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_ERR_NOSUPPORT; 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 /* MPI standard says "once MPI_Finalize returns, no MPI routine (not even MPI_Init) may be called", so an MPI standard compliant 304 MPIU should have this 'if (MPI_was_finalized) return MPI_FAILURE;' check. We relax it here to make life easier for users 305 of MPIU so that they can do multiple PetscInitialize/Finalize(). 306 */ 307 /* if (MPI_was_finalized) return MPI_FAILURE; */ 308 MPI_was_initialized = 1; 309 MPI_was_finalized = 0; 310 return MPI_SUCCESS; 311 } 312 313 int MPI_Init_thread(int *argc, char ***argv, int required, int* provided) 314 { 315 MPI_Query_thread(provided); 316 return MPI_Init(argc,argv); 317 } 318 319 int MPI_Query_thread(int* provided) 320 { 321 *provided = MPI_THREAD_FUNNELED; 322 return MPI_SUCCESS; 323 } 324 325 int MPI_Finalize(void) 326 { 327 MPI_Comm comm; 328 if (MPI_was_finalized) return MPI_FAILURE; 329 if (!MPI_was_initialized) return MPI_FAILURE; 330 comm = MPI_COMM_WORLD; 331 MPI_Comm_free(&comm); 332 comm = MPI_COMM_SELF; 333 MPI_Comm_free(&comm); 334 #if defined(PETSC_USE_DEBUG) 335 { 336 int i; 337 for (i=3; i<=MaxComm; i++) { 338 if (comm_active[CommIdx(i)]) printf("MPIUni warning: MPI communicator %d is not freed before MPI_Finalize()\n", i); 339 } 340 } 341 #endif 342 /* reset counters */ 343 MaxComm = 2; 344 num_attr = 1; 345 MPI_was_finalized = 1; 346 MPI_was_initialized = 0; 347 PETSC_COMM_WORLD = MPI_COMM_NULL; 348 return MPI_SUCCESS; 349 } 350 351 int MPI_Initialized(int *flag) 352 { 353 *flag = MPI_was_initialized; 354 return MPI_SUCCESS; 355 } 356 357 int MPI_Finalized(int *flag) 358 { 359 *flag = MPI_was_finalized; 360 return MPI_SUCCESS; 361 } 362 363 /* ------------------- Fortran versions of several routines ------------------ */ 364 365 #if defined(PETSC_HAVE_FORTRAN_CAPS) 366 #define mpiunisetmoduleblock_ MPIUNISETMODULEBLOCK 367 #define mpiunisetfortranbasepointers_ MPIUNISETFORTRANBASEPOINTERS 368 #define petsc_mpi_init_ PETSC_MPI_INIT 369 #define petsc_mpi_finalize_ PETSC_MPI_FINALIZE 370 #define petsc_mpi_comm_size_ PETSC_MPI_COMM_SIZE 371 #define petsc_mpi_comm_rank_ PETSC_MPI_COMM_RANK 372 #define petsc_mpi_abort_ PETSC_MPI_ABORT 373 #define petsc_mpi_reduce_ PETSC_MPI_REDUCE 374 #define petsc_mpi_allreduce_ PETSC_MPI_ALLREDUCE 375 #define petsc_mpi_barrier_ PETSC_MPI_BARRIER 376 #define petsc_mpi_bcast_ PETSC_MPI_BCAST 377 #define petsc_mpi_gather_ PETSC_MPI_GATHER 378 #define petsc_mpi_allgather_ PETSC_MPI_ALLGATHER 379 #define petsc_mpi_comm_split_ PETSC_MPI_COMM_SPLIT 380 #define petsc_mpi_scan_ PETSC_MPI_SCAN 381 #define petsc_mpi_send_ PETSC_MPI_SEND 382 #define petsc_mpi_recv_ PETSC_MPI_RECV 383 #define petsc_mpi_reduce_scatter_ PETSC_MPI_REDUCE_SCATTER 384 #define petsc_mpi_irecv_ PETSC_MPI_IRECV 385 #define petsc_mpi_isend_ PETSC_MPI_ISEND 386 #define petsc_mpi_sendrecv_ PETSC_MPI_SENDRECV 387 #define petsc_mpi_test_ PETSC_MPI_TEST 388 #define petsc_mpi_waitall_ PETSC_MPI_WAITALL 389 #define petsc_mpi_waitany_ PETSC_MPI_WAITANY 390 #define petsc_mpi_allgatherv_ PETSC_MPI_ALLGATHERV 391 #define petsc_mpi_alltoallv_ PETSC_MPI_ALLTOALLV 392 #define petsc_mpi_comm_create_ PETSC_MPI_COMM_CREATE 393 #define petsc_mpi_address_ PETSC_MPI_ADDRESS 394 #define petsc_mpi_pack_ PETSC_MPI_PACK 395 #define