[1134] | 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 | |
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| 8 | namespace ep_lib { |
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| 9 | |
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| 10 | int MPI_Intercomm_merge_unique_leader(MPI_Comm inter_comm, bool high, MPI_Comm *newintracomm) |
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| 11 | { |
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| 12 | Debug("intercomm_merge with unique leader\n"); |
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| 13 | |
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| 14 | |
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| 15 | |
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| 16 | int ep_rank, ep_rank_loc, mpi_rank; |
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| 17 | int ep_size, num_ep, mpi_size; |
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| 18 | |
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| 19 | ep_rank = inter_comm.ep_comm_ptr->size_rank_info[0].first; |
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| 20 | ep_rank_loc = inter_comm.ep_comm_ptr->size_rank_info[1].first; |
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| 21 | mpi_rank = inter_comm.ep_comm_ptr->size_rank_info[2].first; |
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| 22 | ep_size = inter_comm.ep_comm_ptr->size_rank_info[0].second; |
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| 23 | num_ep = inter_comm.ep_comm_ptr->size_rank_info[1].second; |
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| 24 | mpi_size = inter_comm.ep_comm_ptr->size_rank_info[2].second; |
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| 25 | |
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| 26 | int local_high = high; |
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| 27 | int remote_high; |
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| 28 | |
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| 29 | int remote_ep_size = inter_comm.ep_comm_ptr->intercomm->remote_rank_map->size(); |
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| 30 | |
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| 31 | int local_ep_rank, local_ep_rank_loc, local_mpi_rank; |
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| 32 | int local_ep_size, local_num_ep, local_mpi_size; |
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| 33 | |
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| 34 | local_ep_rank = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[0].first; |
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| 35 | local_ep_rank_loc = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].first; |
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| 36 | local_mpi_rank = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[2].first; |
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| 37 | local_ep_size = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[0].second; |
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| 38 | local_num_ep = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].second; |
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| 39 | local_mpi_size = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[2].second; |
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| 40 | |
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| 41 | |
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| 42 | if(local_ep_rank == 0) |
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| 43 | { |
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| 44 | MPI_Status status; |
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| 45 | MPI_Request req_s, req_r; |
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| 46 | MPI_Isend(&local_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &req_s); |
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| 47 | MPI_Irecv(&remote_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &req_r); |
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| 48 | |
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| 49 | MPI_Wait(&req_s, &status); |
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| 50 | MPI_Wait(&req_r, &status); |
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| 51 | } |
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| 52 | |
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| 53 | |
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| 54 | MPI_Bcast(&remote_high, 1, MPI_INT, 0, *(inter_comm.ep_comm_ptr->intercomm->local_comm)); |
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| 55 | |
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| 56 | // printf("%d, %d, %d, %d\n", local_ep_size, remote_ep_size, local_high, remote_high); |
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| 57 | |
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| 58 | |
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| 59 | MPI_Comm_dup(inter_comm, newintracomm); |
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| 60 | |
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| 61 | int my_ep_rank = local_high<remote_high? local_ep_rank: local_ep_rank+remote_ep_size; |
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| 62 | |
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| 63 | |
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| 64 | int intra_ep_rank, intra_ep_rank_loc, intra_mpi_rank; |
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| 65 | int intra_ep_size, intra_num_ep, intra_mpi_size; |
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| 66 | |
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| 67 | intra_ep_rank = newintracomm->ep_comm_ptr->size_rank_info[0].first; |
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| 68 | intra_ep_rank_loc = newintracomm->ep_comm_ptr->size_rank_info[1].first; |
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| 69 | intra_mpi_rank = newintracomm->ep_comm_ptr->size_rank_info[2].first; |
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| 70 | intra_ep_size = newintracomm->ep_comm_ptr->size_rank_info[0].second; |
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| 71 | intra_num_ep = newintracomm->ep_comm_ptr->size_rank_info[1].second; |
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| 72 | intra_mpi_size = newintracomm->ep_comm_ptr->size_rank_info[2].second; |
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| 73 | |
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| 74 | |
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| 75 | MPI_Barrier_local(*newintracomm); |
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| 76 | |
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| 77 | |
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| 78 | int *reorder; |
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| 79 | if(intra_ep_rank_loc == 0) |
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| 80 | { |
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| 81 | reorder = new int[intra_ep_size]; |
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| 82 | } |
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| 83 | |
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| 84 | |
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| 85 | MPI_Gather(&my_ep_rank, 1, MPI_INT, reorder, 1, MPI_INT, 0, *newintracomm); |
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| 86 | if(intra_ep_rank_loc == 0) |
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| 87 | { |
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| 88 | ::MPI_Bcast(reorder, intra_ep_size, MPI_INT_STD, 0, static_cast< ::MPI_Comm>(newintracomm->mpi_comm)); |
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| 89 | |
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| 90 | vector< pair<int, int> > tmp_rank_map(intra_ep_size); |
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| 91 | |
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| 92 | |
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| 93 | for(int i=0; i<intra_ep_size; i++) |
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| 94 | { |
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| 95 | tmp_rank_map[reorder[i]] = newintracomm->rank_map->at(i) ; |
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| 96 | } |
