1 | #include "ep_lib.hpp" |
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2 | #include <mpi.h> |
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3 | #include "ep_declaration.hpp" |
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4 | #include "ep_mpi.hpp" |
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5 | |
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6 | namespace ep_lib |
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7 | { |
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8 | |
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9 | |
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10 | int MPI_Comm_dup(MPI_Comm comm, MPI_Comm *newcomm) |
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11 | { |
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12 | |
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13 | if(!comm->is_ep) |
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14 | { |
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15 | Debug("MPI_Comm_dup with MPI\n"); |
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16 | return MPI_Comm_dup_mpi(comm, newcomm); |
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17 | } |
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18 | |
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19 | return MPI_Comm_dup_endpoint(comm, newcomm); |
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20 | |
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21 | } |
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22 | |
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23 | |
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24 | |
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25 | int MPI_Comm_dup_endpoint(MPI_Comm comm, MPI_Comm *newcomm) |
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26 | { |
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27 | int ep_rank_loc = comm->ep_comm_ptr->size_rank_info[1].first; |
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28 | int num_ep = comm->ep_comm_ptr->size_rank_info[1].second; |
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29 | |
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30 | |
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31 | if(0 == ep_rank_loc) |
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32 | { |
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33 | MPI_Info info; |
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34 | MPI_Comm *out_comm; |
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35 | |
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36 | MPI_Comm_create_endpoints(comm->mpi_comm, num_ep, info, out_comm); |
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37 | comm->ep_comm_ptr->comm_list[0]->mem_bridge = out_comm; |
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38 | } |
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39 | |
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40 | MPI_Barrier_local(comm); |
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41 | |
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42 | *newcomm = (comm->ep_comm_ptr->comm_list[0]->mem_bridge[ep_rank_loc]); |
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43 | |
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44 | if(comm->is_intercomm) |
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45 | { |
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46 | (*newcomm)->is_intercomm = true; |
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47 | (*newcomm)->ep_comm_ptr->size_rank_info[0] = comm->ep_comm_ptr->size_rank_info[0]; |
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48 | (*newcomm)->inter_rank_map = new INTER_RANK_MAP; |
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49 | |
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50 | for(INTER_RANK_MAP::iterator it = comm->inter_rank_map->begin(); it !=comm->inter_rank_map->end(); it++) |
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51 | { |
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52 | (*newcomm)->inter_rank_map->insert(std::make_pair(it->first, it->second)); |
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53 | } |
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54 | |
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55 | } |
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56 | |
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57 | } |
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58 | |
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59 | int MPI_Comm_dup_mpi(MPI_Comm comm, MPI_Comm *newcomm) |
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60 | { |
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61 | newcomm = new MPI_Comm; |
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62 | (*newcomm)->is_ep = false; |
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63 | |
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64 | ::MPI_Comm *output = new ::MPI_Comm; |
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65 | |
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66 | ::MPI_Comm_dup(to_mpi_comm(comm->mpi_comm), output); |
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67 | |
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68 | (*newcomm)->mpi_comm = output; |
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69 | } |
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70 | |
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71 | |
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72 | |
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73 | } |
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74 | |
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75 | |
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