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 break; 131 case MPI_COMBINER_DUP: 132 if (max_datatypes < 1) return MPIUni_Abort(MPI_COMM_SELF,1); 133 array_of_datatypes[0] = datatype & 0x0fffffff; 134 break; 135 case MPI_COMBINER_CONTIGUOUS: 136 if (max_integers < 1 || max_datatypes < 1) return MPIUni_Abort(MPI_COMM_SELF,1); 137 array_of_integers[0] = (datatype >> 8) & 0xfff; /* count */ 138 array_of_datatypes[0] = (datatype & 0x0ff000ff) | 0x100; /* basic named type (count=1) from which the contiguous type is derived */ 139 break; 140 default: 141 return MPIUni_Abort(MPI_COMM_SELF,1); 142 } 143 return MPI_SUCCESS; 144 } 145 146 /* 147 Used to set the built-in MPI_TAG_UB attribute 148 */ 149 static int Keyval_setup(void) 150 { 151 attr[CommIdx(MPI_COMM_WORLD)][0].active = 1; 152 attr[CommIdx(MPI_COMM_WORLD)][0].attribute_val = &mpi_tag_ub; 153 attr[CommIdx(MPI_COMM_SELF)][0].active = 1; 154 attr[CommIdx(MPI_COMM_SELF)][0].attribute_val = &mpi_tag_ub; 155 attr_keyval[0].active = 1; 156 return MPI_SUCCESS; 157 } 158 159 int MPI_Comm_create_keyval(MPI_Copy_function *copy_fn,MPI_Delete_function *delete_fn,int *keyval,void *extra_state) 160 { 161 int i,keyid; 162 for (i=1; i<num_attr; i++) { /* the first attribute is always in use */ 163 if (!attr_keyval[i].active) { 164 keyid = i; 165 goto found; 166 } 167 } 168 if (num_attr >= MAX_ATTR) return MPIUni_Abort(MPI_COMM_WORLD,1); 169 keyid = num_attr++; 170 171 found: 172 attr_keyval[keyid].extra_state = extra_state; 173 attr_keyval[keyid].del = delete_fn; 174 attr_keyval[keyid].active = 1; 175 *keyval = keyid; 176 return MPI_SUCCESS; 177 } 178 179 int MPI_Comm_free_keyval(int *keyval) 180 { 181 attr_keyval[*keyval].extra_state = 0; 182 attr_keyval[*keyval].del = 0; 183 attr_keyval[*keyval].active = 0; 184 *keyval = 0; 185 return MPI_SUCCESS; 186 } 187 188 int MPI_Comm_set_attr(MPI_Comm comm,int keyval,void *attribute_val) 189 { 190 int idx = CommIdx(comm); 191 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 192 attr[idx][keyval].active = 1; 193 attr[idx][keyval].attribute_val = attribute_val; 194 return MPI_SUCCESS; 195 } 196 197 int MPI_Comm_delete_attr(MPI_Comm comm,int keyval) 198 { 199 int idx = CommIdx(comm); 200 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 201 if (attr[idx][keyval].active && attr_keyval[keyval].del) { 202 void *save_attribute_val = attr[idx][keyval].attribute_val; 203 attr[idx][keyval].active = 0; 204 attr[idx][keyval].attribute_val = 0; 205 (*(attr_keyval[keyval].del))(comm,keyval,save_attribute_val,attr_keyval[keyval].extra_state); 206 } 207 return MPI_SUCCESS; 208 } 209 210 int MPI_Comm_get_attr(MPI_Comm comm,int keyval,void *attribute_val,int *flag) 211 { 212 int idx = CommIdx(comm); 213 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 214 if (!keyval) Keyval_setup(); 215 *flag = attr[idx][keyval].active; 216 *(void**)attribute_val = attr[idx][keyval].attribute_val; 217 return MPI_SUCCESS; 218 } 219 220 int MPI_Comm_create(MPI_Comm comm,MPI_Group group,MPI_Comm *newcomm) 221 { 222 int j; 223 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 224 for (j=3; j<=MaxComm; j++) { 225 if (!comm_active[CommIdx(j)]) { 226 comm_active[CommIdx(j)] = 1; 227 *newcomm = j; 228 return MPI_SUCCESS; 229 } 230 } 231 if (MaxComm >= MAX_COMM) return MPI_FAILURE; 232 *newcomm = ++MaxComm; 233 comm_active[CommIdx(*newcomm)] = 1; 234 return MPI_SUCCESS; 235 } 236 237 int MPI_Comm_dup(MPI_Comm comm,MPI_Comm *out) 238 { 239 int j; 240 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 241 for (j=3; j<=MaxComm; j++) { 242 if (!comm_active[CommIdx(j)]) { 243 comm_active[CommIdx(j)] = 1; 244 *out = j; 245 return MPI_SUCCESS; 246 } 247 } 248 if (MaxComm >= MAX_COMM) return MPI_FAILURE; 249 *out = ++MaxComm; 250 comm_active[CommIdx(*out)] = 1; 251 return MPI_SUCCESS; 252 } 253 254 int MPI_Comm_free(MPI_Comm *comm) 255 { 256 int i; 257 int idx = CommIdx(*comm); 258 259 if (*comm < 1 || *comm > MaxComm) return MPI_FAILURE; 260 for (i=0; i<num_attr; i++) { 261 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); 262 attr[idx][i].active = 0; 263 attr[idx][i].attribute_val = 0; 264 } 265 if (*comm >= 3) comm_active[idx] = 0; 266 *comm = 0; 267 return MPI_SUCCESS; 268 } 269 270 int MPI_Comm_size(MPI_Comm comm, int *size) 271 { 272 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 273 *size=1; 274 return MPI_SUCCESS; 275 } 276 277 int MPI_Comm_rank(MPI_Comm comm, int *rank) 278 { 279 if (comm < 1 || comm > MaxComm) return MPI_FAILURE; 280 *rank=0; 281 return MPI_SUCCESS; 282 } 283 284 int MPIUni_Abort(MPI_Comm comm,int errorcode) 285 { 286 printf("MPI operation not supported by PETSc's sequential MPI wrappers\n"); 287 return MPI_FAILURE; 288 } 289 290 int MPI_Abort(MPI_Comm comm,int errorcode) 291 { 292 abort(); 293 return MPI_SUCCESS; 294 } 295 296 /* --------------------------------------------------------------------------*/ 297 298 static int MPI_was_initialized = 0; 299 static int MPI_was_finalized = 0; 300 301 int MPI_Init(int *argc, char ***argv) 302 { 303 if (MPI_was_initialized) return MPI_FAILURE; 304 if (MPI_was_finalized) return MPI_FAILURE; /* MPI standard: once MPI_FINALIZE returns, no MPI routine (not even MPI_INIT) may be called, except ... */ 305 MPI_was_initialized = 1; 306 return MPI_SUCCESS; 307 } 308 309 int MPI_Finalize(void) 310 { 311 MPI_Comm comm; 312 if (MPI_was_finalized) return MPI_FAILURE; 313 if (!MPI_was_initialized) return MPI_FAILURE; 314 comm = MPI_COMM_WORLD; 315 MPI_Comm_free(&comm); 316 comm = MPI_COMM_SELF; 317 MPI_Comm_free(&comm); 318 #if defined(PETSC_USE_DEBUG) 319 { 320 int i; 321 for (i=3; i<=MaxComm; i++) { 322 if (comm_active[CommIdx(i)]) printf("MPIUni warning: MPI communicator %d is not freed before MPI_Finalize()\n", i); 323 } 324 } 325 #endif 326 /* reset counters */ 327 MaxComm = 2; 328 num_attr = 1; 329 MPI_was_finalized = 1; 330 return MPI_SUCCESS; 331 } 332 333 int MPI_Initialized(int *flag) 334 { 335 *flag = MPI_was_initialized; 336 return MPI_SUCCESS; 337 } 338 339 int MPI_Finalized(int *flag) 340 { 341 *flag = MPI_was_finalized; 342 return MPI_SUCCESS; 343 } 344 345 /* ------------------- Fortran versions of several routines ------------------ */ 346 347 #if defined(PETSC_HAVE_FORTRAN_CAPS) 348 #define mpiunisetmoduleblock_ MPIUNISETMODULEBLOCK 349 #define mpiunisetfortranbasepointers_ MPIUNISETFORTRANBASEPOINTERS 350 #define petsc_mpi_init_ PETSC_MPI_INIT 351 #define petsc_mpi_finalize_ PETSC_MPI_FINALIZE 352 #define petsc_mpi_comm_size_ PETSC_MPI_COMM_SIZE 353 #define petsc_mpi_comm_rank_ PETSC_MPI_COMM_RANK 354 #define petsc_mpi_abort_ PETSC_MPI_ABORT 355 #define petsc_mpi_reduce_ PETSC_MPI_REDUCE 356 #define petsc_mpi_allreduce_ PETSC_MPI_ALLREDUCE 357 #define petsc_mpi_barrier_ PETSC_MPI_BARRIER 358 #define petsc_mpi_bcast_ PETSC_MPI_BCAST 359 #define petsc_mpi_gather_ PETSC_MPI_GATHER 360 #define petsc_mpi_allgather_ PETSC_MPI_ALLGATHER 361 #define petsc_mpi_comm_split_ PETSC_MPI_COMM_SPLIT 362 #define petsc_mpi_scan_ PETSC_MPI_SCAN 363 #define petsc_mpi_send_ PETSC_MPI_SEND 364 #define petsc_mpi_recv_ PETSC_MPI_RECV 365 #define petsc_mpi_reduce_scatter_ PETSC_MPI_REDUCE_SCATTER 366 #define petsc_mpi_irecv_ PETSC_MPI_IRECV 367 #define petsc_mpi_isend_ PETSC_MPI_ISEND 368 #define petsc_mpi_sendrecv_ PETSC_MPI_SENDRECV 369 #define petsc_mpi_test_ PETSC_MPI_TEST 370 #define petsc_mpi_waitall_ PETSC_MPI_WAITALL 371 #define petsc_mpi_waitany_ PETSC_MPI_WAITANY 372 #define petsc_mpi_allgatherv_ PETSC_MPI_ALLGATHERV 373 #define petsc_mpi_alltoallv_ PETSC_MPI_ALLTOALLV 374 #define petsc_mpi_comm_create_ PETSC_MPI_COMM_CREATE 375 #define petsc_mpi_address_ PETSC_MPI_ADDRESS 376 #define petsc_mpi_pack_ PETSC_MPI_PACK 377 #define petsc_mpi_unpack_ PETSC_MPI_UNPACK 378 #define petsc_mpi_pack_size_ PETSC_MPI_PACK_SIZE 379 #define petsc_mpi_type_struct_ PETSC_MPI_TYPE_STRUCT 380 #define petsc_mpi_type_commit_ PETSC_MPI_TYPE_COMMIT 381 #define petsc_mpi_wtime_ PETSC_MPI_WTIME 382 #define petsc_mpi_cancel_ PETSC_MPI_CANCEL 383 #define petsc_mpi_comm_dup_ PETSC_MPI_COMM_DUP 384 #define petsc_mpi_comm_free_ PETSC_MPI_COMM_FREE 385 #define petsc_mpi_get_count_ PETSC_MPI_GET_COUNT 386 #define petsc_mpi_get_processor_name_ PETSC_MPI_GET_PROCESSOR_NAME 387 #define petsc_mpi_initialized_ PETSC_MPI_INITIALIZED 388 #define petsc_mpi_iprobe_ PETSC_MPI_IPROBE 389 #define petsc_mpi_probe_ PETSC_MPI_PROBE 390 #define petsc_mpi_request_free_ PETSC_MPI_REQUEST_FREE 391 #define petsc_mpi_ssend_ PETSC_MPI_SSEND 392 #define petsc_mpi_wait_ PETSC_MPI_WAIT 393 #define petsc_mpi_comm_group_ PETSC_MPI_COMM_GROUP 394 #define petsc_mpi_exscan_ PETSC_MPI_EXSCAN 395 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 396 #define mpiunisetmoduleblock_ mpiunisetmoduleblock 397 #define mpiunisetfortranbasepointers_ mpiunisetfortranbasepointers 398 #define petsc_mpi_init_ petsc_mpi_init 399 #define petsc_mpi_finalize_ petsc_mpi_finalize 400 #define petsc_mpi_comm_size_ petsc_mpi_comm_size 401 #define petsc_mpi_comm_rank_ petsc_mpi_comm_rank 402 #define petsc_mpi_abort_ petsc_mpi_abort 403 #define petsc_mpi_reduce_ petsc_mpi_reduce 404 #define petsc_mpi_allreduce_ petsc_mpi_allreduce 405 #define petsc_mpi_barrier_ petsc_mpi_barrier 406 #define petsc_mpi_bcast_ petsc_mpi_bcast 407 #define petsc_mpi_gather_ petsc_mpi_gather 408 #define petsc_mpi_allgather_ petsc_mpi_allgather 409 #define petsc_mpi_comm_split_ petsc_mpi_comm_split 410 #define petsc_mpi_scan_ petsc_mpi_scan 411 #define petsc_mpi_send_ petsc_mpi_send 412 #define petsc_mpi_recv_ petsc_mpi_recv 413 #define petsc_mpi_reduce_scatter_ petsc_mpi_reduce_scatter 414 #define petsc_mpi_irecv_ petsc_mpi_irecv 415 #define petsc_mpi_isend_ petsc_mpi_isend 416 #define petsc_mpi_sendrecv_ petsc_mpi_sendrecv 417 #define petsc_mpi_test_ petsc_mpi_test 418 #define petsc_mpi_waitall_ petsc_mpi_waitall 419 #define petsc_mpi_waitany_ petsc_mpi_waitany 420 #define petsc_mpi_allgatherv_ petsc_mpi_allgatherv 421 #define petsc_mpi_alltoallv_ petsc_mpi_alltoallv 422 #define petsc_mpi_comm_create_ petsc_mpi_comm_create 423 #define petsc_mpi_address_ petsc_mpi_address 424 #define petsc_mpi_pack_ petsc_mpi_pack 425 #define petsc_mpi_unpack_ petsc_mpi_unpack 426 #define petsc_mpi_pack_size_ petsc_mpi_pack_size 427 #define petsc_mpi_type_struct_ petsc_mpi_type_struct 428 #define petsc_mpi_type_commit_ petsc_mpi_type_commit 429 #define petsc_mpi_wtime_ petsc_mpi_wtime 430 #define petsc_mpi_cancel_ petsc_mpi_cancel 431 #define petsc_mpi_comm_dup_ petsc_mpi_comm_dup 432 #define petsc_mpi_comm_free_ petsc_mpi_comm_free 433 #define petsc_mpi_get_count_ petsc_mpi_get_count 434 #define petsc_mpi_get_processor_name_ petsc_mpi_get_processor_name 435 #define petsc_mpi_initialized_ petsc_mpi_initialized 436 #define petsc_mpi_iprobe_ petsc_mpi_iprobe 437 #define petsc_mpi_probe_ petsc_mpi_probe 438 #define petsc_mpi_request_free_ petsc_mpi_request_free 439 #define petsc_mpi_ssend_ petsc_mpi_ssend 440 #define petsc_mpi_wait_ petsc_mpi_wait 441 #define petsc_mpi_comm_group_ petsc_mpi_comm_group 442 #define petsc_mpi_exscan_ petsc_mpi_exscan 443 #endif 444 445 #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE) 446 #define petsc_mpi_init_ petsc_mpi_init__ 447 #define petsc_mpi_finalize_ petsc_mpi_finalize__ 448 #define petsc_mpi_comm_size_ petsc_mpi_comm_size__ 449 #define petsc_mpi_comm_rank_ petsc_mpi_comm_rank__ 450 #define petsc_mpi_abort_ petsc_mpi_abort__ 451 #define petsc_mpi_reduce_ petsc_mpi_reduce__ 452 #define petsc_mpi_allreduce_ petsc_mpi_allreduce__ 453 #define petsc_mpi_barrier_ petsc_mpi_barrier__ 454 #define petsc_mpi_bcast_ petsc_mpi_bcast__ 455 #define petsc_mpi_gather_ petsc_mpi_gather__ 456 #define petsc_mpi_allgather_ petsc_mpi_allgather__ 457 #define petsc_mpi_comm_split_ petsc_mpi_comm_split__ 458 #define petsc_mpi_scan_ petsc_mpi_scan__ 459 #define petsc_mpi_send_ petsc_mpi_send__ 460 #define petsc_mpi_recv_ petsc_mpi_recv__ 461 #define petsc_mpi_reduce_scatter_ petsc_mpi_reduce_scatter__ 462 #define petsc_mpi_irecv_ petsc_mpi_irecv__ 463 #define petsc_mpi_isend_ petsc_mpi_isend__ 464 #define petsc_mpi_sendrecv_ petsc_mpi_sendrecv__ 465 #define petsc_mpi_test_ petsc_mpi_test__ 466 #define petsc_mpi_waitall_ petsc_mpi_waitall__ 467 #define petsc_mpi_waitany_ petsc_mpi_waitany__ 468 #define petsc_mpi_allgatherv_ petsc_mpi_allgatherv__ 469 #define petsc_mpi_alltoallv_ petsc_mpi_alltoallv__ 470 #define petsc_mpi_comm_create_ petsc_mpi_comm_create__ 471 #define petsc_mpi_address_ petsc_mpi_address__ 472 #define petsc_mpi_pack_ petsc_mpi_pack__ 473 #define petsc_mpi_unpack_ petsc_mpi_unpack__ 474 #define petsc_mpi_pack_size_ petsc_mpi_pack_size__ 475 #define petsc_mpi_type_struct_ petsc_mpi_type_struct__ 476 #define petsc_mpi_type_commit_ petsc_mpi_type_commit__ 477 #define petsc_mpi_wtime_ petsc_mpi_wtime__ 478 #define petsc_mpi_cancel_ petsc_mpi_cancel__ 479 #define petsc_mpi_comm_dup_ petsc_mpi_comm_dup__ 480 #define petsc_mpi_comm_free_ petsc_mpi_comm_free__ 481 #define petsc_mpi_get_count_ petsc_mpi_get_count__ 482 #define petsc_mpi_get_processor_name_ petsc_mpi_get_processor_name__ 483 #define petsc_mpi_initialized_ petsc_mpi_initialized__ 484 #define petsc_mpi_iprobe_ petsc_mpi_iprobe__ 485 #define petsc_mpi_probe_ petsc_mpi_probe__ 486 #define petsc_mpi_request_free_ petsc_mpi_request_free__ 487 #define petsc_mpi_ssend_ petsc_mpi_ssend__ 488 #define petsc_mpi_wait_ petsc_mpi_wait__ 489 #define petsc_mpi_comm_group_ petsc_mpi_comm_group__ 490 #define petsc_mpi_exscan_ petsc_mpi_exscan__ 491 #endif 492 493 /* Do not build fortran interface if MPI namespace colision is to be avoided */ 494 #if defined(PETSC_HAVE_FORTRAN) 495 496 PETSC_EXTERN void mpiunisetmoduleblock_(void); 497 498 PETSC_EXTERN void mpiunisetfortranbasepointers_(void *f_mpi_in_place) 499 { 500 MPIUNIF_mpi_in_place = f_mpi_in_place; 501 } 502 503 PETSC_EXTERN void petsc_mpi_init_(int *ierr) 504 { 505 mpiunisetmoduleblock_(); 506 *ierr = MPI_Init((int*)0, (char***)0); 507 } 508 509 PETSC_EXTERN void petsc_mpi_finalize_(int *ierr) 510 { 511 *ierr = MPI_Finalize(); 512 } 513 514 PETSC_EXTERN void petsc_mpi_comm_size_(MPI_Comm *comm,int *size,int *ierr) 515 { 516 *size = 1; 517 *ierr = 0; 518 } 519 520 PETSC_EXTERN void petsc_mpi_comm_rank_(MPI_Comm *comm,int *rank,int *ierr) 521 { 522 *rank = 0; 523 *ierr = MPI_SUCCESS; 524 } 525 526 PETSC_EXTERN void petsc_mpi_comm_split_(MPI_Comm *comm,int *color,int *key, MPI_Comm *newcomm, int *ierr) 527 { 528 *newcomm = *comm; 529 *ierr = MPI_SUCCESS; 530 } 531 532 PETSC_EXTERN void petsc_mpi_abort_(MPI_Comm *comm,int *errorcode,int *ierr) 533 { 534 abort(); 535 *ierr = MPI_SUCCESS; 536 } 537 538 PETSC_EXTERN void petsc_mpi_reduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *root,int *comm,int *ierr) 539 { 540 *ierr = MPI_Reduce(sendbuf,recvbuf,*count,*datatype,*op,*root,*comm); 541 } 542 543 PETSC_EXTERN void petsc_mpi_allreduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 544 { 545 *ierr = MPI_Allreduce(sendbuf,recvbuf,*count,*datatype,*op,*comm); 546 } 547 548 PETSC_EXTERN void petsc_mpi_barrier_(MPI_Comm *comm,int *ierr) 