[1381] | 1 | #include "ep_lib.hpp" |
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[1500] | 2 | |
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[1381] | 3 | #include <stdio.h> |
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| 4 | #include <assert.h> |
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| 5 | #include "ep_declaration.hpp" |
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| 6 | #include <omp.h> |
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| 7 | #include <time.h> /* time */ |
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| 8 | #include <ctime> |
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| 9 | #include <ratio> |
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| 10 | #include <chrono> |
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| 11 | |
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| 12 | using namespace ep_lib; |
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| 13 | using namespace std::chrono; |
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| 14 | |
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| 15 | |
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[1500] | 16 | |
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[1381] | 17 | int main(int argc, char **argv) |
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| 18 | { |
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| 19 | srand (time(NULL)); |
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| 20 | |
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[1517] | 21 | //printf("Testing ep_lib\n"); |
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[1381] | 22 | int required=3, provided; |
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| 23 | |
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| 24 | MPI_Init_thread(&argc, &argv, required, &provided); |
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| 25 | |
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| 26 | assert(required==provided); |
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| 27 | |
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| 28 | int mpi_rank; |
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| 29 | int mpi_size; |
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| 30 | |
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| 31 | MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank); |
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| 32 | MPI_Comm_size(MPI_COMM_WORLD, &mpi_size); |
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[1527] | 33 | |
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| 34 | #pragma omp parallel default(shared) |
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| 35 | { |
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| 36 | MPI_Comm_rank(MPI_COMM_WORLD , &mpi_rank); |
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| 37 | |
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| 38 | int num_ep = omp_get_num_threads(); |
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| 39 | MPI_Info info; |
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| 40 | |
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| 41 | //printf("mpi_rank = %d, thread_num = %d\n", mpi_rank, omp_get_thread_num()); |
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| 42 | |
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| 43 | MPI_Comm *ep_comm; |
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| 44 | #pragma omp master |
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| 45 | { |
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| 46 | MPI_Comm *ep_comm; |
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| 47 | MPI_Comm_create_endpoints(MPI_COMM_WORLD->mpi_comm, num_ep, info, ep_comm); |
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| 48 | passage = ep_comm; |
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| 49 | } |
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| 50 | |
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| 51 | #pragma omp barrier |
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| 52 | |
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| 53 | MPI_Comm comm; // this should act as EP_COMM_WORLD |
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| 54 | |
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| 55 | comm = passage[omp_get_thread_num()]; |
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| 56 | |
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| 57 | // TEST OF COMM_SPLIT |
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| 58 | { |
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| 59 | |
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| 60 | MPI_Barrier(comm); |
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| 61 | int rank, size; |
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| 62 | MPI_Comm_rank(comm, &rank); |
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| 63 | MPI_Comm_size(comm, &size); |
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| 64 | |
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| 65 | int tab_color[16] = {2, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1}; // used for config 1 |
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| 66 | int tab_key[16] = {2, 1, 4, 1, 0, 4, 3, 3, 4, 3, 4, 4, 4, 0, 0, 2}; // used for config 1 |
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| 67 | |
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| 68 | int color = tab_color[rank]; |
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| 69 | int key = tab_key[rank]; |
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| 70 | |
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| 71 | |
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| 72 | MPI_Comm split_comm; |
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| 73 | MPI_Comm_split(comm, color, key, &split_comm); |
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| 74 | |
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| 75 | |
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| 76 | |
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| 77 | int split_rank, split_size; |
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| 78 | MPI_Comm_rank(split_comm, &split_rank); |
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| 79 | MPI_Comm_size(split_comm, &split_size); |
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| 80 | |
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| 81 | #ifdef _Memory_check |
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| 82 | printf("rank = %d, color = %d, key = %d, split_rank = %d, local_rank=%d\n", rank, color, key, split_rank, split_comm->ep_comm_ptr->size_rank_info[1].first); |
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| 83 | #endif |
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| 84 | |
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| 85 | MPI_Barrier(comm); |
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| 86 | MPI_Barrier(comm); |
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| 87 | MPI_Barrier(comm); |
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| 88 | |
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| 89 | if(rank == 0) printf(" \t MPI_Comm_split \t OK\n"); |
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| 90 | |
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| 91 | |
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| 92 | int local_leader = 0; |
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| 93 | int remote_leader = color==2? 13: 4; // used for config 1 |
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| 94 | |
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| 95 | MPI_Comm peer_comm = comm; |
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| 96 | |
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| 97 | MPI_Comm inter_comm; |
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| 98 | MPI_Intercomm_create(split_comm, local_leader, peer_comm, remote_leader, 99, &inter_comm); |
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| 99 | |
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| 100 | int inter_rank, inter_size, remote_size; |
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| 101 | MPI_Comm_rank(inter_comm, &inter_rank); |
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| 102 | MPI_Comm_size(inter_comm, &inter_size); |
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| 103 | MPI_Comm_remote_size(inter_comm, &remote_size); |
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| 104 | |
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| 105 | |
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| 106 | MPI_Barrier(comm); |
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| 107 | MPI_Barrier(comm); |
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| 108 | |
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| 109 | if(rank == 0) printf(" \t MPI_Intercomm_create \t OK\n"); |
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| 110 | |
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| 111 | //printf("rank = %d, split_rank = %d, split_size = %d, inter_rank=%d, inter_size=%d, remote_size=%d\n", rank, split_rank, split_size, inter_rank, inter_size, remote_size); |
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| 112 | |
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| 113 | |
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| 114 | MPI_Comm_free(&split_comm); |
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| 115 | |
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| 116 | |
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| 117 | MPI_Barrier(comm); |
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| 118 | |
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| 119 | |
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| 120 | if(color==2 && split_rank==0) |
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| 121 | { |
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| 122 | double sendbuf[9]={1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9}; |
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| 123 | MPI_Request send_request; |
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| 124 | MPI_Status send_status; |
