[1381] | 1 | #include "ep_lib.hpp" |
---|
| 2 | #include <stdio.h> |
---|
| 3 | #include <assert.h> |
---|
| 4 | #include "ep_declaration.hpp" |
---|
| 5 | #include <omp.h> |
---|
| 6 | #include <time.h> /* time */ |
---|
| 7 | #include <ctime> |
---|
| 8 | #include <ratio> |
---|
| 9 | #include <chrono> |
---|
| 10 | |
---|
| 11 | using namespace ep_lib; |
---|
| 12 | using namespace std::chrono; |
---|
| 13 | |
---|
| 14 | |
---|
| 15 | int main(int argc, char **argv) |
---|
| 16 | { |
---|
| 17 | srand (time(NULL)); |
---|
| 18 | |
---|
| 19 | printf("Testing ep_lib\n"); |
---|
| 20 | int required=3, provided; |
---|
| 21 | |
---|
| 22 | MPI_Init_thread(&argc, &argv, required, &provided); |
---|
| 23 | |
---|
| 24 | assert(required==provided); |
---|
| 25 | |
---|
| 26 | int mpi_rank; |
---|
| 27 | int mpi_size; |
---|
| 28 | |
---|
| 29 | MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank); |
---|
| 30 | MPI_Comm_size(MPI_COMM_WORLD, &mpi_size); |
---|
| 31 | |
---|
| 32 | #pragma omp parallel default(shared) |
---|
| 33 | { |
---|
| 34 | MPI_Comm_rank(MPI_COMM_WORLD , &mpi_rank); |
---|
| 35 | |
---|
| 36 | int num_ep = omp_get_num_threads(); |
---|
| 37 | MPI_Info info; |
---|
| 38 | |
---|
| 39 | //printf("mpi_rank = %d, thread_num = %d\n", mpi_rank, omp_get_thread_num()); |
---|
| 40 | |
---|
| 41 | MPI_Comm *ep_comm; |
---|
| 42 | #pragma omp master |
---|
| 43 | { |
---|
| 44 | MPI_Comm *ep_comm; |
---|
| 45 | MPI_Comm_create_endpoints(MPI_COMM_WORLD.mpi_comm, num_ep, info, ep_comm); |
---|
| 46 | passage = ep_comm; |
---|
| 47 | } |
---|
| 48 | |
---|
| 49 | #pragma omp barrier |
---|
| 50 | |
---|
| 51 | |
---|
| 52 | MPI_Comm comm; // this should act as EP_COMM_WORLD |
---|
| 53 | comm = passage[omp_get_thread_num()]; |
---|
| 54 | |
---|
| 55 | int rank, size; |
---|
| 56 | MPI_Comm_rank(comm, &rank); |
---|
| 57 | MPI_Comm_size(comm, &size); |
---|
| 58 | |
---|
| 59 | // TIMING SYCHRONIZATION |
---|
| 60 | { |
---|
| 61 | int n=100000; |
---|
[1382] | 62 | |
---|
| 63 | MPI_Barrier(comm); |
---|
[1381] | 64 | |
---|
| 65 | high_resolution_clock::time_point t1 = high_resolution_clock::now(); |
---|
| 66 | |
---|
| 67 | for(int i=0; i<n; i++) |
---|
| 68 | MPI_Barrier_local(comm); |
---|
| 69 | |
---|
| 70 | high_resolution_clock::time_point t2 = high_resolution_clock::now(); |
---|
| 71 | duration<double> time_span = duration_cast<duration<double>>(t2 - t1); |
---|
| 72 | #pragma omp master |
---|
| 73 | std::cout << "proc "<< mpi_rank <<" ep_barrier "<< time_span.count() << " seconds."<<std::endl; |
---|
| 74 | |
---|
| 75 | t1 = high_resolution_clock::now(); |
---|
| 76 | |
---|
| 77 | for(int i=0; i<n; i++) |
---|
| 78 | { |
---|
| 79 | #pragma omp barrier |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | t2 = high_resolution_clock::now(); |
---|
| 83 | time_span = duration_cast<duration<double>>(t2 - t1); |
---|
| 84 | |
---|
| 85 | #pragma omp master |
---|
| 86 | std::cout << "proc "<< mpi_rank <<" omp_barrier "<< time_span.count() << " seconds."<<std::endl; |
---|
| 87 | |
---|
| 88 | t1 = high_resolution_clock::now(); |
---|
| 89 | |
---|
| 90 | for(int i=0; i<n; i++) |
---|
| 91 | { |
---|
| 92 | //#pragma omp barrier |
---|
| 93 | } |
---|
| 94 | |
---|
| 95 | t2 = high_resolution_clock::now(); |
---|
| 96 | time_span = duration_cast<duration<double>>(t2 - t1); |
---|
| 97 | |
---|
| 98 | MPI_Barrier(comm); |
---|
[1382] | 99 | |
---|
[1381] | 100 | #pragma omp master |
---|
