[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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[1500] | 20 | int Request_Check() |
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| 21 | { |
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[1503] | 22 | if(EP_PendingRequests == 0 ) EP_PendingRequests = new std::list< MPI_Request* >; |
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| 23 | |
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| 24 | if(EP_PendingRequests->size() == 0) return 0; |
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| 25 | |
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[1500] | 26 | MPI_Status status; |
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| 27 | MPI_Message *message; |
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| 28 | int probed = false; |
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| 29 | int recv_count = 0; |
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| 30 | std::list<MPI_Request* >::iterator it; |
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| 31 | |
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| 32 | |
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| 33 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
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| 34 | { |
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| 35 | Message_Check(((*(*it))->comm)); |
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| 36 | } |
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[1381] | 37 | |
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[1500] | 38 | |
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| 39 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); ) |
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| 40 | { |
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| 41 | if((*(*it))->state == 0) |
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| 42 | { |
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[1503] | 43 | #pragma omp critical (_query0) |
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| 44 | { |
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| 45 | MPI_Iprobe((*(*it))->ep_src, (*(*it))->ep_tag, ((*(*it))->comm), &probed, &status); |
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| 46 | if(probed) |
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| 47 | { |
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| 48 | message = new MPI_Message; |
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| 49 | *message = new ep_message; |
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[1500] | 50 | |
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[1503] | 51 | memcheck("new "<< message <<" : in ep_lib::Request_Check, message = new MPI_Message"); |
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| 52 | memcheck("new "<< *message <<" : in ep_lib::Request_Check, *message = new ep_message"); |
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[1500] | 53 | |
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| 54 | |
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[1503] | 55 | MPI_Improbe((*(*it))->ep_src, (*(*it))->ep_tag, (*(*it))->comm, &probed, message, &status); |
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| 56 | |
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| 57 | } |
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| 58 | } |
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[1500] | 59 | |
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| 60 | |
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| 61 | if(probed) |
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| 62 | { |
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| 63 | ::MPI_Get_count(to_mpi_status_ptr(status), to_mpi_type((*(*it))->ep_datatype), &recv_count); |
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| 64 | |
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| 65 | MPI_Imrecv((*(*it))->buf, recv_count, (*(*it))->ep_datatype, message, *it); |
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| 66 | (*(*it))->type = 3; |
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| 67 | (*(*it))->state = 1; |
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| 68 | |
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[1503] | 69 | memcheck("delete "<< status.mpi_status <<" : in ep_lib::Request_Check, delete status.mpi_status"); |
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| 70 | delete status.mpi_status; |
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[1500] | 71 | |
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[1503] | 72 | memcheck("delete "<< *message <<" : in ep_lib::Request_Check, delete *message"); |
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| 73 | memcheck("delete "<< message <<" : in ep_lib::Request_Check, delete message"); |
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| 74 | |
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[1500] | 75 | delete *message; |
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| 76 | delete message; |
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| 77 | |
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| 78 | it++; |
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| 79 | continue; |
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[1503] | 80 | } |
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[1500] | 81 | } |
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| 82 | |
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| 83 | if((*(*it))->state == 2) |
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| 84 | { |
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[1503] | 85 | int ep_rank = ((*(*it))->comm)->ep_comm_ptr->size_rank_info[0].first; |
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| 86 | memcheck("delete "<< (*(*it)) <<" : in ep_lib::Request_Check, delete (*(*it))"); |
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[1500] | 87 | delete (*(*it)); |
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| 88 | |
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| 89 | EP_PendingRequests->erase(it); |
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[1503] | 90 | memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
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[1500] | 91 | it = EP_PendingRequests->begin(); |
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| 92 | continue; |
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| 93 | } |
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| 94 | else it++; |
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| 95 | } |
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| 96 | } |
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| 97 | |
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| 98 | |
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| 99 | |
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[1381] | 100 | int Message_Check(MPI_Comm comm) |
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| 101 | { |
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[1500] | 102 | if(!comm->is_ep) return MPI_SUCCESS; |
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[1381] | 103 | |
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[1500] | 104 | if(comm->is_intercomm) |
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[1381] | 105 | { |
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| 106 | return Message_Check_intercomm(comm); |
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| 107 | } |
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[1500] | 108 | |
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| 109 | return Message_Check_intracomm(comm); |
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[1381] | 110 | |
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[1500] | 111 | } |
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| 112 | |
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| 113 | |
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| 114 | int Message_Check_intracomm(MPI_Comm comm) |
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| 115 | { |
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| 116 | |
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[1381] | 117 | int flag = true; |
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[1500] | 118 | ::MPI_Status status; |
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[1381] | 119 | ::MPI_Message message; |
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| 120 | |
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| 121 | while(flag) // loop until the end of global queue |
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| 122 | { |
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| 123 | Debug("Message probing for intracomm\n"); |
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[1500] | 124 | |
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[1381] | 125 | #pragma omp critical (_mpi_call) |
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| 126 | { |
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[1500] | 127 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->mpi_comm), &flag, &status); |
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[1381] | 128 | if(flag) |
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| 129 | { |
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| 130 | Debug("find message in mpi comm \n"); |
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[1500] | 131 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->mpi_comm), &message, &status); |
