1 2 /* 3 This file defines the initialization of PETSc, including PetscInitialize() 4 */ 5 #define PETSC_DESIRE_COMPLEX 6 #include <petsc-private/petscimpl.h> /*I "petscsys.h" I*/ 7 #include <petscviewer.h> 8 9 #if defined(PETSC_HAVE_CUDA) 10 #include <cublas.h> 11 #endif 12 13 #include <petscthreadcomm.h> 14 15 #if defined(PETSC_USE_LOG) 16 extern PetscErrorCode PetscLogBegin_Private(void); 17 #endif 18 extern PetscBool PetscHMPIWorker; 19 20 #if defined(PETSC_SERIALIZE_FUNCTIONS) 21 PetscFPT PetscFPTData = 0; 22 #endif 23 24 #if defined(PETSC_HAVE_SAWS) 25 #include <petscviewersaws.h> 26 #endif 27 /* -----------------------------------------------------------------------------------------*/ 28 29 extern FILE *petsc_history; 30 31 extern PetscErrorCode PetscInitialize_DynamicLibraries(void); 32 extern PetscErrorCode PetscFinalize_DynamicLibraries(void); 33 extern PetscErrorCode PetscFunctionListPrintAll(void); 34 extern PetscErrorCode PetscSequentialPhaseBegin_Private(MPI_Comm,int); 35 extern PetscErrorCode PetscSequentialPhaseEnd_Private(MPI_Comm,int); 36 extern PetscErrorCode PetscCloseHistoryFile(FILE**); 37 38 /* user may set this BEFORE calling PetscInitialize() */ 39 MPI_Comm PETSC_COMM_WORLD = MPI_COMM_NULL; 40 41 PetscMPIInt Petsc_Counter_keyval = MPI_KEYVAL_INVALID; 42 PetscMPIInt Petsc_InnerComm_keyval = MPI_KEYVAL_INVALID; 43 PetscMPIInt Petsc_OuterComm_keyval = MPI_KEYVAL_INVALID; 44 45 /* 46 Declare and set all the string names of the PETSc enums 47 */ 48 const char *const PetscBools[] = {"FALSE","TRUE","PetscBool","PETSC_",0}; 49 const char *const PetscCopyModes[] = {"COPY_VALUES","OWN_POINTER","USE_POINTER","PetscCopyMode","PETSC_",0}; 50 const char *const PetscDataTypes[] = {"INT","DOUBLE","COMPLEX","LONG","SHORT","FLOAT", 51 "CHAR","LOGICAL","ENUM","BOOL","LONGDOUBLE","OBJECT","FUNCTION","PetscDataType","PETSC_",0}; 52 53 PetscBool PetscPreLoadingUsed = PETSC_FALSE; 54 PetscBool PetscPreLoadingOn = PETSC_FALSE; 55 56 PetscInt PetscHotRegionDepth; 57 58 /* 59 Checks the options database for initializations related to the 60 PETSc components 61 */ 62 #undef __FUNCT__ 63 #define __FUNCT__ "PetscOptionsCheckInitial_Components" 64 PetscErrorCode PetscOptionsCheckInitial_Components(void) 65 { 66 PetscBool flg1; 67 PetscErrorCode ierr; 68 69 PetscFunctionBegin; 70 ierr = PetscOptionsHasName(NULL,"-help",&flg1);CHKERRQ(ierr); 71 if (flg1) { 72 #if defined(PETSC_USE_LOG) 73 MPI_Comm comm = PETSC_COMM_WORLD; 74 ierr = (*PetscHelpPrintf)(comm,"------Additional PETSc component options--------\n");CHKERRQ(ierr); 75 ierr = (*PetscHelpPrintf)(comm," -log_summary_exclude: <vec,mat,pc.ksp,snes>\n");CHKERRQ(ierr); 76 ierr = (*PetscHelpPrintf)(comm," -info_exclude: <null,vec,mat,pc,ksp,snes,ts>\n");CHKERRQ(ierr); 77 ierr = (*PetscHelpPrintf)(comm,"-----------------------------------------------\n");CHKERRQ(ierr); 78 #endif 79 } 80 PetscFunctionReturn(0); 81 } 82 83 #undef __FUNCT__ 84 #define __FUNCT__ "PetscInitializeNoPointers" 85 /* 86 PetscInitializeNoPointers - Calls PetscInitialize() from C/C++ without the pointers to argc and args 87 88 Collective 89 90 Level: advanced 91 92 Notes: this is called only by the PETSc MATLAB and Julia interface. Even though it might start MPI it sets the flag to 93 indicate that it did NOT start MPI so that the PetscFinalize() does not end MPI, thus allowing PetscInitialize() to 94 be called multiple times from MATLAB and Julia without the problem of trying to initialize MPI more than once. 95 96 Turns off PETSc signal handling because that can interact with MATLAB's signal handling causing random crashes. 97 98 .seealso: PetscInitialize(), PetscInitializeFortran(), PetscInitializeNoArguments() 99 */ 100 PetscErrorCode PetscInitializeNoPointers(int argc,char **args,const char *filename,const char *help) 101 { 102 PetscErrorCode ierr; 103 int myargc = argc; 104 char **myargs = args; 105 106 PetscFunctionBegin; 107 ierr = PetscInitialize(&myargc,&myargs,filename,help);CHKERRQ(ierr); 108 ierr = PetscPopSignalHandler();CHKERRQ(ierr); 109 PetscBeganMPI = PETSC_FALSE; 110 PetscFunctionReturn(ierr); 111 } 112 113 #undef __FUNCT__ 114 #define __FUNCT__ "PetscGetPETSC_COMM_SELF" 115 /* 116 Used by MATLAB and Julia interface to get communicator 117 */ 118 PetscErrorCode PetscGetPETSC_COMM_SELF(MPI_Comm *comm) 119 { 120 PetscFunctionBegin; 121 *comm = PETSC_COMM_SELF; 122 PetscFunctionReturn(0); 123 } 124 125 #undef __FUNCT__ 126 #define __FUNCT__ "PetscInitializeNoArguments" 127 /*@C 128 PetscInitializeNoArguments - Calls PetscInitialize() from C/C++ without 129 the command line arguments. 130 131 Collective 132 133 Level: advanced 134 135 .seealso: PetscInitialize(), PetscInitializeFortran() 136 @*/ 137 PetscErrorCode PetscInitializeNoArguments(void) 138 { 139 PetscErrorCode ierr; 140 int argc = 0; 141 char **args = 0; 142 143 PetscFunctionBegin; 144 ierr = PetscInitialize(&argc,&args,NULL,NULL); 145 PetscFunctionReturn(ierr); 146 } 147 148 #undef __FUNCT__ 149 #define __FUNCT__ "PetscInitialized" 150 /*@ 151 PetscInitialized - Determine whether PETSc is initialized. 