| 101 | std::cout << "proc "<< mpi_rank <<" for_loop "<< time_span.count() << " seconds."<<std::endl; |
---|
| 102 | } |
---|
| 103 | |
---|
| 104 | |
---|
| 105 | // TEST OF BCAST FROM A RANDOM ROOT |
---|
| 106 | { |
---|
| 107 | int bcast_root; |
---|
| 108 | |
---|
| 109 | if(rank == 0) bcast_root = rand() % size; |
---|
| 110 | |
---|
| 111 | MPI_Bcast(&bcast_root, 1, MPI_INT, 0, comm); |
---|
| 112 | |
---|
| 113 | int sendbuf[2]; |
---|
| 114 | |
---|
| 115 | sendbuf[0] = rank; |
---|
| 116 | sendbuf[1] = size; |
---|
| 117 | |
---|
| 118 | MPI_Bcast(sendbuf, 2, MPI_INT, bcast_root, comm); |
---|
| 119 | |
---|
| 120 | int bcast_test = 0; |
---|
| 121 | if(sendbuf[0] == bcast_root && sendbuf[1] == size) bcast_test = 1; |
---|
| 122 | |
---|
| 123 | int bcast_result; |
---|
| 124 | |
---|
| 125 | MPI_Reduce(&bcast_test, &bcast_result, 1, MPI_INT, MPI_MIN, bcast_root, comm); |
---|
| 126 | |
---|
| 127 | if(bcast_result && rank == bcast_root) printf("root = %d : \t test MPI_Bcast \t OK\n", bcast_root); |
---|
| 128 | if(!bcast_result && rank == bcast_root) printf("root = %d : \t test MPI_Bcast \t FAILED %d\n", bcast_root, bcast_result); |
---|
| 129 | } |
---|
| 130 | |
---|
| 131 | MPI_Barrier(comm); |
---|
| 132 | |
---|
| 133 | // TEST OF GATHER FROM A RAMDOM ROOT |
---|
| 134 | { |
---|
| 135 | int gather_root; |
---|
| 136 | |
---|
| 137 | if(rank == 0) gather_root = rand() % size; |
---|
| 138 | |
---|
| 139 | MPI_Bcast(&gather_root, 1, MPI_INT, 0, comm); |
---|
| 140 | |
---|
| 141 | double sendbuf[2]; |
---|
| 142 | sendbuf[0] = rank * 1.0; |
---|
| 143 | sendbuf[1] = size * (-1.0); |
---|
| 144 | |
---|
| 145 | std::vector<double>recvbuf(2*size, 0); |
---|
| 146 | |
---|
| 147 | MPI_Gather(sendbuf, 2, MPI_DOUBLE, recvbuf.data(), 2, MPI_DOUBLE, gather_root, comm); |
---|
| 148 | |
---|
| 149 | bool gather_result = true; |
---|
| 150 | |
---|
| 151 | if(rank == gather_root) |
---|
| 152 | { |
---|
| 153 | for(int i=0; i<size; i++) |
---|
| 154 | { |
---|
| 155 | if(abs(recvbuf[2*i] - i) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 156 | { |
---|
| 157 | gather_result = false; |
---|
| 158 | break; |
---|
| 159 | } |
---|
| 160 | } |
---|
| 161 | |
---|
| 162 | if(gather_result) printf("root = %d : \t test MPI_Gather \t OK \n", gather_root); |
---|
| 163 | else printf("root = %d : \t test MPI_Gather \t FAILED\n", gather_root); |
---|
| 164 | } |
---|
| 165 | } |
---|
| 166 | |
---|
| 167 | MPI_Barrier(comm); |
---|
| 168 | |
---|
| 169 | // TEST OF GATHERV FROM A RAMDOM ROOT |
---|
| 170 | { |
---|
| 171 | int gatherv_root; |
---|
| 172 | |
---|
| 173 | if(rank == 0) gatherv_root = rand() % size; |
---|
| 174 | |
---|
| 175 | MPI_Bcast(&gatherv_root, 1, MPI_INT, 0, comm); |
---|
| 176 | |
---|
| 177 | int sendbuf[2]; |
---|
| 178 | sendbuf[0] = rank; |
---|
| 179 | sendbuf[1] = -size; |
---|
| 180 | |
---|
| 181 | std::vector<int>recvbuf(2*size, 0); |
---|
| 182 | |
---|
| 183 | std::vector<int>recvcounts(size, 2); |
---|
| 184 | std::vector<int>displs(size, 0); |
---|
| 185 | |
---|
| 186 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
---|
| 187 | |
---|
| 188 | MPI_Gatherv(sendbuf, 2, MPI_INT, recvbuf.data(), recvcounts.data(), displs.data(), MPI_INT, gatherv_root, comm); |
---|
| 189 | |
---|
| 190 | bool gatherv_result = true; |
---|
| 191 | |
---|
| 192 | if(rank == gatherv_root) |
---|
| 193 | { |
---|
| 194 | for(int i=0; i<size; i++) |
---|
| 195 | { |
---|
| 196 | if(abs(recvbuf[2*i] - (size-1-i)) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 197 | { |
