3].resize(size_info[1]); |
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119 | |
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120 | ep_info[1].resize(size_info[1]); |
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121 | |
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122 | send_buf.resize(3*size_info[0]); |
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123 | recv_buf.resize(3*size_info[1]); |
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124 | |
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125 | if(is_local_leader) |
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126 | { |
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127 | ::MPI_Status mpi_status; |
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128 | |
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129 | |
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130 | std::copy ( rank_info[0].data(), rank_info[0].data() + size_info[0], send_buf.begin() ); |
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131 | std::copy ( rank_info[1].data(), rank_info[1].data() + size_info[0], send_buf.begin() + size_info[0] ); |
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132 | std::copy ( ep_info[0].data(), ep_info[0].data() + size_info[0], send_buf.begin() + 2*size_info[0] ); |
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133 | |
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134 | ::MPI_Send(send_buf.data(), 3*size_info[0], MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
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135 | |
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136 | ::MPI_Recv(recv_buf.data(), 3*size_info[1], MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
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137 | |
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138 | } |
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139 | |
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140 | ::MPI_Bcast(recv_buf.data(), 3*size_info[1], MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
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141 | |
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142 | std::copy ( recv_buf.data(), recv_buf.data() + size_info[1], rank_info[2].begin() ); |
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143 | std::copy ( recv_buf.data() + size_info[1], recv_buf.data() + 2*size_info[1], rank_info[3].begin() ); |
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144 | std::copy ( recv_buf.data() + 2*size_info[1], recv_buf.data() + 3*size_info[1], ep_info[1].begin() ); |
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145 | |
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146 | offset.resize(size_info[0]); |
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147 | |
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148 | if(leader_info[0]<leader_info[1]) // erase all ranks doubled with remote_comm, except the local leader |
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149 | { |
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150 | |
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151 | bool found = false; |
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152 | int ep_tmp; |
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153 | int ep_local; |
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154 | int ep_remote; |
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155 | for(int i=0; i<size_info[0]; i++) |
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156 | { |
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157 | int target = rank_info[0][i]; |
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158 | found = false; |
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159 | for(int j=0; j<size_info[1]; j++) |
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160 | { |
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161 | if(target == rank_info[2][j]) |
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162 | { |
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163 | found = true; |
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164 | ep_tmp = ep_info[1][j]; |
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165 | ep_local = ep_info[0][j]; |
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166 | ep_remote = ep_info[1][j]; |
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167 | break; |
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168 | } |
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169 | } |
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170 | if(found) |
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171 | { |
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172 | |
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173 | if(target == leader_info[0]) // the leader is doubled in remote |
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174 | { |
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175 | new_rank_info[0].push_back(target); |
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176 | new_rank_info[1].push_back(rank_info[1][i]); |
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177 | |
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178 | new_ep_info[0].push_back(ep_local + ep_remote); |
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179 | offset[i] = 0; |
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180 | } |
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181 | else |
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182 | { |
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183 | offset[i] = ep_local; |
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184 | } |
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185 | } |
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186 | else |
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187 | { |
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188 | new_rank_info[0].push_back(target); |
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189 | new_rank_info[1].push_back(rank_info[1][i]); |
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190 | |
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191 | new_ep_info[0].push_back(ep_info[0][i]); |
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192 | |
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193 | offset[i] = 0; |
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194 | } |
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195 | |
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196 | } |
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197 | } |
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198 | |