549 { 550 *ierr = MPI_SUCCESS; 551 } 552 553 PETSC_EXTERN void petsc_mpi_bcast_(void *buf,int *count,int *datatype,int *root,int *comm,int *ierr) 554 { 555 *ierr = MPI_SUCCESS; 556 } 557 558 PETSC_EXTERN void petsc_mpi_gather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype, int *root,int *comm,int *ierr) 559 { 560 *ierr = MPI_Gather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*root,*comm); 561 } 562 563 PETSC_EXTERN void petsc_mpi_allgather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype,int *comm,int *ierr) 564 { 565 *ierr = MPI_Allgather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*comm); 566 } 567 568 PETSC_EXTERN void petsc_mpi_scan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 569 { 570 *ierr = MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPI_sizeof(*datatype)); 571 } 572 573 PETSC_EXTERN void petsc_mpi_send_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr) 574 { 575 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 576 } 577 578 PETSC_EXTERN void petsc_mpi_recv_(void *buf,int *count,int *datatype,int *source,int *tag,int *comm,int status,int *ierr) 579 { 580 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 581 } 582 583 PETSC_EXTERN void petsc_mpi_reduce_scatter_(void *sendbuf,void *recvbuf,int *recvcounts,int *datatype,int *op,int *comm,int *ierr) 584 { 585 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 586 } 587 588 PETSC_EXTERN void petsc_mpi_irecv_(void *buf,int *count, int *datatype, int *source, int *tag, int *comm, int *request, int *ierr) 589 { 590 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 591 } 592 593 PETSC_EXTERN void petsc_mpi_isend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *request, int *ierr) 594 { 595 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 596 } 597 598 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) 599 { 600 *ierr = MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPI_sizeof(*sendtype)); 601 } 602 603 PETSC_EXTERN void petsc_mpi_test_(int *request,int *flag,int *status,int *ierr) 604 { 605 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 606 } 607 608 PETSC_EXTERN void petsc_mpi_waitall_(int *count,int *array_of_requests,int *array_of_statuses,int *ierr) 609 { 610 *ierr = MPI_SUCCESS; 611 } 612 613 PETSC_EXTERN void petsc_mpi_waitany_(int *count,int *array_of_requests,int * index, int *status,int *ierr) 614 { 615 *ierr = MPI_SUCCESS; 616 } 617 618 PETSC_EXTERN void petsc_mpi_allgatherv_(void *sendbuf,int *sendcount,int *sendtype,void *recvbuf,int *recvcounts,int *displs,int *recvtype,int *comm,int *ierr) 619 { 620 *ierr = MPI_Allgatherv(sendbuf,*sendcount,*sendtype,recvbuf,recvcounts,displs,*recvtype,*comm); 621 } 622 623 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) 624 { 625 *ierr = MPI_Alltoallv(sendbuf,sendcounts,sdispls,*sendtype,recvbuf,recvcounts,rdispls,*recvtype,*comm); 626 } 627 628 PETSC_EXTERN void petsc_mpi_comm_create_(int *comm,int *group,int *newcomm,int *ierr) 629 { 630 *newcomm = *comm; 631 *ierr = MPI_SUCCESS; 632 } 633 634 PETSC_EXTERN void petsc_mpi_address_(void *location,MPI_Aint *address,int *ierr) 635 { 636 *address = (MPI_Aint) ((char *)location); 637 *ierr = MPI_SUCCESS; 638 } 639 640 PETSC_EXTERN void petsc_mpi_pack_(void *inbuf,int *incount,int *datatype,void *outbuf,int *outsize,int *position,int *comm,int *ierr) 641 { 642 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 643 } 644 645 PETSC_EXTERN void petsc_mpi_unpack_(void *inbuf,int *insize,int *position,void *outbuf,int *outcount,int *datatype,int *comm,int *ierr) 646 { 647 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 648 } 649 650 PETSC_EXTERN void petsc_mpi_pack_size_(int *incount,int *datatype,int *comm,int *size,int *ierr) 651 { 652 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 653 } 654 655 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) 656 { 657 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 658 } 659 660 PETSC_EXTERN void petsc_mpi_type_commit_(int *datatype,int *ierr) 661 { 662 *ierr = MPI_SUCCESS; 663 } 664 665 double petsc_mpi_wtime_(void) 666 { 667 return 0.0; 668 } 669 670 PETSC_EXTERN void petsc_mpi_cancel_(int *request,int *ierr) 671 { 672 *ierr = MPI_SUCCESS; 673 } 674 675 PETSC_EXTERN void petsc_mpi_comm_dup_(int *comm,int *out,int *ierr) 676 { 677 *out = *comm; 678 *ierr = MPI_SUCCESS; 679 } 680 681 PETSC_EXTERN void petsc_mpi_comm_free_(int *comm,int *ierr) 682 { 683 *ierr = MPI_SUCCESS; 684 } 685 686 PETSC_EXTERN void petsc_mpi_get_count_(int *status,int *datatype,int *count,int *ierr) 687 { 688 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 689 } 690 691 PETSC_EXTERN void petsc_mpi_get_processor_name_(char *name,int *result_len,int *ierr,PETSC_FORTRAN_CHARLEN_T len) 692 { 693 MPIUNI_Memcpy(name,"localhost",9*sizeof(char)); 694 *result_len = 9; 695 *ierr = MPI_SUCCESS; 696 } 697 698 PETSC_EXTERN void petsc_mpi_initialized_(int *flag,int *ierr) 699 { 700 *flag = MPI_was_initialized; 701 *ierr = MPI_SUCCESS; 702 } 703 704 PETSC_EXTERN void petsc_mpi_iprobe_(int *source,int *tag,int *comm,int *glag,int *status,int *ierr) 705 { 706 *ierr = MPI_SUCCESS; 707 } 708 709 PETSC_EXTERN void petsc_mpi_probe_(int *source,int *tag,int *comm,int *flag,int *status,int *ierr) 710 { 711 *ierr = MPI_SUCCESS; 712 } 713 714 PETSC_EXTERN void petsc_mpi_request_free_(int *request,int *ierr) 715 { 716 *ierr = MPI_SUCCESS; 717 } 718 719 PETSC_EXTERN void petsc_mpi_ssend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr) 720 { 721 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 722 } 723 724 PETSC_EXTERN void petsc_mpi_wait_(int *request,int *status,int *ierr) 725 { 726 *ierr = MPI_SUCCESS; 727 } 728 729 PETSC_EXTERN void petsc_mpi_comm_group_(int *comm,int *group,int *ierr) 730 { 731 *ierr = MPI_SUCCESS; 732 } 733 734 PETSC_EXTERN void petsc_mpi_exscan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 735 { 736 *ierr = MPI_SUCCESS; 737 } 738 739 #endif /* PETSC_HAVE_FORTRAN */ 740 741 #if defined(__cplusplus) 742 } 743 #endif 744