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 | |
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11 | int MPI_Alloc_mem(MPI_Aint size, MPI_Info info, void *baseptr) |
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12 | { |
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13 | ::MPI_Alloc_mem(to_mpi_aint(size), to_mpi_info(info), baseptr); |
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14 | return 0; |
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15 | } |
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16 | |
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17 | int MPI_Alloc_mem(unsigned long size, MPI_Info info, void *baseptr) |
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18 | { |
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19 | ::MPI_Alloc_mem(size, *(static_cast< ::MPI_Info*>(info->mpi_info)), baseptr); |
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20 | return 0; |
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21 | } |
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22 | |
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23 | int MPI_Win_allocate (MPI_Aint size, int disp_unit, MPI_Info info, MPI_Comm comm, void *baseptr, MPI_Win *win) |
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24 | { |
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25 | int rank, rank_loc, num_ep; |
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26 | MPI_Comm_rank(comm, &rank); |
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27 | rank_loc = comm->ep_comm_ptr->size_rank_info[1].first; |
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28 | num_ep = comm->ep_comm_ptr->size_rank_info[1].second; |
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29 | |
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30 | *win = new ep_win; |
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31 | |
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32 | (*win)->is_ep = comm->is_ep; |
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33 | |
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34 | int num_ep_max; |
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35 | MPI_Allreduce(&num_ep, &num_ep_max, 1, MPI_INT, MPI_MAX, comm); |
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36 | |
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37 | assert(num_ep_max > 1); |
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38 | |
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39 | info = new ep_info; |
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40 | |
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41 | if(num_ep == 1) // server |
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42 | { |
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43 | for(int i=0; i<num_ep_max; i++) |
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44 | { |
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45 | (*win)->server_win[i] = new ::MPI_Win; |
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46 | } |
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47 | |
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48 | printf("Calling MPI_Win_allocate from server, rank = %d\n", rank); |
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49 | for(int i=0; i<num_ep_max; i++) |
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50 | { |
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51 | ::MPI_Win_allocate(to_mpi_aint(size), disp_unit, to_mpi_info(info), to_mpi_comm(comm->mpi_comm), baseptr, static_cast< ::MPI_Win*>((*win)->server_win[i])); |
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52 | (*win)->comm = comm; |
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53 | } |
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54 | } |
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55 | else // client |
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56 | { |
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57 | (*win)->client_win = new ::MPI_Win; |
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58 | |
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59 | for(int i=0; i<num_ep; i++) |
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60 | { |
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61 | if(rank_loc == i) |
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62 | { |
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63 | printf("Calling MPI_Win_allocate from client, rank = %d\n", rank); |
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64 | ::MPI_Win_allocate(to_mpi_aint(size), disp_unit, to_mpi_info(info), to_mpi_comm(comm->mpi_comm), baseptr, static_cast< ::MPI_Win*>((*win)->client_win)); |
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65 | (*win)->comm = comm; |
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66 | } |
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67 | MPI_Barrier_local(comm); |
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68 | } |
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69 | |
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70 | if(num_ep_max > num_ep) |
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71 | { |
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72 | #pragma omp master |
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73 | { |
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74 | for(int i=0; i<num_ep_max-num_ep; i++) |
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75 | { |
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76 | (*win)->null_win[i] = new ::MPI_Win; |
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77 | ::MPI_Win_allocate(0, disp_unit, to_mpi_info(info), to_mpi_comm(comm->mpi_comm), baseptr, static_cast< ::MPI_Win*>((*win)->null_win[i])); |
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78 | } |
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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 0; |
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84 | } |
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85 | |
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86 | } |
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