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| 125 | MPI_Isend(sendbuf, 9, MPI_DOUBLE, 0, 10, inter_comm, &send_request); |
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| 126 | MPI_Wait(&send_request, &send_status); |
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| 127 | } |
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| 128 | |
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| 129 | if(color==1 && split_rank==0) |
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| 130 | { |
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| 131 | double recvbuf[9]; |
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| 132 | MPI_Request recv_request; |
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| 133 | MPI_Status recv_status; |
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| 134 | MPI_Irecv(recvbuf, 9, MPI_DOUBLE, 0, 10, inter_comm, &recv_request); |
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| 135 | MPI_Wait(&recv_request, &recv_status); |
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| 136 | for(int i=0; i<9; i++) |
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| 137 | { |
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| 138 | printf("recvbuf[%d] = %lf\n", i, recvbuf[i]); |
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| 139 | } |
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| 140 | } |
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| 141 | |
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| 142 | MPI_Barrier(comm); |
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| 143 | MPI_Barrier(comm); |
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| 144 | |
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| 145 | if(rank == 0) printf(" \t Test iP2P for intercomm \t OK\n"); |
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| 146 | |
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[1532] | 147 | if(color==2 && split_rank==0) |
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| 148 | { |
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| 149 | double sendbuf[9]={1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9}; |
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| 150 | MPI_Request send_request; |
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| 151 | MPI_Status send_status; |
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| 152 | MPI_Isend(sendbuf, 9, MPI_DOUBLE, 0, 10, inter_comm, &send_request); |
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| 153 | MPI_Wait(&send_request, &send_status); |
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| 154 | } |
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[1527] | 155 | |
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[1532] | 156 | if(color==1 && split_rank==0) |
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| 157 | { |
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| 158 | double recvbuf[9]; |
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| 159 | MPI_Request recv_request; |
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| 160 | MPI_Status recv_status; |
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| 161 | int probed = false; |
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| 162 | MPI_Message message; |
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| 163 | while(!probed) |
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| 164 | { |
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| 165 | MPI_Improbe(0, 10, inter_comm, &probed, &message, &recv_status); |
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| 166 | } |
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| 167 | MPI_Mrecv(recvbuf, 9, MPI_DOUBLE, &message, &recv_status); |
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| 168 | for(int i=0; i<9; i++) |
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| 169 | { |
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| 170 | printf("==========recvbuf[%d] = %lf\n", i, recvbuf[i]); |
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| 171 | } |
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| 172 | } |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | |
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[1527] | 177 | MPI_Comm inter_comm_dup; |
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| 178 | MPI_Comm_dup(inter_comm, &inter_comm_dup); |
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| 179 | int inter_dup_rank, inter_dup_size; |
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| 180 | MPI_Comm_rank(inter_comm_dup, &inter_dup_rank); |
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| 181 | MPI_Comm_size(inter_comm_dup, &inter_dup_size); |
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| 182 | |
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| 183 | //printf("rank = %d, split_rank = %d, split_size = %d, inter_dup_rank=%d, inter_dup_size=%d\n", rank, split_rank, split_size, inter_dup_rank, inter_dup_size); |
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| 184 | |
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| 185 | |
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| 186 | |
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| 187 | MPI_Comm inter_comm_dup_merged; |
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| 188 | bool high; |
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| 189 | if(color==2) high=true; |
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| 190 | else high = false; |
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| 191 | |
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| 192 | MPI_Intercomm_merge(inter_comm_dup, high, &inter_comm_dup_merged); |
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| 193 | int merged_rank, merged_size; |
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| 194 | MPI_Comm_rank(inter_comm_dup_merged, &merged_rank); |
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| 195 | MPI_Comm_size(inter_comm_dup_merged, &merged_size); |
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| 196 | |
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| 197 | //printf("merged_rank=%d, merged_rank_loc=%d, root_ep_loc = %d\n", merged_rank, inter_comm_dup_merged->ep_comm_ptr->size_rank_info[1].first, inter_comm_dup_merged->ep_rank_map->at(0).first); |
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| 198 | |
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| 199 | MPI_Barrier(comm); |
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| 200 | MPI_Barrier(comm); |
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| 201 | |
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| 202 | int sendbuf=0; |
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| 203 | if(merged_rank == 0) sendbuf = 99; |
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| 204 | MPI_Bcast(&sendbuf, 1, MPI_INT, 0, inter_comm_dup_merged); |
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| 205 | printf("merged_rank = %d, sendbuf = %d\n", merged_rank, sendbuf); |
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| 206 | |
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| 207 | |
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| 208 | |
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| 209 | MPI_Barrier(comm); |
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| 210 | |
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| 211 | MPI_Comm_free(&inter_comm_dup_merged); |
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| 212 | MPI_Comm_free(&inter_comm_dup); |
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| 213 | |
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| 214 | |
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| 215 | |
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| 216 | |
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| 217 | MPI_Comm_free(&inter_comm); |
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| 218 | |
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| 219 | } |
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| 220 | |
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| 221 | |
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| 222 | |
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| 223 | MPI_Barrier(comm); |
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| 224 | MPI_Comm_free(&comm); |
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| 225 | } |
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| 226 | |
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| 227 | //MPI_Finalize(); |
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| 228 | //return 0; |
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| 229 | |
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| 230 | |
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| 231 | |
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[1381] | 232 | |
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[1517] | 233 | |
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| 234 | |
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[1381] | 235 | #pragma omp parallel default(shared) |
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| 236 | { |
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| 237 | MPI_Comm_rank(MPI_COMM_WORLD , &mpi_rank); |
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| 238 | |
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| 239 | int num_ep = omp_get_num_threads(); |
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| 240 | MPI_Info info; |
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| 241 | |
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| 242 | //printf("mpi_rank = %d, thread_num = %d\n", mpi_rank, omp_get_thread_num()); |
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| 243 | |
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| 244 | MPI_Comm *ep_comm; |
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| 245 | #pragma omp master |
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| 246 | { |
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| 247 | MPI_Comm *ep_comm; |
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[1500] | 248 | MPI_Comm_create_endpoints(MPI_COMM_WORLD->mpi_comm, num_ep, info, ep_comm); |
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[1381] | 249 | passage = ep_comm; |