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199 | else // erase rank doubled with remote leader |
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200 | { |
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201 | |
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202 | bool found = false; |
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203 | int ep_tmp; |
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204 | int ep_local; |
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205 | int ep_remote; |
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206 | for(int i=0; i<size_info[0]; i++) |
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207 | { |
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208 | int target = rank_info[0][i]; |
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209 | found = false; |
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210 | for(int j=0; j<size_info[1]; j++) |
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211 | { |
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212 | |
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213 | if(target == rank_info[2][j]) |
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214 | { |
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215 | found = true; |
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216 | ep_tmp = ep_info[1][j]; |
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217 | ep_local = ep_info[0][j]; |
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218 | ep_remote = ep_info[1][j]; |
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219 | break; |
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220 | } |
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221 | } |
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222 | if(found) |
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223 | { |
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224 | if(target != leader_info[1]) |
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225 | { |
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226 | new_rank_info[0].push_back(target); |
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227 | new_rank_info[1].push_back(rank_info[1][i]); |
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228 | |
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229 | new_ep_info[0].push_back(ep_local + ep_remote); |
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230 | offset[i] = 0; |
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231 | } |
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232 | else // found remote leader |
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233 | { |
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234 | offset[i] = ep_remote; |
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235 | } |
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236 | } |
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237 | else |
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238 | { |
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239 | new_rank_info[0].push_back(target); |
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240 | new_rank_info[1].push_back(rank_info[1][i]); |
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241 | |
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242 | new_ep_info[0].push_back(ep_info[0][i]); |
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243 | offset[i] = 0; |
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244 | } |
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245 | } |
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246 | } |
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247 | |
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248 | if(offset[mpi_rank] == 0) |
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249 | { |
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250 | is_final_master = true; |
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251 | } |
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252 | |
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253 | |
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254 | // size_info[4]: 2->size of new_ep_info for local, 3->size of new_ep_info for remote |
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255 | |
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256 | if(is_local_leader) |
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257 | { |
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258 | size_info[2] = new_ep_info[0].size(); |
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259 | ::MPI_Status mpi_status; |
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260 | |
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261 | ::MPI_Send(&size_info[2], 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
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262 | |
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263 | ::MPI_Recv(&size_info[3], 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
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264 | } |
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265 | |
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266 | ::MPI_Bcast(&size_info[2], 2, MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
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267 | |
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268 | new_rank_info[2].resize(size_info[3]); |
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269 | new_rank_info[3].resize(size_info[3]); |
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270 | new_ep_info[1].resize(size_info[3]); |
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271 | |
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272 | send_buf.resize(size_info[2]); |
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273 | recv_buf.resize(size_info[3]); |
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274 | |
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275 | if(is_local_leader) |
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276 | { |
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277 | ::MPI_Status mpi_status; |
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278 | |
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279 | std::copy ( new_rank_info[0].data(), new_rank_info[0].data() + size_info[2], send_buf.begin() ); |
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280 | std::copy ( new_rank_info[1].data(), new_rank_info[1].data() + size_info[2], send_buf.begin() + size_info[2] ); |
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281 | std::copy ( new_ep_info[0].data(), new_ep_info[0].data() + size_info[0], send_buf.begin() + 2*size_info[2] ); |
