[1381] | 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 | using namespace std; |
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| 7 | |
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| 8 | |
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| 9 | namespace ep_lib { |
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| 10 | |
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| 11 | int MPI_Intercomm_merge_unique_leader(MPI_Comm inter_comm, bool high, MPI_Comm *newintracomm) |
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| 12 | { |
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| 13 | Debug("intercomm_merge with unique leader\n"); |
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| 14 | |
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| 15 | |
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| 16 | |
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| 17 | int ep_rank, ep_rank_loc, mpi_rank; |
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| 18 | int ep_size, num_ep, mpi_size; |
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| 19 | |
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[1500] | 20 | ep_rank = inter_comm->ep_comm_ptr->size_rank_info[0].first; |
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| 21 | ep_rank_loc = inter_comm->ep_comm_ptr->size_rank_info[1].first; |
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| 22 | mpi_rank = inter_comm->ep_comm_ptr->size_rank_info[2].first; |
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| 23 | ep_size = inter_comm->ep_comm_ptr->size_rank_info[0].second; |
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| 24 | num_ep = inter_comm->ep_comm_ptr->size_rank_info[1].second; |
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| 25 | mpi_size = inter_comm->ep_comm_ptr->size_rank_info[2].second; |
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[1381] | 26 | |
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| 27 | int local_high = high; |
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| 28 | int remote_high; |
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| 29 | |
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[1500] | 30 | int remote_ep_size = inter_comm->ep_comm_ptr->intercomm->remote_rank_map->size(); |
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[1381] | 31 | |
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| 32 | int local_ep_rank, local_ep_rank_loc, local_mpi_rank; |
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| 33 | int local_ep_size, local_num_ep, local_mpi_size; |
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| 34 | |
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[1500] | 35 | local_ep_rank = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[0].first; |
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| 36 | local_ep_rank_loc = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].first; |
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| 37 | local_mpi_rank = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[2].first; |
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| 38 | local_ep_size = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[0].second; |
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| 39 | local_num_ep = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].second; |
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| 40 | local_mpi_size = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[2].second; |
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[1381] | 41 | |
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| 42 | |
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| 43 | if(local_ep_rank == 0) |
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| 44 | { |
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| 45 | MPI_Status status[2]; |
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| 46 | MPI_Request request[2]; |
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[1500] | 47 | MPI_Isend(&local_high, 1, MPI_INT, 0, inter_comm->ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &request[0]); |
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| 48 | MPI_Irecv(&remote_high, 1, MPI_INT, 0, inter_comm->ep_comm_ptr->intercomm->intercomm_tag, inter_comm, &request[1]); |
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[1381] | 49 | |
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| 50 | MPI_Waitall(2, request, status); |
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| 51 | } |
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| 52 | |
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| 53 | |
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[1500] | 54 | MPI_Bcast(&remote_high, 1, MPI_INT, 0, inter_comm->ep_comm_ptr->intercomm->local_comm); |
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[1381] | 55 | |
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| 56 | |
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| 57 | |
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| 58 | MPI_Comm_dup(inter_comm, newintracomm); |
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| 59 | |
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| 60 | int my_ep_rank = local_high<remote_high? local_ep_rank: local_ep_rank+remote_ep_size; |
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| 61 | |
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| 62 | |
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| 63 | int intra_ep_rank, intra_ep_rank_loc, intra_mpi_rank; |
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| 64 | int intra_ep_size, intra_num_ep, intra_mpi_size; |
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| 65 | |
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[1500] | 66 | intra_ep_rank = (*newintracomm)->ep_comm_ptr->size_rank_info[0].first; |
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| 67 | intra_ep_rank_loc = (*newintracomm)->ep_comm_ptr->size_rank_info[1].first; |
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| 68 | intra_mpi_rank = (*newintracomm)->ep_comm_ptr->size_rank_info[2].first; |
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| 69 | intra_ep_size = (*newintracomm)->ep_comm_ptr->size_rank_info[0].second; |
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| 70 | intra_num_ep = (*newintracomm)->ep_comm_ptr->size_rank_info[1].second; |
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| 71 | intra_mpi_size = (*newintracomm)->ep_comm_ptr->size_rank_info[2].second; |
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[1381] | 72 | |
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| 73 | |
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| 74 | MPI_Barrier_local(*newintracomm); |
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| 75 | |
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| 76 | |
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| 77 | int *reorder; |
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| 78 | if(intra_ep_rank_loc == 0) |
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| 79 | { |
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| 80 | reorder = new int[intra_ep_size]; |