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| 250 | } |
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| 251 | |
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| 252 | #pragma omp barrier |
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| 253 | |
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| 254 | |
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[1503] | 255 | MPI_Comm comm_for_dup; // this should act as EP_COMM_WORLD |
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[1381] | 256 | MPI_Comm comm; // this should act as EP_COMM_WORLD |
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[1503] | 257 | |
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| 258 | comm_for_dup = passage[omp_get_thread_num()]; |
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| 259 | MPI_Comm_dup(comm_for_dup, &comm); |
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| 260 | |
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| 261 | MPI_Comm_free(&comm_for_dup); |
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| 262 | |
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| 263 | MPI_Barrier(comm); |
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[1381] | 264 | |
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| 265 | int rank, size; |
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| 266 | MPI_Comm_rank(comm, &rank); |
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| 267 | MPI_Comm_size(comm, &size); |
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[1503] | 268 | |
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| 269 | if(rank == 0) printf(" \t test MPI_Comm_dup \t OK \n"); |
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[1515] | 270 | |
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[1381] | 271 | // TIMING SYCHRONIZATION |
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| 272 | { |
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| 273 | int n=100000; |
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[1382] | 274 | |
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| 275 | MPI_Barrier(comm); |
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[1381] | 276 | |
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| 277 | high_resolution_clock::time_point t1 = high_resolution_clock::now(); |
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| 278 | |
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| 279 | for(int i=0; i<n; i++) |
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| 280 | MPI_Barrier_local(comm); |
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| 281 | |
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| 282 | high_resolution_clock::time_point t2 = high_resolution_clock::now(); |
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| 283 | duration<double> time_span = duration_cast<duration<double>>(t2 - t1); |
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| 284 | #pragma omp master |
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| 285 | std::cout << "proc "<< mpi_rank <<" ep_barrier "<< time_span.count() << " seconds."<<std::endl; |
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| 286 | |
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| 287 | t1 = high_resolution_clock::now(); |
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| 288 | |
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| 289 | for(int i=0; i<n; i++) |
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| 290 | { |
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| 291 | #pragma omp barrier |
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| 292 | } |
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| 293 | |
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| 294 | t2 = high_resolution_clock::now(); |
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| 295 | time_span = duration_cast<duration<double>>(t2 - t1); |
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| 296 | |
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| 297 | #pragma omp master |
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| 298 | std::cout << "proc "<< mpi_rank <<" omp_barrier "<< time_span.count() << " seconds."<<std::endl; |
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| 299 | |
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| 300 | t1 = high_resolution_clock::now(); |
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| 301 | |
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| 302 | for(int i=0; i<n; i++) |
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| 303 | { |
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| 304 | //#pragma omp barrier |
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| 305 | } |
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| 306 | |
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| 307 | t2 = high_resolution_clock::now(); |
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| 308 | time_span = duration_cast<duration<double>>(t2 - t1); |
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| 309 | |
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| 310 | MPI_Barrier(comm); |
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[1382] | 311 | |
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[1381] | 312 | #pragma omp master |
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| 313 | std::cout << "proc "<< mpi_rank <<" for_loop "<< time_span.count() << " seconds."<<std::endl; |
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[1500] | 314 | }// END TIMING SYCHRONIZATION |
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[1515] | 315 | |
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[1500] | 316 | // TEST of p2p blocking communication |
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| 317 | { |
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| 318 | MPI_Barrier(comm); |
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| 319 | MPI_Barrier(comm); |
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| 320 | |
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[1503] | 321 | MPI_Comm equal_comm = comm; |
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| 322 | |
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| 323 | |
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| 324 | |
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| 325 | |
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[1500] | 326 | double sendbuf[10]; |
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| 327 | double recvbuf[20]; |
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| 328 | |
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[1503] | 329 | int sender; |
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| 330 | if(rank == 0) sender = rand() % size; |
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| 331 | MPI_Bcast(&sender, 1, MPI_INT, 0, comm); |
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[1500] | 332 | |
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[1503] | 333 | int receiver = sender; |
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| 334 | if(rank == 0) while(sender == receiver) {receiver = rand() % size;} |
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| 335 | MPI_Bcast(&receiver, 1, MPI_INT, 0, comm); |
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| 336 | |
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| 337 | |
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| 338 | |
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| 339 | |
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[1500] | 340 | if(rank == sender) |
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| 341 | { |
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| 342 | for(int i=0; i<10; i++) sendbuf[i] = 99.99; |
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[1503] | 343 | MPI_Send(sendbuf, 10, MPI_DOUBLE, receiver, 99, equal_comm); |
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[1500] | 344 | for(int i=0; i<10; i++) sendbuf[i] = -99.99; |
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[1503] | 345 | MPI_Send(sendbuf, 10, MPI_DOUBLE, receiver, 11, equal_comm); |
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[1500] | 346 | } |
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| 347 | |
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| 348 | if(rank == receiver) |
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| 349 | { |
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| 350 | MPI_Status status; |
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| 351 | for(int i=0; i<20; i++) recvbuf[i] = 0.0; |
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| 352 | MPI_Recv(&recvbuf[10], 10, MPI_DOUBLE, sender, 99, comm, &status); |
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| 353 | MPI_Recv(recvbuf, 10, MPI_DOUBLE, sender, 11, comm, &status); |
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| 354 | |
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| 355 | for(int i=0; i<20; i++) std::cout << "recvbuf["<< i <<"] = "<< recvbuf[i] << std::endl; |
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[1503] | 356 | printf("sender = %d\nreceiver = %d \tTEST of p2p blocking communication\tOK\n", sender, receiver); |
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[1500] | 357 | } |
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| 358 | |
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| 359 | MPI_Barrier(comm); |
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[1381] | 360 | |
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[1500] | 361 | }//TEST of p2p blocking communication |
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| 362 | |
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| 363 | // TEST of p2p non-blocking communication |
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| 364 | { |
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| 365 | MPI_Barrier(comm); |
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| 366 | MPI_Barrier(comm); |
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| 367 | |
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| 368 | double sendbuf[10]; |
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| 369 | double recvbuf[20]; |
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| 370 | |
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[1503] | 371 | int sender; |