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282 | |
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283 | ::MPI_Send(send_buf.data(), 3*size_info[2], MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
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284 | ::MPI_Recv(recv_buf.data(), 3*size_info[3], MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
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285 | |
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286 | } |
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287 | |
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288 | ::MPI_Bcast(recv_buf.data(), 3*size_info[3], MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
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289 | |
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290 | std::copy ( recv_buf.data(), recv_buf.data() + size_info[3], new_rank_info[2].begin() ); |
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291 | std::copy ( recv_buf.data() + size_info[3], recv_buf.data() + 2*size_info[3], new_rank_info[3].begin() ); |
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292 | std::copy ( recv_buf.data() + 2*size_info[3], recv_buf.data() + 3*size_info[3], new_ep_info[1].begin() ); |
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293 | |
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294 | } |
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295 | |
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296 | |
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297 | |
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298 | if(is_proc_master) |
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299 | { |
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300 | // leader_info[4]: 2-> rank of local leader in new_group generated comm; |
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301 | // 3-> rank of remote leader in new_group generated comm; |
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302 | ::MPI_Group local_group; |
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303 | ::MPI_Group new_group; |
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304 | ::MPI_Comm new_comm; |
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305 | ::MPI_Comm intercomm; |
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306 | |
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307 | ::MPI_Comm_group(local_mpi_comm, &local_group); |
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308 | |
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309 | ::MPI_Group_incl(local_group, size_info[2], new_rank_info[1].data(), &new_group); |
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310 | |
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311 | ::MPI_Comm_create(local_mpi_comm, new_group, &new_comm); |
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312 | |
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313 | |
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314 | |
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315 | if(is_local_leader) |
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316 | { |
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317 | ::MPI_Comm_rank(new_comm, &leader_info[2]); |
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318 | } |
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319 | |
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320 | ::MPI_Bcast(&leader_info[2], 1, MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
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321 | |
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322 | if(new_comm != MPI_COMM_NULL_STD) |
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323 | { |
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324 | ::MPI_Barrier(new_comm); |
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325 | |
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326 | ::MPI_Intercomm_create(new_comm, leader_info[2], peer_comm, leader_info[1], tag, &intercomm); |
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327 | |
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328 | int id; |
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329 | MPI_Comm_rank(new_comm, &id); |
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330 | int my_num_ep = new_ep_info[0][id]; |
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331 | |
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332 | MPI_Comm *ep_intercomm; |
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333 | MPI_Info info; |
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334 | MPI_Comm_create_endpoints(new_comm, my_num_ep, info, ep_intercomm); |
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335 | |
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336 | |
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337 | |
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338 | for(int i= 0; i<my_num_ep; i++) |
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339 | { |
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340 | ep_intercomm[i].is_intercomm = true; |
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341 | |
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342 | ep_intercomm[i].ep_comm_ptr->intercomm = new ep_lib::ep_intercomm; |
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343 | ep_intercomm[i].ep_comm_ptr->intercomm->mpi_inter_comm = intercomm; |
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344 | ep_intercomm[i].ep_comm_ptr->comm_label = leader_info[0]; |
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345 | } |
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346 | |
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347 | #pragma omp critical (write_to_tag_list) |
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348 | tag_list.push_back(make_pair( make_pair(tag, min(leader_info[0], leader_info[1])) , ep_intercomm)); |
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349 | } |
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350 | |
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351 | |
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352 | } |
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353 | |
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354 | |
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355 | MPI_Barrier_local(local_comm); |
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356 | |
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357 | vector<int> bcast_buf(8); |
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358 | if(is_local_leader) |