152 153 Level: beginner 154 155 .seealso: PetscInitialize(), PetscInitializeNoArguments(), PetscInitializeFortran() 156 @*/ 157 PetscErrorCode PetscInitialized(PetscBool *isInitialized) 158 { 159 *isInitialized = PetscInitializeCalled; 160 return 0; 161 } 162 163 #undef __FUNCT__ 164 #define __FUNCT__ "PetscFinalized" 165 /*@ 166 PetscFinalized - Determine whether PetscFinalize() has been called yet 167 168 Level: developer 169 170 .seealso: PetscInitialize(), PetscInitializeNoArguments(), PetscInitializeFortran() 171 @*/ 172 PetscErrorCode PetscFinalized(PetscBool *isFinalized) 173 { 174 *isFinalized = PetscFinalizeCalled; 175 return 0; 176 } 177 178 extern PetscErrorCode PetscOptionsCheckInitial_Private(void); 179 180 /* 181 This function is the MPI reduction operation used to compute the sum of the 182 first half of the datatype and the max of the second half. 183 */ 184 MPI_Op PetscMaxSum_Op = 0; 185 186 #undef __FUNCT__ 187 #define __FUNCT__ "PetscMaxSum_Local" 188 PETSC_EXTERN void MPIAPI PetscMaxSum_Local(void *in,void *out,int *cnt,MPI_Datatype *datatype) 189 { 190 PetscInt *xin = (PetscInt*)in,*xout = (PetscInt*)out,i,count = *cnt; 191 192 PetscFunctionBegin; 193 if (*datatype != MPIU_2INT) { 194 (*PetscErrorPrintf)("Can only handle MPIU_2INT data types"); 195 MPI_Abort(MPI_COMM_WORLD,1); 196 } 197 198 for (i=0; i<count; i++) { 199 xout[2*i] = PetscMax(xout[2*i],xin[2*i]); 200 xout[2*i+1] += xin[2*i+1]; 201 } 202 PetscFunctionReturnVoid(); 203 } 204 205 /* 206 Returns the max of the first entry owned by this processor and the 207 sum of the second entry. 208 209 The reason nprocs[2*i] contains lengths nprocs[2*i+1] contains flag of 1 if length is nonzero 210 is so that the PetscMaxSum_Op() can set TWO values, if we passed in only nprocs[i] with lengths 211 there would be no place to store the both needed results. 212 */ 213 #undef __FUNCT__ 214 #define __FUNCT__ "PetscMaxSum" 215 PetscErrorCode PetscMaxSum(MPI_Comm comm,const PetscInt nprocs[],PetscInt *max,PetscInt *sum) 216 { 217 PetscMPIInt size,rank; 218 struct {PetscInt max,sum;} *work; 219 PetscErrorCode ierr; 220 221 PetscFunctionBegin; 222 ierr = MPI_Comm_size(comm,&size);CHKERRQ(ierr); 223 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 224 ierr = PetscMalloc(size*sizeof(*work),&work);CHKERRQ(ierr); 225 ierr = MPI_Allreduce((void*)nprocs,work,size,MPIU_2INT,PetscMaxSum_Op,comm);CHKERRQ(ierr); 226 *max = work[rank].max; 227 *sum = work[rank].sum; 228 ierr = PetscFree(work);CHKERRQ(ierr); 229 PetscFunctionReturn(0); 230 } 231 232 /* ----------------------------------------------------------------------------*/ 233 MPI_Op PetscADMax_Op = 0; 234 235 #undef __FUNCT__ 236 #define __FUNCT__ "PetscADMax_Local" 237 PETSC_EXTERN void MPIAPI PetscADMax_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 238 { 239 PetscScalar *xin = (PetscScalar*)in,*xout = (PetscScalar*)out; 240 PetscInt i,count = *cnt; 241 242 PetscFunctionBegin; 243 if (*datatype != MPIU_2SCALAR) { 244 (*PetscErrorPrintf)("Can only handle MPIU_2SCALAR data (i.e. double or complex) types"); 245 MPI_Abort(MPI_COMM_WORLD,1); 246 } 247 248 for (i=0; i<count; i++) { 249 if (PetscRealPart(xout[2*i]) < PetscRealPart(xin[2*i])) { 250 xout[2*i] = xin[2*i]; 251 xout[2*i+1] = xin[2*i+1]; 252 } 253 } 254 PetscFunctionReturnVoid(); 255 } 256 257 MPI_Op PetscADMin_Op = 0; 258 259 #undef __FUNCT__ 260 #define __FUNCT__ "PetscADMin_Local" 261 PETSC_EXTERN void MPIAPI PetscADMin_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 262 { 263 PetscScalar *xin = (PetscScalar*)in,*xout = (PetscScalar*)out; 264 PetscInt i,count = *cnt; 265 266 PetscFunctionBegin; 267 if (*datatype != MPIU_2SCALAR) { 268 (*PetscErrorPrintf)("Can only handle MPIU_2SCALAR data (i.e. double or complex) types"); 269 MPI_Abort(MPI_COMM_WORLD,1); 270 } 271 272 for (i=0; i<count; i++) { 273 if (PetscRealPart(xout[2*i]) > PetscRealPart(xin[2*i])) { 274 xout[2*i] = xin[2*i]; 275 xout[2*i+1] = xin[2*i+1]; 276 } 277 } 278 PetscFunctionReturnVoid(); 279 } 280 /* ---------------------------------------------------------------------------------------*/ 281 282 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 283 MPI_Op MPIU_SUM = 0; 284 285 #undef __FUNCT__ 286 #define __FUNCT__ "PetscSum_Local" 287 PETSC_EXTERN void PetscSum_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 288 { 289 PetscInt i,count = *cnt; 290 291 PetscFunctionBegin; 292 if (*datatype == MPIU_REAL) { 293 PetscReal *xin = (PetscReal*)in,*xout = (PetscReal*)out; 294 for (i=0; i<count; i++) xout[i] += xin[i]; 295 } 296 #if defined(PETSC_HAVE_COMPLEX) 297 else if (*datatype == MPIU_COMPLEX) { 298 PetscComplex *xin = (PetscComplex*)in,*xout = (PetscComplex*)out; 299 for (i=0; i<count; i++) xout[i] += xin[i]; 300 } 301 #endif 302 else { 303 (*PetscErrorPrintf)("Can only handle MPIU_REAL or MPIU_COMPLEX data types"); 304 MPI_Abort(MPI_COMM_WORLD,1); 305 } 306 PetscFunctionReturnVoid(); 307 } 308 #endif 309 310 #if defined(PETSC_USE_REAL___FLOAT128) 311 MPI_Op MPIU_MAX = 0; 312 MPI_Op MPIU_MIN = 0; 313 314 #undef __FUNCT__ 315 #define __FUNCT__ "PetscMax_Local" 316 PETSC_EXTERN void PetscMax_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 317 { 318 PetscInt i,count = *cnt; 319 320 PetscFunctionBegin; 321 if (*datatype == MPIU_REAL) { 322 PetscReal *xin = (PetscReal*)in,*xout = (PetscReal*)out; 323 for (i=0; i<count; i++) xout[i] = PetscMax(xout[i],xin[i]); 324 } 325 #if defined(PETSC_HAVE_COMPLEX) 326 else if (*datatype == MPIU_COMPLEX) { 327 PetscComplex *xin = (PetscComplex*)in,*xout = (PetscComplex*)out; 328 for (i=0; i<count; i++) { 329 xout[i] = PetscRealPartComplex(xout[i])<PetscRealPartComplex(xin[i]) ? xin[i] : xout[i]; 330 } 331 } 332 #endif 333 else { 334 (*PetscErrorPrintf)("Can only handle MPIU_REAL or MPIU_COMPLEX data types"); 335 MPI_Abort(MPI_COMM_WORLD,1); 336 } 337 PetscFunctionReturnVoid(); 338 } 339 340 #undef __FUNCT__ 341 #define __FUNCT__ "PetscMin_Local" 342 PETSC_EXTERN void PetscMin_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 343 { 344 PetscInt i,count = *cnt; 345 346 PetscFunctionBegin; 347 if (*datatype == MPIU_REAL) { 348 PetscReal *xin = (PetscReal*)in,*xout = (PetscReal*)out; 349 for (i=0; i<count; i++) xout[i] = PetscMin(xout[i],xin[i]); 350 } 351 #if defined(PETSC_HAVE_COMPLEX) 352 else if (*datatype == MPIU_COMPLEX) { 353 PetscComplex *xin = (PetscComplex*)in,*xout = (PetscComplex*)out; 354 for (i=0; i<count; i++) { 355 xout[i] = PetscRealPartComplex(xout[i])>PetscRealPartComplex(xin[i]) ? xin[i] : xout[i]; 356 } 357 } 358 #endif 359 else { 360 (*PetscErrorPrintf)("Can only handle MPIU_REAL or MPIU_SCALAR data (i.e. double or complex) types"); 361 MPI_Abort(MPI_COMM_WORLD,1); 362 } 363 PetscFunctionReturnVoid(); 364 } 365 #endif 366 367 #undef __FUNCT__ 368 #define __FUNCT__ "Petsc_DelCounter" 369 /* 370 Private routine to delete internal tag/name counter storage when a communicator is freed. 