petsc_mpi_unpack_ PETSC_MPI_UNPACK 396 #define petsc_mpi_pack_size_ PETSC_MPI_PACK_SIZE 397 #define petsc_mpi_type_struct_ PETSC_MPI_TYPE_STRUCT 398 #define petsc_mpi_type_commit_ PETSC_MPI_TYPE_COMMIT 399 #define petsc_mpi_wtime_ PETSC_MPI_WTIME 400 #define petsc_mpi_cancel_ PETSC_MPI_CANCEL 401 #define petsc_mpi_comm_dup_ PETSC_MPI_COMM_DUP 402 #define petsc_mpi_comm_free_ PETSC_MPI_COMM_FREE 403 #define petsc_mpi_get_count_ PETSC_MPI_GET_COUNT 404 #define petsc_mpi_get_processor_name_ PETSC_MPI_GET_PROCESSOR_NAME 405 #define petsc_mpi_initialized_ PETSC_MPI_INITIALIZED 406 #define petsc_mpi_iprobe_ PETSC_MPI_IPROBE 407 #define petsc_mpi_probe_ PETSC_MPI_PROBE 408 #define petsc_mpi_request_free_ PETSC_MPI_REQUEST_FREE 409 #define petsc_mpi_ssend_ PETSC_MPI_SSEND 410 #define petsc_mpi_wait_ PETSC_MPI_WAIT 411 #define petsc_mpi_comm_group_ PETSC_MPI_COMM_GROUP 412 #define petsc_mpi_exscan_ PETSC_MPI_EXSCAN 413 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 414 #define mpiunisetmoduleblock_ mpiunisetmoduleblock 415 #define mpiunisetfortranbasepointers_ mpiunisetfortranbasepointers 416 #define petsc_mpi_init_ petsc_mpi_init 417 #define petsc_mpi_finalize_ petsc_mpi_finalize 418 #define petsc_mpi_comm_size_ petsc_mpi_comm_size 419 #define petsc_mpi_comm_rank_ petsc_mpi_comm_rank 420 #define petsc_mpi_abort_ petsc_mpi_abort 421 #define petsc_mpi_reduce_ petsc_mpi_reduce 422 #define petsc_mpi_allreduce_ petsc_mpi_allreduce 423 #define petsc_mpi_barrier_ petsc_mpi_barrier 424 #define petsc_mpi_bcast_ petsc_mpi_bcast 425 #define petsc_mpi_gather_ petsc_mpi_gather 426 #define petsc_mpi_allgather_ petsc_mpi_allgather 427 #define petsc_mpi_comm_split_ petsc_mpi_comm_split 428 #define petsc_mpi_scan_ petsc_mpi_scan 429 #define petsc_mpi_send_ petsc_mpi_send 430 #define petsc_mpi_recv_ petsc_mpi_recv 431 #define petsc_mpi_reduce_scatter_ petsc_mpi_reduce_scatter 432 #define petsc_mpi_irecv_ petsc_mpi_irecv 433 #define petsc_mpi_isend_ petsc_mpi_isend 434 #define petsc_mpi_sendrecv_ petsc_mpi_sendrecv 435 #define petsc_mpi_test_ petsc_mpi_test 436 #define petsc_mpi_waitall_ petsc_mpi_waitall 437 #define petsc_mpi_waitany_ petsc_mpi_waitany 438 #define petsc_mpi_allgatherv_ petsc_mpi_allgatherv 439 #define petsc_mpi_alltoallv_ petsc_mpi_alltoallv 440 #define petsc_mpi_comm_create_ petsc_mpi_comm_create 441 #define petsc_mpi_address_ petsc_mpi_address 442 #define petsc_mpi_pack_ petsc_mpi_pack 443 #define petsc_mpi_unpack_ petsc_mpi_unpack 444 #define petsc_mpi_pack_size_ petsc_mpi_pack_size 445 #define petsc_mpi_type_struct_ petsc_mpi_type_struct 446 #define petsc_mpi_type_commit_ petsc_mpi_type_commit 447 #define petsc_mpi_wtime_ petsc_mpi_wtime 448 #define petsc_mpi_cancel_ petsc_mpi_cancel 449 #define petsc_mpi_comm_dup_ petsc_mpi_comm_dup 450 #define petsc_mpi_comm_free_ petsc_mpi_comm_free 451 #define petsc_mpi_get_count_ petsc_mpi_get_count 452 #define petsc_mpi_get_processor_name_ petsc_mpi_get_processor_name 453 #define petsc_mpi_initialized_ petsc_mpi_initialized 454 #define petsc_mpi_iprobe_ petsc_mpi_iprobe 455 #define petsc_mpi_probe_ petsc_mpi_probe 456 #define petsc_mpi_request_free_ petsc_mpi_request_free 457 #define petsc_mpi_ssend_ petsc_mpi_ssend 458 #define petsc_mpi_wait_ petsc_mpi_wait 459 #define petsc_mpi_comm_group_ petsc_mpi_comm_group 460 #define petsc_mpi_exscan_ petsc_mpi_exscan 461 #endif 462 463 #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE) 464 #define petsc_mpi_init_ petsc_mpi_init__ 465 #define petsc_mpi_finalize_ petsc_mpi_finalize__ 466 #define petsc_mpi_comm_size_ petsc_mpi_comm_size__ 467 #define petsc_mpi_comm_rank_ petsc_mpi_comm_rank__ 468 #define petsc_mpi_abort_ petsc_mpi_abort__ 469 #define petsc_mpi_reduce_ petsc_mpi_reduce__ 470 #define petsc_mpi_allreduce_ petsc_mpi_allreduce__ 471 #define petsc_mpi_barrier_ petsc_mpi_barrier__ 472 #define petsc_mpi_bcast_ petsc_mpi_bcast__ 473 #define petsc_mpi_gather_ petsc_mpi_gather__ 474 #define petsc_mpi_allgather_ petsc_mpi_allgather__ 475 #define petsc_mpi_comm_split_ petsc_mpi_comm_split__ 476 #define petsc_mpi_scan_ petsc_mpi_scan__ 477 #define petsc_mpi_send_ petsc_mpi_send__ 478 #define petsc_mpi_recv_ petsc_mpi_recv__ 479 #define petsc_mpi_reduce_scatter_ petsc_mpi_reduce_scatter__ 480 #define petsc_mpi_irecv_ petsc_mpi_irecv__ 481 #define petsc_mpi_isend_ petsc_mpi_isend__ 482 #define petsc_mpi_sendrecv_ petsc_mpi_sendrecv__ 483 #define petsc_mpi_test_ petsc_mpi_test__ 484 #define petsc_mpi_waitall_ petsc_mpi_waitall__ 485 #define petsc_mpi_waitany_ petsc_mpi_waitany__ 486 #define petsc_mpi_allgatherv_ petsc_mpi_allgatherv__ 487 #define petsc_mpi_alltoallv_ petsc_mpi_alltoallv__ 488 #define petsc_mpi_comm_create_ petsc_mpi_comm_create__ 489 #define petsc_mpi_address_ petsc_mpi_address__ 490 #define petsc_mpi_pack_ petsc_mpi_pack__ 491 #define petsc_mpi_unpack_ petsc_mpi_unpack__ 492 #define petsc_mpi_pack_size_ petsc_mpi_pack_size__ 493 #define petsc_mpi_type_struct_ petsc_mpi_type_struct__ 494 #define petsc_mpi_type_commit_ petsc_mpi_type_commit__ 495 #define petsc_mpi_wtime_ petsc_mpi_wtime__ 496 #define petsc_mpi_cancel_ petsc_mpi_cancel__ 497 #define petsc_mpi_comm_dup_ petsc_mpi_comm_dup__ 498 #define petsc_mpi_comm_free_ petsc_mpi_comm_free__ 499 #define petsc_mpi_get_count_ petsc_mpi_get_count__ 500 #define petsc_mpi_get_processor_name_ petsc_mpi_get_processor_name__ 501 #define petsc_mpi_initialized_ petsc_mpi_initialized__ 502 #define petsc_mpi_iprobe_ petsc_mpi_iprobe__ 503 #define petsc_mpi_probe_ petsc_mpi_probe__ 504 #define petsc_mpi_request_free_ petsc_mpi_request_free__ 505 #define petsc_mpi_ssend_ petsc_mpi_ssend__ 506 #define petsc_mpi_wait_ petsc_mpi_wait__ 507 #define petsc_mpi_comm_group_ petsc_mpi_comm_group__ 508 #define petsc_mpi_exscan_ petsc_mpi_exscan__ 509 #endif 510 511 /* Do not build fortran interface if MPI namespace colision is to be avoided */ 512 #if defined(PETSC_HAVE_FORTRAN) 513 514 PETSC_EXTERN void mpiunisetmoduleblock_(void); 515 516 PETSC_EXTERN void mpiunisetfortranbasepointers_(void *f_mpi_in_place) 517 { 518 MPIUNIF_mpi_in_place = f_mpi_in_place; 519 } 520 521 PETSC_EXTERN void petsc_mpi_init_(int *ierr) 522 { 523 mpiunisetmoduleblock_(); 524 *ierr = MPI_Init((int*)0, (char***)0); 525 } 526 527 PETSC_EXTERN void petsc_mpi_finalize_(int *ierr) 528 { 529 *ierr = MPI_Finalize(); 530 } 531 532 PETSC_EXTERN void petsc_mpi_comm_size_(MPI_Comm *comm,int *size,int *ierr) 533 { 534 *size = 1; 535 *ierr = 0; 536 } 537 538 PETSC_EXTERN void petsc_mpi_comm_rank_(MPI_Comm *comm,int *rank,int *ierr) 539 { 540 *rank = 0; 541 *ierr = MPI_SUCCESS; 542 } 543 544 PETSC_EXTERN void petsc_mpi_comm_split_(MPI_Comm *comm,int *color,int *key, MPI_Comm *newcomm, int *ierr) 545 { 546 *newcomm = *comm; 547 *ierr = MPI_SUCCESS; 548 } 549 550 PETSC_EXTERN void petsc_mpi_abort_(MPI_Comm *comm,int *errorcode,int *ierr) 551 { 552 abort(); 553 *ierr = MPI_SUCCESS; 554 } 555 556 PETSC_EXTERN void petsc_mpi_reduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *root,int *comm,int *ierr) 557 { 558 *ierr = MPI_Reduce(sendbuf,recvbuf,*count,*datatype,*op,*root,*comm); 559 } 560 561 PETSC_EXTERN void petsc_mpi_allreduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 562 { 563 *ierr = MPI_Allreduce(sendbuf,recvbuf,*count,*datatype,*op,*comm); 564 } 565 566 PETSC_EXTERN void petsc_mpi_barrier_(MPI_Comm *comm,int *ierr) 567 { 568 *ierr = MPI_SUCCESS; 569 } 570 571 PETSC_EXTERN void petsc_mpi_bcast_(void *buf,int *count,int *datatype,int *root,int *comm,int *ierr) 572 { 573 *ierr = MPI_SUCCESS; 574 } 575 576 PETSC_EXTERN void petsc_mpi_gather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype, int *root,int *comm,int *ierr) 577 { 578 *ierr = MPI_Gather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*root,*comm); 579 } 580 581 PETSC_EXTERN void petsc_mpi_allgather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype,int *comm,int *ierr) 582 { 583 *ierr = MPI_Allgather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*comm); 584 } 585 586 PETSC_EXTERN void petsc_mpi_scan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 587 { 588 *ierr = MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPI_sizeof(*datatype)); 589 } 590 591 PETSC_EXTERN void petsc_mpi_send_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr) 592 { 593 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 594 } 595 596 PETSC_EXTERN void petsc_mpi_recv_(void *buf,int *count,int *datatype,int *source,int *tag,int *comm,int status,int *ierr) 597 { 598 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 599 } 600 601 PETSC_EXTERN void petsc_mpi_reduce_scatter_(void *sendbuf,void *recvbuf,int *recvcounts,int *datatype,int *op,int *comm,int *ierr) 602 { 603 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 604 } 605 606 PETSC_EXTERN void petsc_mpi_irecv_(void *buf,int *count, int *datatype, int *source, int *tag, int *comm, int *request, int *ierr) 607 { 608 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 609 } 610 611 PETSC_EXTERN void petsc_mpi_isend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *request, int *ierr) 612 { 613 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 614 } 615 616 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) 617 { 618 *ierr = MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPI_sizeof(*sendtype)); 619 } 620 621 PETSC_EXTERN void petsc_mpi_test_(int *request,int *flag,int *status,int *ierr) 622 { 623 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 624 } 625 626 PETSC_EXTERN void petsc_mpi_waitall_(int *count,int *array_of_requests,int *array_of_statuses,int *ierr) 627 { 628 *ierr = MPI_SUCCESS; 629 } 630 631 PETSC_EXTERN void petsc_mpi_waitany_(int *count,int *array_of_requests,int * index, int *status,int *ierr) 632 { 633 *ierr = MPI_SUCCESS; 634 } 635 636 PETSC_EXTERN void petsc_mpi_allgatherv_(void *sendbuf,int *sendcount,int *sendtype,void *recvbuf,int *recvcounts,int *displs,int *recvtype,int *comm,int *ierr) 637 { 638 *ierr = MPI_Allgatherv(sendbuf,*sendcount,*sendtype,recvbuf,recvcounts,displs,*recvtype,*comm); 