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359 | { |
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360 | std::copy(size_info, size_info+4, bcast_buf.begin()); |
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361 | std::copy(leader_info, leader_info+4, bcast_buf.begin()+4); |
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362 | } |
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363 | |
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364 | MPI_Bcast(bcast_buf.data(), 8, MPI_INT_STD, local_leader, local_comm); |
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365 | |
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366 | if(!is_local_leader) |
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367 | { |
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368 | std::copy(bcast_buf.begin(), bcast_buf.begin()+4, size_info); |
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369 | std::copy(bcast_buf.begin()+4, bcast_buf.begin()+8, leader_info); |
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370 | } |
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371 | |
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372 | if(!is_local_leader) |
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373 | { |
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374 | new_rank_info[1].resize(size_info[2]); |
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375 | ep_info[1].resize(size_info[1]); |
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376 | offset.resize(size_info[0]); |
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377 | } |
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378 | |
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379 | bcast_buf.resize(size_info[2]+size_info[1]+size_info[0]+1); |
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380 | |
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381 | if(is_local_leader) |
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382 | { |
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383 | bcast_buf[0] = remote_ep_size; |
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384 | std::copy(new_rank_info[1].data(), new_rank_info[1].data()+size_info[2], bcast_buf.begin()+1); |
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385 | std::copy(ep_info[1].data(), ep_info[1].data()+size_info[1], bcast_buf.begin()+size_info[2]+1); |
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386 | std::copy(offset.data(), offset.data()+size_info[0], bcast_buf.begin()+size_info[2]+size_info[1]+1); |
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387 | } |
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388 | |
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389 | MPI_Bcast(bcast_buf.data(), size_info[2]+size_info[1]+size_info[0]+1, MPI_INT_STD, local_leader, local_comm); |
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390 | |
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391 | if(!is_local_leader) |
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392 | { |
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393 | remote_ep_size = bcast_buf[0]; |
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394 | std::copy(bcast_buf.data()+1, bcast_buf.data()+1+size_info[2], new_rank_info[1].begin()); |
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395 | std::copy(bcast_buf.data()+1+size_info[2], bcast_buf.data()+1+size_info[2]+size_info[1], ep_info[1].begin()); |
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396 | std::copy(bcast_buf.data()+1+size_info[2]+size_info[1], bcast_buf.data()+1+size_info[2]+size_info[1]+size_info[0], offset.begin()); |
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397 | } |
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398 | |
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399 | |
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400 | int my_position = offset[rank_in_local_parent]+ep_rank_loc; |
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401 | |
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402 | |
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403 | MPI_Barrier_local(local_comm); |
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404 | #pragma omp flush |
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405 | |
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406 | |
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407 | #pragma omp critical (read_from_tag_list) |
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408 | { |
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409 | bool found = false; |
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410 | while(!found) |
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411 | { |
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412 | for(std::list<std::pair < std::pair<int,int>, MPI_Comm* > >::iterator iter = tag_list.begin(); iter!=tag_list.end(); iter++) |
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413 | { |
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414 | if((*iter).first == make_pair(tag, min(leader_info[0], leader_info[1]))) |
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415 | { |
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416 | *newintercomm = iter->second[my_position]; |
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417 | |
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418 | found = true; |
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419 | //tag_list.erase(iter); |
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420 | break; |
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421 | } |
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422 | } |
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423 | } |
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424 | } |
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425 | |
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426 | MPI_Barrier_local(local_comm); |
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427 | |
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428 | if(is_proc_master) |
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429 | { |
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430 | for(std::list<std::pair < std::pair<int,int>, MPI_Comm* > >::iterator iter = tag_list.begin(); iter!=tag_list.end(); iter++) |
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431 | { |
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432 | if((*iter).first == make_pair(tag, min(leader_info[0], leader_info[1]))) |
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433 | { |
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434 | tag_list.erase(iter); |
