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 | #include "ep_mpi.hpp" |
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5 | |
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6 | namespace ep_lib |
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7 | { |
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8 | |
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9 | int MPI_Comm_dup_mpi(MPI_Comm comm, MPI_Comm *newcomm) |
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10 | { |
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11 | newcomm = new MPI_Comm; |
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12 | (*newcomm)->is_ep = false; |
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13 | |
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14 | ::MPI_Comm *output = new ::MPI_Comm; |
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15 | |
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16 | ::MPI_Comm_dup(to_mpi_comm(comm->mpi_comm), output); |
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17 | |
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18 | (*newcomm)->mpi_comm = output; |
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19 | } |
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20 | |
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21 | int MPI_Comm_dup_intracomm(MPI_Comm comm, MPI_Comm *newcomm) |
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22 | { |
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23 | int ep_rank_loc = comm->ep_comm_ptr->size_rank_info[1].first; |
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24 | int num_ep = comm->ep_comm_ptr->size_rank_info[1].second; |
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25 | |
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26 | |
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27 | if(0 == ep_rank_loc) |
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28 | { |
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29 | MPI_Info info; |
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30 | MPI_Comm *out_comm; |
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31 | |
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32 | MPI_Comm_create_endpoints(comm->mpi_comm, num_ep, info, out_comm); |
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33 | comm->ep_comm_ptr->comm_list[0]->mem_bridge = out_comm; |
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34 | } |
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35 | |
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36 | MPI_Barrier_local(comm); |
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37 | |
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38 | *newcomm = (comm->ep_comm_ptr->comm_list[0]->mem_bridge[ep_rank_loc]); |
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39 | |
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40 | } |
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41 | |
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42 | int MPI_Comm_dup(MPI_Comm comm, MPI_Comm *newcomm) |
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43 | { |
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44 | |
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45 | if(!comm->is_ep) |
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46 | { |
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47 | Debug("MPI_Comm_dup with MPI\n"); |
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48 | return MPI_Comm_dup_mpi(comm, newcomm); |
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49 | } |
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50 | |
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51 | if(comm->is_intercomm) return MPI_Comm_dup_intercomm(comm, newcomm); |
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52 | |
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53 | |
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54 | return MPI_Comm_dup_intracomm(comm, newcomm); |
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55 | |
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56 | |
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57 | } |
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58 | |
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59 | int MPI_Comm_dup_intercomm(MPI_Comm comm, MPI_Comm *newcomm) |
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60 | { |
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61 | |
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62 | int newcomm_ep_rank =comm->ep_comm_ptr->intercomm->size_rank_info[0].first; |
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63 | int newcomm_ep_rank_loc = comm->ep_comm_ptr->intercomm->size_rank_info[1].first; |
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64 | int newcomm_num_ep = comm->ep_comm_ptr->intercomm->size_rank_info[1].second; |
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65 | |
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66 | |
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67 | if(0 == newcomm_ep_rank_loc) |
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68 | { |
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69 | //printf("in dup , newcomm_ep_rank_loc = 0 : ep %d\n", comm->ep_comm_ptr->intercomm->size_rank_info[0].first); |
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70 | |
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71 | MPI_Info info; |
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72 | MPI_Comm *out_comm; |
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73 | |
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74 | MPI_Comm_create_endpoints(comm->mpi_comm, newcomm_num_ep, info, out_comm); |
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75 | |
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76 | ::MPI_Comm *mpi_inter_comm = new ::MPI_Comm; |
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77 | ::MPI_Comm_dup(to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), mpi_inter_comm); |
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78 | |