---|
| 198 | gatherv_result = false; printf("%lf %lf root = %d, i = %d\n", recvbuf[2*i], recvbuf[2*i+1], gatherv_root, i); |
---|
| 199 | break; |
---|
| 200 | } |
---|
| 201 | } |
---|
| 202 | |
---|
| 203 | //for(int i=0; i<size*2; i++) printf("%lf\t", recvbuf[i]); |
---|
| 204 | //printf("\n"); |
---|
| 205 | |
---|
| 206 | if(gatherv_result) printf("root = %d : \t test MPI_Gatherv \t OK\n", gatherv_root); |
---|
| 207 | else printf("root = %d : \t test MPI_Gatherv \t FAILED\n", gatherv_root); |
---|
| 208 | } |
---|
| 209 | } |
---|
| 210 | |
---|
| 211 | MPI_Barrier(comm); |
---|
| 212 | |
---|
| 213 | // TEST OF ALLGATHER |
---|
| 214 | { |
---|
| 215 | double sendbuf[2]; |
---|
| 216 | sendbuf[0] = rank * 1.0; |
---|
| 217 | sendbuf[1] = size * (-1.0); |
---|
| 218 | |
---|
| 219 | std::vector<double>recvbuf(2*size, 0); |
---|
| 220 | |
---|
| 221 | MPI_Allgather(sendbuf, 2, MPI_DOUBLE, recvbuf.data(), 2, MPI_DOUBLE, comm); |
---|
| 222 | |
---|
| 223 | int allgather_test = 1; |
---|
| 224 | |
---|
| 225 | for(int i=0; i<size; i++) |
---|
| 226 | { |
---|
| 227 | if(abs(recvbuf[2*i] - i) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 228 | { |
---|
| 229 | allgather_test = 0; |
---|
| 230 | break; |
---|
| 231 | } |
---|
| 232 | } |
---|
| 233 | |
---|
| 234 | int allgather_result; |
---|
| 235 | MPI_Reduce(&allgather_test, &allgather_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 236 | |
---|
| 237 | if(rank == 0 && allgather_result) printf(" \t test MPI_Allgather \t OK \n"); |
---|
| 238 | if(rank == 0 && !allgather_result) printf(" \t test MPI_Allgather \t OK \n"); |
---|
| 239 | |
---|
| 240 | } |
---|
| 241 | |
---|
| 242 | MPI_Barrier(comm); |
---|
| 243 | |
---|
| 244 | // TEST OF ALLGATHERV |
---|
| 245 | { |
---|
| 246 | int sendbuf[2]; |
---|
| 247 | sendbuf[0] = rank; |
---|
| 248 | sendbuf[1] = -size; |
---|
| 249 | |
---|
| 250 | std::vector<int>recvbuf(2*size, 0); |
---|
| 251 | |
---|
| 252 | std::vector<int>recvcounts(size, 2); |
---|
| 253 | std::vector<int>displs(size, 0); |
---|
| 254 | |
---|
| 255 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
---|
| 256 | |
---|
| 257 | MPI_Allgatherv(sendbuf, 2, MPI_INT, recvbuf.data(), recvcounts.data(), displs.data(), MPI_INT, comm); |
---|
| 258 | |
---|
| 259 | int allgatherv_test = 1; |
---|
| 260 | |
---|
| 261 | |
---|
| 262 | |
---|
| 263 | for(int i=0; i<size; i++) |
---|
| 264 | { |
---|
| 265 | if(abs(recvbuf[2*i] - (size-1-i)) > 1.e-10 || abs(recvbuf[2*i+1] + size) > 1.e-10) |
---|
| 266 | { |
---|
| 267 | 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); |
---|
| 268 | break; |
---|
| 269 | } |
---|
| 270 | } |
---|
| 271 | |
---|
| 272 | |
---|
| 273 | int allgatherv_result; |
---|
| 274 | MPI_Reduce(&allgatherv_test, &allgatherv_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 275 | |
---|
| 276 | if(rank == 0 && allgatherv_result) printf(" \t test MPI_Allgatherv \t OK \n"); |
---|
| 277 | if(rank == 0 && !allgatherv_result) printf(" \t test MPI_Allgatherv \t FAILED %d\n", allgatherv_result); |
---|
| 278 | |
---|
| 279 | } |
---|
| 280 | |
---|
| 281 | MPI_Barrier(comm); |
---|
| 282 | |
---|
| 283 | // TEST OF REDUCE |
---|
| 284 | { |
---|
| 285 | int reduce_root; |
---|
| 286 | |
---|
| 287 | if(rank == 0) reduce_root = rand() % size; |
---|
| 288 | |
---|
| 289 | MPI_Bcast(&reduce_root, 1, MPI_INT, 0, comm); |
---|
| 290 | |
---|
| 291 | int sendbuf[2]; |
---|
| 292 | sendbuf[0] = rank; |
---|
