[1381] | 1 | #include "ep_lib.hpp" |
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| 2 | #include <stdio.h> |
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| 3 | #include <assert.h> |
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| 4 | #include "ep_declaration.hpp" |
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| 5 | #include <omp.h> |
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| 6 | #include <time.h> /* time */ |
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| 7 | #include <ctime> |
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| 8 | #include <ratio> |
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| 9 | #include <chrono> |
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| 10 | |
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| 11 | using namespace ep_lib; |
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| 12 | using namespace std::chrono; |
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| 13 | |
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| 14 | |
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| 15 | int main(int argc, char **argv) |
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| 16 | { |
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| 17 | srand (time(NULL)); |
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| 18 | |
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| 19 | printf("Testing ep_lib\n"); |
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| 20 | int required=3, provided; |
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| 21 | |
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| 22 | MPI_Init_thread(&argc, &argv, required, &provided); |
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| 23 | |
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| 24 | assert(required==provided); |
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| 25 | |
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| 26 | int mpi_rank; |
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| 27 | int mpi_size; |
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| 28 | |
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| 29 | MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank); |
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| 30 | MPI_Comm_size(MPI_COMM_WORLD, &mpi_size); |
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| 31 | |
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| 32 | |
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| 33 | |
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| 34 | |
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| 35 | |
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| 36 | |
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| 37 | |
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[1382] | 38 | //omp_set_num_threads(4); |
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[1381] | 39 | |
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| 40 | |
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| 41 | |
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| 42 | #pragma omp parallel default(shared) |
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| 43 | { |
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| 44 | MPI_Comm_rank(MPI_COMM_WORLD , &mpi_rank); |
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| 45 | |
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| 46 | int num_ep = omp_get_num_threads(); |
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| 47 | MPI_Info info; |
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| 48 | |
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| 49 | //printf("mpi_rank = %d, thread_num = %d\n", mpi_rank, omp_get_thread_num()); |
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| 50 | |
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| 51 | MPI_Comm *ep_comm; |
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| 52 | #pragma omp master |
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| 53 | { |
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| 54 | MPI_Comm *ep_comm; |
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| 55 | MPI_Comm_create_endpoints(MPI_COMM_WORLD.mpi_comm, num_ep, info, ep_comm); |
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| 56 | passage = ep_comm; |
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| 57 | } |
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| 58 | |
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| 59 | #pragma omp barrier |
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| 60 | |
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| 61 | |
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| 62 | MPI_Comm comm; // this should act as EP_COMM_WORLD |
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| 63 | comm = passage[omp_get_thread_num()]; |
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| 64 | |
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| 65 | int rank, size; |
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| 66 | MPI_Comm_rank(comm, &rank); |
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| 67 | MPI_Comm_size(comm, &size); |
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| 68 | |
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| 69 | // TIMING SYCHRONIZATION |
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| 70 | { |
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| 71 | int n=100000; |
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[1382] | 72 | |
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| 73 | MPI_Barrier(comm); |
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[1381] | 74 | |
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| 75 | high_resolution_clock::time_point t1 = high_resolution_clock::now(); |
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| 76 | |
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| 77 | for(int i=0; i<n; i++) |
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| 78 | MPI_Barrier_local(comm); |
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| 79 | |
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| 80 | high_resolution_clock::time_point t2 = high_resolution_clock::now(); |
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| 81 | duration<double> time_span = duration_cast<duration<double>>(t2 - t1); |
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| 82 | #pragma omp master |
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| 83 | std::cout << "proc "<< mpi_rank <<" ep_barrier "<< time_span.count() << " seconds."<<std::endl; |
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| 84 | |