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| 372 | if(rank == 0) sender = rand() % size; |
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| 373 | MPI_Bcast(&sender, 1, MPI_INT, 0, comm); |
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[1500] | 374 | |
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[1503] | 375 | int receiver = sender; |
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| 376 | if(rank == 0) receiver = rand() % size; |
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| 377 | MPI_Bcast(&receiver, 1, MPI_INT, 0, comm); |
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| 378 | |
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| 379 | |
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| 380 | |
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[1500] | 381 | MPI_Request request[2]; |
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| 382 | |
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| 383 | if(rank == sender) |
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| 384 | { |
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| 385 | |
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| 386 | for(int i=0; i<10; i++) sendbuf[i] = 99.99; |
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| 387 | MPI_Isend(sendbuf, 10, MPI_DOUBLE, receiver, 99, comm, &request[0]); |
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| 388 | for(int i=0; i<10; i++) sendbuf[i] = -99.99; |
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| 389 | MPI_Isend(sendbuf, 10, MPI_DOUBLE, receiver, 11, comm, &request[1]); |
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| 390 | } |
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| 391 | |
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| 392 | if(rank == receiver) |
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| 393 | { |
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| 394 | for(int i=0; i<20; i++) recvbuf[i] = 0.0; |
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| 395 | MPI_Irecv(&recvbuf[10], 10, MPI_DOUBLE, sender, 11, comm, &request[0]); |
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| 396 | MPI_Irecv(recvbuf, 10, MPI_DOUBLE, sender, 99, comm, &request[1]); |
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| 397 | } |
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| 398 | |
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| 399 | MPI_Barrier(comm); |
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| 400 | |
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| 401 | if(rank == receiver || rank == sender) |
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| 402 | { |
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| 403 | MPI_Status status[2]; |
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| 404 | MPI_Waitall(2, request, status); |
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| 405 | } |
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| 406 | |
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| 407 | MPI_Barrier(comm); |
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| 408 | |
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| 409 | if(rank == receiver) |
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| 410 | { |
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| 411 | for(int i=0; i<20; i++) std::cout << "recvbuf["<< i <<"] = "<< recvbuf[i] << std::endl; |
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[1503] | 412 | printf("sender = %d\nreceiver = %d \tTEST of p2p non-blocking communication\tOK\n", sender, receiver); |
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[1500] | 413 | } |
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| 414 | |
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| 415 | }//TEST of p2p blocking communication |
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| 416 | |
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[1381] | 417 | |
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| 418 | // TEST OF BCAST FROM A RANDOM ROOT |
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| 419 | { |
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| 420 | int bcast_root; |
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| 421 | |
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| 422 | if(rank == 0) bcast_root = rand() % size; |
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| 423 | |
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| 424 | MPI_Bcast(&bcast_root, 1, MPI_INT, 0, comm); |
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| 425 | |
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| 426 | int sendbuf[2]; |
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| 427 | |
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| 428 | sendbuf[0] = rank; |
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| 429 | sendbuf[1] = size; |
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| 430 | |
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| 431 | MPI_Bcast(sendbuf, 2, MPI_INT, bcast_root, comm); |
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| 432 | |
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| 433 | int bcast_test = 0; |
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| 434 | if(sendbuf[0] == bcast_root && sendbuf[1] == size) bcast_test = 1; |
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| 435 | |
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| 436 | int bcast_result; |
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| 437 | |
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| 438 | MPI_Reduce(&bcast_test, &bcast_result, 1, MPI_INT, MPI_MIN, bcast_root, comm); |
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| 439 | |
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| 440 | if(bcast_result && rank == bcast_root) printf("root = %d : \t test MPI_Bcast \t OK\n", bcast_root); |
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| 441 | 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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| 442 | } |
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| 443 | |
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| 444 | MPI_Barrier(comm); |
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| 445 | |
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| 446 | // TEST OF GATHER FROM A RAMDOM ROOT |
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| 447 | { |
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| 448 | int gather_root; |
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| 449 | |
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| 450 | if(rank == 0) gather_root = rand() % size; |
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| 451 | |
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| 452 | MPI_Bcast(&gather_root, 1, MPI_INT, 0, comm); |
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| 453 | |
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| 454 | double sendbuf[2]; |
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| 455 | sendbuf[0] = rank * 1.0; |
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| 456 | sendbuf[1] = size * (-1.0); |
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| 457 | |
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| 458 | std::vector<double>recvbuf(2*size, 0); |
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| 459 | |
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| 460 | MPI_Gather(sendbuf, 2, MPI_DOUBLE, recvbuf.data(), 2, MPI_DOUBLE, gather_root, comm); |
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| 461 | |
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| 462 | bool gather_result = true; |
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| 463 | |
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| 464 | if(rank == gather_root) |
---|
| 465 | { |
---|
| 466 | for(int i=0; i<size; i++) |
---|
| 467 | { |
---|
| 468 | if(abs(recvbuf[2*i] - i) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 469 | { |
---|
| 470 | gather_result = false; |
---|
| 471 | break; |
---|
| 472 | } |
---|
| 473 | } |
---|
| 474 | |
---|
| 475 | if(gather_result) printf("root = %d : \t test MPI_Gather \t OK \n", gather_root); |
---|
| 476 | else printf("root = %d : \t test MPI_Gather \t FAILED\n", gather_root); |
---|
| 477 | } |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | MPI_Barrier(comm); |
---|
| 481 | |
---|
| 482 | // TEST OF GATHERV FROM A RAMDOM ROOT |
---|
| 483 | { |
---|
| 484 | int gatherv_root; |
---|
| 485 | |
---|
| 486 | if(rank == 0) gatherv_root = rand() % size; |
---|
| 487 | |
---|
| 488 | MPI_Bcast(&gatherv_root, 1, MPI_INT, 0, comm); |
---|
| 489 | |
---|
| 490 | int sendbuf[2]; |
---|
| 491 | sendbuf[0] = rank; |
---|
| 492 | sendbuf[1] = -size; |
---|
| 493 | |
---|
| 494 | std::vector<int>recvbuf(2*size, 0); |
---|
| 495 | |
---|
| 496 | std::vector<int>recvcounts(size, 2); |
---|
| 497 | std::vector<int>displs(size, 0); |
---|
| 498 | |
---|
| 499 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
---|
| 500 | |
---|
| 501 | MPI_Gatherv(sendbuf, 2, MPI_INT, recvbuf.data(), recvcounts.data(), displs.data(), MPI_INT, gatherv_root, comm); |
---|
| 502 | |
---|
| 503 | bool gatherv_result = true; |
---|
| 504 | |
---|
| 505 | if(rank == gatherv_root) |
---|
| 506 | { |
---|
| 507 | for(int i=0; i<size; i++) |
---|
| 508 | { |
---|
| 509 | if(abs(recvbuf[2*i] - (size-1-i)) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 510 | { |
---|
| 511 | gatherv_result = false; printf("%lf %lf root = %d, i = %d\n", recvbuf[2*i], recvbuf[2*i+1], gatherv_root, i); |
---|
| 512 | break; |
---|
| 513 | } |
---|
| 514 | } |
---|
| 515 | |
---|
| 516 | //for(int i=0; i<size*2; i++) printf("%lf\t", recvbuf[i]); |
---|
| 517 | //printf("\n"); |
---|
| 518 | |
---|
| 519 | if(gatherv_result) printf("root = %d : \t test MPI_Gatherv \t OK\n", gatherv_root); |
---|
| 520 | else printf("root = %d : \t test MPI_Gatherv \t FAILED\n", gatherv_root); |
---|
| 521 | } |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | MPI_Barrier(comm); |
---|
| 525 | |
---|
| 526 | // TEST OF ALLGATHER |
---|
| 527 | { |
---|
| 528 | double sendbuf[2]; |
---|
| 529 | sendbuf[0] = rank * 1.0; |
---|
| 530 | sendbuf[1] = size * (-1.0); |
---|
| 531 | |
---|
| 532 | std::vector<double>recvbuf(2*size, 0); |
