[1381] | 1 | /*! |
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| 2 | \file ep_message.cpp |
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| 3 | \since 2 may 2016 |
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| 4 | |
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| 5 | \brief Definitions of MPI endpoint function: Message_Check |
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| 6 | */ |
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| 7 | |
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| 8 | #include "ep_lib.hpp" |
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| 9 | #include <mpi.h> |
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| 10 | #include "ep_declaration.hpp" |
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| 11 | #include "ep_mpi.hpp" |
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| 12 | |
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| 13 | using namespace std; |
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| 14 | |
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| 15 | extern std::list< ep_lib::MPI_Request* > * EP_PendingRequests; |
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| 16 | #pragma omp threadprivate(EP_PendingRequests) |
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| 17 | |
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| 18 | namespace ep_lib |
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| 19 | { |
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| 20 | |
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| 21 | int Message_Check(MPI_Comm comm) |
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| 22 | { |
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| 23 | if(!comm.is_ep) return 0; |
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| 24 | |
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| 25 | if(comm.is_intercomm) |
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| 26 | { |
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| 27 | return Message_Check_intercomm(comm); |
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| 28 | } |
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| 29 | |
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| 30 | int flag = true; |
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| 31 | ::MPI_Message message; |
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| 32 | ::MPI_Status status; |
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| 33 | int mpi_source; |
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| 34 | |
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| 35 | while(flag) // loop until the end of global queue |
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| 36 | { |
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| 37 | Debug("Message probing for intracomm\n"); |
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| 38 | |
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| 39 | #pragma omp critical (_mpi_call) |
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| 40 | { |
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| 41 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.mpi_comm), &flag, &status); |
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| 42 | if(flag) |
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| 43 | { |
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| 44 | Debug("find message in mpi comm \n"); |
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| 45 | mpi_source = status.MPI_SOURCE; |
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| 46 | int tag = status.MPI_TAG; |
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| 47 | ::MPI_Mprobe(mpi_source, tag, to_mpi_comm(comm.mpi_comm), &message, &status); |
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| 48 | |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | |
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| 53 | if(flag) |
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| 54 | { |
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| 55 | |
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| 56 | MPI_Message *msg_block = new MPI_Message; |
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| 57 | msg_block->mpi_message = new ::MPI_Message; |
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| 58 | *(static_cast< ::MPI_Message*>(msg_block->mpi_message)) = message; |
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| 59 | msg_block->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 60 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 61 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 62 | int src_mpi = status.MPI_SOURCE; |
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| 63 | |
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| 64 | msg_block->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
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| 65 | msg_block->mpi_status = new ::MPI_Status(status); |
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| 66 | |
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| 67 | MPI_Comm* ptr_comm_list = comm.ep_comm_ptr->comm_list; |
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| 68 | MPI_Comm* ptr_comm_target = &ptr_comm_list[dest_loc]; |
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| 69 | |
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| 70 | |
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| 71 | #pragma omp critical (_query) |
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| 72 | { |
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| 73 | #pragma omp flush |
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| 74 | comm.ep_comm_ptr->comm_list[dest_loc].ep_comm_ptr->message_queue->push_back(*msg_block); |
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| 75 | #pragma omp flush |
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| 76 | } |
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| 77 | |
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| 78 | delete msg_block; |
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| 79 | } |
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| 80 | |
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| 81 | } |
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| 82 | |
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| 83 | return MPI_SUCCESS; |
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| 84 | } |
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| 85 | |
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| 86 | |
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| 87 | |
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| 88 | int Message_Check_intercomm(MPI_Comm comm) |
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| 89 | { |
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| 90 | if(!comm.ep_comm_ptr->intercomm->mpi_inter_comm) return 0; |
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| 91 | |
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| 92 | Debug("Message probing for intercomm\n"); |
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| 93 | |
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| 94 | int flag = true; |
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| 95 | ::MPI_Message message; |
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| 96 | ::MPI_Status status; |
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| 97 | int mpi_source; |
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| 98 | int current_ep_rank; |
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| 99 | MPI_Comm_rank(comm, ¤t_ep_rank); |
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| 100 | |
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| 101 | while(flag) // loop until the end of global queue "comm.ep_comm_ptr->intercomm->mpi_inter_comm" |
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| 102 | { |
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| 103 | Debug("Message probing for intracomm\n"); |
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| 104 | |
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| 105 | #pragma omp critical (_mpi_call) |
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| 106 | { |
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| 107 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.ep_comm_ptr->intercomm->mpi_inter_comm), &flag, &status); |
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| 108 | if(flag) |
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| 109 | { |
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| 110 | Debug("find message in mpi comm \n"); |
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| 111 | mpi_source = status.MPI_SOURCE; |
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| 112 | int tag = status.MPI_TAG; |
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| 113 | ::MPI_Mprobe(mpi_source, tag, to_mpi_comm(comm.ep_comm_ptr->intercomm->mpi_inter_comm), &message, &status); |
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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 | if(flag) |
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| 120 | { |
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| 121 | |
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| 122 | MPI_Message *msg_block = new MPI_Message; |