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| 85 | t1 = high_resolution_clock::now(); |
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| 86 | |
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| 87 | for(int i=0; i<n; i++) |
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| 88 | { |
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| 89 | #pragma omp barrier |
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| 90 | } |
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| 91 | |
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| 92 | t2 = high_resolution_clock::now(); |
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| 93 | time_span = duration_cast<duration<double>>(t2 - t1); |
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| 94 | |
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| 95 | #pragma omp master |
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| 96 | std::cout << "proc "<< mpi_rank <<" omp_barrier "<< time_span.count() << " seconds."<<std::endl; |
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| 97 | |
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| 98 | t1 = high_resolution_clock::now(); |
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| 99 | |
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| 100 | for(int i=0; i<n; i++) |
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| 101 | { |
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| 102 | //#pragma omp barrier |
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| 103 | } |
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| 104 | |
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| 105 | t2 = high_resolution_clock::now(); |
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| 106 | time_span = duration_cast<duration<double>>(t2 - t1); |
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| 107 | |
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| 108 | MPI_Barrier(comm); |
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[1382] | 109 | |
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[1381] | 110 | #pragma omp master |
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| 111 | std::cout << "proc "<< mpi_rank <<" for_loop "<< time_span.count() << " seconds."<<std::endl; |
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| 112 | } |
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| 113 | |
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| 114 | |
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| 115 | // TEST OF BCAST FROM A RANDOM ROOT |
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| 116 | { |
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| 117 | int bcast_root; |
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| 118 | |
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| 119 | if(rank == 0) bcast_root = rand() % size; |
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| 120 | |
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| 121 | MPI_Bcast(&bcast_root, 1, MPI_INT, 0, comm); |
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| 122 | |
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| 123 | int sendbuf[2]; |
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| 124 | |
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| 125 | sendbuf[0] = rank; |
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| 126 | sendbuf[1] = size; |
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| 127 | |
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| 128 | MPI_Bcast(sendbuf, 2, MPI_INT, bcast_root, comm); |
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| 129 | |
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| 130 | int bcast_test = 0; |
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| 131 | if(sendbuf[0] == bcast_root && sendbuf[1] == size) bcast_test = 1; |
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| 132 | |
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| 133 | int bcast_result; |
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| 134 | |
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| 135 | MPI_Reduce(&bcast_test, &bcast_result, 1, MPI_INT, MPI_MIN, bcast_root, comm); |
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| 136 | |
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| 137 | if(bcast_result && rank == bcast_root) printf("root = %d : \t test MPI_Bcast \t OK\n", bcast_root); |
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| 138 | if(!bcast_result && rank == bcast_root) printf("root = %d : \t test MPI_Bcast \t FAILED %d\n", bcast_root, bcast_result); |
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| 139 | } |
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| 140 | |
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| 141 | MPI_Barrier(comm); |
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| 142 | |
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| 143 | // TEST OF GATHER FROM A RAMDOM ROOT |
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| 144 | { |
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| 145 | int gather_root; |
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| 146 | |
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| 147 | if(rank == 0) gather_root = rand() % size; |
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| 148 | |
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| 149 | MPI_Bcast(&gather_root, 1, MPI_INT, 0, comm); |
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| 150 | |
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| 151 | double sendbuf[2]; |
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| 152 | sendbuf[0] = rank * 1.0; |
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| 153 | sendbuf[1] = size * (-1.0); |
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| 154 | |
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| 155 | std::vector<double>recvbuf(2*size, 0); |
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| 156 | |
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| 157 | MPI_Gather(sendbuf, 2, MPI_DOUBLE, recvbuf.data(), 2, MPI_DOUBLE, gather_root, comm); |
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| 158 | |
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| 159 | bool gather_result = true; |
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| 160 | |
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| 161 | if(rank == gather_root) |
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| 162 | { |
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| 163 | for(int i=0; i<size; i++) |
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| 164 | { |
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| 165 | if(abs(recvbuf[2*i] - i) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
