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