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| 123 | msg_block->mpi_message = new ::MPI_Message; |
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| 124 | *(static_cast< ::MPI_Message*>(msg_block->mpi_message)) = message; |
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| 125 | msg_block->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 126 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 127 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 128 | int src_mpi = status.MPI_SOURCE; |
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| 129 | int current_inter = comm.ep_comm_ptr->intercomm->local_rank_map->at(current_ep_rank).first; |
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| 130 | |
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| 131 | msg_block->ep_src = get_ep_rank_intercomm(comm, src_loc, src_mpi); |
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| 132 | msg_block->mpi_status = new ::MPI_Status(status); |
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| 133 | |
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| 134 | |
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| 135 | MPI_Comm* ptr_comm_list = comm.ep_comm_ptr->comm_list; |
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| 136 | MPI_Comm* ptr_comm_target = &ptr_comm_list[dest_loc]; |
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| 137 | |
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| 138 | |
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| 139 | #pragma omp critical (_query) |
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| 140 | { |
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| 141 | #pragma omp flush |
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| 142 | comm.ep_comm_ptr->comm_list[dest_loc].ep_comm_ptr->message_queue->push_back(*msg_block); |
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| 143 | #pragma omp flush |
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| 144 | } |
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| 145 | |
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| 146 | delete msg_block; |
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| 147 | |
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| 148 | } |
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| 149 | |
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| 150 | } |
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| 151 | |
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| 152 | flag = true; |
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| 153 | while(flag) // loop until the end of global queue "comm.mpi_comm" |
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| 154 | { |
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| 155 | Debug("Message probing for intracomm\n"); |
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| 156 | |
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| 157 | #pragma omp critical (_mpi_call) |
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| 158 | { |
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| 159 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.mpi_comm), &flag, &status); |
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| 160 | if(flag) |
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| 161 | { |
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| 162 | Debug("find message in mpi comm \n"); |
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| 163 | mpi_source = status.MPI_SOURCE; |
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| 164 | int tag = status.MPI_TAG; |
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| 165 | ::MPI_Mprobe(mpi_source, tag, to_mpi_comm(comm.mpi_comm), &message, &status); |
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| 166 | |
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| 167 | } |
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| 168 | } |
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| 169 | |
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| 170 | |
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| 171 | if(flag) |
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| 172 | { |
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| 173 | |
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| 174 | MPI_Message *msg_block = new MPI_Message; |
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| 175 | msg_block->mpi_message = new ::MPI_Message; |
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| 176 | *(static_cast< ::MPI_Message*>(msg_block->mpi_message)) = message; |
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| 177 | msg_block->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 178 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 179 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 180 | int src_mpi = status.MPI_SOURCE; |
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| 181 | |
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| 182 | msg_block->ep_src = get_ep_rank_intercomm(comm, src_loc, src_mpi); |
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| 183 | msg_block->mpi_status = new ::MPI_Status(status); |
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| 184 | |
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| 185 | |
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| 186 | MPI_Comm* ptr_comm_list = comm.ep_comm_ptr->comm_list; |
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| 187 | MPI_Comm* ptr_comm_target = &ptr_comm_list[dest_loc]; |
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| 188 | |
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| 189 | |
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| 190 | #pragma omp critical (_query) |
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| 191 | { |
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| 192 | #pragma omp flush |
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| 193 | comm.ep_comm_ptr->comm_list[dest_loc].ep_comm_ptr->message_queue->push_back(*msg_block); |
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| 194 | #pragma omp flush |
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| 195 | } |
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| 196 | |
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| 197 | delete msg_block; |
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| 198 | |
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| 199 | } |
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| 200 | |
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| 201 | } |
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| 202 | |
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| 203 | return MPI_SUCCESS; |
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| 204 | } |
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| 205 | |
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| 206 | int Request_Check() |
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| 207 | { |
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| 208 | MPI_Status status; |
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| 209 | MPI_Message message; |
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| 210 | int probed = false; |
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| 211 | int recv_count = 0; |
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| 212 | std::list<MPI_Request* >::iterator it; |
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| 213 | |
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| 214 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
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| 215 | { |
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| 216 | Message_Check((*it)->comm); |
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| 217 | } |
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| 218 | |
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| 219 | |
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| 220 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); ) |
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| 221 | { |
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| 222 | MPI_Improbe((*it)->ep_src, (*it)->ep_tag, (*it)->comm, &probed, &message, &status); |
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| 223 | if(probed) |
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| 224 | { |
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| 225 | MPI_Get_count(&status, (*it)->ep_datatype, &recv_count); |
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| 226 | MPI_Imrecv((*it)->buf, recv_count, (*it)->ep_datatype, &message, *it); |
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| 227 | (*it)->type = 3; |
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| 228 | EP_PendingRequests->erase(it); |
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| 229 | it = EP_PendingRequests->begin(); |
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| 230 | continue; |
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| 231 | } |
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| 232 | it++; |
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| 233 | } |
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| 234 | } |
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| 235 | |
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| 236 | } |
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