---|
| 533 | |
---|
| 534 | MPI_Allgather(sendbuf, 2, MPI_DOUBLE, recvbuf.data(), 2, MPI_DOUBLE, comm); |
---|
| 535 | |
---|
| 536 | int allgather_test = 1; |
---|
| 537 | |
---|
| 538 | for(int i=0; i<size; i++) |
---|
| 539 | { |
---|
| 540 | if(abs(recvbuf[2*i] - i) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 541 | { |
---|
| 542 | allgather_test = 0; |
---|
| 543 | break; |
---|
| 544 | } |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | int allgather_result; |
---|
| 548 | MPI_Reduce(&allgather_test, &allgather_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 549 | |
---|
| 550 | if(rank == 0 && allgather_result) printf(" \t test MPI_Allgather \t OK \n"); |
---|
| 551 | if(rank == 0 && !allgather_result) printf(" \t test MPI_Allgather \t OK \n"); |
---|
| 552 | |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | MPI_Barrier(comm); |
---|
| 556 | |
---|
| 557 | // TEST OF ALLGATHERV |
---|
| 558 | { |
---|
| 559 | int sendbuf[2]; |
---|
| 560 | sendbuf[0] = rank; |
---|
| 561 | sendbuf[1] = -size; |
---|
| 562 | |
---|
| 563 | std::vector<int>recvbuf(2*size, 0); |
---|
| 564 | |
---|
| 565 | std::vector<int>recvcounts(size, 2); |
---|
| 566 | std::vector<int>displs(size, 0); |
---|
| 567 | |
---|
| 568 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
---|
| 569 | |
---|
| 570 | MPI_Allgatherv(sendbuf, 2, MPI_INT, recvbuf.data(), recvcounts.data(), displs.data(), MPI_INT, comm); |
---|
| 571 | |
---|
| 572 | int allgatherv_test = 1; |
---|
| 573 | |
---|
| 574 | |
---|
| 575 | |
---|
| 576 | for(int i=0; i<size; i++) |
---|
| 577 | { |
---|
| 578 | if(abs(recvbuf[2*i] - (size-1-i)) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 579 | { |
---|
| 580 | 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); |
---|
| 581 | break; |
---|
| 582 | } |
---|
| 583 | } |
---|
| 584 | |
---|
| 585 | |
---|
| 586 | int allgatherv_result; |
---|
| 587 | MPI_Reduce(&allgatherv_test, &allgatherv_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 588 | |
---|
| 589 | if(rank == 0 && allgatherv_result) printf(" \t test MPI_Allgatherv \t OK \n"); |
---|
| 590 | if(rank == 0 && !allgatherv_result) printf(" \t test MPI_Allgatherv \t FAILED %d\n", allgatherv_result); |
---|
| 591 | |
---|
| 592 | } |
---|
| 593 | |
---|
| 594 | MPI_Barrier(comm); |
---|
| 595 | |
---|
| 596 | // TEST OF REDUCE |
---|
| 597 | { |
---|
| 598 | int reduce_root; |
---|
| 599 | |
---|
| 600 | if(rank == 0) reduce_root = rand() % size; |
---|
| 601 | |
---|
| 602 | MPI_Bcast(&reduce_root, 1, MPI_INT, 0, comm); |
---|
| 603 | |
---|
| 604 | int sendbuf[2]; |
---|
| 605 | sendbuf[0] = rank; |
---|
| 606 | sendbuf[1] = -size; |
---|
| 607 | |
---|
| 608 | std::vector<int>recvbuf(2, 0); |
---|
| 609 | |
---|
| 610 | MPI_Op op = MPI_MIN; |
---|
| 611 | |
---|
| 612 | MPI_Reduce(sendbuf, recvbuf.data(), 2, MPI_INT, op, reduce_root, comm); |
---|
| 613 | |
---|
| 614 | |
---|
| 615 | bool reduce_result = true; |
---|
| 616 | |
---|
| 617 | if(rank == reduce_root) |
---|
| 618 | { |
---|
| 619 | for(int i=0; i<2; i++) |
---|
| 620 | { |
---|
| 621 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[1] + size * size) > 1.e-10) ) || |
---|
| 622 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) || |
---|
| 623 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) ) |
---|
| 624 | { |
---|
| 625 | reduce_result = false; printf("%d %d root = %d, i = %d\n", recvbuf[0], recvbuf[1], reduce_root, i); |
---|
| 626 | break; |
---|
| 627 | } |
---|
| 628 | } |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | if(rank == reduce_root && reduce_result) printf("root = %d : \t test MPI_Reduce \t OK\n", reduce_root); |
---|
| 632 | if(rank == reduce_root && !reduce_result) printf("root = %d : \t test MPI_Reduce \t FAILED\n", reduce_root); |
---|
| 633 | } |
---|
| 634 | |
---|
| 635 | |
---|
| 636 | MPI_Barrier(comm); |
---|
| 637 | |
---|
| 638 | // TEST OF ALLREDUCE |
---|
| 639 | { |
---|
| 640 | |
---|
| 641 | int sendbuf[2]; |
---|
| 642 | sendbuf[0] = rank; |
---|
| 643 | sendbuf[1] = -size; |
---|
| 644 | |
---|
| 645 | std::vector<int>recvbuf(2, 0); |
---|
| 646 | |
---|
| 647 | MPI_Op op = MPI_MIN; |
---|
| 648 | |
---|
| 649 | MPI_Allreduce(sendbuf, recvbuf.data(), 2, MPI_INT, op, comm); |
---|
| 650 | |
---|
| 651 | |
---|
| 652 | int allreduce_test = 1; |
---|
| 653 | |
---|
| 654 | |
---|
| 655 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[1] + size * size) > 1.e-10) ) || |
---|
| 656 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) || |
---|
| 657 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) ) |
---|
| 658 | { |
---|
| 659 | allreduce_test = 0; printf("%d %d\n", recvbuf[0], recvbuf[1]); |
---|
| 660 | } |
---|
| 661 | |
---|
| 662 | |
---|
| 663 | int allreduce_result; |
---|
| 664 | MPI_Reduce(&allreduce_test, &allreduce_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 665 | |
---|
| 666 | if(rank == 0 && allreduce_result) printf(" \t test MPI_Allreduce \t OK\n"); |
---|
| 667 | if(rank == 0 && !allreduce_result) printf(" \t test MPI_Allreduce \t FAILED\n"); |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | |
---|
| 671 | MPI_Barrier(comm); |
---|
| 672 | |
---|
| 673 | // TEST OF REDUCE_SCATTER |
---|
| 674 | { |
---|
| 675 | |
---|
| 676 | std::vector<int>sendbuf(2*size, rank); |
---|
| 677 | std::vector<int>recvbuf(2, -1); |
---|
| 678 | std::vector<int>recvcounts(size, 2); |
---|
| 679 | |
---|
| 680 | MPI_Op op = MPI_MIN; |
---|
| 681 | |
---|
| 682 | MPI_Reduce_scatter(sendbuf.data(), recvbuf.data(), recvcounts.data(), MPI_INT, op, comm); |
---|
| 683 | |
---|
| 684 | |
---|
| 685 | int reduce_scatter_test = 1; |
---|
| 686 | |
---|
| 687 | |
---|
| 688 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[0]-(size-1)*size/2) > 1.e-10) ) || |
---|
| 689 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1]-(size-1)) > 1.e-10) ) || |
---|
| 690 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] ) > 1.e-10) ) ) |
---|
| 691 | { |
---|
| 692 | reduce_scatter_test = 0; //printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | |
---|
| 696 | int reduce_scatter_result; |
---|
| 697 | MPI_Reduce(&reduce_scatter_test, &reduce_scatter_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 698 | |
---|
| 699 | if(rank == 0 && reduce_scatter_result) printf(" \t test MPI_Reduce_scatter OK\n"); |
---|
| 700 | if(rank == 0 && !reduce_scatter_result) printf(" \t test MPI_Reduce_scatter FAILED\n"); |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | MPI_Barrier(comm); |
---|
| 704 | |
---|
| 705 | // TEST OF SCATTER |
---|
| 706 | { |
---|
| 707 | |
---|
| 708 | int scatter_root; |
---|
| 709 | |
---|
| 710 | if(rank == 0) scatter_root = rand() % size; |
---|
| 711 | |
---|
| 712 | MPI_Bcast(&scatter_root, 1, MPI_INT, 0, comm); |
---|
| 713 | |
---|
| 714 | std::vector<int>sendbuf(2*size, rank); |
---|
| 715 | std::vector<int>recvbuf(2, -1); |
---|
| 716 | std::vector<int>recvcounts(size, 2); |
---|
| 717 | |
---|
| 718 | if(rank == scatter_root) |
---|
| 719 | { |
---|
| 720 | for(int i=0; i<size; i++) |
---|
| 721 | { |
---|
| 722 | sendbuf[2*i] = i; |
---|
| 723 | sendbuf[2*i+1] = size; |
---|
| 724 | } |
---|
| 725 | //for(int i=0; i<size*2; i++) printf("%d\t", sendbuf[i]); |
---|
| 726 | } |
---|
| 727 | |
---|
| 728 | |
---|
| 729 | MPI_Scatter(sendbuf.data(), 2, MPI_INT, recvbuf.data(), 2, MPI_INT, scatter_root, comm); |
---|
| 730 | |
---|
| 731 | //printf("ID = %d : %d %d\n", rank, recvbuf[0], recvbuf[1]); |
---|
| 732 | |
---|
| 733 | int scatter_test = 1; |
---|
| 734 | |
---|
| 735 | |
---|
| 736 | if( abs(recvbuf[0]-rank) > 1.e-10 || abs(recvbuf[1]-size) > 1.e-10 ) |
---|
| 737 | { |
---|
| 738 | scatter_test = 0; //printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | |
---|
| 742 | int scatter_result; |
---|
| 743 | MPI_Reduce(&scatter_test, &scatter_result, 1, MPI_INT, MPI_MIN, scatter_root, comm); |
---|
| 744 | |
---|
| 745 | if(rank == scatter_root && scatter_result) printf("root = %d : \t test MPI_Scatter \t OK\n", scatter_root); |
---|
| 746 | if(rank == scatter_root && !scatter_result) printf("root = %d : \t test MPI_Scatter \t FAILED\n", scatter_root); |
---|
| 747 | } |
---|
| 748 | |
---|
| 749 | MPI_Barrier(comm); |
---|
| 750 | |
---|
| 751 | // TEST OF SCATTERV |
---|
| 752 | { |
---|
| 753 | |
---|
| 754 | int scatterv_root; |
---|
| 755 | |
---|
| 756 | if(rank == 0) scatterv_root = rand() % size; |
---|
| 757 | |
---|
| 758 | MPI_Bcast(&scatterv_root, 1, MPI_INT, 0, comm); |
---|
| 759 | |
---|
| 760 | std::vector<int>sendbuf(2*size, rank); |
---|
| 761 | std::vector<int>recvbuf(2, -1); |
---|
| 762 | std::vector<int>sendcounts(size, 2); |
---|
| 763 | std::vector<int>displs(size, 0); |
---|
| 764 | |
---|
| 765 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
---|
| 766 | |
---|
| 767 | if(rank == scatterv_root) |
---|
| 768 | { |
---|
| 769 | for(int i=0; i<size; i++) |
---|
| 770 | { |
---|
| 771 | sendbuf[2*i] = i; |
---|
| 772 | sendbuf[2*i+1] = size; |
---|
| 773 | } |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | |
---|
| 777 | MPI_Scatterv(sendbuf.data(), sendcounts.data(), displs.data(), MPI_INT, recvbuf.data(), 2, MPI_INT, scatterv_root, comm); |
---|
| 778 | |
---|
| 779 | //printf("ID = %d : %d %d\n", rank, recvbuf[0], recvbuf[1]); |
---|
| 780 | |
---|
| 781 | int scatterv_test = 1; |
---|
| 782 | |
---|
| 783 | |
---|
| 784 | if( abs(recvbuf[0]-(size-1-rank)) > 1.e-10 || abs(recvbuf[1]-size) > 1.e-10 ) |
---|
| 785 | { |
---|
| 786 | scatterv_test = 0; printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | |
---|
| 790 | int scatterv_result; |
---|
| 791 | MPI_Reduce(&scatterv_test, &scatterv_result, 1, MPI_INT, MPI_MIN, scatterv_root, comm); |
---|
| 792 | |
---|
| 793 | if(rank == scatterv_root && scatterv_result) printf("root = %d : \t test MPI_Scatterv \t OK\n", scatterv_root); |
---|
| 794 | if(rank == scatterv_root && !scatterv_result) printf("root = %d : \t test MPI_Scatterv \t FAILED\n", scatterv_root); |
---|
| 795 | } |
---|
| 796 | |
---|
| 797 | MPI_Barrier(comm); |
---|
| 798 | |
---|
| 799 | // TEST OF ALLTOALL |
---|
| 800 | { |
---|
| 801 | |
---|
| 802 | std::vector<int>sendbuf(size, rank); |
---|
| 803 | std::vector<int>recvbuf(size, -1); |
---|
| 804 | |
---|
| 805 | |
---|
| 806 | MPI_Alltoall(sendbuf.data(), 1, MPI_INT, recvbuf.data(), 1, MPI_INT, comm); |
---|
| 807 | |
---|
| 808 | int alltoall_result = 1; |
---|
| 809 | |
---|