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| 97 | |
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| 98 | newintracomm->rank_map->swap(tmp_rank_map); |
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| 99 | |
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| 100 | tmp_rank_map.clear(); |
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| 101 | } |
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| 102 | |
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| 103 | MPI_Barrier_local(*newintracomm); |
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| 104 | |
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| 105 | (*newintracomm).ep_comm_ptr->size_rank_info[0].first = my_ep_rank; |
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| 106 | |
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| 107 | if(intra_ep_rank_loc == 0) |
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| 108 | { |
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| 109 | delete[] reorder; |
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| 110 | } |
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| 111 | |
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| 112 | return MPI_SUCCESS; |
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| 113 | } |
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| 114 | |
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| 115 | |
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| 116 | |
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| 117 | |
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| 118 | |
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| 119 | int MPI_Intercomm_merge(MPI_Comm inter_comm, bool high, MPI_Comm *newintracomm) |
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| 120 | { |
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| 121 | |
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| 122 | assert(inter_comm.is_intercomm); |
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| 123 | |
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| 124 | if(inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->comm_label == -99) |
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| 125 | { |
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| 126 | return MPI_Intercomm_merge_unique_leader(inter_comm, high, newintracomm); |
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| 127 | } |
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| 128 | |
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| 129 | |
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| 130 | Debug("intercomm_merge kernel\n"); |
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| 131 | |
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| 132 | int ep_rank, ep_rank_loc, mpi_rank; |
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| 133 | int ep_size, num_ep, mpi_size; |
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| 134 | |
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| 135 | ep_rank = inter_comm.ep_comm_ptr->size_rank_info[0].first; |
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| 136 | ep_rank_loc = inter_comm.ep_comm_ptr->size_rank_info[1].first; |
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| 137 | mpi_rank = inter_comm.ep_comm_ptr->size_rank_info[2].first; |
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| 138 | ep_size = inter_comm.ep_comm_ptr->size_rank_info[0].second; |
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| 139 | num_ep = inter_comm.ep_comm_ptr->size_rank_info[1].second; |
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| 140 | mpi_size = inter_comm.ep_comm_ptr->size_rank_info[2].second; |
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| 141 | |
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| 142 | |
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| 143 | int local_ep_rank, local_ep_rank_loc, local_mpi_rank; |
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| 144 | int local_ep_size, local_num_ep, local_mpi_size; |
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| 145 | |
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| 146 | |
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| 147 | local_ep_rank = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[0].first; |
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| 148 | local_ep_rank_loc = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].first; |
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| 149 | local_mpi_rank = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[2].first; |
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| 150 | local_ep_size = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[0].second; |
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| 151 | local_num_ep = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].second; |
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| 152 | local_mpi_size = inter_comm.ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[2].second; |
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| 153 | |
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| 154 | int remote_ep_size = inter_comm.ep_comm_ptr->intercomm->remote_rank_map->size(); |
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| 155 | |
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| 156 | int local_high = high; |
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| 157 | int remote_high; |
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| 158 | |
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| 159 | MPI_Barrier(inter_comm); |
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| 160 | |
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| 161 | // if(local_ep_rank == 0 && high == false) |
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| 162 | // { |
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| 163 | // MPI_Status status; |
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| 164 | // MPI_Send(&local_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm); |
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| 165 | // MPI_Recv(&remote_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &status); |
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| 166 | // } |
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| 167 | // |
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| 168 | // if(local_ep_rank == 0 && high == true) |
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| 169 | // { |
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| 170 | // MPI_Status status; |
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| 171 | // MPI_Recv(&remote_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &status); |
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| 172 | // MPI_Send(&local_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm); |
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| 173 | // } |
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| 174 | |
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| 175 | if(local_ep_rank == 0) |
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| 176 | { |
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| 177 | MPI_Status status; |
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| 178 | MPI_Request req_s, req_r; |
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| 179 | MPI_Isend(&local_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &req_s); |
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| 180 | MPI_Irecv(&remote_high, 1, MPI_INT, 0, inter_comm.ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &req_r); |
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| 181 | |
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| 182 | MPI_Wait(&req_s, &status); |
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| 183 | MPI_Wait(&req_r, &status); |
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| 184 | } |
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| 185 | |
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| 186 | MPI_Bcast(&remote_high, 1, MPI_INT, 0, *(inter_comm.ep_comm_ptr->intercomm->local_comm)); |
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| 187 | |
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| 188 | int intercomm_high; |