| 293 | sendbuf[1] = -size; |
---|
| 294 | |
---|
| 295 | std::vector<int>recvbuf(2, 0); |
---|
| 296 | |
---|
| 297 | MPI_Op op = MPI_MIN; |
---|
| 298 | |
---|
| 299 | MPI_Reduce(sendbuf, recvbuf.data(), 2, MPI_INT, op, reduce_root, comm); |
---|
| 300 | |
---|
| 301 | |
---|
| 302 | bool reduce_result = true; |
---|
| 303 | |
---|
| 304 | if(rank == reduce_root) |
---|
| 305 | { |
---|
| 306 | for(int i=0; i<2; i++) |
---|
| 307 | { |
---|
| 308 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[1] + size * size) > 1.e-10) ) || |
---|
| 309 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) || |
---|
| 310 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) ) |
---|
| 311 | { |
---|
| 312 | reduce_result = false; printf("%d %d root = %d, i = %d\n", recvbuf[0], recvbuf[1], reduce_root, i); |
---|
| 313 | break; |
---|
| 314 | } |
---|
| 315 | } |
---|
| 316 | } |
---|
| 317 | |
---|
| 318 | if(rank == reduce_root && reduce_result) printf("root = %d : \t test MPI_Reduce \t OK\n", reduce_root); |
---|
| 319 | if(rank == reduce_root && !reduce_result) printf("root = %d : \t test MPI_Reduce \t FAILED\n", reduce_root); |
---|
| 320 | } |
---|
| 321 | |
---|
| 322 | |
---|
| 323 | MPI_Barrier(comm); |
---|
| 324 | |
---|
| 325 | // TEST OF ALLREDUCE |
---|
| 326 | { |
---|
| 327 | |
---|
| 328 | int sendbuf[2]; |
---|
| 329 | sendbuf[0] = rank; |
---|
| 330 | sendbuf[1] = -size; |
---|
| 331 | |
---|
| 332 | std::vector<int>recvbuf(2, 0); |
---|
| 333 | |
---|
| 334 | MPI_Op op = MPI_MIN; |
---|
| 335 | |
---|
| 336 | MPI_Allreduce(sendbuf, recvbuf.data(), 2, MPI_INT, op, comm); |
---|
| 337 | |
---|
| 338 | |
---|
| 339 | int allreduce_test = 1; |
---|
| 340 | |
---|
| 341 | |
---|
| 342 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[1] + size * size) > 1.e-10) ) || |
---|
| 343 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) || |
---|
| 344 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] + size) > 1.e-10) ) ) |
---|
| 345 | { |
---|
| 346 | allreduce_test = 0; printf("%d %d\n", recvbuf[0], recvbuf[1]); |
---|
| 347 | } |
---|
| 348 | |
---|
| 349 | |
---|
| 350 | int allreduce_result; |
---|
| 351 | MPI_Reduce(&allreduce_test, &allreduce_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 352 | |
---|
| 353 | if(rank == 0 && allreduce_result) printf(" \t test MPI_Allreduce \t OK\n"); |
---|
| 354 | if(rank == 0 && !allreduce_result) printf(" \t test MPI_Allreduce \t FAILED\n"); |
---|
| 355 | } |
---|
| 356 | |
---|
| 357 | |
---|
| 358 | MPI_Barrier(comm); |
---|
| 359 | |
---|
| 360 | // TEST OF REDUCE_SCATTER |
---|
| 361 | { |
---|
| 362 | |
---|
| 363 | std::vector<int>sendbuf(2*size, rank); |
---|
| 364 | std::vector<int>recvbuf(2, -1); |
---|
| 365 | std::vector<int>recvcounts(size, 2); |
---|
| 366 | |
---|
| 367 | MPI_Op op = MPI_MIN; |
---|
| 368 | |
---|
| 369 | MPI_Reduce_scatter(sendbuf.data(), recvbuf.data(), recvcounts.data(), MPI_INT, op, comm); |
---|
| 370 | |
---|
| 371 | |
---|
| 372 | int reduce_scatter_test = 1; |
---|
| 373 | |
---|
| 374 | |
---|
| 375 | if((op == MPI_SUM && (abs(recvbuf[0]-(size-1)*size/2) > 1.e-10 || abs(recvbuf[0]-(size-1)*size/2) > 1.e-10) ) || |
---|
| 376 | (op == MPI_MAX && (abs(recvbuf[0]-(size-1)) > 1.e-10 || abs(recvbuf[1]-(size-1)) > 1.e-10) ) || |
---|
| 377 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1] ) > 1.e-10) ) ) |
---|
| 378 | { |
---|
| 379 | reduce_scatter_test = 0; //printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
---|
| 380 | } |
---|
| 381 | |