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| 166 | { |
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| 167 | gather_result = false; |
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| 168 | break; |
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| 169 | } |
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| 170 | } |
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| 171 | |
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| 172 | if(gather_result) printf("root = %d : \t test MPI_Gather \t OK \n", gather_root); |
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| 173 | else printf("root = %d : \t test MPI_Gather \t FAILED\n", gather_root); |
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| 174 | } |
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| 175 | } |
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| 176 | |
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| 177 | MPI_Barrier(comm); |
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| 178 | |
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| 179 | // TEST OF GATHERV FROM A RAMDOM ROOT |
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| 180 | { |
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| 181 | int gatherv_root; |
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| 182 | |
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| 183 | if(rank == 0) gatherv_root = rand() % size; |
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| 184 | |
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| 185 | MPI_Bcast(&gatherv_root, 1, MPI_INT, 0, comm); |
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| 186 | |
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| 187 | int sendbuf[2]; |
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| 188 | sendbuf[0] = rank; |
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| 189 | sendbuf[1] = -size; |
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| 190 | |
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| 191 | std::vector<int>recvbuf(2*size, 0); |
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| 192 | |
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| 193 | std::vector<int>recvcounts(size, 2); |
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| 194 | std::vector<int>displs(size, 0); |
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| 195 | |
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| 196 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
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| 197 | |
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| 198 | MPI_Gatherv(sendbuf, 2, MPI_INT, recvbuf.data(), recvcounts.data(), displs.data(), MPI_INT, gatherv_root, comm); |
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| 199 | |
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| 200 | bool gatherv_result = true; |
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| 201 | |
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| 202 | if(rank == gatherv_root) |
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| 203 | { |
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| 204 | for(int i=0; i<size; i++) |
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| 205 | { |
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| 206 | if(abs(recvbuf[2*i] - (size-1-i)) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
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| 207 | { |
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| 208 | gatherv_result = false; printf("%lf %lf root = %d, i = %d\n", recvbuf[2*i], recvbuf[2*i+1], gatherv_root, i); |
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| 209 | break; |
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| 210 | } |
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| 211 | } |
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| 212 | |
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| 213 | //for(int i=0; i<size*2; i++) printf("%lf\t", recvbuf[i]); |
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| 214 | //printf("\n"); |
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| 215 | |
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| 216 | if(gatherv_result) printf("root = %d : \t test MPI_Gatherv \t OK\n", gatherv_root); |
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| 217 | else printf("root = %d : \t test MPI_Gatherv \t FAILED\n", gatherv_root); |
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| 218 | } |
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| 219 | } |
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| 220 | |
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| 221 | MPI_Barrier(comm); |
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| 222 | |
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| 223 | // TEST OF ALLGATHER |
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| 224 | { |
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| 225 | double sendbuf[2]; |
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| 226 | sendbuf[0] = rank * 1.0; |
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| 227 | sendbuf[1] = size * (-1.0); |
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| 228 | |
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| 229 | std::vector<double>recvbuf(2*size, 0); |
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| 230 | |
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| 231 | MPI_Allgather(sendbuf, 2, MPI_DOUBLE, recvbuf.data(), 2, MPI_DOUBLE, comm); |
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| 232 | |
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| 233 | int allgather_test = 1; |
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| 234 | |
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| 235 | for(int i=0; i<size; i++) |
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| 236 | { |
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| 237 | if(abs(recvbuf[2*i] - i) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
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| 238 | { |
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| 239 | allgather_test = 0; |
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| 240 | break; |
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| 241 | } |
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| 242 | } |
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| 243 | |
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| 244 | int allgather_result; |
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| 245 | MPI_Reduce(&allgather_test, &allgather_result, 1, MPI_INT, MPI_MIN, 0, comm); |