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435 | break; |
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436 | } |
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437 | } |
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438 | } |
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439 | |
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440 | |
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441 | |
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442 | int intercomm_ep_rank, intercomm_ep_rank_loc, intercomm_mpi_rank; |
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443 | int intercomm_ep_size, intercomm_num_ep, intercomm_mpi_size; |
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444 | |
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445 | intercomm_ep_rank = newintercomm->ep_comm_ptr->size_rank_info[0].first; |
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446 | intercomm_ep_rank_loc = newintercomm->ep_comm_ptr->size_rank_info[1].first; |
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447 | intercomm_mpi_rank = newintercomm->ep_comm_ptr->size_rank_info[2].first; |
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448 | intercomm_ep_size = newintercomm->ep_comm_ptr->size_rank_info[0].second; |
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449 | intercomm_num_ep = newintercomm->ep_comm_ptr->size_rank_info[1].second; |
---|
450 | intercomm_mpi_size = newintercomm->ep_comm_ptr->size_rank_info[2].second; |
---|
451 | |
---|
452 | MPI_Bcast(&remote_ep_size, 1, MPI_INT_STD, local_leader, local_comm); |
---|
453 | |
---|
454 | int my_rank_map_elem[2]; |
---|
455 | |
---|
456 | |
---|
457 | my_rank_map_elem[0] = intercomm_ep_rank; |
---|
458 | |
---|
459 | my_rank_map_elem[1] = (*newintercomm).ep_comm_ptr->comm_label; |
---|
460 | |
---|
461 | vector<pair<int, int> > local_rank_map_array; |
---|
462 | vector<pair<int, int> > remote_rank_map_array; |
---|
463 | |
---|
464 | |
---|
465 | (*newintercomm).ep_comm_ptr->intercomm->local_rank_map = new RANK_MAP; |
---|
466 | (*newintercomm).ep_comm_ptr->intercomm->local_rank_map->resize(local_ep_size); |
---|
467 | |
---|
468 | MPI_Allgather(my_rank_map_elem, 2, MPI_INT_STD, (*newintercomm).ep_comm_ptr->intercomm->local_rank_map->data(), 2, MPI_INT_STD, local_comm); |
---|
469 | |
---|
470 | (*newintercomm).ep_comm_ptr->intercomm->remote_rank_map = new RANK_MAP; |
---|
471 | (*newintercomm).ep_comm_ptr->intercomm->remote_rank_map->resize(remote_ep_size); |
---|
472 | |
---|
473 | int local_intercomm_size = intercomm_ep_size; |
---|
474 | int remote_intercomm_size; |
---|
475 | |
---|
476 | |
---|
477 | |
---|
478 | |
---|
479 | if(is_local_leader) |
---|
480 | { |
---|
481 | ::MPI_Status status; |
---|
482 | |
---|
483 | ::MPI_Send((*newintercomm).ep_comm_ptr->intercomm->local_rank_map->data(), 2*local_ep_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
484 | |
---|
485 | ::MPI_Recv((*newintercomm).ep_comm_ptr->intercomm->remote_rank_map->data(), 2*remote_ep_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &status); |
---|
486 | |
---|
487 | ::MPI_Send(&local_intercomm_size, 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
488 | |
---|
489 | ::MPI_Recv(&remote_intercomm_size, 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &status); |
---|
490 | } |
---|
491 | |
---|
492 | MPI_Bcast((*newintercomm).ep_comm_ptr->intercomm->remote_rank_map->data(), 2*remote_ep_size, MPI_INT_STD, local_leader, local_comm); |
---|
493 | MPI_Bcast(&remote_intercomm_size, 1, MPI_INT_STD, 0, *newintercomm); |
---|
494 | |
---|
495 | |
---|
496 | (*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map = new RANK_MAP; |
---|
497 | (*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->resize(remote_intercomm_size); |
---|
498 | |
---|
499 | (*newintercomm).ep_comm_ptr->intercomm->size_rank_info[0] = local_comm.ep_comm_ptr->size_rank_info[0]; |
---|
500 | (*newintercomm).ep_comm_ptr->intercomm->size_rank_info[1] = local_comm.ep_comm_ptr->size_rank_info[1]; |
---|
501 | (*newintercomm).ep_comm_ptr->intercomm->size_rank_info[2] = local_comm.ep_comm_ptr->size_rank_info[2]; |
---|
502 | |
---|
503 | |
---|
504 | if(is_local_leader) |
---|
505 | { |
---|
506 | ::MPI_Status status; |
---|
507 | |
---|
508 | ::MPI_Send((*newintercomm).rank_map->data(), 2*local_intercomm_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
509 | |
---|
510 | ::MPI_Recv((*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->data(), 2*remote_intercomm_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &status); |
---|
511 | } |
---|
512 | |
---|
513 | MPI_Bcast((*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->data(), 2*remote_intercomm_size, MPI_INT_STD, 0, *newintercomm); |
---|
514 | |
---|
515 | (*newintercomm).ep_comm_ptr->intercomm->local_comm = &(local_comm.ep_comm_ptr->comm_list[ep_rank_loc]); |
---|
516 | (*newintercomm).ep_comm_ptr->intercomm->intercomm_tag = local_comm.ep_comm_ptr->comm_label; |
---|
517 | |
---|
518 | |
---|
519 | return MPI_SUCCESS; |
---|
520 | |
---|
521 | } |
---|
522 | |
---|
523 | |
---|
524 | |
---|
525 | #elif _intelmpi |
---|
526 | int MPI_Intercomm_create_from_world(MPI_Comm local_comm, int local_leader, int peer_comm_ptr, int mpi_remote_leader, int tag, MPI_Comm *newintercomm) |
---|
527 | { |
---|
528 | int ep_rank, ep_rank_loc, mpi_rank; |
---|
529 | int ep_size, num_ep, mpi_size; |
---|
530 | |
---|
531 | ep_rank = local_comm.ep_comm_ptr->size_rank_info[0].first; |
---|
532 | ep_rank_loc = local_comm.ep_comm_ptr->size_rank_info[1].first; |
---|
533 | mpi_rank = local_comm.ep_comm_ptr->size_rank_info[2].first; |
---|
534 | ep_size = local_comm.ep_comm_ptr->size_rank_info[0].second; |
---|
535 | num_ep = local_comm.ep_comm_ptr->size_rank_info[1].second; |
---|
536 | mpi_size = local_comm.ep_comm_ptr->size_rank_info[2].second; |
---|
537 | |
---|
538 | std::vector<int> rank_info[4]; //! 0->rank_in_world of local_comm, 1->rank_in_local_parent of local_comm |
---|
539 | //! 2->rank_in_world of remote_comm, 3->rank_in_local_parent of remote_comm |
---|
540 | |
---|
541 | int rank_in_world; |
---|
542 | int rank_in_local_parent; |
---|
543 | |
---|
544 | int local_ep_size = ep_size; |
---|
545 | int remote_ep_size; |
---|
546 | |
---|
547 | ::MPI_Comm peer_comm = static_cast< ::MPI_Comm>(peer_comm_ptr); |
---|
548 | ::MPI_Comm local_mpi_comm = static_cast< ::MPI_Comm>(local_comm.mpi_comm); |
---|
549 | |
---|
550 | ::MPI_Comm_rank(peer_comm, &rank_in_world); |
---|
551 | |
---|
552 | ::MPI_Comm_rank(static_cast< ::MPI_Comm>(local_comm.mpi_comm), &rank_in_local_parent); |
---|
553 | |
---|
554 | bool is_proc_master = false; |
---|
555 | bool is_local_leader = false; |
---|
556 | bool is_final_master = false; |
