1 | /*! |
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2 | \file ep_wait.cpp |
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3 | \since 2 may 2016 |
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4 | |
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5 | \brief Definitions of MPI wait function: MPI_Wait, MPI_Waitall, MPI_Waitsome, MPI_Waitany |
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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 | |
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12 | using namespace std; |
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13 | |
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14 | extern std::list< ep_lib::MPI_Request* > * EP_PendingRequests; |
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15 | #pragma omp threadprivate(EP_PendingRequests) |
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16 | |
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17 | |
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18 | |
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19 | namespace ep_lib |
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20 | { |
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21 | |
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22 | int MPI_Wait(MPI_Request *request, MPI_Status *status) |
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23 | { |
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24 | if(request->type !=1 && request->type !=2 && request->type !=3) |
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25 | { |
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26 | printf("Error in request type\n"); |
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27 | |
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28 | exit(1); |
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29 | } |
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30 | |
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31 | while(request->type == 2) Request_Check(); |
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32 | |
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33 | |
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34 | //::MPI_Request mpi_request = static_cast< ::MPI_Request >(request->mpi_request); |
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35 | ::MPI_Status mpi_status; |
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36 | ::MPI_Wait(&(request->mpi_request), &mpi_status); |
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37 | |
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38 | |
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39 | |
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40 | |
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41 | // request->mpi_request = mpi_request; |
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42 | |
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43 | status->mpi_status = &mpi_status; |
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44 | status->ep_src = request->ep_src; |
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45 | status->ep_tag = request->ep_tag; |
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46 | status->ep_datatype = request->ep_datatype; |
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47 | |
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48 | |
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49 | |
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50 | return MPI_SUCCESS; |
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51 | |
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52 | } /*end of mpi_wait*/ |
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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_Waitall(int count, MPI_Request *array_of_requests, MPI_Status *array_of_statuses) |
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60 | { |
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61 | std::vector<int> finished(count, 0); |
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62 | |
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63 | ::MPI_Request* mpi_request = new ::MPI_Request[count]; |
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64 | ::MPI_Status* mpi_status = new ::MPI_Status[count]; |
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65 | |
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66 | while(std::accumulate(finished.begin(), finished.end(), 0) < count) |
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67 | { |
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68 | |
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69 | for(int i=0; i<count; i++) |
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70 | { |
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71 | if(array_of_requests[i].type !=1 && array_of_requests[i].type !=2 && array_of_requests[i].type !=3) |
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72 | { |
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73 | printf("Error in request type\n"); |
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74 | |
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75 | exit(1); |
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76 | } |
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77 | |
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78 | if(array_of_requests[i].type == 2) Request_Check(); |
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79 | if(array_of_requests[i].type != 2 && finished.at(i) == 0) |
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80 | { |
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81 | finished.at(i) = 1; |
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82 | mpi_request[i] = static_cast< ::MPI_Request >(array_of_requests[i].mpi_request); |
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83 | } |
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84 | } |
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85 | } |
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86 | |
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87 | ::MPI_Waitall(count, mpi_request, mpi_status); |
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88 | |
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89 | for(int i=0; i<count; i++) |
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90 | { |
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91 | array_of_statuses[i].mpi_status = &mpi_status; |
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92 | array_of_statuses[i].ep_src = array_of_requests[i].ep_src; |
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93 | array_of_statuses[i].ep_tag = array_of_requests[i].ep_tag; |
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94 | array_of_statuses[i].ep_datatype = array_of_requests[i].ep_datatype; |
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95 | } |
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96 | |
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97 | delete[] mpi_request; |
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98 | delete[] mpi_status; |
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99 | |
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100 | |
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101 | return MPI_SUCCESS; |
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102 | } /* end of mpi_waitall*/ |
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103 | |
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104 | |
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105 | } |
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106 | |
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