---|
| 382 | |
---|
| 383 | int reduce_scatter_result; |
---|
| 384 | MPI_Reduce(&reduce_scatter_test, &reduce_scatter_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 385 | |
---|
| 386 | if(rank == 0 && reduce_scatter_result) printf(" \t test MPI_Reduce_scatter OK\n"); |
---|
| 387 | if(rank == 0 && !reduce_scatter_result) printf(" \t test MPI_Reduce_scatter FAILED\n"); |
---|
| 388 | } |
---|
| 389 | |
---|
| 390 | MPI_Barrier(comm); |
---|
| 391 | |
---|
| 392 | // TEST OF SCATTER |
---|
| 393 | { |
---|
| 394 | |
---|
| 395 | int scatter_root; |
---|
| 396 | |
---|
| 397 | if(rank == 0) scatter_root = rand() % size; |
---|
| 398 | |
---|
| 399 | MPI_Bcast(&scatter_root, 1, MPI_INT, 0, comm); |
---|
| 400 | |
---|
| 401 | std::vector<int>sendbuf(2*size, rank); |
---|
| 402 | std::vector<int>recvbuf(2, -1); |
---|
| 403 | std::vector<int>recvcounts(size, 2); |
---|
| 404 | |
---|
| 405 | if(rank == scatter_root) |
---|
| 406 | { |
---|
| 407 | for(int i=0; i<size; i++) |
---|
| 408 | { |
---|
| 409 | sendbuf[2*i] = i; |
---|
| 410 | sendbuf[2*i+1] = size; |
---|
| 411 | } |
---|
| 412 | //for(int i=0; i<size*2; i++) printf("%d\t", sendbuf[i]); |
---|
| 413 | } |
---|
| 414 | |
---|
| 415 | |
---|
| 416 | MPI_Scatter(sendbuf.data(), 2, MPI_INT, recvbuf.data(), 2, MPI_INT, scatter_root, comm); |
---|
| 417 | |
---|
| 418 | //printf("ID = %d : %d %d\n", rank, recvbuf[0], recvbuf[1]); |
---|
| 419 | |
---|
| 420 | int scatter_test = 1; |
---|
| 421 | |
---|
| 422 | |
---|
| 423 | if( abs(recvbuf[0]-rank) > 1.e-10 || abs(recvbuf[1]-size) > 1.e-10 ) |
---|
| 424 | { |
---|
| 425 | scatter_test = 0; //printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
---|
| 426 | } |
---|
| 427 | |
---|
| 428 | |
---|
| 429 | int scatter_result; |
---|
| 430 | MPI_Reduce(&scatter_test, &scatter_result, 1, MPI_INT, MPI_MIN, scatter_root, comm); |
---|
| 431 | |
---|
| 432 | if(rank == scatter_root && scatter_result) printf("root = %d : \t test MPI_Scatter \t OK\n", scatter_root); |
---|
| 433 | if(rank == scatter_root && !scatter_result) printf("root = %d : \t test MPI_Scatter \t FAILED\n", scatter_root); |
---|
| 434 | } |
---|
| 435 | |
---|
| 436 | MPI_Barrier(comm); |
---|
| 437 | |
---|
| 438 | // TEST OF SCATTERV |
---|
| 439 | { |
---|
| 440 | |
---|
| 441 | int scatterv_root; |
---|
| 442 | |
---|
| 443 | if(rank == 0) scatterv_root = rand() % size; |
---|
| 444 | |
---|
| 445 | MPI_Bcast(&scatterv_root, 1, MPI_INT, 0, comm); |
---|
| 446 | |
---|
| 447 | std::vector<int>sendbuf(2*size, rank); |
---|
| 448 | std::vector<int>recvbuf(2, -1); |
---|
| 449 | std::vector<int>sendcounts(size, 2); |
---|
| 450 | std::vector<int>displs(size, 0); |
---|
| 451 | |
---|
| 452 | for(int i=0; i<size; i++) displs[i] = 2*(size-1-i); |
---|
| 453 | |
---|
| 454 | if(rank == scatterv_root) |
---|
| 455 | { |
---|
| 456 | for(int i=0; i<size; i++) |
---|
| 457 | { |
---|
| 458 | sendbuf[2*i] = i; |
---|
| 459 | sendbuf[2*i+1] = size; |
---|
| 460 | } |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | |
---|
| 464 | MPI_Scatterv(sendbuf.data(), sendcounts.data(), displs.data(), MPI_INT, recvbuf.data(), 2, MPI_INT, scatterv_root, comm); |
---|
| 465 | |
---|
| 466 | //printf("ID = %d : %d %d\n", rank, recvbuf[0], recvbuf[1]); |
---|
| 467 | |
---|
| 468 | int scatterv_test = 1; |
---|
| 469 | |
---|
| 470 | |
---|
| 471 | if( abs(recvbuf[0]-(size-1-rank)) > 1.e-10 || abs(recvbuf[1]-size) > 1.e-10 ) |
---|
| 472 | { |
---|
