- Timestamp:
- 05/18/17 17:40:03 (7 years ago)
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XIOS/dev/branch_yushan_merged/extern/src_ep_dev/ep_wait.cpp
r1134 r1138 1 1 /*! 2 3 2 \file ep_wait.cpp 3 \since 2 may 2016 4 4 5 6 */5 \brief Definitions of MPI wait function: MPI_Wait, MPI_Waitall, MPI_Waitsome, MPI_Waitany 6 */ 7 7 8 8 #include "ep_lib.hpp" … … 16 16 namespace ep_lib { 17 17 18 19 18 int MPI_Wait(MPI_Request *request, MPI_Status *status) 19 { 20 20 21 if(request->type == 1) 22 { 23 ::MPI_Request mpi_request = static_cast< ::MPI_Request >(request->mpi_request); 24 ::MPI_Status mpi_status; 25 ::MPI_Wait(&mpi_request, &mpi_status); 26 27 28 29 status->mpi_status = &mpi_status; 30 status->ep_src = request->ep_src; 31 status->ep_tag = request->ep_tag; 32 status->ep_datatype = request->ep_datatype; 33 34 return 0; 35 } 36 37 if(request->type == 2) 38 { 39 int flag = false; 40 MPI_Message message; 41 42 while(!flag) 43 { 44 Message_Check(request->comm); 45 #pragma omp flush 46 MPI_Improbe(request->ep_src, request->ep_tag, request->comm, &flag, &message, status); 47 } 48 49 int count; 50 MPI_Get_count(status, request->ep_datatype, &count); 51 MPI_Mrecv(request->buf, count, request->ep_datatype, &message, status); 52 status->ep_datatype = request->ep_datatype; 53 54 //check_sum_recv(request->buf, count, request->ep_datatype, request->ep_src, request->ep_tag, request->comm, 2); 55 56 return 0; 57 } 58 59 if(request->type == 3) 60 { 61 ::MPI_Request mpi_request = static_cast< ::MPI_Request >(request->mpi_request); 62 ::MPI_Status mpi_status; 63 ::MPI_Wait(&mpi_request, &mpi_status); 64 65 status->mpi_status = new ::MPI_Status(mpi_status); 66 status->ep_src = request->ep_src; 67 status->ep_tag = request->ep_tag; 68 status->ep_datatype = request->ep_datatype; 69 70 //int count; 71 //MPI_Get_count(status, request->ep_datatype, &count); 72 //check_sum_recv(request->buf, count, request->ep_datatype, request->ep_src, request->ep_tag, request->comm, 2); 73 } 74 return MPI_SUCCESS; 75 } 21 if(request->type == 1) 22 { 23 ::MPI_Request mpi_request = static_cast< ::MPI_Request >(request->mpi_request); 24 ::MPI_Status mpi_status; 25 ::MPI_Wait(&mpi_request, &mpi_status); 76 26 77 27 78 28 79 29 status->mpi_status = &mpi_status; 30 status->ep_src = request->ep_src; 31 status->ep_tag = request->ep_tag; 32 status->ep_datatype = request->ep_datatype; 33 34 return 0; 35 } 36 37 if(request->type == 2) 38 { 39 int flag = false; 40 MPI_Message message; 41 42 while(!flag) 43 { 44 Message_Check(request->comm); 45 #pragma omp flush 46 MPI_Improbe(request->ep_src, request->ep_tag, request->comm, &flag, &message, status); 47 } 48 49 int count; 50 MPI_Get_count(status, request->ep_datatype, &count); 51 MPI_Mrecv(request->buf, count, request->ep_datatype, &message, status); 52 status->ep_datatype = request->ep_datatype; 53 54 //check_sum_recv(request->buf, count, request->ep_datatype, request->ep_src, request->ep_tag, request->comm, 2); 55 56 return 0; 57 } 58 59 if(request->type == 3) 60 { 61 ::MPI_Request mpi_request = static_cast< ::MPI_Request >(request->mpi_request); 62 ::MPI_Status mpi_status; 63 ::MPI_Wait(&mpi_request, &mpi_status); 64 65 status->mpi_status = new ::MPI_Status(mpi_status); 66 status->ep_src = request->ep_src; 67 status->ep_tag = request->ep_tag; 68 status->ep_datatype = request->ep_datatype; 69 70 //int count; 71 //MPI_Get_count(status, request->ep_datatype, &count); 72 //check_sum_recv(request->buf, count, request->ep_datatype, request->ep_src, request->ep_tag, request->comm, 2); 73 } 74 return MPI_SUCCESS; 75 } 80 76 81 77 82 int MPI_Waitall(int count, MPI_Request *array_of_requests, MPI_Status *array_of_statuses)83 {84 int dest_rank;85 MPI_Comm_rank(MPI_COMM_WORLD, &dest_rank);86 87 int finished = 0;88 bool finished_index[count];89 78 90 for(int i=0; i<count; i++) 79 80 81 82 int MPI_Waitall(int count, MPI_Request *array_of_requests, MPI_Status *array_of_statuses) 91 83 { 92 finished_index[i] = false; 84 int dest_rank; 85 MPI_Comm_rank(MPI_COMM_WORLD, &dest_rank); 86 87 int finished = 0; 88 bool finished_index[count]; 89 90 for(int i=0; i<count; i++) 91 { 92 finished_index[i] = false; 93 } 94 95 while(finished < count) 96 { 97 for(int i=0; i<count; i++) 98 { 99 if(finished_index[i] == false) // this request has not been tested. 100 { 101 if(array_of_requests[i].type != 2) // isend or imrecv 102 { 103 MPI_Wait(&array_of_requests[i], &array_of_statuses[i]); 104 if(array_of_requests[i].type == 3) 105 { 106 //int check_count; 107 //MPI_Get_count(&array_of_statuses[i], array_of_requests[i].ep_datatype, &check_count); 108 //check_sum_recv(array_of_requests[i].buf, count, array_of_requests[i].ep_datatype, array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].comm, 2); 109 } 110 finished++; 111 finished_index[i] = true; 112 } 113 else // irecv 114 { 115 int flag = false; 116 MPI_Message message; 117 118 MPI_Improbe(array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].comm, &flag, &message, &array_of_statuses[i]); 119 120 if(flag) 121 { 122 //printf("dest_rank = %d, Waiting one message with src = %d, tag = %d, buf = %p\n", dest_rank, array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].buf); 123 int recv_count; 124 MPI_Get_count(&array_of_statuses[i], array_of_requests[i].ep_datatype, &recv_count); 125 MPI_Mrecv(array_of_requests[i].buf, recv_count, array_of_requests[i].ep_datatype, &message, &array_of_statuses[i]); 126 //check_sum_recv(array_of_requests[i].buf, recv_count, array_of_requests[i].ep_datatype, array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].comm, 2); 127 128 finished++; 129 finished_index[i] = true; 130 } 131 } 132 } 133 } 134 } 135 return MPI_SUCCESS; 93 136 } 94 95 while(finished < count)96 {97 for(int i=0; i<count; i++)98 {99 if(finished_index[i] == false) // this request has not been tested.100 {101 if(array_of_requests[i].type != 2) // isend or imrecv102 {103 MPI_Wait(&array_of_requests[i], &array_of_statuses[i]);104 if(array_of_requests[i].type == 3)105 {106 //int check_count;107 //MPI_Get_count(&array_of_statuses[i], array_of_requests[i].ep_datatype, &check_count);108 //check_sum_recv(array_of_requests[i].buf, count, array_of_requests[i].ep_datatype, array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].comm, 2);109 }110 finished++;111 finished_index[i] = true;112 }113 else // irecv114 {115 int flag = false;116 MPI_Message message;117 118 MPI_Improbe(array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].comm, &flag, &message, &array_of_statuses[i]);119 120 if(flag)121 {122 //printf("dest_rank = %d, Waiting one message with src = %d, tag = %d, buf = %p\n", dest_rank, array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].buf);123 int recv_count;124 MPI_Get_count(&array_of_statuses[i], array_of_requests[i].ep_datatype, &recv_count);125 MPI_Mrecv(array_of_requests[i].buf, recv_count, array_of_requests[i].ep_datatype, &message, &array_of_statuses[i]);126 //check_sum_recv(array_of_requests[i].buf, recv_count, array_of_requests[i].ep_datatype, array_of_requests[i].ep_src, array_of_requests[i].ep_tag, array_of_requests[i].comm, 2);127 128 finished++;129 finished_index[i] = true;130 }131 }132 }133 }134 }135 return MPI_SUCCESS;136 }137 137 138 138
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