371 372 This is called by MPI, not by users. This is called by MPI_Comm_free() when the communicator that has this data as an attribute is freed. 373 374 Note: this is declared extern "C" because it is passed to MPI_Keyval_create() 375 376 */ 377 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelCounter(MPI_Comm comm,PetscMPIInt keyval,void *count_val,void *extra_state) 378 { 379 PetscErrorCode ierr; 380 381 PetscFunctionBegin; 382 ierr = PetscInfo1(0,"Deleting counter data in an MPI_Comm %ld\n",(long)comm);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 383 ierr = PetscFree(count_val);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 384 PetscFunctionReturn(MPI_SUCCESS); 385 } 386 387 #undef __FUNCT__ 388 #define __FUNCT__ "Petsc_DelComm_Outer" 389 /* 390 This is invoked on the outer comm as a result of either PetscCommDestroy() (via MPI_Attr_delete) or when the user 391 calls MPI_Comm_free(). 392 393 This is the only entry point for breaking the links between inner and outer comms. 394 395 This is called by MPI, not by users. This is called when MPI_Comm_free() is called on the communicator. 396 397 Note: this is declared extern "C" because it is passed to MPI_Keyval_create() 398 399 */ 400 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Outer(MPI_Comm comm,PetscMPIInt keyval,void *attr_val,void *extra_state) 401 { 402 PetscErrorCode ierr; 403 PetscMPIInt flg; 404 union {MPI_Comm comm; void *ptr;} icomm,ocomm; 405 406 PetscFunctionBegin; 407 if (keyval != Petsc_InnerComm_keyval) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Unexpected keyval"); 408 icomm.ptr = attr_val; 409 410 ierr = MPI_Attr_get(icomm.comm,Petsc_OuterComm_keyval,&ocomm,&flg);CHKERRQ(ierr); 411 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected reference to outer comm"); 412 if (ocomm.comm != comm) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm has reference to non-matching outer comm"); 413 ierr = MPI_Attr_delete(icomm.comm,Petsc_OuterComm_keyval);CHKERRQ(ierr); /* Calls Petsc_DelComm_Inner */ 414 ierr = PetscInfo1(0,"User MPI_Comm %ld is being freed after removing reference from inner PETSc comm to this outer comm\n",(long)comm);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 415 PetscFunctionReturn(MPI_SUCCESS); 416 } 417 418 #undef __FUNCT__ 419 #define __FUNCT__ "Petsc_DelComm_Inner" 420 /* 421 * This is invoked on the inner comm when Petsc_DelComm_Outer calls MPI_Attr_delete. It should not be reached any other way. 422 */ 423 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Inner(MPI_Comm comm,PetscMPIInt keyval,void *attr_val,void *extra_state) 424 { 425 PetscErrorCode ierr; 426 427 PetscFunctionBegin; 428 ierr = PetscInfo1(0,"Removing reference to PETSc communicator embedded in a user MPI_Comm %ld\n",(long)comm);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 429 PetscFunctionReturn(MPI_SUCCESS); 430 } 431 432 #if defined(PETSC_USE_PETSC_MPI_EXTERNAL32) 433 #if !defined(PETSC_WORDS_BIGENDIAN) 434 PETSC_EXTERN PetscMPIInt PetscDataRep_extent_fn(MPI_Datatype,MPI_Aint*,void*); 435 PETSC_EXTERN PetscMPIInt PetscDataRep_read_conv_fn(void*, MPI_Datatype,PetscMPIInt,void*,MPI_Offset,void*); 436 PETSC_EXTERN PetscMPIInt PetscDataRep_write_conv_fn(void*, MPI_Datatype,PetscMPIInt,void*,MPI_Offset,void*); 437 #endif 438 #endif 439 440 int PetscGlobalArgc = 0; 441 char **PetscGlobalArgs = 0; 442 PetscSegBuffer PetscCitationsList; 443 444 #undef __FUNCT__ 445 #define __FUNCT__ "PetscCitationsInitialize" 446 PetscErrorCode PetscCitationsInitialize() 447 { 448 PetscErrorCode ierr; 449 450 PetscFunctionBegin; 451 ierr = PetscSegBufferCreate(1,10000,&PetscCitationsList);CHKERRQ(ierr); 452 ierr = PetscCitationsRegister("@TechReport{petsc-user-ref,\n Author = {Satish Balay and Jed Brown and and Kris Buschelman and Victor Eijkhout\n and William D. Gropp and Dinesh Kaushik and Matthew G. Knepley\n and Lois Curfman McInnes and Barry F. Smith and Hong Zhang},\n Title = {{PETS}c Users Manual},\n Number = {ANL-95/11 - Revision 3.4},\n Institution = {Argonne National Laboratory},\n Year = {2013}\n}\n",NULL);CHKERRQ(ierr); 453 ierr = PetscCitationsRegister("@InProceedings{petsc-efficient,\n Author = {Satish Balay and William D. Gropp and Lois Curfman McInnes and Barry F. Smith},\n Title = {Efficient Management of Parallelism in Object Oriented Numerical Software Libraries},\n Booktitle = {Modern Software Tools in Scientific Computing},\n Editor = {E. Arge and A. M. Bruaset and H. P. Langtangen},\n Pages = {163--202},\n Publisher = {Birkh{\\\"{a}}user Press},\n Year = {1997}\n}\n",NULL);CHKERRQ(ierr); 454 PetscFunctionReturn(0); 455 } 456 457 #undef __FUNCT__ 458 #define __FUNCT__ "PetscGetArgs" 459 /*@C 460 PetscGetArgs - Allows you to access the raw command line arguments anywhere 461 after PetscInitialize() is called but before PetscFinalize(). 462 463 Not Collective 464 465 Output Parameters: 466 + argc - count of number of command line arguments 467 - args - the command line arguments 468 469 Level: intermediate 470 471 Notes: 472 This is usually used to pass the command line arguments into other libraries 473 that are called internally deep in PETSc or the application. 474 475 The first argument contains the program name as is normal for C arguments. 