[1134] | 1 | /*! |
---|
| 2 | \file ep_message.cpp |
---|
| 3 | \since 2 may 2016 |
---|
| 4 | |
---|
| 5 | \brief Definitions of MPI endpoint function: Message_Check |
---|
| 6 | */ |
---|
| 7 | |
---|
| 8 | #include "ep_lib.hpp" |
---|
| 9 | #include <mpi.h> |
---|
| 10 | #include "ep_declaration.hpp" |
---|
[1295] | 11 | #include "ep_mpi.hpp" |
---|
[1134] | 12 | |
---|
| 13 | using namespace std; |
---|
| 14 | |
---|
[1196] | 15 | extern std::list< ep_lib::MPI_Request* > * EP_PendingRequests; |
---|
| 16 | #pragma omp threadprivate(EP_PendingRequests) |
---|
| 17 | |
---|
[1134] | 18 | namespace ep_lib |
---|
| 19 | { |
---|
[1520] | 20 | int Request_Check() |
---|
| 21 | { |
---|
| 22 | if(EP_PendingRequests == 0 ) EP_PendingRequests = new std::list< MPI_Request* >; |
---|
| 23 | |
---|
| 24 | if(EP_PendingRequests->size() == 0) return 0; |
---|
| 25 | |
---|
| 26 | MPI_Status status; |
---|
| 27 | MPI_Message *message; |
---|
| 28 | int probed = false; |
---|
| 29 | int recv_count = 0; |
---|
| 30 | std::list<MPI_Request* >::iterator it; |
---|
| 31 | |
---|
| 32 | |
---|
| 33 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
---|
| 34 | { |
---|
| 35 | Message_Check(((*(*it))->comm)); |
---|
| 36 | } |
---|
[1134] | 37 | |
---|
[1520] | 38 | |
---|
| 39 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); ) |
---|
| 40 | { |
---|
| 41 | if((*(*it))->state == 0) |
---|
| 42 | { |
---|
| 43 | #pragma omp critical (_query0) |
---|
| 44 | { |
---|
| 45 | MPI_Iprobe((*(*it))->ep_src, (*(*it))->ep_tag, ((*(*it))->comm), &probed, &status); |
---|
| 46 | if(probed) |
---|
| 47 | { |
---|
| 48 | message = new MPI_Message; |
---|
| 49 | *message = new ep_message; |
---|
| 50 | |
---|
| 51 | memcheck("new "<< message <<" : in ep_lib::Request_Check, message = new MPI_Message"); |
---|
| 52 | memcheck("new "<< *message <<" : in ep_lib::Request_Check, *message = new ep_message"); |
---|
| 53 | |
---|
| 54 | |
---|
| 55 | MPI_Improbe((*(*it))->ep_src, (*(*it))->ep_tag, (*(*it))->comm, &probed, message, &status); |
---|
| 56 | |
---|
| 57 | } |
---|
| 58 | } |
---|
| 59 | |
---|
| 60 | |
---|
| 61 | if(probed) |
---|
| 62 | { |
---|
| 63 | MPI_Get_count(&status, (*(*it))->ep_datatype, &recv_count); |
---|
| 64 | |
---|
| 65 | MPI_Imrecv((*(*it))->buf, recv_count, (*(*it))->ep_datatype, message, *it); |
---|
| 66 | (*(*it))->type = 3; |
---|
| 67 | (*(*it))->state = 1; |
---|
| 68 | |
---|
| 69 | memcheck("delete "<< status.mpi_status <<" : in ep_lib::Request_Check, delete status.mpi_status"); |
---|
| 70 | delete status.mpi_status; |
---|
| 71 | |
---|
| 72 | memcheck("delete "<< *message <<" : in ep_lib::Request_Check, delete *message"); |
---|
| 73 | memcheck("delete "<< message <<" : in ep_lib::Request_Check, delete message"); |
---|
| 74 | |
---|
| 75 | delete *message; |
---|
| 76 | delete message; |
---|
| 77 | |
---|
| 78 | it++; |
---|
| 79 | continue; |
---|
| 80 | } |
---|
| 81 | } |
---|
| 82 | |
---|
| 83 | if((*(*it))->state == 2) |
---|
| 84 | { |
---|
| 85 | int ep_rank = ((*(*it))->comm)->ep_comm_ptr->size_rank_info[0].first; |
---|
| 86 | memcheck("delete "<< (*(*it)) <<" : in ep_lib::Request_Check, delete (*(*it))"); |
---|
| 87 | |
---|
| 88 | |
---|
| 89 | int world_rank; |
---|
| 90 | MPI_Comm_rank(MPI_COMM_WORLD, &world_rank); |
