[1134] | 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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[1295] | 11 | #include "ep_mpi.hpp" |
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[1134] | 12 | |
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| 13 | using namespace std; |
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| 14 | |
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[1196] | 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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[1134] | 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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[1295] | 38 | |
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| 39 | |
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[1134] | 40 | #ifdef _openmpi |
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| 41 | #pragma omp critical (_mpi_call) |
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| 42 | { |
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[1295] | 43 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.mpi_comm), &flag, &status); |
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[1134] | 44 | if(flag) |
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| 45 | { |
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| 46 | Debug("find message in mpi comm \n"); |
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| 47 | mpi_source = status.MPI_SOURCE; |
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| 48 | int tag = status.MPI_TAG; |
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[1295] | 49 | ::MPI_Mprobe(mpi_source, tag, to_mpi_comm(comm.mpi_comm), &message, &status); |
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[1134] | 50 | |
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| 51 | } |
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| 52 | } |
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| 53 | #elif _intelmpi |
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[1295] | 54 | ::MPI_Improbe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.mpi_comm), &flag, &message, &status); |
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[1134] | 55 | #endif |
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[1176] | 56 | |
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[1134] | 57 | if(flag) |
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| 58 | { |
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| 59 | |
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[1220] | 60 | MPI_Message *msg_block = new MPI_Message; |
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| 61 | msg_block->mpi_message = message; |
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| 62 | msg_block->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 63 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 64 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 65 | int src_mpi = status.MPI_SOURCE; |
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[1134] | 66 | |
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[1220] | 67 | msg_block->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
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[1134] | 68 | msg_block->mpi_status = new ::MPI_Status(status); |
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| 69 | |
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| 70 | MPI_Comm* ptr_comm_list = comm.ep_comm_ptr->comm_list; |
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| 71 | MPI_Comm* ptr_comm_target = &ptr_comm_list[dest_loc]; |
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| 72 | |
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| 73 | |
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| 74 | #pragma omp critical (_query) |
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| 75 | { |
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| 76 | #pragma omp flush |
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[1295] | 77 | comm.ep_comm_ptr->comm_list[dest_loc].ep_comm_ptr->message_queue->push_back(*msg_block); |
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[1134] | 78 | #pragma omp flush |
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| 79 | } |
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| 80 | |
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[1220] | 81 | delete msg_block; |
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[1134] | 82 | } |
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| 83 | |
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| 84 | } |
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| 85 | |
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| 86 | return MPI_SUCCESS; |
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| 87 | } |
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| 88 | |
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| 89 | |
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| 90 | |
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| 91 | int Message_Check_intercomm(MPI_Comm comm) |
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| 92 | { |
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| 93 | if(!comm.ep_comm_ptr->intercomm->mpi_inter_comm) return 0; |
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| 94 | |
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| 95 | Debug("Message probing for intercomm\n"); |
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| 96 | |
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| 97 | int flag = true; |
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| 98 | ::MPI_Message message; |
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| 99 | ::MPI_Status status; |
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| 100 | int mpi_source; |
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| 101 | int current_ep_rank; |
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| 102 | MPI_Comm_rank(comm, ¤t_ep_rank); |
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| 103 | |
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| 104 | while(flag) // loop until the end of global queue "comm.ep_comm_ptr->intercomm->mpi_inter_comm" |
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| 105 | { |
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| 106 | Debug("Message probing for intracomm\n"); |
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[1295] | 107 | |
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[1134] | 108 | #ifdef _openmpi |
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| 109 | #pragma omp critical (_mpi_call) |
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| 110 | { |
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[1295] | 111 | ::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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[1134] | 112 | if(flag) |
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| 113 | { |
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| 114 | Debug("find message in mpi comm \n"); |
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| 115 | mpi_source = status.MPI_SOURCE; |
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| 116 | int tag = status.MPI_TAG; |
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[1295] | 117 | ::MPI_Mprobe(mpi_source, tag, to_mpi_comm(comm.ep_comm_ptr->intercomm->mpi_inter_comm), &message, &status); |
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[1134] | 118 | |
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| 119 | } |
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| 120 | } |
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| 121 | #elif _intelmpi |
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[1295] | 122 | ::MPI_Improbe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.ep_comm_ptr->intercomm->mpi_inter_comm), &flag, &message, &status); |
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[1134] | 123 | #endif |
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| 124 | |
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| 125 | if(flag) |
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| 126 | { |
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| 127 | |
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| 128 | MPI_Message *msg_block = new MPI_Message; |
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| 129 | |
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| 130 | msg_block->mpi_message = message; |
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| 131 | msg_block->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 132 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 133 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 134 | int src_mpi = status.MPI_SOURCE; |
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| 135 | int current_inter = comm.ep_comm_ptr->intercomm->local_rank_map->at(current_ep_rank).first; |