476 477 Concepts: command line arguments 478 479 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArguments() 480 481 @*/ 482 PetscErrorCode PetscGetArgs(int *argc,char ***args) 483 { 484 PetscFunctionBegin; 485 if (!PetscInitializeCalled && PetscFinalizeCalled) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ORDER,"You must call after PetscInitialize() but before PetscFinalize()"); 486 *argc = PetscGlobalArgc; 487 *args = PetscGlobalArgs; 488 PetscFunctionReturn(0); 489 } 490 491 #undef __FUNCT__ 492 #define __FUNCT__ "PetscGetArguments" 493 /*@C 494 PetscGetArguments - Allows you to access the command line arguments anywhere 495 after PetscInitialize() is called but before PetscFinalize(). 496 497 Not Collective 498 499 Output Parameters: 500 . args - the command line arguments 501 502 Level: intermediate 503 504 Notes: 505 This does NOT start with the program name and IS null terminated (final arg is void) 506 507 Concepts: command line arguments 508 509 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArgs(), PetscFreeArguments() 510 511 @*/ 512 PetscErrorCode PetscGetArguments(char ***args) 513 { 514 PetscInt i,argc = PetscGlobalArgc; 515 PetscErrorCode ierr; 516 517 PetscFunctionBegin; 518 if (!PetscInitializeCalled && PetscFinalizeCalled) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ORDER,"You must call after PetscInitialize() but before PetscFinalize()"); 519 if (!argc) {*args = 0; PetscFunctionReturn(0);} 520 ierr = PetscMalloc(argc*sizeof(char*),args);CHKERRQ(ierr); 521 for (i=0; i<argc-1; i++) { 522 ierr = PetscStrallocpy(PetscGlobalArgs[i+1],&(*args)[i]);CHKERRQ(ierr); 523 } 524 (*args)[argc-1] = 0; 525 PetscFunctionReturn(0); 526 } 527 528 #undef __FUNCT__ 529 #define __FUNCT__ "PetscFreeArguments" 530 /*@C 531 PetscFreeArguments - Frees the memory obtained with PetscGetArguments() 532 533 Not Collective 534 535 Output Parameters: 536 . args - the command line arguments 537 538 Level: intermediate 539 540 Concepts: command line arguments 541 542 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArgs(), PetscGetArguments() 543 544 @*/ 545 PetscErrorCode PetscFreeArguments(char **args) 546 { 547 PetscInt i = 0; 548 PetscErrorCode ierr; 549 550 PetscFunctionBegin; 551 if (!args) PetscFunctionReturn(0); 552 while (args[i]) { 553 ierr = PetscFree(args[i]);CHKERRQ(ierr); 554 i++; 555 } 556 ierr = PetscFree(args);CHKERRQ(ierr); 557 PetscFunctionReturn(0); 558 } 559 560 #if defined(PETSC_HAVE_SAWS) 561 #include <petscconfiginfo.h> 562 563 #undef __FUNCT__ 564 #define __FUNCT__ "PetscInitializeSAWs" 565 PetscErrorCode PetscInitializeSAWs(const char help[]) 566 { 567 if (!PetscGlobalRank) { 568 char cert[PETSC_MAX_PATH_LEN],root[PETSC_MAX_PATH_LEN],*intro,programname[64],*appline,*options,version[64]; 569 int port; 570 PetscBool flg,rootlocal = PETSC_FALSE,flg2; 571 size_t applinelen,introlen; 572 PetscErrorCode ierr; 573 574 ierr = PetscOptionsHasName(NULL,"-saws_log",&flg);CHKERRQ(ierr); 575 if (flg) { 576 char sawslog[PETSC_MAX_PATH_LEN]; 577 578 ierr = PetscOptionsGetString(NULL,"-saws_log",sawslog,PETSC_MAX_PATH_LEN,NULL);CHKERRQ(ierr); 579 if (sawslog[0]) { 580 PetscStackCallSAWs(SAWs_Set_Use_Logfile,(sawslog)); 581 } else { 582 PetscStackCallSAWs(SAWs_Set_Use_Logfile,(NULL)); 583 } 584 } 585 ierr = PetscOptionsGetString(NULL,"-saws_https",cert,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 586 if (flg) { 587 PetscStackCallSAWs(SAWs_Set_Use_HTTPS,(cert)); 588 } 589 ierr = PetscOptionsGetInt(NULL,"-saws_port",&port,&flg);CHKERRQ(ierr); 590 if (flg) { 591 PetscStackCallSAWs(SAWs_Set_Port,(port)); 592 } 593 ierr = PetscOptionsGetString(NULL,"-saws_root",root,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 594 if (flg) { 595 PetscStackCallSAWs(SAWs_Set_Document_Root,(root));CHKERRQ(ierr); 596 ierr = PetscStrcmp(root,".",&rootlocal);CHKERRQ(ierr); 597 } 598 ierr = PetscOptionsHasName(NULL,"-saws_local",&flg2);CHKERRQ(ierr); 599 if (flg2) { 600 char jsdir[PETSC_MAX_PATH_LEN]; 601 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"-saws_local option requires -saws_root option"); 602 ierr = PetscSNPrintf(jsdir,PETSC_MAX_PATH_LEN,"%s/js",root);CHKERRQ(ierr); 603 ierr = PetscTestDirectory(jsdir,'r',&flg);CHKERRQ(ierr); 604 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_FILE_READ,"-saws_local option requires js directory in root directory"); 605 PetscStackCallSAWs(SAWs_Set_Local_JSHeader,());CHKERRQ(ierr); 606 } 607 ierr = PetscGetProgramName(programname,64);CHKERRQ(ierr); 608 ierr = PetscStrlen(help,&applinelen);CHKERRQ(ierr); 609 introlen = 4096 + applinelen; 610 applinelen += 256; 611 ierr = PetscMalloc(applinelen,&appline);CHKERRQ(ierr); 612 ierr = PetscMalloc(introlen,&intro);CHKERRQ(ierr); 613 614 if (rootlocal) { 615 ierr = PetscSNPrintf(appline,applinelen,"%s.c.html",programname);CHKERRQ(ierr); 616 ierr = PetscTestFile(appline,'r',&rootlocal);CHKERRQ(ierr); 617 } 618 ierr = PetscOptionsGetAll(&options);CHKERRQ(ierr); 619 if (rootlocal && help) { 620 ierr = PetscSNPrintf(appline,applinelen,"<center> Running <a href=\"%s.c.html\">%s</a>%s</center><br><center><pre>%s</pre></center><br>\n",programname,programname,options,help); 621 } else if (help) { 622 ierr = PetscSNPrintf(appline,applinelen,"<center>Running %s %s</center><br><center><pre>%s</pre></center><br>\n",programname,options,help); 623 } else { 624 ierr = PetscSNPrintf(appline,applinelen,"<center> Running %s %s</center><br>\n",programname,options); 625 } 626 ierr = PetscFree(options);CHKERRQ(ierr); 627 ierr = PetscGetVersion(version,sizeof(version));CHKERRQ(ierr); 628 ierr = PetscSNPrintf(intro,introlen,"<body>\n" 629 "<center><h2> <a href=\"http://www.mcs.anl.gov/petsc\">PETSc</a> Application Web server powered by <a href=\"https://bitbucket.org/saws/saws\">SAWs</a> </h2></center>\n" 630 "<center>This is the default PETSc application dashboard, from it you can access any published PETSc objects or logging data</center><br><center>%s configured at %s with %s</center><br>\n" 631 "%s",version,petscconfigureruntime,petscconfigureoptions,appline); 632 PetscStackCallSAWs(SAWs_Set_Body,("index.html",0,intro)); 