---|
| 91 | if(world_rank==2) |
---|
| 92 | { |
---|
| 93 | printf("ep %d erased one pending request %p\n", world_rank,*(*it)); |
---|
| 94 | } |
---|
| 95 | |
---|
| 96 | EP_PendingRequests->erase(it); |
---|
| 97 | |
---|
| 98 | memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
---|
| 99 | it = EP_PendingRequests->begin(); |
---|
| 100 | continue; |
---|
| 101 | } |
---|
| 102 | else it++; |
---|
| 103 | } |
---|
| 104 | } |
---|
| 105 | |
---|
| 106 | |
---|
| 107 | |
---|
[1134] | 108 | int Message_Check(MPI_Comm comm) |
---|
| 109 | { |
---|
[1520] | 110 | if(!comm->is_ep) return MPI_SUCCESS; |
---|
[1134] | 111 | |
---|
[1520] | 112 | if(comm->is_intercomm) |
---|
[1134] | 113 | { |
---|
[1520] | 114 | Message_Check_intercomm(comm); |
---|
[1134] | 115 | } |
---|
[1520] | 116 | |
---|
| 117 | return Message_Check_intracomm(comm); |
---|
[1134] | 118 | |
---|
[1520] | 119 | } |
---|
| 120 | |
---|
| 121 | |
---|
| 122 | int Message_Check_intracomm(MPI_Comm comm) |
---|
| 123 | { |
---|
| 124 | |
---|
[1134] | 125 | int flag = true; |
---|
[1520] | 126 | ::MPI_Status status; |
---|
[1134] | 127 | ::MPI_Message message; |
---|
| 128 | |
---|
| 129 | while(flag) // loop until the end of global queue |
---|
| 130 | { |
---|
| 131 | Debug("Message probing for intracomm\n"); |
---|
[1520] | 132 | |
---|
[1134] | 133 | #pragma omp critical (_mpi_call) |
---|
| 134 | { |
---|
[1520] | 135 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->mpi_comm), &flag, &status); |
---|
[1134] | 136 | if(flag) |
---|
| 137 | { |
---|
| 138 | Debug("find message in mpi comm \n"); |
---|
[1520] | 139 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->mpi_comm), &message, &status); |
---|
[1134] | 140 | } |
---|
| 141 | } |
---|
[1374] | 142 | |
---|
[1176] | 143 | |
---|
[1134] | 144 | if(flag) |
---|
| 145 | { |
---|
[1520] | 146 | MPI_Message msg = new ep_message; |
---|
| 147 | msg->mpi_message = new ::MPI_Message(message); |
---|
[1134] | 148 | |
---|
[1520] | 149 | memcheck("new "<< msg <<" : in ep_lib::Message_Check, msg = new ep_message"); |
---|
| 150 | memcheck("new "<< msg->mpi_message <<" : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message"); |
---|
| 151 | |
---|
| 152 | |
---|
| 153 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
---|
| 154 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
---|
| 155 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
---|
| 156 | int src_mpi = status.MPI_SOURCE; |
---|
[1134] | 157 | |
---|
[1520] | 158 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
---|
[1134] | 159 | |
---|
[1520] | 160 | #ifdef _showinfo |
---|
| 161 | printf("status.MPI_TAG = %d, src_loc = %d, dest_loc = %d, ep_tag = %d\n", status.MPI_TAG, src_loc, dest_loc, msg->ep_tag); |
---|
| 162 | #endif |
---|
[1134] | 163 | |
---|
[1520] | 164 | msg->mpi_status = new ::MPI_Status(status); |
---|
| 165 | memcheck("new "<< msg->mpi_status <<" : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status"); |
---|
[1134] | 166 | |
---|
| 167 | #pragma omp critical (_query) |
---|
| 168 | { |
---|
| 169 | #pragma omp flush |
---|
[1520] | 170 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
---|
| 171 | int dest_mpi = comm->ep_comm_ptr->size_rank_info[2].first; |
---|