---|
557 | |
---|
558 | |
---|
559 | if(ep_rank == local_leader) { is_proc_master = true; is_local_leader = true; is_final_master = true;} |
---|
560 | if(ep_rank_loc == 0 && mpi_rank != local_comm.rank_map->at(local_leader).second) is_proc_master = true; |
---|
561 | |
---|
562 | |
---|
563 | int size_info[4]; //! used for choose size of rank_info 0-> mpi_size of local_comm, 1-> mpi_size of remote_comm |
---|
564 | |
---|
565 | int leader_info[4]; //! 0->world rank of local_leader, 1->world rank of remote leader |
---|
566 | |
---|
567 | |
---|
568 | std::vector<int> ep_info[2]; //! 0-> num_ep in local_comm, 1->num_ep in remote_comm |
---|
569 | |
---|
570 | std::vector<int> new_rank_info[4]; |
---|
571 | std::vector<int> new_ep_info[2]; |
---|
572 | |
---|
573 | std::vector<int> offset; |
---|
574 | |
---|
575 | if(is_proc_master) |
---|
576 | { |
---|
577 | |
---|
578 | size_info[0] = mpi_size; |
---|
579 | |
---|
580 | rank_info[0].resize(size_info[0]); |
---|
581 | rank_info[1].resize(size_info[0]); |
---|
582 | |
---|
583 | ep_info[0].resize(size_info[0]); |
---|
584 | |
---|
585 | vector<int> send_buf(6); |
---|
586 | vector<int> recv_buf(3*size_info[0]); |
---|
587 | |
---|
588 | send_buf[0] = rank_in_world; |
---|
589 | send_buf[1] = rank_in_local_parent; |
---|
590 | send_buf[2] = num_ep; |
---|
591 | |
---|
592 | ::MPI_Allgather(send_buf.data(), 3, MPI_INT_STD, recv_buf.data(), 3, MPI_INT_STD, local_mpi_comm); |
---|
593 | |
---|
594 | for(int i=0; i<size_info[0]; i++) |
---|
595 | { |
---|
596 | rank_info[0][i] = recv_buf[3*i]; |
---|
597 | rank_info[1][i] = recv_buf[3*i+1]; |
---|
598 | ep_info[0][i] = recv_buf[3*i+2]; |
---|
599 | } |
---|
600 | |
---|
601 | |
---|
602 | if(is_local_leader) |
---|
603 | { |
---|
604 | leader_info[0] = rank_in_world; |
---|
605 | leader_info[1] = mpi_remote_leader; |
---|
606 | |
---|
607 | ::MPI_Status mpi_status; |
---|
608 | |
---|
609 | send_buf[0] = size_info[0]; |
---|
610 | send_buf[1] = local_ep_size; |
---|
611 | |
---|
612 | ::MPI_Send(send_buf.data(), 2, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
613 | |
---|
614 | ::MPI_Recv(recv_buf.data(), 2, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
---|
615 | |
---|
616 | recv_buf[2] = rank_in_world; |
---|
617 | recv_buf[3] = mpi_remote_leader; |
---|
618 | |
---|
619 | } |
---|
620 | |
---|
621 | ::MPI_Bcast(recv_buf.data(), 4, MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
---|
622 | |
---|
623 | size_info[1] = recv_buf[0]; |
---|
624 | remote_ep_size = recv_buf[1]; |
---|
625 | leader_info[0] = recv_buf[2]; |
---|
626 | leader_info[1] = recv_buf[3]; |
---|
627 | |
---|
628 | rank_info[2].resize(size_info[1]); |
---|
629 | rank_info[3].resize(size_info[1]); |
---|
630 | |
---|
631 | ep_info[1].resize(size_info[1]); |
---|
632 | |
---|
633 | send_buf.resize(3*size_info[0]); |
---|
634 | recv_buf.resize(3*size_info[1]); |
---|
635 | |
---|
636 | if(is_local_leader) |
---|
637 | { |
---|
638 | ::MPI_Status mpi_status; |
---|
639 | |
---|
640 | |
---|
641 | std::copy ( rank_info[0].data(), rank_info[0].data() + size_info[0], send_buf.begin() ); |
---|
642 | std::copy ( rank_info[1].data(), rank_info[1].data() + size_info[0], send_buf.begin() + size_info[0] ); |
---|
643 | std::copy ( ep_info[0].data(), ep_info[0].data() + size_info[0], send_buf.begin() + 2*size_info[0] ); |
---|
644 | |
---|
645 | ::MPI_Send(send_buf.data(), 3*size_info[0], MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
646 | |
---|
647 | ::MPI_Recv(recv_buf.data(), 3*size_info[1], MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
---|
648 | |
---|
649 | } |
---|
650 | |
---|
651 | ::MPI_Bcast(recv_buf.data(), 3*size_info[1], MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
---|
652 | |
---|
653 | std::copy ( recv_buf.data(), recv_buf.data() + size_info[1], rank_info[2].begin() ); |
---|
654 | std::copy ( recv_buf.data() + size_info[1], recv_buf.data() + 2*size_info[1], rank_info[3].begin() ); |
---|
655 | std::copy ( recv_buf.data() + 2*size_info[1], recv_buf.data() + 3*size_info[1], ep_info[1].begin() ); |
---|
656 | |
---|
657 | offset.resize(size_info[0]); |
---|
658 | |
---|
659 | if(leader_info[0]<leader_info[1]) // erase all ranks doubled with remote_comm, except the local leader |
---|
660 | { |
---|
661 | |
---|
662 | bool found = false; |
---|
663 | int ep_tmp; |
---|
664 | int ep_local; |
---|
665 | int ep_remote; |
---|
666 | for(int i=0; i<size_info[0]; i++) |
---|
667 | { |
---|
668 | int target = rank_info[0][i]; |
---|
669 | found = false; |
---|
670 | for(int j=0; j<size_info[1]; j++) |
---|
671 | { |
---|
672 | if(target == rank_info[2][j]) |
---|
673 | { |
---|
674 | found = true; |
---|
675 | ep_tmp = ep_info[1][j]; |
---|
676 | ep_local = ep_info[0][j]; |
---|
677 | ep_remote = ep_info[1][j]; |
---|
678 | break; |
---|
679 | } |
---|
680 | } |
---|
681 | if(found) |
---|
682 | { |
---|
683 | |
---|
684 | if(target == leader_info[0]) // the leader is doubled in remote |
---|
685 | { |
---|
686 | new_rank_info[0].push_back(target); |
---|
687 | new_rank_info[1].push_back(rank_info[1][i]); |
---|
688 | |
---|
689 | new_ep_info[0].push_back(ep_local + ep_remote); |
---|
690 | offset[i] = 0; |
---|
691 | } |
---|
692 | else |
---|
693 | { |
---|
694 | offset[i] = ep_local; |
---|
695 | } |
---|
696 | } |
---|
697 | else |
---|
698 | { |
---|
699 | new_rank_info[0].push_back(target); |
---|
700 | new_rank_info[1].push_back(rank_info[1][i]); |
---|
701 | |
---|
702 | new_ep_info[0].push_back(ep_info[0][i]); |
---|
703 | |
---|
704 | offset[i] = 0; |
---|
705 | } |
---|
706 | |
---|
707 | } |
---|
708 | } |
---|
709 | |
---|
710 | else // erase rank doubled with remote leader |
---|
711 | { |
---|
712 | |
---|
713 | bool found = false; |
---|
714 | int ep_tmp; |
---|
715 | int ep_local; |
---|
716 | int ep_remote; |
---|
717 | for(int i=0; i<size_info[0]; i++) |
---|
718 | { |
---|
719 | int target = rank_info[0][i]; |
---|
720 | found = false; |
---|
721 | for(int j=0; j<size_info[1]; j++) |
---|
722 | { |
---|
723 | |
---|
724 | if(target == rank_info[2][j]) |
---|
725 | { |
---|
726 | found = true; |
---|
727 | ep_tmp = ep_info[1][j]; |
---|
728 | ep_local = ep_info[0][j]; |
---|
729 | ep_remote = ep_info[1][j]; |
---|
730 | break; |
---|
731 | } |
---|
732 | } |
---|
733 | if(found) |
---|
734 | { |
---|
735 | if(target != leader_info[1]) |
---|
736 | { |
---|
737 | new_rank_info[0].push_back(target); |
---|
738 | new_rank_info[1].push_back(rank_info[1][i]); |
---|
739 | |
---|
740 | new_ep_info[0].push_back(ep_local + ep_remote); |
---|
741 | offset[i] = 0; |
---|
742 | } |
---|
743 | else // found remote leader |
---|
744 | { |
---|
745 | offset[i] = ep_remote; |
---|
746 | } |
---|
747 | } |
---|
748 | else |
---|