| 473 | scatterv_test = 0; printf("%d %d id = %d\n", recvbuf[0], recvbuf[1], rank); |
---|
| 474 | } |
---|
| 475 | |
---|
| 476 | |
---|
| 477 | int scatterv_result; |
---|
| 478 | MPI_Reduce(&scatterv_test, &scatterv_result, 1, MPI_INT, MPI_MIN, scatterv_root, comm); |
---|
| 479 | |
---|
| 480 | if(rank == scatterv_root && scatterv_result) printf("root = %d : \t test MPI_Scatterv \t OK\n", scatterv_root); |
---|
| 481 | if(rank == scatterv_root && !scatterv_result) printf("root = %d : \t test MPI_Scatterv \t FAILED\n", scatterv_root); |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | MPI_Barrier(comm); |
---|
| 485 | |
---|
| 486 | // TEST OF ALLTOALL |
---|
| 487 | { |
---|
| 488 | |
---|
| 489 | std::vector<int>sendbuf(size, rank); |
---|
| 490 | std::vector<int>recvbuf(size, -1); |
---|
| 491 | |
---|
| 492 | |
---|
| 493 | MPI_Alltoall(sendbuf.data(), 1, MPI_INT, recvbuf.data(), 1, MPI_INT, comm); |
---|
| 494 | |
---|
| 495 | int alltoall_result = 1; |
---|
| 496 | |
---|
| 497 | |
---|
| 498 | for(int i=0; i<size; i++) |
---|
| 499 | if( abs(recvbuf[i]-i) > 1.e-10 ) |
---|
| 500 | { |
---|
| 501 | alltoall_result = 0; printf("%d id = %d\n", recvbuf[i], rank); |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | if(rank == 0 && alltoall_result) printf(" \t test MPI_Alltoall \t OK\n"); |
---|
| 505 | if(rank == 0 && !alltoall_result) printf(" \t test MPI_Alltoall \t FAILED\n"); |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | // TEST OF SCAN |
---|
| 509 | { |
---|
| 510 | |
---|
| 511 | std::vector<int>sendbuf(2, rank); |
---|
| 512 | std::vector<int>recvbuf(2, -1); |
---|
| 513 | |
---|
| 514 | MPI_Op op = MPI_SUM; |
---|
| 515 | |
---|
| 516 | |
---|
| 517 | MPI_Scan(sendbuf.data(), recvbuf.data(), 2, MPI_INT, op, comm); |
---|
| 518 | |
---|
| 519 | int scan_test = 1; |
---|
| 520 | |
---|
| 521 | // printf(" ID=%d : %d %d \n", rank, recvbuf[0], recvbuf[1]); |
---|
| 522 | |
---|
| 523 | if((op == MPI_SUM && (abs(recvbuf[0]-rank*(rank+1)/2) > 1.e-10 || abs(recvbuf[1]-rank*(rank+1)/2) > 1.e-10) ) || |
---|
| 524 | (op == MPI_MIN && (abs(recvbuf[0]) > 1.e-10 || abs(recvbuf[1]) > 1.e-10) ) || |
---|
| 525 | (op == MPI_MAX && (abs(recvbuf[0] - rank) > 1.e-10 || abs(recvbuf[1] - rank) > 1.e-10) ) ) |
---|
| 526 | { |
---|
| 527 | scan_test = 0; //printf("%d id = %d\n", recvbuf[i], rank); |
---|
| 528 | } |
---|
| 529 | |
---|
| 530 | int scan_result; |
---|
| 531 | MPI_Reduce(&scan_test, &scan_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 532 | |
---|
| 533 | if(rank == 0 && scan_result) printf(" \t test MPI_Scan \t\t OK\n"); |
---|
| 534 | if(rank == 0 && !scan_result) printf(" \t test MPI_Scan \t\t FAILED\n"); |
---|
| 535 | } |
---|
| 536 | |
---|
| 537 | |
---|
| 538 | // TEST OF EXSCAN |
---|
| 539 | { |
---|
| 540 | |
---|
| 541 | std::vector<int>sendbuf(2, rank); |
---|
| 542 | std::vector<int>recvbuf(2, -1); |
---|
| 543 | |
---|
| 544 | MPI_Op op = MPI_SUM; |
---|
| 545 | |
---|
| 546 | |
---|
| 547 | MPI_Exscan(sendbuf.data(), recvbuf.data(), 2, MPI_INT, op, comm); |
---|
| 548 | |
---|
| 549 | int exscan_test = 1; |
---|
| 550 | |
---|
| 551 | // printf(" ID=%d : %d %d \n", rank, recvbuf[0], recvbuf[1]); |
---|
| 552 | |
---|
| 553 | if(rank >0) |
---|
| 554 | if((op == MPI_SUM && (abs(recvbuf[0]-rank*(rank-1)/2) > 1.e-10 || abs(recvbuf[1]-rank*(rank-1)/2) > 1.e-10) ) || |
---|
| 555 | (op == MPI_MIN && (abs(recvbuf[0] ) > 1.e-10 || abs(recvbuf[1]) > 1.e-10) ) || |
---|
| 556 | (op == MPI_MAX && (abs(recvbuf[0] - rank+1) > 1.e-10 || abs(recvbuf[1] - rank+1) > 1.e-10) ) ) |