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| 189 | if(ep_rank == 0) intercomm_high = local_high; |
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| 190 | MPI_Bcast(&intercomm_high, 1, MPI_INT, 0, inter_comm); |
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| 191 | |
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| 192 | //printf("remote_ep_size = %d, local_high = %d, remote_high = %d, intercomm_high = %d\n", remote_ep_size, local_high, remote_high, intercomm_high); |
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| 193 | |
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| 194 | |
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| 195 | ::MPI_Comm mpi_intracomm; |
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| 196 | MPI_Comm *ep_intracomm; |
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| 197 | |
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| 198 | if(ep_rank_loc == 0) |
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| 199 | { |
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| 200 | |
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| 201 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm>(inter_comm.ep_comm_ptr->intercomm->mpi_inter_comm); |
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| 202 | |
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| 203 | ::MPI_Intercomm_merge(mpi_comm, intercomm_high, &mpi_intracomm); |
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| 204 | MPI_Info info; |
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| 205 | MPI_Comm_create_endpoints(mpi_intracomm, num_ep, info, ep_intracomm); |
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| 206 | |
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| 207 | inter_comm.ep_comm_ptr->comm_list->mem_bridge = ep_intracomm; |
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| 208 | |
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| 209 | } |
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| 210 | |
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| 211 | |
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| 212 | |
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| 213 | MPI_Barrier_local(inter_comm); |
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| 214 | |
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| 215 | *newintracomm = inter_comm.ep_comm_ptr->comm_list->mem_bridge[ep_rank_loc]; |
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| 216 | |
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| 217 | int my_ep_rank = local_high<remote_high? local_ep_rank: local_ep_rank+remote_ep_size; |
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| 218 | |
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| 219 | int intra_ep_rank, intra_ep_rank_loc, intra_mpi_rank; |
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| 220 | int intra_ep_size, intra_num_ep, intra_mpi_size; |
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| 221 | |
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| 222 | intra_ep_rank = newintracomm->ep_comm_ptr->size_rank_info[0].first; |
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| 223 | intra_ep_rank_loc = newintracomm->ep_comm_ptr->size_rank_info[1].first; |
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| 224 | intra_mpi_rank = newintracomm->ep_comm_ptr->size_rank_info[2].first; |
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| 225 | intra_ep_size = newintracomm->ep_comm_ptr->size_rank_info[0].second; |
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| 226 | intra_num_ep = newintracomm->ep_comm_ptr->size_rank_info[1].second; |
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| 227 | intra_mpi_size = newintracomm->ep_comm_ptr->size_rank_info[2].second; |
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| 228 | |
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| 229 | |
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| 230 | |
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| 231 | MPI_Barrier_local(*newintracomm); |
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| 232 | |
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| 233 | |
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| 234 | int *reorder; |
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| 235 | if(intra_ep_rank_loc == 0) |
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| 236 | { |
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| 237 | reorder = new int[intra_ep_size]; |
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| 238 | } |
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| 239 | |
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| 240 | |
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| 241 | |
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| 242 | MPI_Gather(&my_ep_rank, 1, MPI_INT, reorder, 1, MPI_INT, 0, *newintracomm); |
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| 243 | if(intra_ep_rank_loc == 0) |
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| 244 | { |
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| 245 | |
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| 246 | ::MPI_Bcast(reorder, intra_ep_size, MPI_INT_STD, 0, static_cast< ::MPI_Comm>(newintracomm->mpi_comm)); |
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| 247 | |
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| 248 | vector< pair<int, int> > tmp_rank_map(intra_ep_size); |
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| 249 | |
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| 250 | |
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| 251 | for(int i=0; i<intra_ep_size; i++) |
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| 252 | { |
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| 253 | tmp_rank_map[reorder[i]] = newintracomm->rank_map->at(i) ; |
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| 254 | } |
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| 255 | |
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| 256 | newintracomm->rank_map->swap(tmp_rank_map); |
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| 257 | |
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| 258 | tmp_rank_map.clear(); |
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| 259 | } |
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| 260 | |
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| 261 | MPI_Barrier_local(*newintracomm); |
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| 262 | |
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| 263 | (*newintracomm).ep_comm_ptr->size_rank_info[0].first = my_ep_rank; |
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| 264 | |
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| 265 | |
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| 266 | if(intra_ep_rank_loc == 0) |
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| 267 | { |
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| 268 | delete[] reorder; |
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| 269 | |
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| 270 | } |
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| 271 | |
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| 272 | /* |
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| 273 | if(intra_ep_rank == 0) |
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| 274 | { |
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| 275 | for(int i=0; i<intra_ep_size; i++) |
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| 276 | { |
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| 277 | printf("intra rank_map[%d] = (%d, %d)\n", i, newintracomm->rank_map->at(i).first, newintracomm->rank_map->at(i).second); |
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| 278 | } |
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| 279 | } |
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| 280 | */ |
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| 281 | return MPI_SUCCESS; |
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| 282 | |
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| 283 | } |
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| 284 | |
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| 285 | |
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| 286 | } |
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