[1134] | 1 | /*! |
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| 2 | \file ep_recv.cpp |
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| 3 | \since 2 may 2016 |
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| 4 | |
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| 5 | \brief Definitions of MPI receive functions: MPI_Recv, MPI_Mrecv, MPI_Irecv, MPI_Imrecv |
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| 6 | */ |
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| 7 | |
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| 8 | |
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| 9 | #include "ep_lib.hpp" |
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| 10 | #include <mpi.h> |
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| 11 | #include "ep_declaration.hpp" |
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[1295] | 12 | #include "ep_mpi.hpp" |
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[1134] | 13 | |
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| 14 | using namespace std; |
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| 15 | |
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[1196] | 16 | extern std::list< ep_lib::MPI_Request* > * EP_PendingRequests; |
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| 17 | #pragma omp threadprivate(EP_PendingRequests) |
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[1134] | 18 | |
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[1147] | 19 | namespace ep_lib |
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| 20 | { |
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[1134] | 21 | |
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[1147] | 22 | int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status *status) |
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| 23 | { |
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[1134] | 24 | |
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[1520] | 25 | if(!comm->is_ep) return MPI_Recv_mpi(buf, count, datatype, src, tag, comm, status); |
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| 26 | |
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| 27 | Debug("MPI_Recv with EP"); |
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[1134] | 28 | |
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| 29 | MPI_Request request; |
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| 30 | MPI_Irecv(buf, count, datatype, src, tag, comm, &request); |
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| 31 | MPI_Wait(&request, status); |
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| 32 | |
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| 33 | return 0; |
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[1147] | 34 | } |
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[1134] | 35 | |
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[1520] | 36 | |
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[1134] | 37 | |
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| 38 | |
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[1147] | 39 | int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request *request) |
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| 40 | { |
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[1520] | 41 | if(!comm->is_ep) return MPI_Irecv_mpi(buf, count, datatype, src, tag, comm, request); |
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| 42 | |
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[1147] | 43 | Debug("MPI_Irecv with EP"); |
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[1134] | 44 | int dest_rank; |
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| 45 | MPI_Comm_rank(comm, &dest_rank); |
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[1287] | 46 | |
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[1520] | 47 | *request = new ep_request; |
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| 48 | memcheck("new " << *request <<" : in ep_lib::MPI_Irecv, *request = new ep_request"); |
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[1134] | 49 | |
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[1520] | 50 | (*request)->mpi_request = new ::MPI_Request; |
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| 51 | memcheck("new " << (*request)->mpi_request << " : in ep_lib::MPI_Irecv, (*request)->mpi_request = new ::MPI_Request"); |
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| 52 | |
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| 53 | (*request)->buf = buf; |
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| 54 | (*request)->comm = comm; |
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| 55 | (*request)->type = 2; |
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| 56 | (*request)->state = 0; |
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| 57 | |
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| 58 | |
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| 59 | (*request)->ep_src = src; |
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| 60 | (*request)->ep_tag = tag; |
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| 61 | (*request)->ep_datatype = datatype; |
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| 62 | |
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| 63 | if(EP_PendingRequests == 0 ) EP_PendingRequests = new std::list< MPI_Request* >; |
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| 64 | |
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| 65 | EP_PendingRequests->push_back(request); |
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| 66 | |
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| 67 | int world_rank; |
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| 68 | MPI_Comm_rank(MPI_COMM_WORLD, &world_rank); |
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| 69 | if(world_rank==2) |
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[1147] | 70 | { |
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[1520] | 71 | printf("ep %d inserted one pending request %p\n", world_rank, *request); |
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[1147] | 72 | } |
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[1520] | 73 | |
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| 74 | memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
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[1134] | 75 | |
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[1520] | 76 | #ifdef _showinfo |
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| 77 | if(comm->is_intercomm) |
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| 78 | { |
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| 79 | int ep_dest_loc = comm->ep_rank_map->at(dest_rank).first; |
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| 80 | int ep_src_loc = comm->ep_comm_ptr->intercomm->intercomm_rank_map->at(src).first; |
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| 81 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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| 82 | int mpi_dest = comm->ep_comm_ptr->intercomm->intercomm_rank_map->at(src).second.first; |
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[1134] | 83 | |
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[1520] | 84 | printf("Irecv : ep_src_loc = %d, ep_dest_loc = %d, mpi_src = %d, mpi_dest = %d, mpi_tag = %d\n", ep_src_loc, ep_dest_loc, comm->ep_comm_ptr->size_rank_info[2].first, mpi_dest, mpi_tag); |
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| 85 | } |
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| 86 | #endif |
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[1134] | 87 | |
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[1520] | 88 | return Request_Check(); |
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| 89 | } |
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| 90 | |