---|
| 557 | { |
---|
| 558 | exscan_test = 0; //printf("%d id = %d\n", recvbuf[i], rank); |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | int exscan_result; |
---|
| 562 | MPI_Reduce(&exscan_test, &exscan_result, 1, MPI_INT, MPI_MIN, 0, comm); |
---|
| 563 | |
---|
| 564 | if(rank == 0 && exscan_result) printf(" \t test MPI_Exscan \t OK\n"); |
---|
| 565 | if(rank == 0 && !exscan_result) printf(" \t test MPI_Exscan \t FAILED\n"); |
---|
| 566 | } |
---|
| 567 | |
---|
| 568 | |
---|
| 569 | |
---|
| 570 | |
---|
| 571 | /* |
---|
| 572 | MPI_Barrier(comm); |
---|
| 573 | { |
---|
| 574 | int rank, size; |
---|
| 575 | MPI_Comm_rank(comm, &rank); |
---|
| 576 | MPI_Comm_size(comm, &size); |
---|
| 577 | |
---|
| 578 | //int color = rank%2; |
---|
| 579 | int color, remote_leader; |
---|
| 580 | if(rank<size-2) {color = 1; remote_leader = size-2;} |
---|
| 581 | else {color = 0; remote_leader = 0;} |
---|
| 582 | |
---|
| 583 | printf("rank = %d, color = %d, remote_leader = %d\n", rank, color, remote_leader); |
---|
| 584 | |
---|
| 585 | MPI_Comm sub_comm; |
---|
| 586 | MPI_Comm_split(comm, color, rank, &sub_comm); |
---|
| 587 | |
---|
| 588 | |
---|
| 589 | |
---|
| 590 | int sub_rank; |
---|
| 591 | MPI_Comm_rank(sub_comm, &sub_rank); |
---|
| 592 | |
---|
| 593 | |
---|
| 594 | MPI_Barrier(comm); |
---|
| 595 | if(rank == 0) printf("\tMPI_Comm_split OK\n"); |
---|
| 596 | MPI_Barrier(comm); |
---|
| 597 | |
---|
| 598 | MPI_Comm inter_comm; |
---|
| 599 | //MPI_Intercomm_create(sub_comm, 0, comm, (color+1)%2, 99, &inter_comm); |
---|
| 600 | MPI_Intercomm_create(sub_comm, 0, comm, remote_leader, 99, &inter_comm); |
---|
| 601 | |
---|
| 602 | MPI_Barrier(comm); |
---|
| 603 | if(rank == 0) printf("\tMPI_Intercomm_create OK\n"); |
---|
| 604 | MPI_Barrier(comm); |
---|
| 605 | |
---|
| 606 | |
---|
| 607 | |
---|
| 608 | int high=color; |
---|
| 609 | MPI_Comm intra_comm; |
---|
| 610 | MPI_Intercomm_merge(inter_comm, high, &intra_comm); |
---|
| 611 | |
---|
| 612 | int intra_rank, intra_size; |
---|
| 613 | MPI_Comm_rank(intra_comm, &intra_rank); |
---|
| 614 | MPI_Comm_size(intra_comm, &intra_size); |
---|
| 615 | |
---|
| 616 | MPI_Barrier(comm); |
---|
| 617 | if(rank == 0) printf("\tMPI_Intercomm_merge OK\n"); |
---|
| 618 | MPI_Barrier(comm); |
---|
| 619 | } |
---|
| 620 | |
---|
| 621 | //check_test_gatherv(comm); |
---|
| 622 | |
---|
| 623 | // MPI_Barrier(comm); |
---|
| 624 | // MPI_Comm_free(&sub_comm); |
---|
| 625 | |
---|
| 626 | |
---|
| 627 | // MPI_Barrier(comm); |
---|
| 628 | // MPI_Comm_free(&inter_comm); |
---|
| 629 | */ |
---|
| 630 | |
---|
| 631 | MPI_Barrier(comm); |
---|
| 632 | MPI_Comm_free(&comm); |
---|
| 633 | } |
---|
| 634 | |
---|
[1382] | 635 | int num_threads; |
---|
| 636 | if(mpi_rank < mpi_size-2) |
---|
| 637 | { |
---|
| 638 | printf("Proc %d is client\n", mpi_rank); |
---|
[1388] | 639 | num_threads = 2+mpi_rank; |
---|
[1382] | 640 | } |
---|
| 641 | else |
---|
| 642 | { |
---|
| 643 | printf("Proc %d is server\n", mpi_rank); |
---|
| 644 | num_threads = 1; |
---|
| 645 | } |
---|
| 646 | |
---|
| 647 | omp_set_num_threads(num_threads); |
---|
| 648 | |
---|
| 649 | #pragma omp parallel default(shared) firstprivate(num_threads) |
---|
| 650 | { |
---|
| 651 | int num_ep = num_threads; |
---|
| 652 | MPI_Info info; |
---|
| 653 | |
---|
| 654 | //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); |
---|
| 655 | MPI_Comm *ep_comm; |
---|