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| 246 | |
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| 247 | if(rank == 0 && allgather_result) printf(" \t test MPI_Allgather \t OK \n"); |
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| 248 | if(rank == 0 && !allgather_result) printf(" \t test MPI_Allgather \t OK \n"); |
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| 249 | |
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| 250 | } |
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| 251 | |
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| 252 | MPI_Barrier(comm); |
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| 253 | |
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| 254 | // TEST OF ALLGATHERV |
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| 255 | { |
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| 256 | int sendbuf[2]; |
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| 257 | sendbuf[0] = rank; |
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| 258 | sendbuf[1] = -size; |
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| 259 | |
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| 260 | std::vector<int>recvbuf(2*size, 0); |
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| 261 | |
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| 262 | std::vector<int>recvcounts(size, 2); |
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| 263 | std::vector<int>displs(size, 0); |
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| 264 | |
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| 265 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
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| 266 | |
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| 267 | MPI_Allgatherv(sendbuf, 2, MPI_INT, recvbuf.data(), recvcounts.data(), displs.data(), MPI_INT, comm); |
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| 268 | |
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| 269 | int allgatherv_test = 1; |
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| 270 | |
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| 271 | |
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| 272 | |
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| 273 | for(int i=0; i<size; i++) |
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| 274 | { |
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| 275 | if(abs(recvbuf[2*i] - (size-1-i)) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
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| 276 | { |
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| 277 | allgatherv_test = 0; printf("ID : %d %d %d %d %d\n", rank, recvbuf[2*i], recvbuf[2*i+1] , recvbuf[2*i] - (size-1-i), recvbuf[2*i+1] + size); |
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| 278 | break; |
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| 279 | } |
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| 280 | } |
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| 281 | |
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| 282 | |
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| 283 | int allgatherv_result; |
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| 284 | MPI_Reduce(&allgatherv_test, &allgatherv_result, 1, MPI_INT, MPI_MIN, 0, comm); |
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| 285 | |
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| 286 | if(rank == 0 && allgatherv_result) printf(" \t test MPI_Allgatherv \t OK \n"); |
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| 287 | if(rank == 0 && !allgatherv_result) printf(" \t test MPI_Allgatherv \t FAILED %d\n", allgatherv_result); |
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| 288 | |
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| 289 | } |
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| 290 | |
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| 291 | MPI_Barrier(comm); |
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| 292 | |
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| 293 | // TEST OF REDUCE |
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| 294 | { |
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| 295 | int reduce_root; |
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| 296 | |
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| 297 | if(rank == 0) reduce_root = rand() % size; |
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| 298 | |
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| 299 | MPI_Bcast(&reduce_root, 1, MPI_INT, 0, comm); |
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| 300 | |
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| 301 | int sendbuf[2]; |
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| 302 | sendbuf[0] = rank; |
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| 303 | sendbuf[1] = -size; |
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| 304 | |
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| 305 | std::vector<int>recvbuf(2, 0); |
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| 306 | |
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| 307 | MPI_Op op = MPI_MIN; |
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| 308 | |
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| 309 | MPI_Reduce(sendbuf, recvbuf.data(), 2, MPI_INT, op, reduce_root, comm); |
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| 310 | |
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| 311 | |
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| 312 | bool reduce_result = true; |
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| 313 | |
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| 314 | if(rank == reduce_root) |
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| 315 | { |
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| 316 | for(int i=0; i<2; i++) |
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| 317 | { |
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| 318 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[1] + size * size) > 1.e-10) ) || |
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| 319 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) || |
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| 320 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) ) |
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| 321 | { |
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| 322 | reduce_result = false; printf("%d %d root = %d, i = %d\n", recvbuf[0], recvbuf[1], reduce_root, i); |
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| 323 | break; |
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| 324 | } |