| 810 | |
---|
| 811 | for(int i=0; i<size; i++) |
---|
| 812 | if( abs(recvbuf[i]-i) > 1.e-10 ) |
---|
| 813 | { |
---|
| 814 | alltoall_result = 0; printf("%d id = %d\n", recvbuf[i], rank); |
---|
| 815 | } |
---|
| 816 | |
---|
| 817 | if(rank == 0 && alltoall_result) printf(" \t test MPI_Alltoall \t OK\n"); |
---|
| 818 | if(rank == 0 && !alltoall_result) printf(" \t test MPI_Alltoall \t FAILED\n"); |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | // TEST OF SCAN |
---|
| 822 | { |
---|
| 823 | |
---|
| 824 | std::vector<int>sendbuf(2, rank); |
---|
| 825 | std::vector<int>recvbuf(2, -1); |
---|
| 826 | |
---|
| 827 | MPI_Op op = MPI_SUM; |
---|
| 828 | |
---|
| 829 | |
---|
| 830 | MPI_Scan(sendbuf.data(), recvbuf.data(), 2, MPI_INT, op, comm); |
---|
| 831 | |
---|
| 832 | int scan_test = 1; |
---|
| 833 | |
---|
| 834 | // printf(" ID=%d : %d %d \n", rank, recvbuf[0], recvbuf[1]); |
---|
| 835 | |
---|
| 836 | if((op == MPI_SUM && (abs(recvbuf[0]-rank*(rank+1)/2) > 1.e-10 || abs(recvbuf[1]-rank*(rank+1)/2) > 1.e-10) ) || |
---|
| 837 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1]) > 1.e-10) ) || |
---|
| 838 | (op == MPI_MAX && (abs(recvbuf[0] - rank) > 1.e-10 || abs(recvbuf[1] - rank) > 1.e-10) ) ) |
---|
| 839 | { |
---|
| 840 | scan_test = 0; //printf("%d id = %d\n", recvbuf[i], rank); |
---|
| 841 | } |
---|
| 842 | |
---|
| 843 | int scan_result; |
---|
| 844 | MPI_Reduce(&scan_test, &scan_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 845 | |
---|
| 846 | if(rank == 0 && scan_result) printf(" \t test MPI_Scan \t\t OK\n"); |
---|
| 847 | if(rank == 0 && !scan_result) printf(" \t test MPI_Scan \t\t FAILED\n"); |
---|
| 848 | } |
---|
| 849 | |
---|
| 850 | |
---|
| 851 | // TEST OF EXSCAN |
---|
| 852 | { |
---|
| 853 | |
---|
| 854 | std::vector<int>sendbuf(2, rank); |
---|
| 855 | std::vector<int>recvbuf(2, -1); |
---|
| 856 | |
---|
| 857 | MPI_Op op = MPI_SUM; |
---|
| 858 | |
---|
| 859 | |
---|
| 860 | MPI_Exscan(sendbuf.data(), recvbuf.data(), 2, MPI_INT, op, comm); |
---|
| 861 | |
---|
| 862 | int exscan_test = 1; |
---|
| 863 | |
---|
| 864 | // printf(" ID=%d : %d %d \n", rank, recvbuf[0], recvbuf[1]); |
---|
| 865 | |
---|
| 866 | if(rank >0) |
---|
| 867 | if((op == MPI_SUM && (abs(recvbuf[0]-rank*(rank-1)/2) > 1.e-10 || abs(recvbuf[1]-rank*(rank-1)/2) > 1.e-10) ) || |
---|
| 868 | (op == MPI_MIN && (abs(recvbuf[0] ) > 1.e-10 || abs(recvbuf[1]) > 1.e-10) ) || |
---|
| 869 | (op == MPI_MAX && (abs(recvbuf[0] - rank+1) > 1.e-10 || abs(recvbuf[1] - rank+1) > 1.e-10) ) ) |
---|
| 870 | { |
---|
| 871 | exscan_test = 0; //printf("%d id = %d\n", recvbuf[i], rank); |
---|
| 872 | } |
---|
| 873 | |
---|
| 874 | int exscan_result; |
---|
| 875 | MPI_Reduce(&exscan_test, &exscan_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 876 | |
---|
| 877 | if(rank == 0 && exscan_result) printf(" \t test MPI_Exscan \t OK\n"); |
---|
| 878 | if(rank == 0 && !exscan_result) printf(" \t test MPI_Exscan \t FAILED\n"); |
---|
| 879 | } |
---|
| 880 | |
---|
| 881 | |
---|
| 882 | |
---|
[1511] | 883 | // TEST OF COMM_SPLIT |
---|
[1381] | 884 | { |
---|
| 885 | |
---|
[1511] | 886 | MPI_Barrier(comm); |
---|
| 887 | int rank, size; |
---|
| 888 | MPI_Comm_rank(comm, &rank); |
---|
| 889 | MPI_Comm_size(comm, &size); |
---|
[1506] | 890 | |
---|
[1511] | 891 | int color = rand()%3; |
---|
| 892 | int key = rand()%5; |
---|
| 893 | |
---|
| 894 | int color2 = rand()%3; |
---|
| 895 | int key2 = rand()%5; |
---|
[1381] | 896 | |
---|
[1511] | 897 | MPI_Comm split_comm; |
---|
| 898 | MPI_Comm_split(comm, color, key, &split_comm); |
---|
[1381] | 899 | |
---|
[1511] | 900 | |
---|
| 901 | MPI_Comm split_comm2; |
---|
| 902 | MPI_Comm_split(comm, color2, key2, &split_comm2); |
---|
[1381] | 903 | |
---|
[1511] | 904 | |
---|
[1381] | 905 | |
---|
[1511] | 906 | int split_rank, split_size; |
---|
| 907 | MPI_Comm_rank(split_comm, &split_rank); |
---|
| 908 | MPI_Comm_size(split_comm, &split_size); |
---|
[1504] | 909 | |
---|
[1511] | 910 | #ifdef _Memory_check |
---|
| 911 | printf("rank = %d, color = %d, key = %d, split_rank = %d, local_rank=%d\n", rank, color, key, split_rank, split_comm->ep_comm_ptr->size_rank_info[1].first); |
---|
| 912 | #endif |
---|
[1381] | 913 | |
---|
[1511] | 914 | MPI_Barrier(comm); |
---|
| 915 | MPI_Barrier(comm); |
---|
| 916 | MPI_Barrier(comm); |
---|
| 917 | |
---|
[1525] | 918 | if(rank == 0) printf(" \t MPI_Comm_split \t OK\n"); |
---|
[1511] | 919 | |
---|
| 920 | MPI_Barrier(comm); |
---|
| 921 | MPI_Barrier(comm); |
---|
| 922 | |
---|
| 923 | int bcast_buf_size=100; |
---|
| 924 | |
---|
| 925 | std::vector<int> bcast_buf(bcast_buf_size, 0); |
---|
| 926 | |
---|
| 927 | if(split_rank==0) bcast_buf.assign(bcast_buf_size, (color+1)*split_size); |
---|
| 928 | |
---|
| 929 | MPI_Bcast(bcast_buf.data(), bcast_buf_size, MPI_INT, 0, split_comm); |
---|
| 930 | |
---|
| 931 | int bcast_test = 0; |
---|
| 932 | for(int i=0; i<bcast_buf_size; i++) |
---|
| 933 | { |
---|
| 934 | if(bcast_buf[i] != (color+1)*split_size) |
---|
| 935 | bcast_test = 1; |
---|
| 936 | } |
---|
| 937 | |
---|
| 938 | int bcast_result; |
---|
| 939 | |
---|
| 940 | MPI_Reduce(&bcast_test, &bcast_result, 1, MPI_INT, MPI_SUM, 0, comm); |
---|
| 941 | |
---|
| 942 | MPI_Barrier(split_comm); |
---|
| 943 | MPI_Comm_free(&split_comm); |
---|
| 944 | |
---|
| 945 | MPI_Barrier(split_comm2); |
---|
| 946 | MPI_Comm_free(&split_comm2); |
---|
[1525] | 947 | |
---|
[1511] | 948 | |
---|
| 949 | |
---|
| 950 | if(bcast_result == 0 && rank == 0) printf(" \t test MPI_Bcast for split comm\t OK\n"); |
---|
| 951 | if(bcast_result != 0 && rank == 0) printf(" \t test MPI_Bcast for split comm\t FAILED %d\n", bcast_result); |
---|
| 952 | |
---|
| 953 | } |
---|
| 954 | |
---|
[1381] | 955 | MPI_Barrier(comm); |
---|
| 956 | MPI_Barrier(comm); |
---|
| 957 | MPI_Barrier(comm); |
---|
| 958 | |
---|
[1511] | 959 | // TESE OF INTERCOMM_CREATE |
---|
| 960 | { |
---|
| 961 | MPI_Barrier(comm); |
---|
| 962 | |
---|
| 963 | int rank, size; |
---|
| 964 | MPI_Comm_rank(comm, &rank); |
---|
| 965 | MPI_Comm_size(comm, &size); |
---|
[1515] | 966 | |
---|
| 967 | int config = 1; |
---|
| 968 | if(config=1) |
---|
| 969 | { |
---|
| 970 | assert(size == 16 && omp_get_num_threads()==4); |
---|
| 971 | } |
---|
[1511] | 972 | |
---|
[1515] | 973 | int tab_color[16] = {2, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1}; // used for config 1 |
---|
| 974 | int tab_key[16] = {2, 1, 4, 1, 0, 4, 3, 3, 4, 3, 4, 4, 4, 0, 0, 2}; // used for config 1 |
---|
[1381] | 975 | |
---|
[1511] | 976 | int color = tab_color[rank]; |
---|
| 977 | int key = tab_key[rank]; |
---|
| 978 | |
---|
| 979 | |
---|
| 980 | MPI_Comm split_comm; |
---|
| 981 | MPI_Comm_split(comm, color, key, &split_comm); |
---|
[1381] | 982 | |
---|
[1500] | 983 | |
---|
[1511] | 984 | int split_rank, split_size; |
---|
| 985 | MPI_Comm_rank(split_comm, &split_rank); |
---|
| 986 | MPI_Comm_size(split_comm, &split_size); |
---|
[1381] | 987 | |
---|
| 988 | |
---|
[1515] | 989 | |
---|
[1381] | 990 | |
---|
[1511] | 991 | MPI_Barrier(comm); |
---|
| 992 | MPI_Barrier(comm); |
---|
| 993 | |
---|
| 994 | if(rank == 0) printf(" \t MPI_Comm_split \t OK\n"); |
---|
| 995 | |
---|
| 996 | MPI_Barrier(comm); |
---|
| 997 | MPI_Barrier(comm); |
---|
| 998 | |
---|
| 999 | |
---|
| 1000 | |
---|
| 1001 | |
---|
| 1002 | |
---|
| 1003 | int local_leader = 0; |
---|
[1515] | 1004 | int remote_leader = color==2? 13: 4; // used for config 1 |
---|
[1381] | 1005 | |
---|
[1511] | 1006 | MPI_Comm peer_comm = comm; |
---|
[1381] | 1007 | |
---|
[1511] | 1008 | MPI_Comm inter_comm; |
---|
| 1009 | MPI_Intercomm_create(split_comm, local_leader, peer_comm, remote_leader, 99, &inter_comm); |
---|
[1515] | 1010 | |
---|
| 1011 | int inter_rank, inter_size, remote_size; |
---|
| 1012 | MPI_Comm_rank(inter_comm, &inter_rank); |
---|
| 1013 | MPI_Comm_size(inter_comm, &inter_size); |
---|
| 1014 | MPI_Comm_remote_size(inter_comm, &remote_size); |
---|
[1511] | 1015 | |
---|
[1515] | 1016 | |
---|
| 1017 | MPI_Barrier(comm); |
---|
| 1018 | MPI_Barrier(comm); |
---|
[1511] | 1019 | |
---|
[1515] | 1020 | if(rank == 0) printf(" \t MPI_Intercomm_create \t OK\n"); |
---|
[1511] | 1021 | |
---|
[1515] | 1022 | printf("rank = %d, split_rank = %d, split_size = %d, inter_rank=%d, inter_size=%d, remote_size=%d\n", rank, split_rank, split_size, inter_rank, inter_size, remote_size); |
---|
| 1023 | |
---|
| 1024 | |
---|
[1511] | 1025 | MPI_Barrier(comm); |
---|
| 1026 | MPI_Barrier(comm); |
---|
| 1027 | |
---|
[1525] | 1028 | |
---|
[1518] | 1029 | if(color==2 && split_rank==0) |
---|
[1515] | 1030 | { |
---|
| 1031 | double sendbuf[9]={1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9}; |
---|
| 1032 | MPI_Request send_request; |
---|
| 1033 | MPI_Status send_status; |
---|
[1518] | 1034 | MPI_Isend(sendbuf, 9, MPI_DOUBLE, 0, 10, inter_comm, &send_request); |
---|
[1515] | 1035 | MPI_Wait(&send_request, &send_status); |
---|
| 1036 | } |
---|
| 1037 | |
---|
[1518] | 1038 | if(color==1 && split_rank==0) |
---|
[1515] | 1039 | { |
---|
| 1040 | double recvbuf[9]; |
---|
| 1041 | MPI_Request recv_request; |
---|
| 1042 | MPI_Status recv_status; |
---|
[1518] | 1043 | MPI_Irecv(recvbuf, 9, MPI_DOUBLE, 0, 10, inter_comm, &recv_request); |
---|
[1515] | 1044 | MPI_Wait(&recv_request, &recv_status); |
---|
| 1045 | for(int i=0; i<9; i++) |
---|
| 1046 | { |
---|
| 1047 | printf("recvbuf[%d] = %lf\n", i, recvbuf[i]); |
---|
| 1048 | } |
---|
| 1049 | } |
---|
| 1050 | |
---|
| 1051 | MPI_Barrier(comm); |
---|
| 1052 | MPI_Barrier(comm); |
---|
| 1053 | |
---|
| 1054 | if(rank == 0) printf(" \t Test iP2P for intercomm \t OK\n"); |
---|
[1522] | 1055 | |
---|
| 1056 | |
---|
[1515] | 1057 | |
---|
| 1058 | |
---|
| 1059 | MPI_Barrier(comm); |
---|
| 1060 | MPI_Barrier(comm); |
---|
| 1061 | |
---|
[1511] | 1062 | MPI_Barrier(split_comm); |
---|
| 1063 | MPI_Comm_free(&split_comm); |
---|
| 1064 | |
---|
[1517] | 1065 | |
---|
[1515] | 1066 | MPI_Barrier(comm); |
---|
| 1067 | MPI_Barrier(comm); |
---|
[1511] | 1068 | |
---|
[1517] | 1069 | MPI_Comm inter_comm_dup; |
---|
| 1070 | MPI_Comm_dup(inter_comm, &inter_comm_dup); |
---|
| 1071 | |
---|
[1518] | 1072 | int inter_comm_dup_size; |
---|
| 1073 | int inter_comm_dup_remote_size; |
---|
| 1074 | MPI_Comm_size(inter_comm_dup, &inter_comm_dup_size); |
---|
| 1075 | |
---|