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| 91 | int MPI_Mrecv(void *buf, int count, MPI_Datatype datatype, MPI_Message *message, MPI_Status *status) |
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| 92 | { |
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| 93 | Debug("MPI_Mrecv with MPI/EP"); |
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[1187] | 94 | |
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[1520] | 95 | status->mpi_status = new ::MPI_Status; |
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| 96 | memcheck("new " << status->mpi_status << " : in ep_lib::MPI_Mrecv, status->mpi_status = new ::MPI_Status"); |
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| 97 | |
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| 98 | ::MPI_Mrecv(buf, count, to_mpi_type(datatype), static_cast< ::MPI_Message* >((*message)->mpi_message), to_mpi_status_ptr(*status)); |
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[1187] | 99 | |
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[1520] | 100 | |
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| 101 | status->ep_src = (*message)->ep_src; |
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| 102 | status->ep_datatype = datatype; |
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| 103 | status->ep_tag = (*message)->ep_tag; |
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[1134] | 104 | |
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[1520] | 105 | memcheck("delete " << (*message)->mpi_message << " : in ep_lib::MPI_Mrecv, delete (*message)->mpi_message"); |
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| 106 | delete (*message)->mpi_message; |
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[1187] | 107 | |
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[1520] | 108 | #ifdef _check_sum |
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| 109 | check_sum_recv(buf, count, datatype, message->ep_src, message->ep_tag); |
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| 110 | #endif |
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[1196] | 111 | |
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[1520] | 112 | return Request_Check(); |
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| 113 | } |
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[1196] | 114 | |
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[1362] | 115 | |
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[1147] | 116 | int MPI_Imrecv(void *buf, int count, MPI_Datatype datatype, MPI_Message *message, MPI_Request *request) |
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| 117 | { |
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[1520] | 118 | Debug("MPI_Imrecv with MPI/EP"); |
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[1134] | 119 | |
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[1520] | 120 | (*request)->type = 3; |
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| 121 | (*request)->ep_datatype = datatype; |
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| 122 | (*request)->ep_tag = (*message)->ep_tag; |
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| 123 | (*request)->ep_src = (*message)->ep_src; |
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| 124 | |
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| 125 | (*request)->state = 1; |
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| 126 | |
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| 127 | ::MPI_Imrecv(buf, count, to_mpi_type(datatype), to_mpi_message_ptr(*message), to_mpi_request_ptr(*request)); |
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| 128 | |
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| 129 | memcheck("delete " << (*message)->mpi_message << " : in ep_lib::MPI_Imrecv, delete (*message)->mpi_message"); |
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| 130 | delete (*message)->mpi_message; |
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[1134] | 131 | |
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[1520] | 132 | #ifdef _check_sum |
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| 133 | check_sum_recv(buf, count, datatype, message->ep_src, message->ep_tag); |
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| 134 | #endif |
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[1134] | 135 | |
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[1362] | 136 | |
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[1520] | 137 | return Request_Check(); |
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[1147] | 138 | } |
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[1134] | 139 | |
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| 140 | |
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[1520] | 141 | int MPI_Recv_mpi(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status *status) |
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[1147] | 142 | { |
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[1520] | 143 | Debug("MPI_Recv with MPI"); |
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| 144 | status->ep_src = src; |
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| 145 | status->ep_tag = tag; |
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[1134] | 146 | status->ep_datatype = datatype; |
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[1520] | 147 | |
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| 148 | return ::MPI_Recv(buf, count, to_mpi_type(datatype), src<0? MPI_ANY_SOURCE : src, tag<0? MPI_ANY_TAG: tag, to_mpi_comm(comm->mpi_comm), to_mpi_status_ptr(*status)); |
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| 149 | } |
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| 150 | |
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| 151 | int MPI_Irecv_mpi(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request *request) |
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| 152 | { |
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| 153 | Debug("MPI_Irecv with MPI"); |
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| 154 | int dest_rank; |
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| 155 | MPI_Comm_rank(comm, &dest_rank); |
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| 156 | |
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| 157 | *request = new ep_request; |
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| 158 | memcheck("new "<< *request <<" : in ep_lib::MPI_Irecv, *request = new ep_request"); |
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[1134] | 159 | |
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[1520] | 160 | (*request)->mpi_request = new ::MPI_Request; |
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| 161 | memcheck("new "<< (*request)->mpi_request <<" : in ep_lib::MPI_Irecv, (*request)->mpi_request = new ::MPI_Request"); |
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| 162 | |
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| 163 | (*request)->ep_src = src; |
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| 164 | (*request)->ep_datatype = datatype; |
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| 165 | (*request)->type = 2; |
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| 166 | (*request)->ep_tag = tag; |
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| 167 | |
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| 168 | return ::MPI_Irecv(buf, count, to_mpi_type(datatype), src<0? MPI_ANY_SOURCE : src, tag<0? MPI_ANY_TAG: tag, to_mpi_comm(comm->mpi_comm), to_mpi_request_ptr(*request)); |
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[1147] | 169 | } |
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| 170 | } |
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[1134] | 171 | |
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| 172 | |
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[1196] | 173 | |
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