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| 325 | } |
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| 326 | } |
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| 327 | |
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| 328 | if(rank == reduce_root && reduce_result) printf("root = %d : \t test MPI_Reduce \t OK\n", reduce_root); |
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| 329 | if(rank == reduce_root && !reduce_result) printf("root = %d : \t test MPI_Reduce \t FAILED\n", reduce_root); |
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| 330 | } |
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| 331 | |
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| 332 | |
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| 333 | MPI_Barrier(comm); |
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| 334 | |
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| 335 | // TEST OF ALLREDUCE |
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| 336 | { |
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| 337 | |
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| 338 | int sendbuf[2]; |
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| 339 | sendbuf[0] = rank; |
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| 340 | sendbuf[1] = -size; |
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| 341 | |
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| 342 | std::vector<int>recvbuf(2, 0); |
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| 343 | |
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| 344 | MPI_Op op = MPI_MIN; |
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| 345 | |
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| 346 | MPI_Allreduce(sendbuf, recvbuf.data(), 2, MPI_INT, op, comm); |
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| 347 | |
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| 348 | |
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| 349 | int allreduce_test = 1; |
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| 350 | |
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| 351 | |
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| 352 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[1] + size * size) > 1.e-10) ) || |
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| 353 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) || |
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| 354 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) ) |
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| 355 | { |
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| 356 | allreduce_test = 0; printf("%d %d\n", recvbuf[0], recvbuf[1]); |
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| 357 | } |
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| 358 | |
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| 359 | |
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| 360 | int allreduce_result; |
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| 361 | MPI_Reduce(&allreduce_test, &allreduce_result, 1, MPI_INT, MPI_MIN, 0, comm); |
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| 362 | |
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| 363 | if(rank == 0 && allreduce_result) printf(" \t test MPI_Allreduce \t OK\n"); |
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| 364 | if(rank == 0 && !allreduce_result) printf(" \t test MPI_Allreduce \t FAILED\n"); |
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| 365 | } |
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| 366 | |
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| 367 | |
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| 368 | MPI_Barrier(comm); |
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| 369 | |
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| 370 | // TEST OF REDUCE_SCATTER |
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| 371 | { |
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| 372 | |
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| 373 | std::vector<int>sendbuf(2*size, rank); |
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| 374 | std::vector<int>recvbuf(2, -1); |
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| 375 | std::vector<int>recvcounts(size, 2); |
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| 376 | |
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| 377 | MPI_Op op = MPI_MIN; |
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| 378 | |
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| 379 | MPI_Reduce_scatter(sendbuf.data(), recvbuf.data(), recvcounts.data(), MPI_INT, op, comm); |
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| 380 | |
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| 381 | |
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| 382 | int reduce_scatter_test = 1; |
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| 383 | |
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| 384 | |
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| 385 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[0]-(size-1)*size/2) > 1.e-10) ) || |
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| 386 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1]-(size-1)) > 1.e-10) ) || |
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| 387 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] ) > 1.e-10) ) ) |
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| 388 | { |
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| 389 | reduce_scatter_test = 0; //printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
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| 390 | } |
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| 391 | |
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| 392 | |
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| 393 | int reduce_scatter_result; |
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| 394 | MPI_Reduce(&reduce_scatter_test, &reduce_scatter_result, 1, MPI_INT, MPI_MIN, 0, comm); |
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| 395 | |
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| 396 | if(rank == 0 && reduce_scatter_result) printf(" \t test MPI_Reduce_scatter OK\n"); |
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| 397 | if(rank == 0 && !reduce_scatter_result) printf(" \t test MPI_Reduce_scatter FAILED\n"); |
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| 398 | } |
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| 399 | |
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| 400 | MPI_Barrier(comm); |
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| 401 | |