| 1076 | MPI_Comm_remote_size(inter_comm_dup, &inter_comm_dup_remote_size); |
---|
| 1077 | |
---|
| 1078 | bool high = inter_comm_dup_size>inter_comm_dup_remote_size; |
---|
| 1079 | |
---|
| 1080 | |
---|
[1525] | 1081 | printf("rank = %d, high = %d, inter_comm_dup_size = %d, inter_comm_dup_remote_size = %d\n", rank, high, inter_comm_dup_size, inter_comm_dup_remote_size); |
---|
[1518] | 1082 | |
---|
| 1083 | MPI_Comm inter_comm_dup_merged; |
---|
| 1084 | |
---|
| 1085 | MPI_Intercomm_merge(inter_comm_dup, high, &inter_comm_dup_merged); |
---|
| 1086 | |
---|
| 1087 | int inter_comm_dup_merged_rank; |
---|
| 1088 | MPI_Comm_rank(inter_comm_dup_merged, &inter_comm_dup_merged_rank); |
---|
| 1089 | |
---|
| 1090 | int inter_comm_dup_merged_size; |
---|
| 1091 | MPI_Comm_size(inter_comm_dup_merged, &inter_comm_dup_merged_size); |
---|
| 1092 | |
---|
[1522] | 1093 | //printf("rank = %d, inter_comm_dup_merged_rank = %d, inter_comm_dup_merged_size = %d\n", rank, inter_comm_dup_merged_rank, inter_comm_dup_merged_size); |
---|
| 1094 | |
---|
| 1095 | |
---|
[1525] | 1096 | MPI_Barrier(inter_comm_dup_merged); |
---|
[1518] | 1097 | |
---|
| 1098 | // TEST OF GATHER |
---|
| 1099 | { |
---|
[1527] | 1100 | int inter_comm_dup_merged_rank; |
---|
| 1101 | MPI_Comm_rank(inter_comm_dup_merged, &inter_comm_dup_merged_rank); |
---|
| 1102 | |
---|
| 1103 | int inter_comm_dup_merged_size; |
---|
| 1104 | MPI_Comm_size(inter_comm_dup_merged, &inter_comm_dup_merged_size); |
---|
[1525] | 1105 | |
---|
[1527] | 1106 | |
---|
[1525] | 1107 | |
---|
[1518] | 1108 | int gather_root = 99; |
---|
| 1109 | |
---|
| 1110 | if(inter_comm_dup_merged_rank == 0) |
---|
| 1111 | { |
---|
| 1112 | gather_root = rand() % inter_comm_dup_merged_size; |
---|
| 1113 | } |
---|
[1527] | 1114 | |
---|
| 1115 | |
---|
[1518] | 1116 | |
---|
| 1117 | MPI_Bcast(&gather_root, 1, MPI_INT, 0, inter_comm_dup_merged); |
---|
| 1118 | |
---|
[1527] | 1119 | printf("rank = %d, inter_comm_dup_merged_rank = %d, inter_comm_dup_merged_size = %d, gather_root = %d\n", rank, inter_comm_dup_merged_rank, inter_comm_dup_merged_size, gather_root); |
---|
| 1120 | |
---|
| 1121 | |
---|
[1518] | 1122 | double sendbuf[2]; |
---|
| 1123 | sendbuf[0] = inter_comm_dup_merged_rank * 1.0; |
---|
| 1124 | sendbuf[1] = inter_comm_dup_merged_size * (-1.0); |
---|
| 1125 | |
---|
| 1126 | std::vector<double>recvbuf(2*inter_comm_dup_merged_size, 0); |
---|
| 1127 | |
---|
| 1128 | MPI_Gather(sendbuf, 2, MPI_DOUBLE, recvbuf.data(), 2, MPI_DOUBLE, gather_root, inter_comm_dup_merged); |
---|
| 1129 | |
---|
| 1130 | bool gather_result = true; |
---|
| 1131 | |
---|
| 1132 | if(inter_comm_dup_merged_rank == gather_root) |
---|
| 1133 | { |
---|
| 1134 | for(int i=0; i<inter_comm_dup_merged_size; i++) |
---|
| 1135 | { |
---|
| 1136 | if(abs(recvbuf[2*i] - i) > 1.e-10 || abs(recvbuf[2*i+1] + inter_comm_dup_merged_size) > 1.e-10) |
---|
| 1137 | { |
---|
| 1138 | gather_result = false; |
---|
| 1139 | break; |
---|
| 1140 | } |
---|
| 1141 | } |
---|
| 1142 | |
---|
| 1143 | if(gather_result) printf("root = %d : \t test MPI_Gather for merged comm\t OK \n", gather_root); |
---|
| 1144 | else printf("root = %d : \t test MPI_Gather for merged comm\t FAILED\n", gather_root); |
---|
| 1145 | } |
---|
| 1146 | } |
---|
| 1147 | |
---|
[1525] | 1148 | MPI_Barrier(inter_comm_dup_merged); |
---|
| 1149 | |
---|
[1518] | 1150 | // TEST OF ALLREDUCE |
---|
| 1151 | { |
---|
| 1152 | |
---|
| 1153 | int sendbuf[2]; |
---|
| 1154 | sendbuf[0] = inter_comm_dup_merged_rank; |
---|
| 1155 | sendbuf[1] = -inter_comm_dup_merged_size; |
---|
| 1156 | |
---|
| 1157 | std::vector<int>recvbuf(2, 0); |
---|
| 1158 | |
---|
| 1159 | MPI_Op op = MPI_MIN; |
---|
| 1160 | |
---|
| 1161 | MPI_Allreduce(sendbuf, recvbuf.data(), 2, MPI_INT, op, inter_comm_dup_merged); |
---|
| 1162 | |
---|
| 1163 | |
---|
| 1164 | int allreduce_test = 1; |
---|
| 1165 | |
---|
| 1166 | |
---|
| 1167 | if((op == MPI_SUM && (abs(recvbuf[0]-(inter_comm_dup_merged_size-1)*inter_comm_dup_merged_size/2) > 1.e-10 || abs(recvbuf[1] + inter_comm_dup_merged_size * inter_comm_dup_merged_size) > 1.e-10) ) || |
---|
| 1168 | (op == MPI_MAX && (abs(recvbuf[0]-(inter_comm_dup_merged_size-1)) > 1.e-10 || abs(recvbuf[1] + inter_comm_dup_merged_size) > 1.e-10) ) || |
---|
| 1169 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] + inter_comm_dup_merged_size) > 1.e-10) ) ) |
---|
| 1170 | { |
---|
| 1171 | allreduce_test = 0; printf("%d %d\n", recvbuf[0], recvbuf[1]); |
---|
| 1172 | } |
---|
| 1173 | |
---|
| 1174 | |
---|
| 1175 | int allreduce_result; |
---|
| 1176 | MPI_Reduce(&allreduce_test, &allreduce_result, 1, MPI_INT, MPI_MIN, 0, inter_comm_dup_merged); |
---|
| 1177 | |
---|
| 1178 | if(inter_comm_dup_merged_rank == 0 && allreduce_result) printf(" \t test MPI_Allreduce for merged comm \t OK\n"); |
---|
| 1179 | if(inter_comm_dup_merged_rank == 0 && !allreduce_result) printf(" \t test MPI_Allreduce for merged comm \t FAILED\n"); |
---|
| 1180 | |
---|
| 1181 | } |
---|
| 1182 | |
---|
[1525] | 1183 | MPI_Barrier(inter_comm_dup_merged); |
---|
| 1184 | |
---|
[1518] | 1185 | // TEST OF EXSCAN |
---|
[1525] | 1186 | { |
---|
[1518] | 1187 | |
---|
| 1188 | std::vector<int>sendbuf(2, inter_comm_dup_merged_rank); |
---|
| 1189 | std::vector<int>recvbuf(2, -1); |
---|
| 1190 | |
---|
| 1191 | MPI_Op op = MPI_SUM; |
---|
| 1192 | |
---|
| 1193 | |
---|
| 1194 | MPI_Exscan(sendbuf.data(), recvbuf.data(), 2, MPI_INT, op, inter_comm_dup_merged); |
---|
| 1195 | |
---|
| 1196 | int exscan_test = 1; |
---|
| 1197 | |
---|
| 1198 | if(inter_comm_dup_merged_rank >0) |
---|
| 1199 | if((op == MPI_SUM && (abs(recvbuf[0]-inter_comm_dup_merged_rank*(inter_comm_dup_merged_rank-1)/2) > 1.e-10 || abs(recvbuf[1]-inter_comm_dup_merged_rank*(inter_comm_dup_merged_rank-1)/2) > 1.e-10) ) || |
---|
| 1200 | (op == MPI_MIN && (abs(recvbuf[0] ) > 1.e-10 || abs(recvbuf[1]) > 1.e-10) ) || |
---|
| 1201 | (op == MPI_MAX && (abs(recvbuf[0] - inter_comm_dup_merged_rank+1) > 1.e-10 || abs(recvbuf[1] - inter_comm_dup_merged_rank+1) > 1.e-10) ) ) |
---|
| 1202 | { |
---|
| 1203 | exscan_test = 0; |
---|
| 1204 | } |
---|
| 1205 | |
---|
| 1206 | int exscan_result; |
---|
| 1207 | MPI_Reduce(&exscan_test, &exscan_result, 1, MPI_INT, MPI_MIN, 0, inter_comm_dup_merged); |
---|
| 1208 | |
---|
| 1209 | if(inter_comm_dup_merged_rank == 0 && exscan_result) printf(" \t test MPI_Exscan for merged comm \t OK\n"); |
---|
| 1210 | if(inter_comm_dup_merged_rank == 0 && !exscan_result) printf(" \t test MPI_Exscan for merged comm \t FAILED %d\n", exscan_result); |
---|
[1525] | 1211 | } |
---|
[1518] | 1212 | |
---|
[1525] | 1213 | MPI_Barrier(inter_comm_dup_merged); |
---|
| 1214 | |
---|
[1518] | 1215 | // TEST OF SCATTERV |
---|
| 1216 | { |
---|
| 1217 | |
---|
| 1218 | int scatterv_root; |
---|
| 1219 | |
---|
| 1220 | if(inter_comm_dup_merged_rank == 0) scatterv_root = rand() % inter_comm_dup_merged_size; |
---|
| 1221 | |
---|
| 1222 | MPI_Bcast(&scatterv_root, 1, MPI_INT, 0, inter_comm_dup_merged); |
---|
| 1223 | |
---|
| 1224 | std::vector<int>sendbuf(2*inter_comm_dup_merged_size, inter_comm_dup_merged_rank); |
---|
| 1225 | std::vector<int>recvbuf(2, -1); |
---|
| 1226 | std::vector<int>sendcounts(inter_comm_dup_merged_size, 2); |
---|
| 1227 | std::vector<int>displs(inter_comm_dup_merged_size, 0); |
---|
| 1228 | |
---|
| 1229 | for(int i=0; i<inter_comm_dup_merged_size; i++) displs[i] = 2*(inter_comm_dup_merged_size-1-i); |
---|
| 1230 | |
---|
| 1231 | if(inter_comm_dup_merged_rank == scatterv_root) |
---|
| 1232 | { |
---|
| 1233 | for(int i=0; i<inter_comm_dup_merged_size; i++) |
---|
| 1234 | { |
---|
| 1235 | sendbuf[2*i] = i; |
---|
| 1236 | sendbuf[2*i+1] = inter_comm_dup_merged_size; |
---|
| 1237 | } |
---|
| 1238 | } |
---|
| 1239 | |
---|
| 1240 | |
---|
| 1241 | MPI_Scatterv(sendbuf.data(), sendcounts.data(), displs.data(), MPI_INT, recvbuf.data(), 2, MPI_INT, scatterv_root, inter_comm_dup_merged); |
---|
| 1242 | |
---|
| 1243 | int scatterv_test = 1; |
---|
| 1244 | |
---|
| 1245 | |
---|
| 1246 | if( abs(recvbuf[0]-(inter_comm_dup_merged_size-1-inter_comm_dup_merged_rank)) > 1.e-10 || abs(recvbuf[1]-inter_comm_dup_merged_size) > 1.e-10 ) |
---|
| 1247 | { |
---|
| 1248 | scatterv_test = 0; printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], inter_comm_dup_merged_rank); |
---|
| 1249 | } |
---|
| 1250 | |
---|
| 1251 | |
---|
| 1252 | int scatterv_result; |
---|
| 1253 | MPI_Reduce(&scatterv_test, &scatterv_result, 1, MPI_INT, MPI_MIN, scatterv_root, inter_comm_dup_merged); |
---|
| 1254 | |
---|
| 1255 | if(inter_comm_dup_merged_rank == scatterv_root && scatterv_result) printf("root = %d : \t test MPI_Scatterv for merged comm \t OK\n", scatterv_root); |
---|
| 1256 | if(inter_comm_dup_merged_rank == scatterv_root && !scatterv_result) printf("root = %d : \t test MPI_Scatterv for merged comm \t FAILED\n", scatterv_root); |
---|
| 1257 | } |
---|
| 1258 | |
---|
[1525] | 1259 | MPI_Barrier(inter_comm_dup_merged); |
---|
[1518] | 1260 | |
---|
[1525] | 1261 | // TEST OF TESTALL |
---|
| 1262 | { |
---|
| 1263 | int merged_size, merged_rank; |
---|
| 1264 | MPI_Comm_rank(inter_comm_dup_merged, &merged_rank); |
---|
| 1265 | MPI_Comm_size(inter_comm_dup_merged, &merged_size); |
---|
| 1266 | |
---|
| 1267 | int left = merged_rank>0? merged_rank-1 : merged_size-1; |
---|
| 1268 | int right = (merged_rank+1) % merged_size; |
---|
| 1269 | |
---|
| 1270 | int N=10000; |
---|
| 1271 | int *left_buf = new int[N]; |
---|
| 1272 | int *right_buf = new int[N]; |
---|
| 1273 | |
---|
| 1274 | for(int i=0; i<N; i++) |
---|
| 1275 | { |
---|
| 1276 | right_buf[i] = merged_rank*100000+i; |
---|
| 1277 | } |
---|
| 1278 | |
---|
| 1279 | MPI_Request request[2]; |
---|
| 1280 | MPI_Status status[2]; |
---|
| 1281 | |
---|
| 1282 | MPI_Irecv(left_buf, N, MPI_INT, left, 0, inter_comm_dup_merged, &request[0]); |
---|
| 1283 | MPI_Isend(right_buf, N, MPI_INT, right, 0, inter_comm_dup_merged, &request[1]); |
---|
| 1284 | |
---|
| 1285 | |
---|
| 1286 | int flag; |
---|
| 1287 | MPI_Testall(2, request, &flag, status); |
---|
| 1288 | |
---|
| 1289 | printf("rank = %d, flag = %d\n", merged_rank, flag); |
---|
| 1290 | |
---|
| 1291 | while(!flag) MPI_Testall(2, request, &flag, status); |
---|
| 1292 | |
---|
| 1293 | int recv_count; |
---|
| 1294 | MPI_Get_count(&status[0], MPI_INT, &recv_count); |
---|
| 1295 | |
---|
| 1296 | MPI_Barrier(inter_comm_dup_merged); |