| 656 | #pragma omp master |
---|
| 657 | { |
---|
| 658 | MPI_Comm *ep_comm; |
---|
| 659 | MPI_Comm_create_endpoints(MPI_COMM_WORLD.mpi_comm, num_ep, info, ep_comm); |
---|
| 660 | passage = ep_comm; |
---|
| 661 | } |
---|
| 662 | |
---|
| 663 | #pragma omp barrier |
---|
| 664 | |
---|
| 665 | |
---|
| 666 | MPI_Comm comm; // this should act as EP_COMM_WORLD |
---|
| 667 | comm = passage[omp_get_thread_num()]; |
---|
| 668 | |
---|
| 669 | int rank, size; |
---|
| 670 | MPI_Comm_rank(comm, &rank); |
---|
| 671 | MPI_Comm_size(comm, &size); |
---|
| 672 | |
---|
| 673 | |
---|
| 674 | |
---|
| 675 | bool isClient = false; |
---|
| 676 | bool isServer = false; |
---|
| 677 | |
---|
| 678 | if(omp_get_num_threads()>1) isClient = true; |
---|
| 679 | else isServer = true; |
---|
| 680 | |
---|
| 681 | printf("mpi_rank = %d, ep_rank = %d, isClient = %d\n", mpi_rank, rank, isClient); |
---|
| 682 | |
---|
| 683 | MPI_Win ep_win; |
---|
[1385] | 684 | MPI_Aint buf_size=1; |
---|
[1383] | 685 | int buf = rank; |
---|
| 686 | int local_buf = rank; |
---|
[1385] | 687 | int result_buf = -1; |
---|
[1382] | 688 | MPI_Win_create(&buf, buf_size, sizeof(int), info, comm, &ep_win); |
---|
| 689 | MPI_Barrier(comm); |
---|
| 690 | |
---|
| 691 | // MPI_Win_fence(MPI_MODE_NOPRECEDE, ep_win); |
---|
| 692 | |
---|
| 693 | MPI_Barrier(comm); |
---|
| 694 | sleep(0.2); |
---|
| 695 | MPI_Barrier(comm); |
---|
| 696 | |
---|
[1383] | 697 | MPI_Win_fence(0, ep_win); |
---|
[1382] | 698 | |
---|
[1383] | 699 | if(rank == 0) |
---|
| 700 | { |
---|
| 701 | local_buf = 99; |
---|
[1385] | 702 | MPI_Aint displs=0; |
---|
[1383] | 703 | MPI_Put(&local_buf, 1, MPI_INT, size-1, displs, 1, MPI_INT, ep_win); |
---|
| 704 | } |
---|
| 705 | |
---|
| 706 | if(rank == size-2) |
---|
| 707 | { |
---|
| 708 | MPI_Aint displs(0); |
---|
| 709 | MPI_Get(&local_buf, 1, MPI_INT, 2, displs, 1, MPI_INT, ep_win); |
---|
| 710 | } |
---|
| 711 | |
---|
[1384] | 712 | MPI_Win_fence(0, ep_win); |
---|
[1383] | 713 | |
---|
[1385] | 714 | if(rank == 1) |
---|
[1384] | 715 | { |
---|
[1385] | 716 | MPI_Aint displs=0; |
---|
| 717 | MPI_Accumulate(&local_buf, 1, MPI_INT, size-1, displs, 1, MPI_INT, MPI_REPLACE, ep_win); |
---|
[1384] | 718 | } |
---|
| 719 | |
---|
| 720 | |
---|
[1382] | 721 | MPI_Barrier(comm); |
---|
| 722 | |
---|
[1383] | 723 | MPI_Win_fence(0, ep_win); |
---|
| 724 | |
---|
[1385] | 725 | if(rank == 2) |
---|
| 726 | { |
---|
| 727 | MPI_Aint displs = 0; |
---|
| 728 | MPI_Get_accumulate(&local_buf, 1, MPI_INT, &result_buf, |
---|
| 729 | 1, MPI_INT, size-2, displs, |
---|
| 730 | 1, MPI_INT, MPI_SUM, ep_win); |
---|
| 731 | } |
---|
[1388] | 732 | |
---|
| 733 | MPI_Win_fence(0, ep_win); |
---|
[1385] | 734 | |
---|
[1388] | 735 | MPI_Win ep_win_allocated; |
---|
| 736 | int* baseptr = new int[10]; |
---|
| 737 | MPI_Aint base_size = 4; |
---|
| 738 | |
---|
| 739 | MPI_Win_allocate (base_size, sizeof(int), info, comm, baseptr, &ep_win_allocated); |
---|
| 740 | |
---|
| 741 | MPI_Win_fence(0, ep_win_allocated); |
---|
| 742 | |
---|
| 743 | MPI_Win_free(&ep_win_allocated); |
---|
| 744 | delete[] baseptr; |
---|
| 745 | |
---|
[1382] | 746 | MPI_Win_free(&ep_win); |
---|
[1385] | 747 | printf("rank = %d, buf = %d, local_buf = %d, result_buf = %d\n", rank, buf, local_buf, result_buf); |
---|
[1382] | 748 | |
---|
| 749 | MPI_Comm_free(&comm); |
---|
| 750 | |
---|
| 751 | } |
---|
| 752 | |
---|
[1381] | 753 | MPI_Finalize(); |
---|
| 754 | |
---|
| 755 | } |
---|