1 /* 2 This provides a few of the MPI-uni functions that cannot be implemented 3 with C macros 4 */ 5 #include <petscsys.h> 6 #if !defined(MPIUNI_H) 7 #error "Wrong mpi.h included! require mpi.h from MPIUNI" 8 #endif 9 10 #include <petsc/private/petscimpl.h> /* for PetscCUPMInitialized */ 11 12 #if defined(PETSC_HAVE_CUDA) 13 #include <cuda_runtime.h> 14 #endif 15 16 #if defined(PETSC_HAVE_HIP) 17 #include <hip/hip_runtime.h> 18 #endif 19 20 #define MPI_SUCCESS 0 21 #define MPI_FAILURE 1 22 23 void *MPIUNI_TMP = NULL; 24 25 /* 26 With MPI Uni there are exactly four distinct communicators: 27 MPI_COMM_SELF, MPI_COMM_WORLD, and a MPI_Comm_dup() of each of these (duplicates of duplicates return the same communictor) 28 29 MPI_COMM_SELF and MPI_COMM_WORLD are MPI_Comm_free() in MPI_Finalize() but in general with PETSc, 30 the other communicators are freed once the last PETSc object is freed (before MPI_Finalize()). 31 32 */ 33 #define MAX_ATTR 256 34 #define MAX_COMM 128 35 36 typedef struct { 37 void *attribute_val; 38 int active; 39 } MPI_Attr; 40 41 typedef struct { 42 void *extra_state; 43 MPI_Delete_function *del; 44 int active; /* Is this keyval in use by some comm? */ 45 } MPI_Attr_keyval; 46 47 static MPI_Attr_keyval attr_keyval[MAX_ATTR]; 48 static MPI_Attr attr[MAX_COMM][MAX_ATTR]; 49 static int comm_active[MAX_COMM]; /* Boolean array indicating which comms are in use */ 50 static int mpi_tag_ub = 100000000; 51 static int num_attr = 1; /* Maximal number of keyvals/attributes ever created, including the predefined MPI_TAG_UB attribute. */ 52 static int MaxComm = 2; /* Maximal number of communicators ever created, including comm_self(1), comm_world(2), but not comm_null(0) */ 53 static void* MPIUNIF_mpi_in_place = 0; 54 55 #define CommIdx(comm) ((comm)-1) /* the communicator's internal index used in attr[idx][] and comm_active[idx]. comm_null does not occupy slots in attr[][] */ 56 57 #if defined(__cplusplus) 58 extern "C" { 59 #endif 60 61 /* 62 To avoid problems with prototypes to the system memcpy() it is duplicated here 63 */ 64 int MPIUNI_Memcpy(void *dst,const void *src,int n) 65 { 66 if (dst == MPI_IN_PLACE || dst == MPIUNIF_mpi_in_place) return MPI_SUCCESS; 67 if (src == MPI_IN_PLACE || src == MPIUNIF_mpi_in_place) return MPI_SUCCESS; 68 if (!n) return MPI_SUCCESS; 69 70 /* GPU-aware MPIUNI. Use synchronous copy per MPI semantics */ 71 #if defined(PETSC_HAVE_CUDA) 72 if (PetscCUDAInitialized) {cudaError_t cerr = cudaMemcpy(dst,src,n,cudaMemcpyDefault);if (cerr != cudaSuccess) return MPI_FAILURE;} else 73 #elif defined(PETSC_HAVE_HIP) 74 if (PetscHIPInitialized) {hipError_t cerr = hipMemcpy(dst,src,n,hipMemcpyDefault); if (cerr != hipSuccess) return MPI_FAILURE;} else 75 #endif 76 {memcpy(dst,src,n);} 77 return MPI_SUCCESS; 78 } 79 80 static int classcnt = 0; 81 static int codecnt = 0; 82 83 int MPI_Add_error_class(int *cl) 84 { 85 *cl = classcnt++; 86 return MPI_SUCCESS; 87 } 88 89 int MPI_Add_error_code(int cl,int *co) 90 { 91 if (cl >= classcnt) return MPI_FAILURE; 92 *co = codecnt++; 93 return MPI_SUCCESS; 94 } 95 96 int MPI_Type_get_envelope(MPI_Datatype datatype,int *num_integers,int *num_addresses,int *num_datatypes,int *combiner) 97 { 98 int comb = datatype >> 28; 99 switch (comb) { 100 case MPI_COMBINER_NAMED: 101 *num_integers = 0; 102 *num_addresses = 0; 103 *num_datatypes = 0; 104 *combiner = comb; 105 break; 106 case MPI_COMBINER_DUP: 107 *num_integers = 0; 108 *num_addresses = 0; 109 *num_datatypes = 1; 110 *combiner = comb; 111 break; 112 case MPI_COMBINER_CONTIGUOUS: 113 *num_integers = 1; 114 *num_addresses = 0; 115 *num_datatypes = 1; 116 *combiner = comb; 117 break; 118 default: 119 return MPIUni_Abort(MPI_COMM_SELF,1); 120 } 121 return MPI_SUCCESS; 122 } 123 124 int MPI_Type_get_contents(MPI_Datatype datatype,int max_integers,int max_addresses,int max_datatypes,int *array_of_integers,MPI_Aint *array_of_addresses,MPI_Datatype *array_of_datatypes) 125 { 126 int comb = datatype >> 28; 127 switch (comb) { 128 case MPI_COMBINER_NAMED: 129 return MPIUni_Abort(MPI_COMM_SELF,1); 130 case MPI_COMBINER_DUP: 131 if (max_datatypes < 1) return MPIUni_Abort(MPI_COMM_SELF,1); 132 array_of_datatypes[0] = datatype & 0x0fffffff; 133 break; 134 case MPI_COMBINER_CONTIGUOUS: 135 if (max_integers < 1 || max_datatypes < 1) return MPIUni_Abort(MPI_COMM_SELF,1); 136 array_of_integers[0] = (datatype >> 8) & 0xfff; /* count */ 137 array_of_datatypes[0] = (datatype & 0x0ff000ff) | 0x100; /* basic named type (count=1) from which the contiguous type is derived */ 138 break; 139 default: 140 return MPIUni_Abort(MPI_COMM_SELF,1); 141 } 142 return MPI_SUCCESS; 143 } 144 145 /* 146 Used to set the built-in MPI_TAG_UB attribute 147 */ 148 static int Keyval_setup(void) 149 { 150 attr[CommIdx(MPI_COMM_WORLD)][0].active = 1; 151 attr[CommIdx(MPI_COMM_WORLD)][0].attribute_val = &mpi_tag_ub; 152 attr[CommIdx(MPI_COMM_SELF)][0].active = 1; 153 attr[CommIdx(MPI_COMM_SELF)][0].attribute_val = &mpi_tag_ub; 154 attr_keyval[0].active = 1; 155 return MPI_SUCCESS; 156 } 157 158 int MPI_Comm_create_keyval(MPI_Copy_function *copy_fn,MPI_Delete_function *delete_fn,int *keyval,void *extra_state) 159 { 160 int i,keyid; 161 for (i=1; i<num_attr; i++) { /* the first attribute is always in use */ 162 if (!attr_keyval[i].active) { 163 keyid = i; 164 goto found; 165 } 166 } 167 if (num_attr >= MAX_ATTR) return MPIUni_Abort(MPI_COMM_WORLD,1); 168 keyid = num_attr++; 169 170 found: 171 attr_keyval[keyid].extra_state = extra_state; 172 attr_keyval[keyid].del = delete_fn; 173 attr_keyval[keyid].active = 1; 174 *keyval = keyid; 175 return MPI_SUCCESS; 176 } 177 178 int MPI_Comm_free_keyval(int *keyval) 179 { 180 attr_keyval[*keyval].extra_state = 0; 181 attr_keyval[*keyval].del = 0; 182 attr_keyval[*keyval].active = 0; 183 *keyval = 0; 184 return MPI_SUCCESS; 185 } 186 187 int MPI_Comm_set_attr(MPI_Comm comm,int keyval,void *attribute_val) 188 { 189 int idx = CommIdx(comm); 190 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 191 attr[idx][keyval].active = 1; 192 attr[idx][keyval].attribute_val = attribute_val; 193 return MPI_SUCCESS; 194 } 195 196 int MPI_Comm_delete_attr(MPI_Comm comm,int keyval) 197 { 198 int idx = CommIdx(comm); 199 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 200 if (attr[idx][keyval].active && attr_keyval[keyval].del) { 201 void *save_attribute_val = attr[idx][keyval].attribute_val; 202 attr[idx][keyval].active = 0; 203 attr[idx][keyval].attribute_val = 0; 204 (*(attr_keyval[keyval].del))(comm,keyval,save_attribute_val,attr_keyval[keyval].extra_state); 205 } 206 return MPI_SUCCESS; 207 } 208 209 int MPI_Comm_get_attr(MPI_Comm comm,int keyval,void *attribute_val,int *flag) 210 { 211 int idx = CommIdx(comm); 212 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 213 if (!keyval) Keyval_setup(); 214 *flag = attr[idx][keyval].active; 215 *(void**)attribute_val = attr[idx][keyval].attribute_val; 216 return MPI_SUCCESS; 217 } 218 219 int MPI_Comm_create(MPI_Comm comm,MPI_Group group,MPI_Comm *newcomm) 220 { 221 int j; 222 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 223 for (j=3; j<=MaxComm; j++) { 224 if (!comm_active[CommIdx(j)]) { 225 comm_active[CommIdx(j)] = 1; 226 *newcomm = j; 227 return MPI_SUCCESS; 228 } 229 } 230 if (MaxComm >= MAX_COMM) return MPI_FAILURE; 231 *newcomm = ++MaxComm; 232 comm_active[CommIdx(*newcomm)] = 1; 233 return MPI_SUCCESS; 234 } 235 236 int MPI_Comm_dup(MPI_Comm comm,MPI_Comm *out) 237 { 238 int j; 239 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 240 for (j=3; j<=MaxComm; j++) { 241 if (!comm_active[CommIdx(j)]) { 242 comm_active[CommIdx(j)] = 1; 243 *out = j; 244 return MPI_SUCCESS; 245 } 246 } 247 if (MaxComm >= MAX_COMM) return MPI_FAILURE; 248 *out = ++MaxComm; 249 comm_active[CommIdx(*out)] = 1; 250 return MPI_SUCCESS; 251 } 252 253 int MPI_Comm_free(MPI_Comm *comm) 254 { 255 int i; 256 int idx = CommIdx(*comm); 257 258 if (*comm < 1 || *comm > MaxComm) return MPI_FAILURE; 259 for (i=0; i<num_attr; i++) { 260 if (attr[idx][i].active && attr_keyval[i].del) (*attr_keyval[i].del)(*comm,i,attr[idx][i].attribute_val,attr_keyval[i].extra_state); 261 attr[idx][i].active = 0; 262 attr[idx][i].attribute_val = 0; 263 } 264 if (*comm >= 3) comm_active[idx] = 0; 265 *comm = 0; 266 return MPI_SUCCESS; 267 } 268 269 int MPI_Comm_size(MPI_Comm comm, int *size) 270 { 271 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 272 *size=1; 273 return MPI_SUCCESS; 274 } 275 276 int MPI_Comm_rank(MPI_Comm comm, int *rank) 277 { 278 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 279 *rank=0; 280 return MPI_SUCCESS; 281 } 282 283 int MPIUni_Abort(MPI_Comm comm,int errorcode) 284 { 285 printf("MPI operation not supported by PETSc's sequential MPI wrappers\n"); 286 return MPI_FAILURE; 287 } 288 289 int MPI_Abort(MPI_Comm comm,int errorcode) 290 { 291 abort(); 292 return MPI_SUCCESS; 293 } 294 295 /* --------------------------------------------------------------------------*/ 296 297 static int MPI_was_initialized = 0; 298 static int MPI_was_finalized = 0; 299 300 int MPI_Init(int *argc, char ***argv) 301 { 302 if (MPI_was_initialized) return MPI_FAILURE; 303 if (MPI_was_finalized) return MPI_FAILURE; /* MPI standard: once MPI_FINALIZE returns, no MPI routine (not even MPI_INIT) may be called, except ... */ 304 MPI_was_initialized = 1; 305 return MPI_SUCCESS; 306 } 307 308 int MPI_Finalize(void) 309 { 310 MPI_Comm comm; 311 if (MPI_was_finalized) return MPI_FAILURE; 312 if (!MPI_was_initialized) return MPI_FAILURE; 313 comm = MPI_COMM_WORLD; 314 MPI_Comm_free(&comm); 