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| 402 | // TEST OF SCATTER |
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| 403 | { |
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| 404 | |
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| 405 | int scatter_root; |
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| 406 | |
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| 407 | if(rank == 0) scatter_root = rand() % size; |
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| 408 | |
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| 409 | MPI_Bcast(&scatter_root, 1, MPI_INT, 0, comm); |
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| 410 | |
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| 411 | std::vector<int>sendbuf(2*size, rank); |
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| 412 | std::vector<int>recvbuf(2, -1); |
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| 413 | std::vector<int>recvcounts(size, 2); |
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| 414 | |
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| 415 | if(rank == scatter_root) |
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| 416 | { |
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| 417 | for(int i=0; i<size; i++) |
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| 418 | { |
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| 419 | sendbuf[2*i] = i; |
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| 420 | sendbuf[2*i+1] = size; |
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| 421 | } |
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| 422 | //for(int i=0; i<size*2; i++) printf("%d\t", sendbuf[i]); |
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| 423 | } |
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| 424 | |
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| 425 | |
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| 426 | MPI_Scatter(sendbuf.data(), 2, MPI_INT, recvbuf.data(), 2, MPI_INT, scatter_root, comm); |
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| 427 | |
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| 428 | //printf("ID = %d : %d %d\n", rank, recvbuf[0], recvbuf[1]); |
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| 429 | |
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| 430 | int scatter_test = 1; |
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| 431 | |
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| 432 | |
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| 433 | if( abs(recvbuf[0]-rank) > 1.e-10 || abs(recvbuf[1]-size) > 1.e-10 ) |
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| 434 | { |
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| 435 | scatter_test = 0; //printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
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| 436 | } |
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| 437 | |
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| 438 | |
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| 439 | int scatter_result; |
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| 440 | MPI_Reduce(&scatter_test, &scatter_result, 1, MPI_INT, MPI_MIN, scatter_root, comm); |
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| 441 | |
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| 442 | if(rank == scatter_root && scatter_result) printf("root = %d : \t test MPI_Scatter \t OK\n", scatter_root); |
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| 443 | if(rank == scatter_root && !scatter_result) printf("root = %d : \t test MPI_Scatter \t FAILED\n", scatter_root); |
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| 444 | } |
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| 445 | |
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| 446 | MPI_Barrier(comm); |
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| 447 | |
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| 448 | // TEST OF SCATTERV |
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| 449 | { |
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| 450 | |
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| 451 | int scatterv_root; |
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| 452 | |
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| 453 | if(rank == 0) scatterv_root = rand() % size; |
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| 454 | |
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| 455 | MPI_Bcast(&scatterv_root, 1, MPI_INT, 0, comm); |
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| 456 | |
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| 457 | std::vector<int>sendbuf(2*size, rank); |
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| 458 | std::vector<int>recvbuf(2, -1); |
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| 459 | std::vector<int>sendcounts(size, 2); |
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| 460 | std::vector<int>displs(size, 0); |
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| 461 | |
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| 462 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
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| 463 | |
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| 464 | if(rank == scatterv_root) |
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| 465 | { |
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| 466 | for(int i=0; i<size; i++) |
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| 467 | { |
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| 468 | sendbuf[2*i] = i; |
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| 469 | sendbuf[2*i+1] = size; |
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| 470 | } |
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| 471 | } |
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| 472 | |
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| 473 | |
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| 474 | MPI_Scatterv(sendbuf.data(), sendcounts.data(), displs.data(), MPI_INT, recvbuf.data(), 2, MPI_INT, scatterv_root, comm); |
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| 475 | |
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| 476 | //printf("ID = %d : %d %d\n", rank, recvbuf[0], recvbuf[1]); |
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| 477 | |
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| 478 | int scatterv_test = 1; |
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| 479 | |
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| 480 | |
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| 481 | if( abs(recvbuf[0]-(size-1-rank)) > 1.e-10 || abs(recvbuf[1]-size) > 1.e-10 ) |
