1 | /*! |
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2 | \file ep_test.cpp |
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3 | \since 2 may 2016 |
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4 | |
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5 | \brief Definitions of MPI test function: MPI_Test, MPI_Testsome, MPI_Testany, MPI_Testall |
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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 | |
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15 | namespace ep_lib { |
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16 | |
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17 | int MPI_Test(MPI_Request *request, int *flag, MPI_Status *status) |
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18 | { |
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19 | Debug("MPI_Test with EP"); |
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20 | |
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21 | *flag = false; |
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22 | |
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23 | |
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24 | if(request->type == 1) // isend |
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25 | { |
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26 | ::MPI_Request mpi_request = static_cast< ::MPI_Request >(request->mpi_request); |
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27 | ::MPI_Status mpi_status; |
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28 | ::MPI_Test(&mpi_request, flag, &mpi_status); |
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29 | |
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30 | if(*flag) |
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31 | { |
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32 | status->mpi_status = new ::MPI_Status(mpi_status); |
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33 | status->ep_src = request->ep_src; |
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34 | status->ep_tag = request->ep_tag; |
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35 | status->ep_datatype = request->ep_datatype; |
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36 | } |
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37 | |
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38 | return 0; |
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39 | } |
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40 | |
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41 | if(request->type == 2) // irecv message not probed |
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42 | { |
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43 | Message_Check(request->comm); |
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44 | #pragma omp flush |
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45 | MPI_Message message; |
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46 | MPI_Improbe(request->ep_src, request->ep_tag, request->comm, flag, &message, status); |
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47 | if(*flag) |
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48 | { |
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49 | |
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50 | int count; |
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51 | MPI_Get_count(status, request->ep_datatype, &count); |
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52 | MPI_Imrecv(request->buf, count, request->ep_datatype, &message, request); |
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53 | printf("in ep_test, found message src = %d, tag = %d, type = %d\n", request->ep_src, request->ep_tag, request->type); |
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54 | MPI_Test(request, flag, status); |
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55 | } |
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56 | return 0; |
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57 | } |
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58 | |
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59 | if(request->type == 3) // imrecv |
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60 | { |
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61 | ::MPI_Request *mpi_request = static_cast< ::MPI_Request* >(&(request->mpi_request)); |
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62 | ::MPI_Status mpi_status; |
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63 | |
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64 | ::MPI_Errhandler_set(MPI_COMM_WORLD_STD, MPI_ERRORS_RETURN); |
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65 | int error_code = ::MPI_Test(mpi_request, flag, &mpi_status); |
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66 | if (error_code != MPI_SUCCESS) { |
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67 | |
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68 | char error_string[BUFSIZ]; |
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69 | int length_of_error_string, error_class; |
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70 | |
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71 | ::MPI_Error_class(error_code, &error_class); |
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72 | ::MPI_Error_string(error_class, error_string, &length_of_error_string); |
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73 | printf("%s\n", error_string); |
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74 | } |
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75 | |
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76 | if(*flag) |
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77 | { |
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78 | status->mpi_status = new ::MPI_Status(mpi_status); |
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79 | status->ep_src = request->ep_src; |
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80 | status->ep_tag = request->ep_tag; |
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81 | status->ep_datatype = request->ep_datatype; |
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82 | //int count; |
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83 | //MPI_Get_count(status, request->ep_datatype, &count); |
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84 | //check_sum_recv(request->buf, count, request->ep_datatype, request->ep_src, request->ep_tag, request->comm, 2); |
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85 | } |
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86 | |
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87 | status->ep_src = request->ep_src; |
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88 | status->ep_tag = request->ep_tag; |
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89 | status->ep_datatype = request->ep_datatype; |
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90 | |
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91 | |
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92 | |
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93 | return 0; |
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94 | } |
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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 | int MPI_Testall(int count, MPI_Request *array_of_requests, int *flag, MPI_Status *array_of_statuses) |
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100 | { |
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101 | Debug("MPI_Testall with EP"); |
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102 | *flag = true; |
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103 | int i=0; |
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104 | while(*flag && i<count ) |
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105 | { |
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106 | MPI_Test(&array_of_requests[i], flag, &array_of_statuses[i]); |
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107 | i++; |
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108 | } |
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109 | } |
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110 | |
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111 | |
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112 | } |
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