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79 | for(int i=0; i<newcomm_num_ep; i++) |
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80 | { |
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81 | out_comm[i]->is_intercomm = true; |
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82 | out_comm[i]->ep_comm_ptr->comm_label = comm->ep_comm_ptr->comm_list[i]->ep_comm_ptr->comm_label; |
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83 | out_comm[i]->ep_comm_ptr->intercomm = new ep_lib::ep_intercomm; |
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84 | #ifdef _showinfo |
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85 | printf("new out_comm[%d]->ep_comm_ptr->intercomm = %p\n", i, out_comm[i]->ep_comm_ptr->intercomm); |
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86 | #endif |
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87 | out_comm[i]->ep_comm_ptr->intercomm->mpi_inter_comm = mpi_inter_comm; |
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88 | } |
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89 | |
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90 | |
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91 | comm->ep_comm_ptr->comm_list[0]->mem_bridge = out_comm; |
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92 | } |
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93 | |
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94 | MPI_Barrier_local(comm); |
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95 | |
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96 | *newcomm = (comm->ep_comm_ptr->comm_list[0]->mem_bridge[newcomm_ep_rank_loc]); |
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97 | |
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98 | (*newcomm)->ep_comm_ptr->size_rank_info[0] = comm->ep_comm_ptr->size_rank_info[0]; |
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99 | (*newcomm)->ep_comm_ptr->size_rank_info[1] = comm->ep_comm_ptr->size_rank_info[1]; |
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100 | (*newcomm)->ep_comm_ptr->size_rank_info[2] = comm->ep_comm_ptr->size_rank_info[2]; |
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101 | |
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102 | (*newcomm)->ep_comm_ptr->intercomm->size_rank_info[0] = comm->ep_comm_ptr->intercomm->size_rank_info[0]; |
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103 | (*newcomm)->ep_comm_ptr->intercomm->size_rank_info[1] = comm->ep_comm_ptr->intercomm->size_rank_info[1]; |
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104 | (*newcomm)->ep_comm_ptr->intercomm->size_rank_info[2] = comm->ep_comm_ptr->intercomm->size_rank_info[2]; |
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105 | |
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106 | (*newcomm)->ep_comm_ptr->intercomm->intercomm_tag = comm->ep_comm_ptr->intercomm->intercomm_tag; |
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107 | |
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108 | |
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109 | int ep_rank_loc = (*newcomm)->ep_comm_ptr->size_rank_info[1].first; |
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110 | |
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111 | if(ep_rank_loc == 0) |
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112 | { |
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113 | int world_rank; |
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114 | MPI_Comm_rank(MPI_COMM_WORLD, &world_rank); |
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115 | |
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116 | (*newcomm)->ep_comm_ptr->intercomm->intercomm_rank_map = new INTERCOMM_RANK_MAP; |
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117 | (*newcomm)->ep_comm_ptr->intercomm->local_rank_map = new EP_RANK_MAP; |
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118 | |
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119 | *(*newcomm)->ep_comm_ptr->intercomm->intercomm_rank_map = *comm->ep_comm_ptr->intercomm->intercomm_rank_map; |
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120 | *(*newcomm)->ep_comm_ptr->intercomm->local_rank_map = *comm->ep_comm_ptr->intercomm->local_rank_map; |
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121 | } |
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122 | |
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123 | MPI_Barrier_local(comm); |
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124 | |
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125 | if(ep_rank_loc !=0 ) |
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126 | { |
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127 | int target = (*newcomm)->ep_comm_ptr->intercomm->intercomm_tag; |
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128 | (*newcomm)->ep_comm_ptr->intercomm->intercomm_rank_map = (*newcomm)->ep_comm_ptr->comm_list[target]->ep_comm_ptr->intercomm->intercomm_rank_map; |
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129 | (*newcomm)->ep_comm_ptr->intercomm->local_rank_map = (*newcomm)->ep_comm_ptr->comm_list[target]->ep_comm_ptr->intercomm->local_rank_map; |
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130 | } |
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131 | |
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132 | |
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133 | |
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134 | |
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135 | |
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136 | |
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137 | } |
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138 | |
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139 | |
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140 | |
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141 | } |
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142 | |
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143 | |
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