---|
| 1297 | |
---|
| 1298 | printf("rank = %d, recv_count = %d, left_buf[5-10] = %d\t%d\t%d\t%d\t%d\t%d\n", merged_rank, recv_count, left_buf[5], left_buf[6], left_buf[7], left_buf[8], left_buf[9], left_buf[10]); |
---|
| 1299 | |
---|
| 1300 | delete[] left_buf; |
---|
| 1301 | delete[] right_buf; |
---|
| 1302 | } |
---|
| 1303 | |
---|
| 1304 | MPI_Barrier(inter_comm_dup_merged); |
---|
[1518] | 1305 | |
---|
[1525] | 1306 | // TEST WAITALL |
---|
| 1307 | { |
---|
| 1308 | int merged_rank; |
---|
| 1309 | int merged_size; |
---|
[1518] | 1310 | |
---|
[1525] | 1311 | MPI_Comm_rank(inter_comm_dup_merged, &merged_rank); |
---|
| 1312 | MPI_Comm_size(inter_comm_dup_merged, &merged_size); |
---|
| 1313 | |
---|
| 1314 | int left = merged_rank>0? merged_rank-1 : merged_size-1; |
---|
| 1315 | int right = (merged_rank+1)%merged_size; |
---|
| 1316 | |
---|
| 1317 | printf("merged_rank = %d, left = %d, right = %d\n", merged_rank, left, right); |
---|
| 1318 | |
---|
| 1319 | int NN=10000; |
---|
| 1320 | |
---|
| 1321 | double *left_buf = new double[NN]; |
---|
| 1322 | double *right_buf = new double[NN]; |
---|
| 1323 | |
---|
| 1324 | for(int i=0; i<NN; i++) |
---|
| 1325 | { |
---|
| 1326 | right_buf[i] = merged_rank*1000000 + i; |
---|
| 1327 | } |
---|
| 1328 | |
---|
| 1329 | MPI_Request request[2]; |
---|
| 1330 | MPI_Status status[2]; |
---|
| 1331 | |
---|
| 1332 | MPI_Irecv(left_buf, NN, MPI_DOUBLE, left, 0, inter_comm_dup_merged, &request[0]); |
---|
| 1333 | MPI_Isend(right_buf, NN, MPI_DOUBLE, right, 0, inter_comm_dup_merged, &request[1]); |
---|
| 1334 | |
---|
| 1335 | |
---|
| 1336 | MPI_Waitall(2, request, status); |
---|
| 1337 | |
---|
| 1338 | printf("merged_rank = %d, left_buf[0-4] = %lf\t%lf\t%lf\t%lf\t%lf\n", merged_rank, left_buf[0], left_buf[1], left_buf[2], left_buf[3], left_buf[4]); |
---|
| 1339 | |
---|
| 1340 | |
---|
| 1341 | delete left_buf; |
---|
| 1342 | delete right_buf; |
---|
| 1343 | } |
---|
| 1344 | |
---|
[1527] | 1345 | |
---|
[1517] | 1346 | MPI_Barrier(comm); |
---|
| 1347 | MPI_Barrier(comm); |
---|
| 1348 | |
---|
| 1349 | |
---|
| 1350 | MPI_Comm_free(&inter_comm_dup); |
---|
| 1351 | |
---|
[1518] | 1352 | MPI_Barrier(comm); |
---|
| 1353 | MPI_Barrier(comm); |
---|
[1517] | 1354 | |
---|
[1518] | 1355 | |
---|
| 1356 | MPI_Comm_free(&inter_comm_dup_merged); |
---|
| 1357 | |
---|
| 1358 | |
---|
| 1359 | |
---|
[1517] | 1360 | MPI_Barrier(comm); |
---|
| 1361 | MPI_Barrier(comm); |
---|
| 1362 | |
---|
| 1363 | MPI_Barrier(inter_comm); |
---|
[1515] | 1364 | MPI_Comm_free(&inter_comm); |
---|
| 1365 | |
---|
[1525] | 1366 | } |
---|
[1515] | 1367 | |
---|
[1525] | 1368 | // TESE OF INTERCOMM_CREATE |
---|
| 1369 | { |
---|
[1511] | 1370 | MPI_Barrier(comm); |
---|
[1525] | 1371 | |
---|
| 1372 | int rank, size; |
---|
| 1373 | MPI_Comm_rank(comm, &rank); |
---|
| 1374 | MPI_Comm_size(comm, &size); |
---|
[1511] | 1375 | |
---|
[1525] | 1376 | int config = 1; |
---|
| 1377 | if(config=1) |
---|
| 1378 | { |
---|
| 1379 | assert(size == 16 && omp_get_num_threads()==4); |
---|
| 1380 | } |
---|
| 1381 | |
---|
| 1382 | int tab_color[16] = {2, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1}; // used for config 1 |
---|
| 1383 | int tab_key[16] = {2, 1, 4, 1, 0, 4, 3, 3, 4, 3, 4, 4, 4, 0, 0, 2}; // used for config 1 |
---|
[1511] | 1384 | |
---|
[1525] | 1385 | int color = tab_color[rank]; |
---|
| 1386 | int key = tab_key[rank]; |
---|
| 1387 | |
---|
| 1388 | |
---|
| 1389 | MPI_Comm split_comm; |
---|
| 1390 | MPI_Comm_split(comm, color, key, &split_comm); |
---|
| 1391 | |
---|
[1511] | 1392 | |
---|
[1525] | 1393 | int split_rank, split_size; |
---|
| 1394 | MPI_Comm_rank(split_comm, &split_rank); |
---|
| 1395 | MPI_Comm_size(split_comm, &split_size); |
---|
[1511] | 1396 | |
---|
[1525] | 1397 | |
---|
| 1398 | |
---|
| 1399 | |
---|
[1511] | 1400 | MPI_Barrier(comm); |
---|
| 1401 | MPI_Barrier(comm); |
---|
[1525] | 1402 | |
---|
| 1403 | if(rank == 0) printf(" \t MPI_Comm_split \t OK\n"); |
---|
| 1404 | |
---|
| 1405 | MPI_Barrier(comm); |
---|
| 1406 | MPI_Barrier(comm); |
---|
| 1407 | |
---|
| 1408 | |
---|
| 1409 | int local_leader = 5; |
---|
| 1410 | int remote_leader = color==2? 5: 2; // used for config 1 |
---|
[1511] | 1411 | |
---|
[1525] | 1412 | MPI_Comm peer_comm = comm; |
---|
| 1413 | |
---|
| 1414 | MPI_Comm inter_comm; |
---|
[1527] | 1415 | MPI_Intercomm_create(split_comm, local_leader, peer_comm, remote_leader, 99, &inter_comm); |
---|
[1525] | 1416 | |
---|
| 1417 | int inter_rank; |
---|
| 1418 | int inter_size; |
---|
| 1419 | MPI_Comm_rank(inter_comm, &inter_rank); |
---|
| 1420 | MPI_Comm_size(inter_comm, &inter_size); |
---|
| 1421 | |
---|
| 1422 | printf("split_rank = %d, inter_rank = %d / %d\n", split_rank, inter_rank, inter_size); |
---|
| 1423 | |
---|
| 1424 | MPI_Barrier(split_comm); |
---|
| 1425 | MPI_Comm_free(&split_comm); |
---|
| 1426 | |
---|
[1527] | 1427 | MPI_Barrier(inter_comm); |
---|
| 1428 | MPI_Comm_free(&inter_comm); |
---|
[1511] | 1429 | |
---|
| 1430 | } |
---|
| 1431 | |
---|
[1381] | 1432 | MPI_Barrier(comm); |
---|
| 1433 | MPI_Comm_free(&comm); |
---|
| 1434 | } |
---|
| 1435 | |
---|
[1500] | 1436 | /* |
---|
[1382] | 1437 | int num_threads; |
---|
| 1438 | if(mpi_rank < mpi_size-2) |
---|
| 1439 | { |
---|
| 1440 | printf("Proc %d is client\n", mpi_rank); |
---|
[1393] | 1441 | num_threads = 2;//+mpi_rank; |
---|
[1382] | 1442 | } |
---|
| 1443 | else |
---|
| 1444 | { |
---|
| 1445 | printf("Proc %d is server\n", mpi_rank); |
---|
| 1446 | num_threads = 1; |
---|
| 1447 | } |
---|
| 1448 | |
---|
| 1449 | omp_set_num_threads(num_threads); |
---|
| 1450 | |
---|
| 1451 | #pragma omp parallel default(shared) firstprivate(num_threads) |
---|
| 1452 | { |
---|
| 1453 | int num_ep = num_threads; |
---|
| 1454 | MPI_Info info; |
---|
| 1455 | |
---|
| 1456 | //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); |
---|
| 1457 | MPI_Comm *ep_comm; |
---|
| 1458 | #pragma omp master |
---|
| 1459 | { |
---|
| 1460 | MPI_Comm *ep_comm; |
---|
[1500] | 1461 | MPI_Comm_create_endpoints(MPI_COMM_WORLD->mpi_comm, num_ep, info, ep_comm); |
---|
[1382] | 1462 | passage = ep_comm; |
---|
| 1463 | } |
---|
| 1464 | |
---|
| 1465 | #pragma omp barrier |
---|
| 1466 | |
---|
| 1467 | |
---|
| 1468 | MPI_Comm comm; // this should act as EP_COMM_WORLD |
---|
| 1469 | comm = passage[omp_get_thread_num()]; |
---|
| 1470 | |
---|
| 1471 | int rank, size; |
---|
| 1472 | MPI_Comm_rank(comm, &rank); |
---|
| 1473 | MPI_Comm_size(comm, &size); |
---|
| 1474 | |
---|
| 1475 | |
---|
| 1476 | |
---|
| 1477 | bool isClient = false; |
---|
| 1478 | bool isServer = false; |
---|
| 1479 | |
---|
| 1480 | if(omp_get_num_threads()>1) isClient = true; |
---|
| 1481 | else isServer = true; |
---|
| 1482 | |
---|
| 1483 | printf("mpi_rank = %d, ep_rank = %d, isClient = %d\n", mpi_rank, rank, isClient); |
---|
| 1484 | |
---|
| 1485 | MPI_Win ep_win; |
---|
[1385] | 1486 | MPI_Aint buf_size=1; |
---|
[1383] | 1487 | int buf = rank; |
---|
| 1488 | int local_buf = rank; |
---|
[1385] | 1489 | int result_buf = -1; |
---|
[1382] | 1490 | MPI_Win_create(&buf, buf_size, sizeof(int), info, comm, &ep_win); |
---|
| 1491 | MPI_Barrier(comm); |
---|
| 1492 | |
---|
| 1493 | // MPI_Win_fence(MPI_MODE_NOPRECEDE, ep_win); |
---|
| 1494 | |
---|
| 1495 | MPI_Barrier(comm); |
---|
| 1496 | sleep(0.2); |
---|
| 1497 | MPI_Barrier(comm); |
---|
| 1498 | |
---|
[1383] | 1499 | MPI_Win_fence(0, ep_win); |
---|
[1382] | 1500 | |
---|
[1383] | 1501 | if(rank == 0) |
---|
| 1502 | { |
---|
| 1503 | local_buf = 99; |
---|
[1385] | 1504 | MPI_Aint displs=0; |
---|
[1383] | 1505 | MPI_Put(&local_buf, 1, MPI_INT, size-1, displs, 1, MPI_INT, ep_win); |
---|
| 1506 | } |
---|
| 1507 | |
---|
| 1508 | if(rank == size-2) |
---|
| 1509 | { |
---|
| 1510 | MPI_Aint displs(0); |
---|
| 1511 | MPI_Get(&local_buf, 1, MPI_INT, 2, displs, 1, MPI_INT, ep_win); |
---|
| 1512 | } |
---|
| 1513 | |
---|
[1384] | 1514 | MPI_Win_fence(0, ep_win); |
---|
[1383] | 1515 | |
---|
[1385] | 1516 | if(rank == 1) |
---|
[1384] | 1517 | { |
---|
[1385] | 1518 | MPI_Aint displs=0; |
---|
| 1519 | MPI_Accumulate(&local_buf, 1, MPI_INT, size-1, displs, 1, MPI_INT, MPI_REPLACE, ep_win); |
---|
[1384] | 1520 | } |
---|
| 1521 | |
---|
| 1522 | |
---|
[1382] | 1523 | MPI_Barrier(comm); |
---|
| 1524 | |
---|
[1383] | 1525 | MPI_Win_fence(0, ep_win); |
---|
| 1526 | |
---|
[1385] | 1527 | if(rank == 2) |
---|
| 1528 | { |
---|
| 1529 | MPI_Aint displs = 0; |
---|
| 1530 | MPI_Get_accumulate(&local_buf, 1, MPI_INT, &result_buf, |
---|
| 1531 | 1, MPI_INT, size-2, displs, |
---|
| 1532 | 1, MPI_INT, MPI_SUM, ep_win); |
---|
| 1533 | } |
---|
[1388] | 1534 | |
---|
| 1535 | MPI_Win_fence(0, ep_win); |
---|
[1393] | 1536 | |
---|
| 1537 | if(rank == 6) |
---|
| 1538 | { |
---|
| 1539 | MPI_Aint displs = 0; |
---|
| 1540 | MPI_Fetch_and_op(&local_buf, &result_buf, MPI_INT, size-1, displs, |
---|
| 1541 | MPI_SUM, ep_win); |
---|
| 1542 | } |
---|
[1385] | 1543 | |
---|
[1393] | 1544 | MPI_Win_fence(0, ep_win); |
---|
| 1545 | |
---|
[1395] | 1546 | if(rank == 7) |
---|
| 1547 | { |
---|
| 1548 | MPI_Aint displs = 0; |
---|
| 1549 | MPI_Compare_and_swap(&local_buf, &buf, &result_buf, MPI_INT, size-1, displs, ep_win); |
---|
| 1550 | } |
---|
| 1551 | |
---|
| 1552 | MPI_Win_fence(0, ep_win); |
---|
| 1553 | |
---|
| 1554 | //::MPI_Compare_and_swap(origin_addr, compare_addr, result_addr, to_mpi_type(datatype), target_mpi_rank, to_mpi_aint(target_disp), to_mpi_win(win.server_win[target_local_rank])); |
---|
| 1555 | |
---|
[1388] | 1556 | MPI_Win ep_win_allocated; |
---|
| 1557 | int* baseptr = new int[10]; |
---|
| 1558 | MPI_Aint base_size = 4; |
---|
| 1559 | |
---|
| 1560 | MPI_Win_allocate (base_size, sizeof(int), info, comm, baseptr, &ep_win_allocated); |
---|
| 1561 | |
---|
| 1562 | MPI_Win_fence(0, ep_win_allocated); |
---|
| 1563 | |
---|
| 1564 | MPI_Win_free(&ep_win_allocated); |
---|
| 1565 | delete[] baseptr; |
---|
| 1566 | |
---|
[1382] | 1567 | MPI_Win_free(&ep_win); |
---|
[1385] | 1568 | printf("rank = %d, buf = %d, local_buf = %d, result_buf = %d\n", rank, buf, local_buf, result_buf); |
---|
[1382] | 1569 | |
---|
| 1570 | MPI_Comm_free(&comm); |
---|
| 1571 | |
---|
| 1572 | } |
---|
[1500] | 1573 | */ |
---|
[1381] | 1574 | MPI_Finalize(); |
---|
| 1575 | |
---|
[1522] | 1576 | } |
---|
[1532] | 1577 | |
---|