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