315 comm = MPI_COMM_SELF; 316 MPI_Comm_free(&comm); 317 #if defined(PETSC_USE_DEBUG) 318 { 319 int i; 320 for (i=3; i<=MaxComm; i++) { 321 if (comm_active[CommIdx(i)]) printf("MPIUni warning: MPI communicator %d is not freed before MPI_Finalize()\n", i); 322 } 323 } 324 #endif 325 /* reset counters */ 326 MaxComm = 2; 327 num_attr = 1; 328 MPI_was_finalized = 1; 329 return MPI_SUCCESS; 330 } 331 332 int MPI_Initialized(int *flag) 333 { 334 *flag = MPI_was_initialized; 335 return MPI_SUCCESS; 336 } 337 338 int MPI_Finalized(int *flag) 339 { 340 *flag = MPI_was_finalized; 341 return MPI_SUCCESS; 342 } 343 344 /* ------------------- Fortran versions of several routines ------------------ */ 345 346 #if defined(PETSC_HAVE_FORTRAN_CAPS) 347 #define mpiunisetmoduleblock_ MPIUNISETMODULEBLOCK 348 #define mpiunisetfortranbasepointers_ MPIUNISETFORTRANBASEPOINTERS 349 #define petsc_mpi_init_ PETSC_MPI_INIT 350 #define petsc_mpi_finalize_ PETSC_MPI_FINALIZE 351 #define petsc_mpi_comm_size_ PETSC_MPI_COMM_SIZE 352 #define petsc_mpi_comm_rank_ PETSC_MPI_COMM_RANK 353 #define petsc_mpi_abort_ PETSC_MPI_ABORT 354 #define petsc_mpi_reduce_ PETSC_MPI_REDUCE 355 #define petsc_mpi_allreduce_ PETSC_MPI_ALLREDUCE 356 #define petsc_mpi_barrier_ PETSC_MPI_BARRIER 357 #define petsc_mpi_bcast_ PETSC_MPI_BCAST 358 #define petsc_mpi_gather_ PETSC_MPI_GATHER 359 #define petsc_mpi_allgather_ PETSC_MPI_ALLGATHER 360 #define petsc_mpi_comm_split_ PETSC_MPI_COMM_SPLIT 361 #define petsc_mpi_scan_ PETSC_MPI_SCAN 362 #define petsc_mpi_send_ PETSC_MPI_SEND 363 #define petsc_mpi_recv_ PETSC_MPI_RECV 364 #define petsc_mpi_reduce_scatter_ PETSC_MPI_REDUCE_SCATTER 365 #define petsc_mpi_irecv_ PETSC_MPI_IRECV 366 #define petsc_mpi_isend_ PETSC_MPI_ISEND 367 #define petsc_mpi_sendrecv_ PETSC_MPI_SENDRECV 368 #define petsc_mpi_test_ PETSC_MPI_TEST 369 #define petsc_mpi_waitall_ PETSC_MPI_WAITALL 370 #define petsc_mpi_waitany_ PETSC_MPI_WAITANY 371 #define petsc_mpi_allgatherv_ PETSC_MPI_ALLGATHERV 372 #define petsc_mpi_alltoallv_ PETSC_MPI_ALLTOALLV 373 #define petsc_mpi_comm_create_ PETSC_MPI_COMM_CREATE 374 #define petsc_mpi_address_ PETSC_MPI_ADDRESS 375 #define petsc_mpi_pack_ PETSC_MPI_PACK 376 #define petsc_mpi_unpack_ PETSC_MPI_UNPACK 377 #define petsc_mpi_pack_size_ PETSC_MPI_PACK_SIZE 378 #define petsc_mpi_type_struct_ PETSC_MPI_TYPE_STRUCT 379 #define petsc_mpi_type_commit_ PETSC_MPI_TYPE_COMMIT 380 #define petsc_mpi_wtime_ PETSC_MPI_WTIME 381 #define petsc_mpi_cancel_ PETSC_MPI_CANCEL 382 #define petsc_mpi_comm_dup_ PETSC_MPI_COMM_DUP 383 #define petsc_mpi_comm_free_ PETSC_MPI_COMM_FREE 384 #define petsc_mpi_get_count_ PETSC_MPI_GET_COUNT 385 #define petsc_mpi_get_processor_name_ PETSC_MPI_GET_PROCESSOR_NAME 386 #define petsc_mpi_initialized_ PETSC_MPI_INITIALIZED 387 #define petsc_mpi_iprobe_ PETSC_MPI_IPROBE 388 #define petsc_mpi_probe_ PETSC_MPI_PROBE 389 #define petsc_mpi_request_free_ PETSC_MPI_REQUEST_FREE 390 #define petsc_mpi_ssend_ PETSC_MPI_SSEND 391 #define petsc_mpi_wait_ PETSC_MPI_WAIT 392 #define petsc_mpi_comm_group_ PETSC_MPI_COMM_GROUP 393 #define petsc_mpi_exscan_ PETSC_MPI_EXSCAN 394 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 395 #define mpiunisetmoduleblock_ mpiunisetmoduleblock 396 #define mpiunisetfortranbasepointers_ mpiunisetfortranbasepointers 397 #define petsc_mpi_init_ petsc_mpi_init 398 #define petsc_mpi_finalize_ petsc_mpi_finalize 399 #define petsc_mpi_comm_size_ petsc_mpi_comm_size 400 #define petsc_mpi_comm_rank_ petsc_mpi_comm_rank 401 #define petsc_mpi_abort_ petsc_mpi_abort 402 #define petsc_mpi_reduce_ petsc_mpi_reduce 403 #define petsc_mpi_allreduce_ petsc_mpi_allreduce 404 #define petsc_mpi_barrier_ petsc_mpi_barrier 405 #define petsc_mpi_bcast_ petsc_mpi_bcast 406 #define petsc_mpi_gather_ petsc_mpi_gather 407 #define petsc_mpi_allgather_ petsc_mpi_allgather 408 #define petsc_mpi_comm_split_ petsc_mpi_comm_split 409 #define petsc_mpi_scan_ petsc_mpi_scan 410 #define petsc_mpi_send_ petsc_mpi_send 411 #define petsc_mpi_recv_ petsc_mpi_recv 412 #define petsc_mpi_reduce_scatter_ petsc_mpi_reduce_scatter 413 #define petsc_mpi_irecv_ petsc_mpi_irecv 414 #define petsc_mpi_isend_ petsc_mpi_isend 415 #define petsc_mpi_sendrecv_ petsc_mpi_sendrecv 416 #define petsc_mpi_test_ petsc_mpi_test 417 #define petsc_mpi_waitall_ petsc_mpi_waitall 418 #define petsc_mpi_waitany_ petsc_mpi_waitany 419 #define petsc_mpi_allgatherv_ petsc_mpi_allgatherv 420 #define petsc_mpi_alltoallv_ petsc_mpi_alltoallv 421 #define petsc_mpi_comm_create_ petsc_mpi_comm_create 422 #define petsc_mpi_address_ petsc_mpi_address 423 #define petsc_mpi_pack_ petsc_mpi_pack 424 #define petsc_mpi_unpack_ petsc_mpi_unpack 425 #define petsc_mpi_pack_size_ petsc_mpi_pack_size 426 #define petsc_mpi_type_struct_ petsc_mpi_type_struct 427 #define petsc_mpi_type_commit_ petsc_mpi_type_commit 428 #define petsc_mpi_wtime_ petsc_mpi_wtime 429 #define petsc_mpi_cancel_ petsc_mpi_cancel 430 #define petsc_mpi_comm_dup_ petsc_mpi_comm_dup 431 #define petsc_mpi_comm_free_ petsc_mpi_comm_free 432 #define petsc_mpi_get_count_ petsc_mpi_get_count 433 #define petsc_mpi_get_processor_name_ petsc_mpi_get_processor_name 434 #define petsc_mpi_initialized_ petsc_mpi_initialized 435 #define petsc_mpi_iprobe_ petsc_mpi_iprobe 436 #define petsc_mpi_probe_ petsc_mpi_probe 437 #define petsc_mpi_request_free_ petsc_mpi_request_free 438 #define petsc_mpi_ssend_ petsc_mpi_ssend 439 #define petsc_mpi_wait_ petsc_mpi_wait 440 #define petsc_mpi_comm_group_ petsc_mpi_comm_group 441 #define petsc_mpi_exscan_ petsc_mpi_exscan 442 #endif 443 444 #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE) 445 #define petsc_mpi_init_ petsc_mpi_init__ 446 #define petsc_mpi_finalize_ petsc_mpi_finalize__ 447 #define petsc_mpi_comm_size_ petsc_mpi_comm_size__ 448 #define petsc_mpi_comm_rank_ petsc_mpi_comm_rank__ 449 #define petsc_mpi_abort_ petsc_mpi_abort__ 450 #define petsc_mpi_reduce_ petsc_mpi_reduce__ 451 #define petsc_mpi_allreduce_ petsc_mpi_allreduce__ 452 #define petsc_mpi_barrier_ petsc_mpi_barrier__ 453 #define petsc_mpi_bcast_ petsc_mpi_bcast__ 454 #define petsc_mpi_gather_ petsc_mpi_gather__ 455 #define petsc_mpi_allgather_ petsc_mpi_allgather__ 456 #define petsc_mpi_comm_split_ petsc_mpi_comm_split__ 457 #define petsc_mpi_scan_ petsc_mpi_scan__ 458 #define petsc_mpi_send_ petsc_mpi_send__ 459 #define petsc_mpi_recv_ petsc_mpi_recv__ 460 #define petsc_mpi_reduce_scatter_ petsc_mpi_reduce_scatter__ 461 #define petsc_mpi_irecv_ petsc_mpi_irecv__ 462 #define petsc_mpi_isend_ petsc_mpi_isend__ 463 #define petsc_mpi_sendrecv_ petsc_mpi_sendrecv__ 464 #define petsc_mpi_test_ petsc_mpi_test__ 465 #define petsc_mpi_waitall_ petsc_mpi_waitall__ 466 #define petsc_mpi_waitany_ petsc_mpi_waitany__ 467 #define petsc_mpi_allgatherv_ petsc_mpi_allgatherv__ 468 #define petsc_mpi_alltoallv_ petsc_mpi_alltoallv__ 469 #define petsc_mpi_comm_create_ petsc_mpi_comm_create__ 470 #define petsc_mpi_address_ petsc_mpi_address__ 471 #define petsc_mpi_pack_ petsc_mpi_pack__ 472 #define petsc_mpi_unpack_ petsc_mpi_unpack__ 473 #define petsc_mpi_pack_size_ petsc_mpi_pack_size__ 474 #define petsc_mpi_type_struct_ petsc_mpi_type_struct__ 475 #define petsc_mpi_type_commit_ petsc_mpi_type_commit__ 476 #define petsc_mpi_wtime_ petsc_mpi_wtime__ 477 #define petsc_mpi_cancel_ petsc_mpi_cancel__ 478 #define petsc_mpi_comm_dup_ petsc_mpi_comm_dup__ 479 #define petsc_mpi_comm_free_ petsc_mpi_comm_free__ 480 #define petsc_mpi_get_count_ petsc_mpi_get_count__ 481 #define petsc_mpi_get_processor_name_ petsc_mpi_get_processor_name__ 482 #define petsc_mpi_initialized_ petsc_mpi_initialized__ 483 #define petsc_mpi_iprobe_ petsc_mpi_iprobe__ 484 #define petsc_mpi_probe_ petsc_mpi_probe__ 485 #define petsc_mpi_request_free_ petsc_mpi_request_free__ 486 #define petsc_mpi_ssend_ petsc_mpi_ssend__ 487 #define petsc_mpi_wait_ petsc_mpi_wait__ 488 #define petsc_mpi_comm_group_ petsc_mpi_comm_group__ 489 #define petsc_mpi_exscan_ petsc_mpi_exscan__ 490 #endif 491 492 /* Do not build fortran interface if MPI namespace colision is to be avoided */ 493 #if defined(PETSC_HAVE_FORTRAN) 494 495 PETSC_EXTERN void mpiunisetmoduleblock_(void); 496 497 PETSC_EXTERN void mpiunisetfortranbasepointers_(void *f_mpi_in_place) 498 { 499 MPIUNIF_mpi_in_place = f_mpi_in_place; 500 } 501 502 PETSC_EXTERN void petsc_mpi_init_(int *ierr) 503 { 504 mpiunisetmoduleblock_(); 505 *ierr = MPI_Init((int*)0, (char***)0); 506 } 507 508 PETSC_EXTERN void petsc_mpi_finalize_(int *ierr) 509 { 510 *ierr = MPI_Finalize(); 511 } 512 513 PETSC_EXTERN void petsc_mpi_comm_size_(MPI_Comm *comm,int *size,int *ierr) 514 { 515 *size = 1; 516 *ierr = 0; 517 } 518 519 PETSC_EXTERN void petsc_mpi_comm_rank_(MPI_Comm *comm,int *rank,int *ierr) 520 { 521 *rank = 0; 522 *ierr = MPI_SUCCESS; 523 } 524 525 PETSC_EXTERN void petsc_mpi_comm_split_(MPI_Comm *comm,int *color,int *key, MPI_Comm *newcomm, int *ierr) 526 { 527 *newcomm = *comm; 528 *ierr = MPI_SUCCESS; 529 } 530 531 PETSC_EXTERN void petsc_mpi_abort_(MPI_Comm *comm,int *errorcode,int *ierr) 532 { 533 abort(); 534 *ierr = MPI_SUCCESS; 535 } 536 537 PETSC_EXTERN void petsc_mpi_reduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *root,int *comm,int *ierr) 538 { 539 *ierr = MPI_Reduce(sendbuf,recvbuf,*count,*datatype,*op,*root,*comm); 540 } 541 542 PETSC_EXTERN void petsc_mpi_allreduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 543 { 544 *ierr = MPI_Allreduce(sendbuf,recvbuf,*count,*datatype,*op,*comm); 545 } 546 547 PETSC_EXTERN void petsc_mpi_barrier_(MPI_Comm *comm,int *ierr) 548 { 549 *ierr = MPI_SUCCESS; 550 } 551 552 PETSC_EXTERN void petsc_mpi_bcast_(void *buf,int *count,int *datatype,int *root,int *comm,int *ierr) 553 { 554 *ierr = MPI_SUCCESS; 555 } 556 557 PETSC_EXTERN void petsc_mpi_gather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype, int *root,int *comm,int *ierr) 558 { 559 *ierr = MPI_Gather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*root,*comm); 560 } 561 562 PETSC_EXTERN void petsc_mpi_allgather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype,int *comm,int *ierr) 563 { 564 *ierr = MPI_Allgather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*comm); 565 } 566 567 PETSC_EXTERN void petsc_mpi_scan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 568 { 569 *ierr = MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPI_sizeof(*datatype)); 570 } 571 572 PETSC_EXTERN void petsc_mpi_send_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr) 573 { 574 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 575 } 576 577 PETSC_EXTERN void petsc_mpi_recv_(void *buf,int *count,int *datatype,int *source,int *tag,int *comm,int status,int *ierr) 578 { 579 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 580 } 581 582 PETSC_EXTERN void petsc_mpi_reduce_scatter_(void *sendbuf,void *recvbuf,int *recvcounts,int *datatype,int *op,int *comm,int *ierr) 583 { 584 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 585 } 586 587 PETSC_EXTERN void petsc_mpi_irecv_(void *buf,int *count, int *datatype, int *source, int *tag, int *comm, int *request, int *ierr) 588 { 589 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 590 } 591 592 PETSC_EXTERN void petsc_mpi_isend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *request, int *ierr) 593 { 594 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 595 } 596 597 PETSC_EXTERN void petsc_mpi_sendrecv_(void *sendbuf,int *sendcount,int *sendtype,int *dest,int *sendtag,void *recvbuf,int *recvcount,int *recvtype,int *source,int *recvtag,int *comm,int *status,int *ierr) 598 { 599 *ierr = MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPI_sizeof(*sendtype)); 600 } 601 602 PETSC_EXTERN void petsc_mpi_test_(int *request,int *flag,int *status,int *ierr) 603 { 604 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 605 } 606 607 PETSC_EXTERN void petsc_mpi_waitall_(int *count,int *array_of_requests,int *array_of_statuses,int *ierr) 608 { 609 *ierr = MPI_SUCCESS; 610 } 611 612 PETSC_EXTERN void petsc_mpi_waitany_(int *count,int *array_of_requests,int * index, int *status,int *ierr) 613 { 614 *ierr = MPI_SUCCESS; 615 } 616 617 PETSC_EXTERN void petsc_mpi_allgatherv_(void *sendbuf,int *sendcount,int *sendtype,void *recvbuf,int *recvcounts,int *displs,int *recvtype,int *comm,int *ierr) 618 { 619 *ierr = MPI_Allgatherv(sendbuf,*sendcount,*sendtype,recvbuf,recvcounts,displs,*recvtype,*comm); 620 } 621 622 PETSC_EXTERN void petsc_mpi_alltoallv_(void *sendbuf,int *sendcounts,int *sdispls,int *sendtype,void *recvbuf,int *recvcounts,int *rdispls,int *recvtype,int *comm,int *ierr) 623 { 624 *ierr = MPI_Alltoallv(sendbuf,sendcounts,sdispls,*sendtype,recvbuf,recvcounts,rdispls,*recvtype,*comm); 625 } 626 627 PETSC_EXTERN void petsc_mpi_comm_create_(int *comm,int *group,int *newcomm,int *ierr) 628 { 629 *newcomm = *comm; 630 *ierr = MPI_SUCCESS; 631 } 632 633 PETSC_EXTERN void petsc_mpi_address_(void *location,MPI_Aint *address,int *ierr) 634 { 635 *address = (MPI_Aint) ((char *)location); 636 *ierr = MPI_SUCCESS; 637 } 638 639 PETSC_EXTERN void petsc_mpi_pack_(void *inbuf,int *incount,int *datatype,void *outbuf,int *outsize,int *position,int *comm,int *ierr) 640 { 641 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 642 } 643 644 PETSC_EXTERN void petsc_mpi_unpack_(void *inbuf,int *insize,int *position,void *outbuf,int *outcount,int *datatype,int *comm,int *ierr) 645 { 646 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 647 } 648 649 PETSC_EXTERN void petsc_mpi_pack_size_(int *incount,int *datatype,int *comm,int *size,int *ierr) 650 { 651 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 652 } 653 654 PETSC_EXTERN void petsc_mpi_type_struct_(int *count,int *array_of_blocklengths,int * array_of_displaments,int *array_of_types,int *newtype,int *ierr) 655 { 656 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 657 } 658 659 PETSC_EXTERN void petsc_mpi_type_commit_(int *datatype,int *ierr) 660 { 661 *ierr = MPI_SUCCESS; 662 } 663 664 double petsc_mpi_wtime_(void) 665 { 666 return 0.0; 667 } 668 669 PETSC_EXTERN void petsc_mpi_cancel_(int *request,int *ierr) 670 { 671 *ierr = MPI_SUCCESS; 672 } 673 674 PETSC_EXTERN void petsc_mpi_comm_dup_(int *comm,int *out,int *ierr) 675 { 676 *out = *comm; 677 *ierr = MPI_SUCCESS; 678 } 679 680 PETSC_EXTERN void petsc_mpi_comm_free_(int *comm,int *ierr) 681 { 682 *ierr = MPI_SUCCESS; 683 } 684 685 PETSC_EXTERN void petsc_mpi_get_count_(int *status,int *datatype,int *count,int *ierr) 686 { 687 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 688 } 689 690 PETSC_EXTERN void petsc_mpi_get_processor_name_(char *name,int *result_len,int *ierr,PETSC_FORTRAN_CHARLEN_T len) 691 { 692 MPIUNI_Memcpy(name,"localhost",9*sizeof(char)); 693 *result_len = 9; 694 *ierr = MPI_SUCCESS; 695 } 696 697 PETSC_EXTERN void petsc_mpi_initialized_(int *flag,int *ierr) 698 { 699 *flag = MPI_was_initialized; 700 *ierr = MPI_SUCCESS; 701 } 702 703 PETSC_EXTERN void petsc_mpi_iprobe_(int *source,int *tag,int *comm,int *glag,int *status,int *ierr) 704 { 705 *ierr = MPI_SUCCESS; 706 } 707 708 PETSC_EXTERN void petsc_mpi_probe_(int *source,int *tag,int *comm,int *flag,int *status,int *ierr) 709 { 710 *ierr = MPI_SUCCESS; 711 } 712 713 PETSC_EXTERN void petsc_mpi_request_free_(int *request,int *ierr) 714 { 715 *ierr = MPI_SUCCESS; 716 } 717 718 PETSC_EXTERN void petsc_mpi_ssend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr) 719 { 720 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 721 } 722 723 PETSC_EXTERN void petsc_mpi_wait_(int *request,int *status,int *ierr) 724 { 725 *ierr = MPI_SUCCESS; 726 } 727 728 PETSC_EXTERN void petsc_mpi_comm_group_(int *comm,int *group,int *ierr) 729 { 730 *ierr = MPI_SUCCESS; 731 } 732 733 PETSC_EXTERN void petsc_mpi_exscan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 734 { 735 *ierr = MPI_SUCCESS; 736 } 737 738 #endif /* PETSC_HAVE_FORTRAN */ 739 740 #if defined(__cplusplus) 741 } 742 #endif 743