633 ierr = PetscFree(intro);CHKERRQ(ierr); 634 ierr = PetscFree(appline);CHKERRQ(ierr); 635 PetscStackCallSAWs(SAWs_Initialize,()); 636 ierr = PetscCitationsRegister("@TechReport{ saws," 637 "Author = {Matt Otten and Jed Brown and Barry Smith}," 638 "Title = {Scientific Application Web Server (SAWs) Users Manual}," 639 "Institution = {Argonne National Laboratory}," 640 "Year = 2013}",NULL);CHKERRQ(ierr); 641 } 642 PetscFunctionReturn(0); 643 } 644 #endif 645 646 #undef __FUNCT__ 647 #define __FUNCT__ "PetscInitialize" 648 /*@C 649 PetscInitialize - Initializes the PETSc database and MPI. 650 PetscInitialize() calls MPI_Init() if that has yet to be called, 651 so this routine should always be called near the beginning of 652 your program -- usually the very first line! 653 654 Collective on MPI_COMM_WORLD or PETSC_COMM_WORLD if it has been set 655 656 Input Parameters: 657 + argc - count of number of command line arguments 658 . args - the command line arguments 659 . file - [optional] PETSc database file, also checks ~username/.petscrc and .petscrc use NULL to not check for 660 code specific file. Use -skip_petscrc in the code specific file to skip the .petscrc files 661 - help - [optional] Help message to print, use NULL for no message 662 663 If you wish PETSc code to run ONLY on a subcommunicator of MPI_COMM_WORLD, create that 664 communicator first and assign it to PETSC_COMM_WORLD BEFORE calling PetscInitialize(). Thus if you are running a 665 four process job and two processes will run PETSc and have PetscInitialize() and PetscFinalize() and two process will not, 666 then do this. If ALL processes in the job are using PetscInitialize() and PetscFinalize() then you don't need to do this, even 667 if different subcommunicators of the job are doing different things with PETSc. 668 669 Options Database Keys: 670 + -start_in_debugger [noxterm,dbx,xdb,gdb,...] - Starts program in debugger 671 . -on_error_attach_debugger [noxterm,dbx,xdb,gdb,...] - Starts debugger when error detected 672 . -on_error_emacs <machinename> causes emacsclient to jump to error file 673 . -on_error_abort calls abort() when error detected (no traceback) 674 . -on_error_mpiabort calls MPI_abort() when error detected 675 . -error_output_stderr prints error messages to stderr instead of the default stdout 676 . -error_output_none does not print the error messages (but handles errors in the same way as if this was not called) 677 . -debugger_nodes [node1,node2,...] - Indicates nodes to start in debugger 678 . -debugger_pause [sleeptime] (in seconds) - Pauses debugger 679 . -stop_for_debugger - Print message on how to attach debugger manually to 680 process and wait (-debugger_pause) seconds for attachment 681 . -malloc - Indicates use of PETSc error-checking malloc (on by default for debug version of libraries) 682 . -malloc no - Indicates not to use error-checking malloc 683 . -malloc_debug - check for memory corruption at EVERY malloc or free 684 . -malloc_dump - prints a list of all unfreed memory at the end of the run 685 . -malloc_test - like -malloc_dump -malloc_debug, but only active for debugging builds 686 . -fp_trap - Stops on floating point exceptions (Note that on the 687 IBM RS6000 this slows code by at least a factor of 10.) 688 . -no_signal_handler - Indicates not to trap error signals 689 . -shared_tmp - indicates /tmp directory is shared by all processors 690 . -not_shared_tmp - each processor has own /tmp 691 . -tmp - alternative name of /tmp directory 692 . -get_total_flops - returns total flops done by all processors 693 - -memory_info - Print memory usage at end of run 694 695 Options Database Keys for Profiling: 696 See the <a href="../../docs/manual.pdf#nameddest=ch_profiling">profiling chapter of the users manual</a> for details. 697 + -info <optional filename> - Prints verbose information to the screen 698 . -info_exclude <null,vec,mat,pc,ksp,snes,ts> - Excludes some of the verbose messages 699 . -log_sync - Log the synchronization in scatters, inner products and norms 700 . -log_trace [filename] - Print traces of all PETSc calls to the screen (useful to determine where a program 701 hangs without running in the debugger). See PetscLogTraceBegin(). 702 . -log_summary [filename] - Prints summary of flop and timing information to screen. If the filename is specified the 703 summary is written to the file. See PetscLogView(). 704 . -log_summary_python [filename] - Prints data on of flop and timing usage to a file or screen. See PetscLogPrintSViewPython(). 705 . -log_all [filename] - Logs extensive profiling information See PetscLogDump(). 706 . -log [filename] - Logs basic profiline information See PetscLogDump(). 707 - -log_mpe [filename] - Creates a logfile viewable by the utility Jumpshot (in MPICH distribution) 708 709 Only one of -log_trace, -log_summary, -log_all, -log, or -log_mpe may be used at a time 710 711 Environmental Variables: 712 + PETSC_TMP - alternative tmp directory 713 . PETSC_SHARED_TMP - tmp is shared by all processes 714 . PETSC_NOT_SHARED_TMP - each process has its own private tmp 715 . PETSC_VIEWER_SOCKET_PORT - socket number to use for socket viewer 716 - PETSC_VIEWER_SOCKET_MACHINE - machine to use for socket viewer to connect to 717 718 719 Level: beginner 720 721 Notes: 722 If for some reason you must call MPI_Init() separately, call 723 it before PetscInitialize(). 724 725 Fortran Version: 726 In Fortran this routine has the format 727 $ call PetscInitialize(file,ierr) 728 729 + ierr - error return code 730 - file - [optional] PETSc database file, also checks ~username/.petscrc and .petscrc use NULL_CHARACTER to not check for 731 code specific file. Use -skip_petscrc in the code specific file to skip the .petscrc files 732 733 Important Fortran Note: 734 In Fortran, you MUST use NULL_CHARACTER to indicate a 735 null character string; you CANNOT just use NULL as 736 in the C version. See the <a href="../../docs/manual.pdf">users manual</a> for details. 