749 | { |
---|
750 | new_rank_info[0].push_back(target); |
---|
751 | new_rank_info[1].push_back(rank_info[1][i]); |
---|
752 | |
---|
753 | new_ep_info[0].push_back(ep_info[0][i]); |
---|
754 | offset[i] = 0; |
---|
755 | } |
---|
756 | } |
---|
757 | } |
---|
758 | |
---|
759 | if(offset[mpi_rank] == 0) |
---|
760 | { |
---|
761 | is_final_master = true; |
---|
762 | } |
---|
763 | |
---|
764 | |
---|
765 | // size_info[4]: 2->size of new_ep_info for local, 3->size of new_ep_info for remote |
---|
766 | |
---|
767 | if(is_local_leader) |
---|
768 | { |
---|
769 | size_info[2] = new_ep_info[0].size(); |
---|
770 | ::MPI_Status mpi_status; |
---|
771 | |
---|
772 | ::MPI_Send(&size_info[2], 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
773 | |
---|
774 | ::MPI_Recv(&size_info[3], 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
---|
775 | } |
---|
776 | |
---|
777 | ::MPI_Bcast(&size_info[2], 2, MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
---|
778 | |
---|
779 | new_rank_info[2].resize(size_info[3]); |
---|
780 | new_rank_info[3].resize(size_info[3]); |
---|
781 | new_ep_info[1].resize(size_info[3]); |
---|
782 | |
---|
783 | send_buf.resize(size_info[2]); |
---|
784 | recv_buf.resize(size_info[3]); |
---|
785 | |
---|
786 | if(is_local_leader) |
---|
787 | { |
---|
788 | ::MPI_Status mpi_status; |
---|
789 | |
---|
790 | std::copy ( new_rank_info[0].data(), new_rank_info[0].data() + size_info[2], send_buf.begin() ); |
---|
791 | std::copy ( new_rank_info[1].data(), new_rank_info[1].data() + size_info[2], send_buf.begin() + size_info[2] ); |
---|
792 | std::copy ( new_ep_info[0].data(), new_ep_info[0].data() + size_info[0], send_buf.begin() + 2*size_info[2] ); |
---|
793 | |
---|
794 | ::MPI_Send(send_buf.data(), 3*size_info[2], MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
795 | |
---|
796 | ::MPI_Recv(recv_buf.data(), 3*size_info[3], MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &mpi_status); |
---|
797 | } |
---|
798 | |
---|
799 | ::MPI_Bcast(recv_buf.data(), 3*size_info[3], MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
---|
800 | |
---|
801 | std::copy ( recv_buf.data(), recv_buf.data() + size_info[3], new_rank_info[2].begin() ); |
---|
802 | std::copy ( recv_buf.data() + size_info[3], recv_buf.data() + 2*size_info[3], new_rank_info[3].begin() ); |
---|
803 | std::copy ( recv_buf.data() + 2*size_info[3], recv_buf.data() + 3*size_info[3], new_ep_info[1].begin() ); |
---|
804 | |
---|
805 | } |
---|
806 | |
---|
807 | |
---|
808 | |
---|
809 | if(is_proc_master) |
---|
810 | { |
---|
811 | // leader_info[4]: 2-> rank of local leader in new_group generated comm; |
---|
812 | // 3-> rank of remote leader in new_group generated comm; |
---|
813 | ::MPI_Group local_group; |
---|
814 | ::MPI_Group new_group; |
---|
815 | ::MPI_Comm new_comm; |
---|
816 | ::MPI_Comm intercomm; |
---|
817 | |
---|
818 | ::MPI_Comm_group(local_mpi_comm, &local_group); |
---|
819 | |
---|
820 | ::MPI_Group_incl(local_group, size_info[2], new_rank_info[1].data(), &new_group); |
---|
821 | |
---|
822 | ::MPI_Comm_create(local_mpi_comm, new_group, &new_comm); |
---|
823 | |
---|
824 | |
---|
825 | |
---|
826 | if(is_local_leader) |
---|
827 | { |
---|
828 | ::MPI_Comm_rank(new_comm, &leader_info[2]); |
---|
829 | } |
---|
830 | |
---|
831 | ::MPI_Bcast(&leader_info[2], 1, MPI_INT_STD, local_comm.rank_map->at(local_leader).second, local_mpi_comm); |
---|
832 | |
---|
833 | if(new_comm != MPI_COMM_NULL_STD) |
---|
834 | { |
---|
835 | ::MPI_Barrier(new_comm); |
---|
836 | |
---|
837 | ::MPI_Intercomm_create(new_comm, leader_info[2], peer_comm, leader_info[1], tag, &intercomm); |
---|
838 | |
---|
839 | int id; |
---|
840 | ::MPI_Comm_rank(new_comm, &id); |
---|
841 | int my_num_ep = new_ep_info[0][id]; |
---|
842 | |
---|
843 | MPI_Comm *ep_intercomm; |
---|
844 | MPI_Info info; |
---|
845 | MPI_Comm_create_endpoints(new_comm, my_num_ep, info, ep_intercomm); |
---|
846 | |
---|
847 | for(int i= 0; i<my_num_ep; i++) |
---|
848 | { |
---|
849 | ep_intercomm[i].is_intercomm = true; |
---|
850 | |
---|
851 | ep_intercomm[i].ep_comm_ptr->intercomm = new ep_lib::ep_intercomm; |
---|
852 | ep_intercomm[i].ep_comm_ptr->intercomm->mpi_inter_comm = intercomm; |
---|
853 | ep_intercomm[i].ep_comm_ptr->comm_label = leader_info[0]; |
---|
854 | } |
---|
855 | |
---|
856 | |
---|
857 | #pragma omp critical (write_to_tag_list) |
---|
858 | tag_list.push_back(make_pair( make_pair(tag, min(leader_info[0], leader_info[1])) , ep_intercomm)); |
---|
859 | |
---|
860 | } |
---|
861 | |
---|
862 | |
---|
863 | } |
---|
864 | |
---|
865 | |
---|
866 | MPI_Barrier_local(local_comm); |
---|
867 | |
---|
868 | |
---|
869 | vector<int> bcast_buf(8); |
---|
870 | if(is_local_leader) |
---|
871 | { |
---|
872 | std::copy(size_info, size_info+4, bcast_buf.begin()); |
---|
873 | std::copy(leader_info, leader_info+4, bcast_buf.begin()+4); |
---|
874 | } |
---|
875 | |
---|
876 | |
---|
877 | |
---|
878 | MPI_Bcast(bcast_buf.data(), 8, MPI_INT_STD, local_leader, local_comm); |
---|
879 | |
---|
880 | |
---|
881 | if(!is_local_leader) |
---|
882 | { |
---|
883 | std::copy(bcast_buf.begin(), bcast_buf.begin()+4, size_info); |
---|
884 | std::copy(bcast_buf.begin()+4, bcast_buf.begin()+8, leader_info); |
---|
885 | } |
---|
886 | |
---|
887 | |
---|
888 | |
---|
889 | if(!is_local_leader) |
---|
890 | { |
---|
891 | new_rank_info[1].resize(size_info[2]); |
---|
892 | ep_info[1].resize(size_info[1]); |
---|
893 | offset.resize(size_info[0]); |
---|
894 | } |
---|
895 | |
---|
896 | bcast_buf.resize(size_info[2]+size_info[1]+size_info[0]+1); |
---|
897 | |
---|
898 | if(is_local_leader) |
---|
899 | { |
---|
900 | bcast_buf[0] = remote_ep_size; |
---|
901 | std::copy(new_rank_info[1].data(), new_rank_info[1].data()+size_info[2], bcast_buf.begin()+1); |
---|
902 | std::copy(ep_info[1].data(), ep_info[1].data()+size_info[1], bcast_buf.begin()+size_info[2]+1); |
---|
903 | std::copy(offset.data(), offset.data()+size_info[0], bcast_buf.begin()+size_info[2]+size_info[1]+1); |
---|
904 | } |
---|
905 | |
---|
906 | MPI_Bcast(bcast_buf.data(), size_info[2]+size_info[1]+size_info[0]+1, MPI_INT_STD, local_leader, local_comm); |
---|
907 | |
---|
908 | |
---|
909 | if(!is_local_leader) |
---|
910 | { |
---|
911 | remote_ep_size = bcast_buf[0]; |
---|
912 | std::copy(bcast_buf.data()+1, bcast_buf.data()+1+size_info[2], new_rank_info[1].begin()); |
---|
913 | std::copy(bcast_buf.data()+1+size_info[2], bcast_buf.data()+1+size_info[2]+size_info[1], ep_info[1].begin()); |
---|
914 | std::copy(bcast_buf.data()+1+size_info[2]+size_info[1], bcast_buf.data()+1+size_info[2]+size_info[1]+size_info[0], offset.begin()); |
---|
915 | } |
---|
916 | |
---|
917 | |
---|
