[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 | namespace ep_lib |
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| 6 | { |
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| 7 | |
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| 8 | int MPI_Comm_dup(MPI_Comm comm, MPI_Comm *newcomm) |
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| 9 | { |
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| 10 | if(!comm.is_ep) |
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| 11 | { |
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| 12 | Debug("Comm_dup MPI\n"); |
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| 13 | newcomm = new MPI_Comm; |
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| 14 | newcomm->is_ep = comm.is_ep; |
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| 15 | |
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| 16 | ::MPI_Comm input = static_cast< ::MPI_Comm>(comm.mpi_comm); |
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| 17 | ::MPI_Comm output; |
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| 18 | |
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| 19 | |
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| 20 | ::MPI_Comm_dup(input, &output); |
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| 21 | |
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| 22 | newcomm->mpi_comm = output; |
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| 23 | |
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| 24 | return 0; |
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| 25 | } |
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| 26 | |
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| 27 | if(comm.is_intercomm) return MPI_Comm_dup_intercomm(comm, newcomm); |
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| 28 | |
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| 29 | // for intracomm |
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| 30 | if(comm.mpi_comm == MPI_COMM_NULL_STD) return 0; |
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| 31 | |
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| 32 | |
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| 33 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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| 34 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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| 35 | |
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| 36 | |
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| 37 | if(0 == my_rank) |
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| 38 | { |
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| 39 | MPI_Info info; |
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| 40 | MPI_Comm *out_comm; |
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| 41 | ::MPI_Comm mpi_dup; |
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| 42 | |
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| 43 | ::MPI_Comm in_comm = static_cast< ::MPI_Comm>(comm.mpi_comm); |
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| 44 | |
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| 45 | ::MPI_Comm_dup(in_comm, &mpi_dup); |
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| 46 | |
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| 47 | MPI_Comm_create_endpoints(mpi_dup, num_ep, info, out_comm); |
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| 48 | comm.ep_comm_ptr->comm_list->mem_bridge = out_comm; |
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| 49 | } |
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| 50 | |
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| 51 | MPI_Barrier(comm); |
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| 52 | |
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| 53 | *newcomm = (comm.ep_comm_ptr->comm_list->mem_bridge[my_rank]); |
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| 54 | |
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| 55 | return MPI_SUCCESS; |
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| 56 | } |
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| 57 | |
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| 58 | int MPI_Comm_dup_intercomm(MPI_Comm comm, MPI_Comm *newcomm) |
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| 59 | { |
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| 60 | |
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| 61 | if(comm.mpi_comm == MPI_COMM_NULL_STD) return 0; |
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| 62 | |
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| 63 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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| 64 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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| 65 | |
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| 66 | |
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| 67 | if(0 == my_rank) |
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| 68 | { |
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| 69 | MPI_Info info; |
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| 70 | MPI_Comm *out_comm; |
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| 71 | ::MPI_Comm mpi_dup; |
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| 72 | |
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| 73 | ::MPI_Comm in_comm = static_cast< ::MPI_Comm>(comm.mpi_comm); |
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| 74 | |
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| 75 | ::MPI_Comm_dup(in_comm, &mpi_dup); |
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| 76 | |
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| 77 | MPI_Comm_create_endpoints(mpi_dup, num_ep, info, out_comm); |
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| 78 | |
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| 79 | ::MPI_Comm mpi_inter; |
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| 80 | |
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| 81 | ::MPI_Comm_dup(static_cast< ::MPI_Comm>(comm.ep_comm_ptr->intercomm->mpi_inter_comm), &mpi_inter); |
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| 82 | |
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| 83 | for(int i=0; i<num_ep; i++) |
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| 84 | { |
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| 85 | out_comm[i].ep_comm_ptr->comm_label = comm.ep_comm_ptr->comm_list[i].ep_comm_ptr->comm_label; |
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| 86 | out_comm[i].ep_comm_ptr->intercomm = new ep_intercomm; |
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| 87 | |
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| 88 | out_comm[i].ep_comm_ptr->intercomm->mpi_inter_comm = mpi_inter; |
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| 89 | out_comm[i].is_intercomm = true; |
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| 90 | |
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| 91 | out_comm[i].ep_comm_ptr->intercomm->intercomm_rank_map = new RANK_MAP; |
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| 92 | out_comm[i].ep_comm_ptr->intercomm->local_rank_map = new RANK_MAP; |
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| 93 | out_comm[i].ep_comm_ptr->intercomm->remote_rank_map = new RANK_MAP; |
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| 94 | |
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| 95 | out_comm[i].ep_comm_ptr->intercomm->intercomm_rank_map = comm.ep_comm_ptr->comm_list[i].ep_comm_ptr->intercomm->intercomm_rank_map; |
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| 96 | out_comm[i].ep_comm_ptr->intercomm->local_rank_map = comm.ep_comm_ptr->comm_list[i].ep_comm_ptr->intercomm->local_rank_map; |
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| 97 | out_comm[i].ep_comm_ptr->intercomm->remote_rank_map = comm.ep_comm_ptr->comm_list[i].ep_comm_ptr->intercomm->remote_rank_map; |
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| 98 | |
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| 99 | out_comm[i].ep_comm_ptr->intercomm->local_comm = comm.ep_comm_ptr->comm_list[i].ep_comm_ptr->intercomm->local_comm; |
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| 100 | out_comm[i].ep_comm_ptr->intercomm->intercomm_tag = comm.ep_comm_ptr->comm_list[i].ep_comm_ptr->intercomm->intercomm_tag; |
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| 101 | |
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| 102 | for(int j =0; j<3; j++) |
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| 103 | { |
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| 104 | out_comm[i].ep_comm_ptr->intercomm->size_rank_info[j] = comm.ep_comm_ptr->comm_list[i].ep_comm_ptr->intercomm->size_rank_info[j]; |
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| 105 | } |
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| 106 | |
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| 107 | } |
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| 108 | |
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| 109 | comm.ep_comm_ptr->comm_list->mem_bridge = out_comm; |
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| 110 | } |
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| 111 | |
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| 112 | MPI_Barrier(comm); |
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| 113 | |
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| 114 | *newcomm = comm.ep_comm_ptr->comm_list->mem_bridge[my_rank]; |
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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 | |
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