737 738 If your main program is C but you call Fortran code that also uses PETSc you need to call PetscInitializeFortran() soon after 739 calling PetscInitialize(). 740 741 Concepts: initializing PETSc 742 743 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArgs(), PetscInitializeNoArguments() 744 745 @*/ 746 PetscErrorCode PetscInitialize(int *argc,char ***args,const char file[],const char help[]) 747 { 748 PetscErrorCode ierr; 749 PetscMPIInt flag, size; 750 PetscInt nodesize; 751 PetscBool flg; 752 char hostname[256]; 753 754 PetscFunctionBegin; 755 if (PetscInitializeCalled) PetscFunctionReturn(0); 756 757 /* these must be initialized in a routine, not as a constant declaration*/ 758 PETSC_STDOUT = stdout; 759 PETSC_STDERR = stderr; 760 761 ierr = PetscOptionsCreate();CHKERRQ(ierr); 762 763 /* 764 We initialize the program name here (before MPI_Init()) because MPICH has a bug in 765 it that it sets args[0] on all processors to be args[0] on the first processor. 766 */ 767 if (argc && *argc) { 768 ierr = PetscSetProgramName(**args);CHKERRQ(ierr); 769 } else { 770 ierr = PetscSetProgramName("Unknown Name");CHKERRQ(ierr); 771 } 772 773 ierr = MPI_Initialized(&flag);CHKERRQ(ierr); 774 if (!flag) { 775 if (PETSC_COMM_WORLD != MPI_COMM_NULL) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"You cannot set PETSC_COMM_WORLD if you have not initialized MPI first"); 776 #if defined(PETSC_HAVE_MPI_INIT_THREAD) 777 { 778 PetscMPIInt provided; 779 ierr = MPI_Init_thread(argc,args,MPI_THREAD_FUNNELED,&provided);CHKERRQ(ierr); 780 } 781 #else 782 ierr = MPI_Init(argc,args);CHKERRQ(ierr); 783 #endif 784 PetscBeganMPI = PETSC_TRUE; 785 } 786 if (argc && args) { 787 PetscGlobalArgc = *argc; 788 PetscGlobalArgs = *args; 789 } 790 PetscFinalizeCalled = PETSC_FALSE; 791 792 if (PETSC_COMM_WORLD == MPI_COMM_NULL) PETSC_COMM_WORLD = MPI_COMM_WORLD; 793 ierr = MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_RETURN);CHKERRQ(ierr); 794 795 /* Done after init due to a bug in MPICH-GM? */ 796 ierr = PetscErrorPrintfInitialize();CHKERRQ(ierr); 797 798 ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);CHKERRQ(ierr); 799 ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);CHKERRQ(ierr); 800 801 MPIU_BOOL = MPI_INT; 802 MPIU_ENUM = MPI_INT; 803 804 /* 805 Initialized the global complex variable; this is because with 806 shared libraries the constructors for global variables 807 are not called; at least on IRIX. 808 */ 809 #if defined(PETSC_HAVE_COMPLEX) 810 { 811 #if defined(PETSC_CLANGUAGE_CXX) 812 PetscComplex ic(0.0,1.0); 813 PETSC_i = ic; 814 #elif defined(PETSC_CLANGUAGE_C) 815 PETSC_i = _Complex_I; 816 #endif 817 } 818 819 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 820 ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 821 ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 822 ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);CHKERRQ(ierr); 823 ierr = MPI_Type_commit(&MPIU_C_COMPLEX);CHKERRQ(ierr); 824 #endif 825 #endif /* PETSC_HAVE_COMPLEX */ 826 827 /* 828 Create the PETSc MPI reduction operator that sums of the first 829 half of the entries and maxes the second half. 830 */ 831 ierr = MPI_Op_create(PetscMaxSum_Local,1,&PetscMaxSum_Op);CHKERRQ(ierr); 832 833 #if defined(PETSC_USE_REAL___FLOAT128) 834 ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);CHKERRQ(ierr); 835 ierr = MPI_Type_commit(&MPIU___FLOAT128);CHKERRQ(ierr); 836 #if defined(PETSC_HAVE_COMPLEX) 837 ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);CHKERRQ(ierr); 838 ierr = MPI_Type_commit(&MPIU___COMPLEX128);CHKERRQ(ierr); 839 #endif 840 ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);CHKERRQ(ierr); 841 ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);CHKERRQ(ierr); 842 #endif 843 844 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 845 ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);CHKERRQ(ierr); 846 #endif 847 848 ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);CHKERRQ(ierr); 849 ierr = MPI_Type_commit(&MPIU_2SCALAR);CHKERRQ(ierr); 850 ierr = MPI_Op_create(PetscADMax_Local,1,&PetscADMax_Op);CHKERRQ(ierr); 851 ierr = MPI_Op_create(PetscADMin_Local,1,&PetscADMin_Op);CHKERRQ(ierr); 852 853 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT) 854 ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);CHKERRQ(ierr); 855 ierr = MPI_Type_commit(&MPIU_2INT);CHKERRQ(ierr); 856 #endif 857 858 859 /* 860 Attributes to be set on PETSc communicators 861 */ 862 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelCounter,&Petsc_Counter_keyval,(void*)0);CHKERRQ(ierr); 863 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelComm_Outer,&Petsc_InnerComm_keyval,(void*)0);CHKERRQ(ierr); 864 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelComm_Inner,&Petsc_OuterComm_keyval,(void*)0);CHKERRQ(ierr); 865 866 /* 867 Build the options database 868 */ 869 ierr = PetscOptionsInsert(argc,args,file);CHKERRQ(ierr); 870 871 872 /* 873 Print main application help message 874 */ 875 ierr = PetscOptionsHasName(NULL,"-help",&flg);CHKERRQ(ierr); 876 if (help && flg) { 877 ierr = PetscPrintf(PETSC_COMM_WORLD,help);CHKERRQ(ierr); 878 } 879 ierr = PetscOptionsCheckInitial_Private();CHKERRQ(ierr); 880 881 ierr = PetscCitationsInitialize();CHKERRQ(ierr); 882 883 #if defined(PETSC_HAVE_SAWS) 884 ierr = PetscInitializeSAWs(help);CHKERRQ(ierr); 885 #endif 886 887 /* SHOULD PUT IN GUARDS: Make sure logging is initialized, even if we do not print it out */ 888 #if defined(PETSC_USE_LOG) 889 ierr = PetscLogBegin_Private();CHKERRQ(ierr); 890 #endif 891 892 /* 893 Load the dynamic libraries (on machines that support them), this registers all 894 the solvers etc. (On non-dynamic machines this initializes the PetscDraw and PetscViewer classes) 895 */ 896 ierr = PetscInitialize_DynamicLibraries();CHKERRQ(ierr); 897 898 ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 899 ierr = PetscInfo1(0,"PETSc successfully started: number of processors = %d\n",size);CHKERRQ(ierr); 900 ierr = PetscGetHostName(hostname,256);CHKERRQ(ierr); 901 ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);CHKERRQ(ierr); 902 903 ierr = PetscOptionsCheckInitial_Components();CHKERRQ(ierr); 904 /* Check the options database for options related to the options database itself */ 905 ierr = PetscOptionsSetFromOptions();CHKERRQ(ierr); 906 907 #if defined(PETSC_USE_PETSC_MPI_EXTERNAL32) 908 /* 909 Tell MPI about our own data representation converter, this would/should be used if extern32 is not supported by the MPI 910 911 Currently not used because it is not supported by MPICH. 