918 | int my_position = offset[rank_in_local_parent]+ep_rank_loc; |
---|
919 | |
---|
920 | |
---|
921 | MPI_Barrier_local(local_comm); |
---|
922 | #pragma omp flush |
---|
923 | |
---|
924 | |
---|
925 | #pragma omp critical (read_from_tag_list) |
---|
926 | { |
---|
927 | bool found = false; |
---|
928 | while(!found) |
---|
929 | { |
---|
930 | for(std::list<std::pair < std::pair<int,int>, MPI_Comm* > >::iterator iter = tag_list.begin(); iter!=tag_list.end(); iter++) |
---|
931 | { |
---|
932 | if((*iter).first == make_pair(tag, min(leader_info[0], leader_info[1]))) |
---|
933 | { |
---|
934 | *newintercomm = iter->second[my_position]; |
---|
935 | |
---|
936 | found = true; |
---|
937 | //tag_list.erase(iter); |
---|
938 | break; |
---|
939 | } |
---|
940 | } |
---|
941 | } |
---|
942 | } |
---|
943 | |
---|
944 | MPI_Barrier_local(local_comm); |
---|
945 | |
---|
946 | if(is_proc_master) |
---|
947 | { |
---|
948 | for(std::list<std::pair < std::pair<int,int>, MPI_Comm* > >::iterator iter = tag_list.begin(); iter!=tag_list.end(); iter++) |
---|
949 | { |
---|
950 | if((*iter).first == make_pair(tag, min(leader_info[0], leader_info[1]))) |
---|
951 | { |
---|
952 | tag_list.erase(iter); |
---|
953 | break; |
---|
954 | } |
---|
955 | } |
---|
956 | } |
---|
957 | |
---|
958 | int intercomm_ep_rank, intercomm_ep_rank_loc, intercomm_mpi_rank; |
---|
959 | int intercomm_ep_size, intercomm_num_ep, intercomm_mpi_size; |
---|
960 | |
---|
961 | intercomm_ep_rank = newintercomm->ep_comm_ptr->size_rank_info[0].first; |
---|
962 | intercomm_ep_rank_loc = newintercomm->ep_comm_ptr->size_rank_info[1].first; |
---|
963 | intercomm_mpi_rank = newintercomm->ep_comm_ptr->size_rank_info[2].first; |
---|
964 | intercomm_ep_size = newintercomm->ep_comm_ptr->size_rank_info[0].second; |
---|
965 | intercomm_num_ep = newintercomm->ep_comm_ptr->size_rank_info[1].second; |
---|
966 | intercomm_mpi_size = newintercomm->ep_comm_ptr->size_rank_info[2].second; |
---|
967 | |
---|
968 | |
---|
969 | MPI_Bcast(&remote_ep_size, 1, MPI_INT_STD, local_leader, local_comm); |
---|
970 | |
---|
971 | int my_rank_map_elem[2]; |
---|
972 | |
---|
973 | |
---|
974 | my_rank_map_elem[0] = intercomm_ep_rank; |
---|
975 | |
---|
976 | my_rank_map_elem[1] = (*newintercomm).ep_comm_ptr->comm_label; |
---|
977 | |
---|
978 | vector<pair<int, int> > local_rank_map_array; |
---|
979 | vector<pair<int, int> > remote_rank_map_array; |
---|
980 | |
---|
981 | |
---|
982 | (*newintercomm).ep_comm_ptr->intercomm->local_rank_map = new RANK_MAP; |
---|
983 | (*newintercomm).ep_comm_ptr->intercomm->local_rank_map->resize(local_ep_size); |
---|
984 | |
---|
985 | MPI_Allgather(my_rank_map_elem, 2, MPI_INT_STD, (*newintercomm).ep_comm_ptr->intercomm->local_rank_map->data(), 2, MPI_INT_STD, local_comm); |
---|
986 | |
---|
987 | (*newintercomm).ep_comm_ptr->intercomm->remote_rank_map = new RANK_MAP; |
---|
988 | (*newintercomm).ep_comm_ptr->intercomm->remote_rank_map->resize(remote_ep_size); |
---|
989 | |
---|
990 | int local_intercomm_size = intercomm_ep_size; |
---|
991 | int remote_intercomm_size; |
---|
992 | |
---|
993 | |
---|
994 | if(is_local_leader) |
---|
995 | { |
---|
996 | ::MPI_Status status; |
---|
997 | |
---|
998 | ::MPI_Send((*newintercomm).ep_comm_ptr->intercomm->local_rank_map->data(), 2*local_ep_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
999 | |
---|
1000 | ::MPI_Recv((*newintercomm).ep_comm_ptr->intercomm->remote_rank_map->data(), 2*remote_ep_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &status); |
---|
1001 | |
---|
1002 | ::MPI_Send(&local_intercomm_size, 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
1003 | |
---|
1004 | ::MPI_Recv(&remote_intercomm_size, 1, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &status); |
---|
1005 | } |
---|
1006 | |
---|
1007 | MPI_Bcast((*newintercomm).ep_comm_ptr->intercomm->remote_rank_map->data(), 2*remote_ep_size, MPI_INT_STD, local_leader, local_comm); |
---|
1008 | MPI_Bcast(&remote_intercomm_size, 1, MPI_INT_STD, 0, *newintercomm); |
---|
1009 | |
---|
1010 | |
---|
1011 | (*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map = new RANK_MAP; |
---|
1012 | (*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->resize(remote_intercomm_size); |
---|
1013 | |
---|
1014 | (*newintercomm).ep_comm_ptr->intercomm->size_rank_info[0] = local_comm.ep_comm_ptr->size_rank_info[0]; |
---|
1015 | (*newintercomm).ep_comm_ptr->intercomm->size_rank_info[1] = local_comm.ep_comm_ptr->size_rank_info[1]; |
---|
1016 | (*newintercomm).ep_comm_ptr->intercomm->size_rank_info[2] = local_comm.ep_comm_ptr->size_rank_info[2]; |
---|
1017 | |
---|
1018 | |
---|
1019 | if(is_local_leader) |
---|
1020 | { |
---|
1021 | ::MPI_Status status; |
---|
1022 | |
---|
1023 | ::MPI_Send((*newintercomm).rank_map->data(), 2*local_intercomm_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm); |
---|
1024 | |
---|
1025 | ::MPI_Recv((*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->data(), 2*remote_intercomm_size, MPI_INT_STD, mpi_remote_leader, tag, peer_comm, &status); |
---|
1026 | } |
---|
1027 | |
---|
1028 | MPI_Bcast((*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->data(), 2*remote_intercomm_size, MPI_INT_STD, 0, *newintercomm); |
---|
1029 | |
---|
1030 | (*newintercomm).ep_comm_ptr->intercomm->local_comm = &(local_comm.ep_comm_ptr->comm_list[ep_rank_loc]); |
---|
1031 | (*newintercomm).ep_comm_ptr->intercomm->intercomm_tag = local_comm.ep_comm_ptr->comm_label; |
---|
1032 | |
---|
1033 | |
---|
1034 | // for(int i=0; i<local_ep_size; i++) |
---|
1035 | // if(local_comm.ep_comm_ptr->comm_label != 99) printf("ep_rank = %d, remote_rank_map[%d] = (%d,%d)\n", intercomm_ep_rank, i, |
---|
1036 | // (*newintercomm).ep_comm_ptr->intercomm->local_rank_map->at(i).first, (*newintercomm).ep_comm_ptr->intercomm->local_rank_map->at(i).second); |
---|
1037 | |
---|
1038 | // for(int i=0; i<remote_intercomm_size; i++) |
---|
1039 | // if(local_comm.ep_comm_ptr->comm_label != 99) printf("ep_rank = %d, intercomm_rank_map[%d] = (%d,%d)\n", intercomm_ep_rank, i, |
---|
1040 | // (*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->at(i).first, (*newintercomm).ep_comm_ptr->intercomm->intercomm_rank_map->at(i).second); |
---|
1041 | |
---|
1042 | // for(int i=0; i<(*newintercomm).rank_map->size(); i++) |
---|
1043 | // if(local_comm.ep_comm_ptr->comm_label != 99) printf("ep_rank = %d, rank_map[%d] = (%d,%d)\n", intercomm_ep_rank, i, |
---|
1044 | // (*newintercomm).rank_map->at(i).first, (*newintercomm).rank_map->at(i).second); |
---|
1045 | |
---|
1046 | |
---|
1047 | |
---|
1048 | |
---|
1049 | |
---|
1050 | return MPI_SUCCESS; |
---|
1051 | |
---|
1052 | } |
---|
1053 | |
---|
1054 | #endif |
---|
1055 | |
---|
1056 | } |
---|
1057 | |
---|