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| 81 | } |
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| 82 | |
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| 83 | |
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| 84 | MPI_Gather(&my_ep_rank, 1, MPI_INT, reorder, 1, MPI_INT, 0, *newintracomm); |
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| 85 | if(intra_ep_rank_loc == 0) |
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| 86 | { |
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[1500] | 87 | ::MPI_Bcast(reorder, intra_ep_size, to_mpi_type(MPI_INT), 0, to_mpi_comm((*newintracomm)->mpi_comm)); |
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[1381] | 88 | |
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| 89 | vector< pair<int, int> > tmp_rank_map(intra_ep_size); |
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| 90 | |
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| 91 | |
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| 92 | for(int i=0; i<intra_ep_size; i++) |
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| 93 | { |
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[1503] | 94 | tmp_rank_map[reorder[i]] = (*newintracomm)->ep_rank_map->at(i) ; |
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[1381] | 95 | } |
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| 96 | |
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[1503] | 97 | //(*newintracomm)->rank_map->swap(tmp_rank_map); |
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| 98 | (*newintracomm)->ep_rank_map->clear(); |
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| 99 | for(int i=0; i<tmp_rank_map.size(); i++) |
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| 100 | { |
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| 101 | (*newintracomm)->ep_rank_map->insert(std::pair< int, std::pair<int,int> >(i, tmp_rank_map[i].first, tmp_rank_map[i].second)); |
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| 102 | } |
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| 103 | |
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[1381] | 104 | |
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| 105 | tmp_rank_map.clear(); |
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| 106 | } |
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| 107 | |
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| 108 | MPI_Barrier_local(*newintracomm); |
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| 109 | |
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[1500] | 110 | (*newintracomm)->ep_comm_ptr->size_rank_info[0].first = my_ep_rank; |
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[1381] | 111 | |
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| 112 | if(intra_ep_rank_loc == 0) |
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| 113 | { |
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| 114 | delete[] reorder; |
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| 115 | } |
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| 116 | |
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| 117 | return MPI_SUCCESS; |
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| 118 | } |
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| 119 | |
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| 120 | |
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| 121 | |
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| 122 | |
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| 123 | |
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| 124 | int MPI_Intercomm_merge(MPI_Comm inter_comm, bool high, MPI_Comm *newintracomm) |
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| 125 | { |
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| 126 | |
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[1500] | 127 | assert(inter_comm->is_intercomm); |
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[1381] | 128 | |
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[1500] | 129 | if(inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->comm_label == -99) |
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[1381] | 130 | { |
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| 131 | return MPI_Intercomm_merge_unique_leader(inter_comm, high, newintracomm); |
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| 132 | } |
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| 133 | |
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| 134 | |
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| 135 | Debug("intercomm_merge kernel\n"); |
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| 136 | |
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| 137 | int ep_rank_loc; |
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| 138 | int num_ep; |
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| 139 | |
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[1500] | 140 | ep_rank_loc = inter_comm->ep_comm_ptr->size_rank_info[1].first; |
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| 141 | num_ep = inter_comm->ep_comm_ptr->size_rank_info[1].second; |
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[1381] | 142 | |
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| 143 | |
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| 144 | |
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[1500] | 145 | int remote_ep_size = inter_comm->ep_comm_ptr->intercomm->remote_rank_map->size(); |
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[1381] | 146 | |
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| 147 | |
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| 148 | MPI_Barrier(inter_comm); |
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| 149 | |
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| 150 | |
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| 151 | ::MPI_Comm *mpi_intracomm = new ::MPI_Comm; |
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| 152 | MPI_Comm *ep_intracomm; |
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| 153 | |
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| 154 | if(ep_rank_loc == 0) |
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| 155 | { |
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| 156 | |
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[1500] | 157 | ::MPI_Comm mpi_comm = to_mpi_comm(inter_comm->ep_comm_ptr->intercomm->mpi_inter_comm); |
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[1381] | 158 | |
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| 159 | ::MPI_Intercomm_merge(mpi_comm, high, mpi_intracomm); |
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| 160 | MPI_Info info; |
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| 161 | MPI_Comm_create_endpoints(mpi_intracomm, num_ep, info, ep_intracomm); |
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| 162 | |
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[1500] | 163 | inter_comm->ep_comm_ptr->comm_list[0]->mem_bridge = ep_intracomm; |
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[1381] | 164 | |
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| 165 | } |
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| 166 | |