912 */ 913 #if !defined(PETSC_WORDS_BIGENDIAN) 914 ierr = MPI_Register_datarep((char*)"petsc",PetscDataRep_read_conv_fn,PetscDataRep_write_conv_fn,PetscDataRep_extent_fn,NULL);CHKERRQ(ierr); 915 #endif 916 #endif 917 918 ierr = PetscOptionsGetInt(NULL,"-hmpi_spawn_size",&nodesize,&flg);CHKERRQ(ierr); 919 if (flg) { 920 #if defined(PETSC_HAVE_MPI_COMM_SPAWN) 921 ierr = PetscHMPISpawn((PetscMPIInt) nodesize);CHKERRQ(ierr); /* worker nodes never return from here; they go directly to PetscEnd() */ 922 #else 923 SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"PETSc built without MPI 2 (MPI_Comm_spawn) support, use -hmpi_merge_size instead"); 924 #endif 925 } else { 926 ierr = PetscOptionsGetInt(NULL,"-hmpi_merge_size",&nodesize,&flg);CHKERRQ(ierr); 927 if (flg) { 928 ierr = PetscHMPIMerge((PetscMPIInt) nodesize,NULL,NULL);CHKERRQ(ierr); 929 if (PetscHMPIWorker) { /* if worker then never enter user code */ 930 PetscInitializeCalled = PETSC_TRUE; 931 PetscEnd(); 932 } 933 } 934 } 935 936 #if defined(PETSC_HAVE_CUDA) 937 flg = PETSC_TRUE; 938 ierr = PetscOptionsGetBool(NULL,"-cublas",&flg,NULL);CHKERRQ(ierr); 939 if (flg) { 940 PetscMPIInt p; 941 for (p = 0; p < PetscGlobalSize; ++p) { 942 if (p == PetscGlobalRank) cublasInit(); 943 ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr); 944 } 945 } 946 #endif 947 948 ierr = PetscOptionsHasName(NULL,"-python",&flg);CHKERRQ(ierr); 949 if (flg) { 950 PetscInitializeCalled = PETSC_TRUE; 951 ierr = PetscPythonInitialize(NULL,NULL);CHKERRQ(ierr); 952 } 953 954 ierr = PetscThreadCommInitializePackage();CHKERRQ(ierr); 955 956 /* 957 Setup building of stack frames for all function calls 958 */ 959 PetscThreadLocalRegister((PetscThreadKey*)&petscstack); /* Creates pthread_key */ 960 #if defined(PETSC_USE_DEBUG) 961 ierr = PetscStackCreate();CHKERRQ(ierr); 962 #endif 963 964 #if defined(PETSC_SERIALIZE_FUNCTIONS) 965 ierr = PetscFPTCreate(10000);CHKERRQ(ierr); 966 #endif 967 968 969 /* 970 Once we are completedly initialized then we can set this variables 971 */ 972 PetscInitializeCalled = PETSC_TRUE; 973 PetscFunctionReturn(0); 974 } 975 976 #if defined(PETSC_USE_LOG) 977 extern PetscObject *PetscObjects; 978 extern PetscInt PetscObjectsCounts, PetscObjectsMaxCounts; 979 #endif 980 981 #undef __FUNCT__ 982 #define __FUNCT__ "PetscFinalize" 983 /*@C 984 PetscFinalize - Checks for options to be called at the conclusion 985 of the program. MPI_Finalize() is called only if the user had not 986 called MPI_Init() before calling PetscInitialize(). 987 988 Collective on PETSC_COMM_WORLD 989 990 Options Database Keys: 991 + -options_table - Calls PetscOptionsView() 992 . -options_left - Prints unused options that remain in the database 993 . -objects_dump [all] - Prints list of objects allocated by the user that have not been freed, the option all cause all outstanding objects to be listed 994 . -mpidump - Calls PetscMPIDump() 995 . -malloc_dump - Calls PetscMallocDump() 996 . -malloc_info - Prints total memory usage 997 - -malloc_log - Prints summary of memory usage 998 999 Level: beginner 1000 1001 Note: 1002 See PetscInitialize() for more general runtime options. 1003 1004 .seealso: PetscInitialize(), PetscOptionsView(), PetscMallocDump(), PetscMPIDump(), PetscEnd() 1005 @*/ 1006 PetscErrorCode PetscFinalize(void) 1007 { 1008 PetscErrorCode ierr; 1009 PetscMPIInt rank; 1010 PetscInt nopt; 1011 PetscBool flg1 = PETSC_FALSE,flg2 = PETSC_FALSE,flg3 = PETSC_FALSE; 1012 PetscBool flg; 1013 #if defined(PETSC_USE_LOG) 1014 char mname[PETSC_MAX_PATH_LEN]; 1015 #endif 1016 1017 PetscFunctionBegin; 1018 if (!PetscInitializeCalled) { 1019 printf("PetscInitialize() must be called before PetscFinalize()\n"); 1020 PetscFunctionReturn(PETSC_ERR_ARG_WRONGSTATE); 1021 } 1022 ierr = PetscInfo(NULL,"PetscFinalize() called\n");CHKERRQ(ierr); 1023 1024 ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr); 1025 1026 ierr = PetscOptionsHasName(NULL,"-citations",&flg);CHKERRQ(ierr); 1027 if (flg) { 1028 char *cits, filename[PETSC_MAX_PATH_LEN]; 1029 FILE *fd = PETSC_STDOUT; 1030 1031 ierr = PetscOptionsGetString(NULL,"-citations",filename,PETSC_MAX_PATH_LEN,NULL);CHKERRQ(ierr); 1032 if (filename[0]) { 1033 ierr = PetscFOpen(PETSC_COMM_WORLD,filename,"w",&fd);CHKERRQ(ierr); 1034 } 1035 ierr = PetscSegBufferGet(PetscCitationsList,1,&cits);CHKERRQ(ierr); 1036 cits[0] = 0; 1037 ierr = PetscSegBufferExtractAlloc(PetscCitationsList,&cits);CHKERRQ(ierr); 1038 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"If you publish results based on this computation please cite the following:\n");CHKERRQ(ierr); 1039 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"===========================================================================\n");CHKERRQ(ierr); 1040 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"%s",cits);CHKERRQ(ierr); 1041 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"===========================================================================\n");CHKERRQ(ierr); 