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| 482 | { |
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| 483 | scatterv_test = 0; printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
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| 484 | } |
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| 485 | |
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| 486 | |
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| 487 | int scatterv_result; |
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| 488 | MPI_Reduce(&scatterv_test, &scatterv_result, 1, MPI_INT, MPI_MIN, scatterv_root, comm); |
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| 489 | |
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| 490 | if(rank == scatterv_root && scatterv_result) printf("root = %d : \t test MPI_Scatterv \t OK\n", scatterv_root); |
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| 491 | if(rank == scatterv_root && !scatterv_result) printf("root = %d : \t test MPI_Scatterv \t FAILED\n", scatterv_root); |
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| 492 | } |
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| 493 | |
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| 494 | MPI_Barrier(comm); |
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| 495 | |
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| 496 | // TEST OF ALLTOALL |
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| 497 | { |
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| 498 | |
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| 499 | std::vector<int>sendbuf(size, rank); |
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| 500 | std::vector<int>recvbuf(size, -1); |
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| 501 | |
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| 502 | |
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| 503 | MPI_Alltoall(sendbuf.data(), 1, MPI_INT, recvbuf.data(), 1, MPI_INT, comm); |
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| 504 | |
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| 505 | int alltoall_result = 1; |
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| 506 | |
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| 507 | |
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| 508 | for(int i=0; i<size; i++) |
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| 509 | if( abs(recvbuf[i]-i) > 1.e-10 ) |
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| 510 | { |
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| 511 | alltoall_result = 0; printf("%d id = %d\n", recvbuf[i], rank); |
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| 512 | } |
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| 513 | |
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| 514 | if(rank == 0 && alltoall_result) printf(" \t test MPI_Alltoall \t OK\n"); |
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| 515 | if(rank == 0 && !alltoall_result) printf(" \t test MPI_Alltoall \t FAILED\n"); |
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| 516 | } |
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| 517 | |
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| 518 | // TEST OF SCAN |
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| 519 | { |
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| 520 | |
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| 521 | std::vector<int>sendbuf(2, rank); |
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| 522 | std::vector<int>recvbuf(2, -1); |
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| 523 | |
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| 524 | MPI_Op op = MPI_SUM; |
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| 525 | |
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| 526 | |
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| 527 | MPI_Scan(sendbuf.data(), recvbuf.data(), 2, MPI_INT, op, comm); |
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| 528 | |
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| 529 | int scan_test = 1; |
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| 530 | |
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| 531 | // printf(" ID=%d : %d %d \n", rank, recvbuf[0], recvbuf[1]); |
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| 532 | |
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| 533 | if((op == MPI_SUM && (abs(recvbuf[0]-rank*(rank+1)/2) > 1.e-10 || abs(recvbuf[1]-rank*(rank+1)/2) > 1.e-10) ) || |
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| 534 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1]) > 1.e-10) ) || |
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| 535 | (op == MPI_MAX && (abs(recvbuf[0] - rank) > 1.e-10 || abs(recvbuf[1] - rank) > 1.e-10) ) ) |
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| 536 | { |
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| 537 | scan_test = 0; //printf("%d id = %d\n", recvbuf[i], rank); |
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| 538 | } |
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| 539 | |
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| 540 | int scan_result; |
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| 541 | MPI_Reduce(&scan_test, &scan_result, 1, MPI_INT, MPI_MIN, 0, comm); |
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| 542 | |
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| 543 | if(rank == 0 && scan_result) printf(" \t test MPI_Scan \t\t OK\n"); |
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| 544 | if(rank == 0 && !scan_result) printf(" \t test MPI_Scan \t\t FAILED\n"); |
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| 545 | } |
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| 546 | |
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| 547 | |
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| 548 | // TEST OF EXSCAN |
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| 549 | { |
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| 550 | |
---|
| 551 | std::vector<int>sendbuf(2, rank); |
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| 552 | std::vector<int>recvbuf(2, -1); |
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| 553 | |
---|
| 554 | MPI_Op op = MPI_SUM; |
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| 555 | |
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| 556 | |
---|
| 557 | MPI_Exscan(sendbuf.data(), recvbuf.data(), 2, MPI_INT, op, comm); |
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| 558 | |
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| 559 | int exscan_test = 1; |
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| 560 | |