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| 167 | MPI_Barrier_local(inter_comm); |
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| 168 | |
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| 169 | int inter_rank; |
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| 170 | MPI_Comm_rank(inter_comm, &inter_rank); |
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| 171 | |
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| 172 | int my_ep_rank = high? inter_rank+remote_ep_size : inter_rank; |
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[1500] | 173 | int my_ep_rank_loc = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].first; |
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| 174 | int my_num_ep_loc = inter_comm->ep_comm_ptr->intercomm->local_comm->ep_comm_ptr->size_rank_info[1].second; |
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| 175 | int my_num_ep_total = inter_comm->ep_comm_ptr->comm_list[0]->mem_bridge[0]->ep_comm_ptr->size_rank_info[1].second; |
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| 176 | int my_ep_size = inter_comm->ep_comm_ptr->comm_list[0]->mem_bridge[0]->ep_comm_ptr->size_rank_info[0].second; |
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[1381] | 177 | |
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| 178 | int tmp_intra_ep_rank_loc = high?my_ep_rank_loc+my_num_ep_total-my_num_ep_loc: my_ep_rank_loc; |
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| 179 | |
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| 180 | |
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[1500] | 181 | *newintracomm = inter_comm->ep_comm_ptr->comm_list[0]->mem_bridge[tmp_intra_ep_rank_loc]; |
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[1381] | 182 | |
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[1500] | 183 | int newintracomm_ep_rank = (*newintracomm)->ep_comm_ptr->size_rank_info[0].first; |
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| 184 | int newintracomm_ep_rank_loc = (*newintracomm)->ep_comm_ptr->size_rank_info[1].first; |
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| 185 | int newintracomm_mpi_rank = (*newintracomm)->ep_comm_ptr->size_rank_info[2].first; |
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| 186 | int newintracomm_ep_size = (*newintracomm)->ep_comm_ptr->size_rank_info[0].second; |
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| 187 | int newintracomm_num_ep = (*newintracomm)->ep_comm_ptr->size_rank_info[1].second; |
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| 188 | int newintracomm_mpi_size = (*newintracomm)->ep_comm_ptr->size_rank_info[2].second; |
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[1381] | 189 | |
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| 190 | |
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| 191 | int buf[3]; |
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| 192 | buf[0] = my_ep_rank; |
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| 193 | buf[1] = tmp_intra_ep_rank_loc; |
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[1500] | 194 | buf[2] = (*newintracomm)->ep_comm_ptr->size_rank_info[2].first; |
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[1381] | 195 | |
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| 196 | // printf("my_ep_rank = %d, tmp_intra_ep_rank_loc = %d, mpi_rank = %d\n", my_ep_rank, tmp_intra_ep_rank_loc, newintracomm->ep_comm_ptr->size_rank_info[2].first); |
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| 197 | |
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| 198 | int *rankmap_buf; |
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| 199 | rankmap_buf = new int [3*my_ep_size]; |
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| 200 | |
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| 201 | MPI_Allgather(buf, 3, MPI_INT, rankmap_buf, 3, MPI_INT, *newintracomm); |
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| 202 | |
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| 203 | |
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| 204 | // printf(" ID = %d : rankmap_buf = (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d), (%d %d %d)\n", newintracomm_ep_rank, |
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| 205 | // rankmap_buf[0], rankmap_buf[1], rankmap_buf[2], rankmap_buf[3], rankmap_buf[4], rankmap_buf[5], rankmap_buf[6], rankmap_buf[7], rankmap_buf[8], rankmap_buf[9], |
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| 206 | // rankmap_buf[10], rankmap_buf[11], rankmap_buf[12], rankmap_buf[13], rankmap_buf[14], rankmap_buf[15], rankmap_buf[16], rankmap_buf[17], rankmap_buf[18], rankmap_buf[19], |
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| 207 | // rankmap_buf[20], rankmap_buf[21], rankmap_buf[22], rankmap_buf[23], rankmap_buf[24], rankmap_buf[25], rankmap_buf[26], rankmap_buf[27], rankmap_buf[28], rankmap_buf[29], |
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| 208 | // rankmap_buf[30], rankmap_buf[31], rankmap_buf[32], rankmap_buf[33], rankmap_buf[34], rankmap_buf[35], rankmap_buf[36], rankmap_buf[37], rankmap_buf[38], rankmap_buf[39], |
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| 209 | // rankmap_buf[40], rankmap_buf[41], rankmap_buf[42], rankmap_buf[43], rankmap_buf[44], rankmap_buf[45], rankmap_buf[46], rankmap_buf[47]); |
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| 210 | |
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| 211 | |
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| 212 | for(int i=0; i<newintracomm_ep_size; i++) |
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| 213 | { |
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[1503] | 214 | (*newintracomm)->ep_rank_map->at(rankmap_buf[3*i]).first = rankmap_buf[3*i+1]; |
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| 215 | (*newintracomm)->ep_rank_map->at(rankmap_buf[3*i]).second = rankmap_buf[3*i+2]; |
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[1381] | 216 | } |
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| 217 | |
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| 218 | |
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[1500] | 219 | (*newintracomm)->ep_comm_ptr->size_rank_info[0].first = my_ep_rank; |
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| 220 | (*newintracomm)->ep_comm_ptr->size_rank_info[1].first = tmp_intra_ep_rank_loc; |
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[1381] | 221 | |
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| 222 | |
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| 223 | delete[] rankmap_buf; |
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| 224 | |
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| 225 | |
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| 226 | return MPI_SUCCESS; |
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| 227 | |
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| 228 | } |
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| 229 | |
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| 230 | |
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| 231 | } |
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