| 172 | memcheck("message_queue["<<dest_mpi<<","<<dest_loc<<"]->size = "<<comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->size()); |
---|
[1134] | 173 | #pragma omp flush |
---|
| 174 | } |
---|
| 175 | } |
---|
| 176 | } |
---|
| 177 | |
---|
| 178 | return MPI_SUCCESS; |
---|
| 179 | } |
---|
| 180 | |
---|
| 181 | |
---|
[1520] | 182 | |
---|
| 183 | |
---|
| 184 | |
---|
[1134] | 185 | |
---|
[1520] | 186 | |
---|
[1134] | 187 | int Message_Check_intercomm(MPI_Comm comm) |
---|
| 188 | { |
---|
[1520] | 189 | if(!comm->ep_comm_ptr->intercomm->mpi_inter_comm) return 0; |
---|
[1134] | 190 | |
---|
| 191 | Debug("Message probing for intercomm\n"); |
---|
| 192 | |
---|
| 193 | int flag = true; |
---|
| 194 | ::MPI_Message message; |
---|
| 195 | ::MPI_Status status; |
---|
| 196 | int current_ep_rank; |
---|
| 197 | MPI_Comm_rank(comm, ¤t_ep_rank); |
---|
| 198 | |
---|
[1520] | 199 | while(flag) // loop until the end of global queue "comm->ep_comm_ptr->intercomm->mpi_inter_comm" |
---|
[1134] | 200 | { |
---|
| 201 | Debug("Message probing for intracomm\n"); |
---|
[1295] | 202 | |
---|
[1134] | 203 | #pragma omp critical (_mpi_call) |
---|
| 204 | { |
---|
[1520] | 205 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), &flag, &status); |
---|
[1134] | 206 | if(flag) |
---|
| 207 | { |
---|
| 208 | Debug("find message in mpi comm \n"); |
---|
[1520] | 209 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), &message, &status); |
---|
[1134] | 210 | } |
---|
| 211 | } |
---|
[1355] | 212 | |
---|
[1347] | 213 | |
---|
[1134] | 214 | if(flag) |
---|
| 215 | { |
---|
| 216 | |
---|
[1520] | 217 | MPI_Message msg = new ep_message; |
---|
| 218 | msg->mpi_message = new ::MPI_Message(message); |
---|
[1134] | 219 | |
---|
[1520] | 220 | memcheck("new "<< msg <<" : in ep_lib::Message_Check, msg = new ep_message"); |
---|
| 221 | memcheck("new "<< msg->mpi_message <<" : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message"); |
---|
| 222 | |
---|
[1134] | 223 | |
---|
[1520] | 224 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
---|
| 225 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
---|
| 226 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
---|
| 227 | int src_mpi = status.MPI_SOURCE; |
---|
| 228 | |
---|
| 229 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
---|
| 230 | #ifdef _showinfo |
---|
| 231 | printf("status.MPI_TAG = %d, src_loc = %d, dest_loc = %d, ep_tag = %d\n", status.MPI_TAG, src_loc, dest_loc, msg->ep_tag); |
---|
| 232 | #endif |
---|
[1134] | 233 | |
---|
[1520] | 234 | msg->mpi_status = new ::MPI_Status(status); |
---|
| 235 | memcheck("new "<< msg->mpi_status <<" : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status"); |
---|
[1134] | 236 | |
---|
| 237 | #pragma omp critical (_query) |
---|
| 238 | { |
---|
| 239 | #pragma omp flush |
---|
[1520] | 240 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
---|
| 241 | 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()); |
---|
[1134] | 242 | #pragma omp flush |
---|
| 243 | } |
---|
| 244 | } |
---|
| 245 | } |
---|
| 246 | |
---|
[1520] | 247 | Message_Check_intracomm(comm); |
---|
[1134] | 248 | |
---|
| 249 | return MPI_SUCCESS; |
---|
| 250 | } |
---|
| 251 | |
---|
[1520] | 252 | |
---|
[1196] | 253 | |
---|
[1134] | 254 | } |
---|