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[1381] | 132 | } |
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| 133 | } |
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| 134 | |
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| 135 | |
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| 136 | if(flag) |
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| 137 | { |
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[1500] | 138 | MPI_Message msg = new ep_message; |
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| 139 | msg->mpi_message = new ::MPI_Message(message); |
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[1381] | 140 | |
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[1503] | 141 | memcheck("new "<< msg <<" : in ep_lib::Message_Check, msg = new ep_message"); |
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| 142 | memcheck("new "<< msg->mpi_message <<" : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message"); |
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[1500] | 143 | |
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| 144 | |
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| 145 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 146 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 147 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 148 | int src_mpi = status.MPI_SOURCE; |
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[1381] | 149 | |
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[1500] | 150 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
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| 151 | msg->mpi_status = new ::MPI_Status(status); |
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[1503] | 152 | memcheck("new "<< msg->mpi_status <<" : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status"); |
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[1381] | 153 | |
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| 154 | #pragma omp critical (_query) |
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| 155 | { |
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| 156 | #pragma omp flush |
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[1500] | 157 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
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[1503] | 158 | int dest_mpi = comm->ep_comm_ptr->size_rank_info[2].first; |
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| 159 | memcheck("message_queue["<<dest_mpi<<","<<dest_loc<<"]->size = "<<comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->size()); |
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[1381] | 160 | #pragma omp flush |
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| 161 | } |
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| 162 | } |
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| 163 | } |
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| 164 | |
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| 165 | return MPI_SUCCESS; |
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| 166 | } |
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| 167 | |
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| 168 | |
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[1500] | 169 | |
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| 170 | |
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| 171 | |
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[1381] | 172 | |
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[1500] | 173 | |
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[1381] | 174 | int Message_Check_intercomm(MPI_Comm comm) |
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| 175 | { |
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[1500] | 176 | if(!comm->ep_comm_ptr->intercomm->mpi_inter_comm) return 0; |
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[1381] | 177 | |
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| 178 | Debug("Message probing for intercomm\n"); |
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| 179 | |
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| 180 | int flag = true; |
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| 181 | ::MPI_Message message; |
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| 182 | ::MPI_Status status; |
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| 183 | int current_ep_rank; |
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| 184 | MPI_Comm_rank(comm, ¤t_ep_rank); |
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| 185 | |
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[1500] | 186 | while(flag) // loop until the end of global queue "comm->ep_comm_ptr->intercomm->mpi_inter_comm" |
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[1381] | 187 | { |
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| 188 | Debug("Message probing for intracomm\n"); |
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| 189 | |
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| 190 | #pragma omp critical (_mpi_call) |
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| 191 | { |
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[1500] | 192 | ::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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[1381] | 193 | if(flag) |
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| 194 | { |
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| 195 | Debug("find message in mpi comm \n"); |
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[1500] | 196 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), &message, &status); |
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[1381] | 197 | } |
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| 198 | } |
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| 199 | |
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| 200 | |
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| 201 | if(flag) |
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| 202 | { |
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| 203 | |
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[1500] | 204 | MPI_Message msg = new ep_message; |
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| 205 | msg->mpi_message = new ::MPI_Message(message); |
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[1381] | 206 | |
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[1503] | 207 | memcheck("new "<< msg <<" : in ep_lib::Message_Check, msg = new ep_message"); |
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| 208 | memcheck("new "<< msg->mpi_message <<" : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message"); |
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[1500] | 209 | |
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[1381] | 210 | |
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[1500] | 211 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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| 212 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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| 213 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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| 214 | int src_mpi = status.MPI_SOURCE; |
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| 215 | int current_inter = comm->ep_comm_ptr->intercomm->local_rank_map->at(current_ep_rank).first; |
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| 216 | |
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| 217 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
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[1503] | 218 | msg->mpi_status = new ::MPI_Status(status); |
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| 219 | memcheck("new "<< msg->mpi_status <<" : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status"); |
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[1381] | 220 | |
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| 221 | #pragma omp critical (_query) |
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| 222 | { |
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| 223 | #pragma omp flush |
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[1500] | 224 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
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[1503] | 225 | memcheck("comm->ep_comm_ptr->comm_list["<<dest_loc<<"]->ep_comm_ptr->message_queue->size = "<<comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->size()); |
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[1381] | 226 | #pragma omp flush |
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| 227 | } |
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| 228 | } |
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| 229 | } |
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| 230 | |
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[1500] | 231 | Message_Check_intracomm(comm); |
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[1381] | 232 | |
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| 233 | return MPI_SUCCESS; |
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| 234 | } |
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| 235 | |
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[1500] | 236 | |
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[1381] | 237 | |
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| 238 | } |
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