639 } 640 641 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) 642 { 643 *ierr = MPI_Alltoallv(sendbuf,sendcounts,sdispls,*sendtype,recvbuf,recvcounts,rdispls,*recvtype,*comm); 644 } 645 646 PETSC_EXTERN void petsc_mpi_comm_create_(int *comm,int *group,int *newcomm,int *ierr) 647 { 648 *newcomm = *comm; 649 *ierr = MPI_SUCCESS; 650 } 651 652 PETSC_EXTERN void petsc_mpi_address_(void *location,MPI_Aint *address,int *ierr) 653 { 654 *address = (MPI_Aint) ((char *)location); 655 *ierr = MPI_SUCCESS; 656 } 657 658 PETSC_EXTERN void petsc_mpi_pack_(void *inbuf,int *incount,int *datatype,void *outbuf,int *outsize,int *position,int *comm,int *ierr) 659 { 660 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 661 } 662 663 PETSC_EXTERN void petsc_mpi_unpack_(void *inbuf,int *insize,int *position,void *outbuf,int *outcount,int *datatype,int *comm,int *ierr) 664 { 665 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 666 } 667 668 PETSC_EXTERN void petsc_mpi_pack_size_(int *incount,int *datatype,int *comm,int *size,int *ierr) 669 { 670 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 671 } 672 673 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) 674 { 675 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 676 } 677 678 PETSC_EXTERN void petsc_mpi_type_commit_(int *datatype,int *ierr) 679 { 680 *ierr = MPI_SUCCESS; 681 } 682 683 double petsc_mpi_wtime_(void) 684 { 685 return 0.0; 686 } 687 688 PETSC_EXTERN void petsc_mpi_cancel_(int *request,int *ierr) 689 { 690 *ierr = MPI_SUCCESS; 691 } 692 693 PETSC_EXTERN void petsc_mpi_comm_dup_(int *comm,int *out,int *ierr) 694 { 695 *out = *comm; 696 *ierr = MPI_SUCCESS; 697 } 698 699 PETSC_EXTERN void petsc_mpi_comm_free_(int *comm,int *ierr) 700 { 701 *ierr = MPI_SUCCESS; 702 } 703 704 PETSC_EXTERN void petsc_mpi_get_count_(int *status,int *datatype,int *count,int *ierr) 705 { 706 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 707 } 708 709 PETSC_EXTERN void petsc_mpi_get_processor_name_(char *name,int *result_len,int *ierr,PETSC_FORTRAN_CHARLEN_T len) 710 { 711 MPIUNI_Memcpy(name,"localhost",9*sizeof(char)); 712 *result_len = 9; 713 *ierr = MPI_SUCCESS; 714 } 715 716 PETSC_EXTERN void petsc_mpi_initialized_(int *flag,int *ierr) 717 { 718 *flag = MPI_was_initialized; 719 *ierr = MPI_SUCCESS; 720 } 721 722 PETSC_EXTERN void petsc_mpi_iprobe_(int *source,int *tag,int *comm,int *glag,int *status,int *ierr) 723 { 724 *ierr = MPI_SUCCESS; 725 } 726 727 PETSC_EXTERN void petsc_mpi_probe_(int *source,int *tag,int *comm,int *flag,int *status,int *ierr) 728 { 729 *ierr = MPI_SUCCESS; 730 } 731 732 PETSC_EXTERN void petsc_mpi_request_free_(int *request,int *ierr) 733 { 734 *ierr = MPI_SUCCESS; 735 } 736 737 PETSC_EXTERN void petsc_mpi_ssend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr) 738 { 739 *ierr = MPIUni_Abort(MPI_COMM_WORLD,0); 740 } 741 742 PETSC_EXTERN void petsc_mpi_wait_(int *request,int *status,int *ierr) 743 { 744 *ierr = MPI_SUCCESS; 745 } 746 747 PETSC_EXTERN void petsc_mpi_comm_group_(int *comm,int *group,int *ierr) 748 { 749 *ierr = MPI_SUCCESS; 750 } 751 752 PETSC_EXTERN void petsc_mpi_exscan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 753 { 754 *ierr = MPI_SUCCESS; 755 } 756 757 #endif /* PETSC_HAVE_FORTRAN */ 758 759 #if defined(__cplusplus) 760 } 761 #endif 762