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| 561 | // printf(" ID=%d : %d %d \n", rank, recvbuf[0], recvbuf[1]); |
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| 562 | |
---|
| 563 | if(rank >0) |
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| 564 | if((op == MPI_SUM && (abs(recvbuf[0]-rank*(rank-1)/2) > 1.e-10 || abs(recvbuf[1]-rank*(rank-1)/2) > 1.e-10) ) || |
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| 565 | (op == MPI_MIN && (abs(recvbuf[0] ) > 1.e-10 || abs(recvbuf[1]) > 1.e-10) ) || |
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| 566 | (op == MPI_MAX && (abs(recvbuf[0] - rank+1) > 1.e-10 || abs(recvbuf[1] - rank+1) > 1.e-10) ) ) |
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| 567 | { |
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| 568 | exscan_test = 0; //printf("%d id = %d\n", recvbuf[i], rank); |
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| 569 | } |
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| 570 | |
---|
| 571 | int exscan_result; |
---|
| 572 | MPI_Reduce(&exscan_test, &exscan_result, 1, MPI_INT, MPI_MIN, 0, comm); |
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| 573 | |
---|
| 574 | if(rank == 0 && exscan_result) printf(" \t test MPI_Exscan \t OK\n"); |
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| 575 | if(rank == 0 && !exscan_result) printf(" \t test MPI_Exscan \t FAILED\n"); |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | |
---|
| 579 | |
---|
| 580 | |
---|
| 581 | /* |
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| 582 | MPI_Barrier(comm); |
---|
| 583 | { |
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| 584 | int rank, size; |
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| 585 | MPI_Comm_rank(comm, &rank); |
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| 586 | MPI_Comm_size(comm, &size); |
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| 587 | |
---|
| 588 | //int color = rank%2; |
---|
| 589 | int color, remote_leader; |
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| 590 | if(rank<size-2) {color = 1; remote_leader = size-2;} |
---|
| 591 | else {color = 0; remote_leader = 0;} |
---|
| 592 | |
---|
| 593 | printf("rank = %d, color = %d, remote_leader = %d\n", rank, color, remote_leader); |
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| 594 | |
---|
| 595 | MPI_Comm sub_comm; |
---|
| 596 | MPI_Comm_split(comm, color, rank, &sub_comm); |
---|
| 597 | |
---|
| 598 | |
---|
| 599 | |
---|
| 600 | int sub_rank; |
---|
| 601 | MPI_Comm_rank(sub_comm, &sub_rank); |
---|
| 602 | |
---|
| 603 | |
---|
| 604 | MPI_Barrier(comm); |
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| 605 | if(rank == 0) printf("\tMPI_Comm_split OK\n"); |
---|
| 606 | MPI_Barrier(comm); |
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| 607 | |
---|
| 608 | MPI_Comm inter_comm; |
---|
| 609 | //MPI_Intercomm_create(sub_comm, 0, comm, (color+1)%2, 99, &inter_comm); |
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| 610 | MPI_Intercomm_create(sub_comm, 0, comm, remote_leader, 99, &inter_comm); |
---|
| 611 | |
---|
| 612 | MPI_Barrier(comm); |
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| 613 | if(rank == 0) printf("\tMPI_Intercomm_create OK\n"); |
---|
| 614 | MPI_Barrier(comm); |
---|
| 615 | |
---|
| 616 | |
---|
| 617 | |
---|
| 618 | int high=color; |
---|
| 619 | MPI_Comm intra_comm; |
---|
| 620 | MPI_Intercomm_merge(inter_comm, high, &intra_comm); |
---|
| 621 | |
---|
| 622 | int intra_rank, intra_size; |
---|
| 623 | MPI_Comm_rank(intra_comm, &intra_rank); |
---|
| 624 | MPI_Comm_size(intra_comm, &intra_size); |
---|
| 625 | |
---|
| 626 | MPI_Barrier(comm); |
---|
| 627 | if(rank == 0) printf("\tMPI_Intercomm_merge OK\n"); |
---|
| 628 | MPI_Barrier(comm); |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | //check_test_gatherv(comm); |
---|
| 632 | |
---|
| 633 | // MPI_Barrier(comm); |
---|
| 634 | // MPI_Comm_free(&sub_comm); |
---|
| 635 | |
---|
| 636 | |
---|
| 637 | // MPI_Barrier(comm); |
---|
| 638 | // MPI_Comm_free(&inter_comm); |
---|
| 639 | */ |
---|
| 640 | |
---|
| 641 | MPI_Barrier(comm); |
---|
| 642 | MPI_Comm_free(&comm); |
---|
| 643 | } |
---|
| 644 | |
---|
[1382] | 645 | int num_threads; |
---|
| 646 | if(mpi_rank < mpi_size-2) |
---|
| 647 | { |
---|
| 648 | printf("Proc %d is client\n", mpi_rank); |
---|
| 649 | num_threads = 2; |
---|
| 650 | } |
---|
| 651 | else |
---|
| 652 | { |
---|
| 653 | printf("Proc %d is server\n", mpi_rank); |
---|
| 654 | num_threads = 1; |
---|
| 655 | } |
---|
| 656 | |
---|
| 657 | omp_set_num_threads(num_threads); |
---|
| 658 | |
---|
| 659 | #pragma omp parallel default(shared) firstprivate(num_threads) |
---|
| 660 | { |
---|
| 661 | int num_ep = num_threads; |
---|
| 662 | MPI_Info info; |
---|
| 663 | |
---|
| 664 | //printf("omp_get_thread_num() = %d, omp_get_num_threads() = %d, num_threads = %d\n", omp_get_thread_num(), omp_get_num_threads(), num_threads); |
---|
| 665 | MPI_Comm *ep_comm; |
---|
| 666 | #pragma omp master |
---|
| 667 | { |
---|
| 668 | MPI_Comm *ep_comm; |
---|
| 669 | MPI_Comm_create_endpoints(MPI_COMM_WORLD.mpi_comm, num_ep, info, ep_comm); |
---|
| 670 | passage = ep_comm; |
---|
| 671 | } |
---|
| 672 | |
---|
| 673 | #pragma omp barrier |
---|
| 674 | |
---|
| 675 | |
---|
| 676 | MPI_Comm comm; // this should act as EP_COMM_WORLD |
---|
| 677 | comm = passage[omp_get_thread_num()]; |
---|
| 678 | |
---|
| 679 | int rank, size; |
---|
| 680 | MPI_Comm_rank(comm, &rank); |
---|
| 681 | MPI_Comm_size(comm, &size); |
---|
| 682 | |
---|
| 683 | |
---|
| 684 | |
---|
| 685 | bool isClient = false; |
---|
| 686 | bool isServer = false; |
---|
| 687 | |
---|
| 688 | if(omp_get_num_threads()>1) isClient = true; |
---|
| 689 | else isServer = true; |
---|
| 690 | |
---|
| 691 | printf("mpi_rank = %d, ep_rank = %d, isClient = %d\n", mpi_rank, rank, isClient); |
---|
| 692 | |
---|
| 693 | MPI_Win ep_win; |
---|
| 694 | MPI_Aint buf_size(1); |
---|
| 695 | int buf; |
---|
| 696 | MPI_Win_create(&buf, buf_size, sizeof(int), info, comm, &ep_win); |
---|
| 697 | MPI_Barrier(comm); |
---|
| 698 | |
---|
| 699 | // MPI_Win_fence(MPI_MODE_NOPRECEDE, ep_win); |
---|
| 700 | |
---|
| 701 | MPI_Barrier(comm); |
---|
| 702 | sleep(0.2); |
---|
| 703 | MPI_Barrier(comm); |
---|
| 704 | |
---|
| 705 | MPI_Win_fence(MPI_MODE_NOSUCCEED, ep_win); |
---|
| 706 | |
---|
| 707 | MPI_Barrier(comm); |
---|
| 708 | |
---|
| 709 | |
---|
| 710 | MPI_Win_free(&ep_win); |
---|
| 711 | printf("comm free\n"); |
---|
| 712 | |
---|
| 713 | MPI_Comm_free(&comm); |
---|
| 714 | |
---|
| 715 | } |
---|
| 716 | |
---|
[1381] | 717 | MPI_Finalize(); |
---|
| 718 | |
---|
| 719 | } |
---|