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| 136 | |
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| 137 | msg_block->ep_src = get_ep_rank_intercomm(comm, src_loc, src_mpi); |
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| 138 | msg_block->mpi_status = new ::MPI_Status(status); |
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| 139 | |
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| 140 | |
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| 141 | MPI_Comm* ptr_comm_list = comm.ep_comm_ptr->comm_list; |
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| 142 | MPI_Comm* ptr_comm_target = &ptr_comm_list[dest_loc]; |
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| 143 | |
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| 144 | |
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| 145 | #pragma omp critical (_query) |
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| 146 | { |
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| 147 | #pragma omp flush |
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[1295] | 148 | comm.ep_comm_ptr->comm_list[dest_loc].ep_comm_ptr->message_queue->push_back(*msg_block); |
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[1134] | 149 | #pragma omp flush |
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| 150 | } |
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| 151 | |
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| 152 | delete msg_block; |
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| 153 | |
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| 154 | } |
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| 155 | |
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| 156 | } |
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| 157 | |
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| 158 | flag = true; |
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| 159 | while(flag) // loop until the end of global queue "comm.mpi_comm" |
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| 160 | { |
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| 161 | Debug("Message probing for intracomm\n"); |
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[1295] | 162 | |
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[1134] | 163 | #ifdef _openmpi |
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| 164 | #pragma omp critical (_mpi_call) |
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| 165 | { |
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[1295] | 166 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.mpi_comm), &flag, &status); |
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[1134] | 167 | if(flag) |
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| 168 | { |
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| 169 | Debug("find message in mpi comm \n"); |
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| 170 | mpi_source = status.MPI_SOURCE; |
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| 171 | int tag = status.MPI_TAG; |
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[1295] | 172 | ::MPI_Mprobe(mpi_source, tag, to_mpi_comm(comm.mpi_comm), &message, &status); |
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[1134] | 173 | |
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| 174 | } |
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| 175 | } |
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| 176 | #elif _intelmpi |
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[1295] | 177 | ::MPI_Improbe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm.mpi_comm), &flag, &message, &status); |
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[1134] | 178 | #endif |
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| 179 | |
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| 180 | if(flag) |
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| 181 | { |
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| 182 | |
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| 183 | MPI_Message *msg_block = new MPI_Message; |
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| 184 | |
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| 185 | msg_block->mpi_message = message; |
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| 186 | msg_block->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 187 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 188 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 189 | int src_mpi = status.MPI_SOURCE; |
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| 190 | |
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| 191 | msg_block->ep_src = get_ep_rank_intercomm(comm, src_loc, src_mpi); |
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| 192 | msg_block->mpi_status = new ::MPI_Status(status); |
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| 193 | |
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| 194 | |
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| 195 | MPI_Comm* ptr_comm_list = comm.ep_comm_ptr->comm_list; |
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| 196 | MPI_Comm* ptr_comm_target = &ptr_comm_list[dest_loc]; |
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| 197 | |
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| 198 | |
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| 199 | #pragma omp critical (_query) |
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| 200 | { |
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| 201 | #pragma omp flush |
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[1295] | 202 | comm.ep_comm_ptr->comm_list[dest_loc].ep_comm_ptr->message_queue->push_back(*msg_block); |
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[1134] | 203 | #pragma omp flush |
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| 204 | } |
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| 205 | |
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| 206 | delete msg_block; |
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| 207 | |
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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 | return MPI_SUCCESS; |
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| 213 | } |
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| 214 | |
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[1196] | 215 | int Request_Check() |
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| 216 | { |
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| 217 | MPI_Status status; |
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| 218 | MPI_Message message; |
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| 219 | int probed = false; |
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| 220 | int recv_count = 0; |
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| 221 | std::list<MPI_Request* >::iterator it; |
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| 222 | |
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| 223 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
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| 224 | { |
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| 225 | Message_Check((*it)->comm); |
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| 226 | } |
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| 227 | |
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| 228 | |
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| 229 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); ) |
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| 230 | { |
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| 231 | MPI_Improbe((*it)->ep_src, (*it)->ep_tag, (*it)->comm, &probed, &message, &status); |
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| 232 | if(probed) |
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| 233 | { |
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| 234 | MPI_Get_count(&status, (*it)->ep_datatype, &recv_count); |
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| 235 | MPI_Imrecv((*it)->buf, recv_count, (*it)->ep_datatype, &message, *it); |
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| 236 | (*it)->type = 3; |
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| 237 | EP_PendingRequests->erase(it); |
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| 238 | it = EP_PendingRequests->begin(); |
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| 239 | continue; |
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| 240 | } |
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| 241 | it++; |
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| 242 | } |
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| 243 | } |
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| 244 | |
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[1134] | 245 | } |
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