1042 ierr = PetscFClose(PETSC_COMM_WORLD,fd);CHKERRQ(ierr); 1043 ierr = PetscFree(cits);CHKERRQ(ierr); 1044 } 1045 ierr = PetscSegBufferDestroy(&PetscCitationsList);CHKERRQ(ierr); 1046 1047 #if defined(PETSC_SERIALIZE_FUNCTIONS) 1048 ierr = PetscFPTDestroy();CHKERRQ(ierr); 1049 #endif 1050 1051 1052 #if defined(PETSC_HAVE_SAWS) 1053 flg = PETSC_FALSE; 1054 ierr = PetscOptionsGetBool(NULL,"-saw_options",&flg,NULL);CHKERRQ(ierr); 1055 if (flg) { 1056 ierr = PetscOptionsSAWsDestroy();CHKERRQ(ierr); 1057 } 1058 #endif 1059 1060 #if defined(PETSC_HAVE_X) 1061 flg1 = PETSC_FALSE; 1062 ierr = PetscOptionsGetBool(NULL,"-x_virtual",&flg1,NULL);CHKERRQ(ierr); 1063 if (flg1) { 1064 /* this is a crude hack, but better than nothing */ 1065 ierr = PetscPOpen(PETSC_COMM_WORLD,NULL,"pkill -9 Xvfb","r",NULL);CHKERRQ(ierr); 1066 } 1067 #endif 1068 1069 ierr = PetscHMPIFinalize();CHKERRQ(ierr); 1070 1071 ierr = PetscOptionsGetBool(NULL,"-malloc_info",&flg2,NULL);CHKERRQ(ierr); 1072 if (!flg2) { 1073 flg2 = PETSC_FALSE; 1074 ierr = PetscOptionsGetBool(NULL,"-memory_info",&flg2,NULL);CHKERRQ(ierr); 1075 } 1076 if (flg2) { 1077 ierr = PetscMemoryShowUsage(PETSC_VIEWER_STDOUT_WORLD,"Summary of Memory Usage in PETSc\n");CHKERRQ(ierr); 1078 } 1079 1080 #if defined(PETSC_USE_LOG) 1081 flg1 = PETSC_FALSE; 1082 ierr = PetscOptionsGetBool(NULL,"-get_total_flops",&flg1,NULL);CHKERRQ(ierr); 1083 if (flg1) { 1084 PetscLogDouble flops = 0; 1085 ierr = MPI_Reduce(&petsc_TotalFlops,&flops,1,MPI_DOUBLE,MPI_SUM,0,PETSC_COMM_WORLD);CHKERRQ(ierr); 1086 ierr = PetscPrintf(PETSC_COMM_WORLD,"Total flops over all processors %g\n",flops);CHKERRQ(ierr); 1087 } 1088 #endif 1089 1090 1091 #if defined(PETSC_USE_LOG) 1092 #if defined(PETSC_HAVE_MPE) 1093 mname[0] = 0; 1094 1095 ierr = PetscOptionsGetString(NULL,"-log_mpe",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1096 if (flg1) { 1097 if (mname[0]) {ierr = PetscLogMPEDump(mname);CHKERRQ(ierr);} 1098 else {ierr = PetscLogMPEDump(0);CHKERRQ(ierr);} 1099 } 1100 #endif 1101 mname[0] = 0; 1102 1103 ierr = PetscOptionsGetString(NULL,"-log_summary",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1104 if (flg1) { 1105 PetscViewer viewer; 1106 if (mname[0]) { 1107 ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,mname,&viewer);CHKERRQ(ierr); 1108 ierr = PetscLogView(viewer);CHKERRQ(ierr); 1109 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1110 } else { 1111 viewer = PETSC_VIEWER_STDOUT_WORLD; 1112 ierr = PetscLogView(viewer);CHKERRQ(ierr); 1113 } 1114 } 1115 1116 mname[0] = 0; 1117 1118 ierr = PetscOptionsGetString(NULL,"-log_summary_python",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1119 if (flg1) { 1120 PetscViewer viewer; 1121 if (mname[0]) { 1122 ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,mname,&viewer);CHKERRQ(ierr); 1123 ierr = PetscLogViewPython(viewer);CHKERRQ(ierr); 1124 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1125 } else { 1126 viewer = PETSC_VIEWER_STDOUT_WORLD; 1127 ierr = PetscLogViewPython(viewer);CHKERRQ(ierr); 1128 } 1129 } 1130 1131 ierr = PetscOptionsGetString(NULL,"-log_detailed",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1132 if (flg1) { 1133 if (mname[0]) {ierr = PetscLogPrintDetailed(PETSC_COMM_WORLD,mname);CHKERRQ(ierr);} 1134 else {ierr = PetscLogPrintDetailed(PETSC_COMM_WORLD,0);CHKERRQ(ierr);} 1135 } 1136 1137 mname[0] = 0; 1138 1139 ierr = PetscOptionsGetString(NULL,"-log_all",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1140 ierr = PetscOptionsGetString(NULL,"-log",mname,PETSC_MAX_PATH_LEN,&flg2);CHKERRQ(ierr); 1141 if (flg1 || flg2) { 1142 if (mname[0]) PetscLogDump(mname); 1143 else PetscLogDump(0); 1144 } 1145 #endif 1146 1147 /* 1148 Free all objects registered with PetscObjectRegisterDestroy() such as PETSC_VIEWER_XXX_(). 1149 */ 1150 ierr = PetscObjectRegisterDestroyAll();CHKERRQ(ierr); 1151 1152 ierr = PetscStackDestroy();CHKERRQ(ierr); 1153 PetscThreadLocalDestroy((PetscThreadKey)petscstack); /* Deletes pthread_key */ 1154 1155 flg1 = PETSC_FALSE; 1156 ierr = PetscOptionsGetBool(NULL,"-no_signal_handler",&flg1,NULL);CHKERRQ(ierr); 1157 if (!flg1) { ierr = PetscPopSignalHandler();CHKERRQ(ierr);} 1158 flg1 = PETSC_FALSE; 1159 ierr = PetscOptionsGetBool(NULL,"-mpidump",&flg1,NULL);CHKERRQ(ierr); 1160 if (flg1) { 1161 ierr = PetscMPIDump(stdout);CHKERRQ(ierr); 1162 } 1163 flg1 = PETSC_FALSE; 1164 flg2 = PETSC_FALSE; 1165 /* preemptive call to avoid listing this option in options table as unused */ 1166 ierr = PetscOptionsHasName(NULL,"-malloc_dump",&flg1);CHKERRQ(ierr); 1167 ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr); 1168 ierr = PetscOptionsGetBool(NULL,"-options_table",&flg2,NULL);CHKERRQ(ierr); 1169 1170 if (flg2) { 1171 PetscViewer viewer; 1172 ierr = PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr); 1173 ierr = PetscOptionsView(viewer);CHKERRQ(ierr); 1174 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1175 } 1176 1177 /* to prevent PETSc -options_left from warning */ 1178 ierr = PetscOptionsHasName(NULL,"-nox",&flg1);CHKERRQ(ierr); 1179 ierr = PetscOptionsHasName(NULL,"-nox_warning",&flg1);CHKERRQ(ierr); 1180 1181 if (!PetscHMPIWorker) { /* worker processes skip this because they do not usually process options */ 1182 flg3 = PETSC_FALSE; /* default value is required */ 1183 ierr = PetscOptionsGetBool(NULL,"-options_left",&flg3,&flg1);CHKERRQ(ierr); 1184 ierr = PetscOptionsAllUsed(&nopt);CHKERRQ(ierr); 1185 if (flg3) { 1186 if (!flg2) { /* have not yet printed the options */ 1187 PetscViewer viewer; 1188 ierr = PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr); 1189 ierr = PetscOptionsView(viewer);CHKERRQ(ierr); 1190 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1191 } 1192 if (!nopt) { 1193 ierr = PetscPrintf(PETSC_COMM_WORLD,"There are no unused options.\n");CHKERRQ(ierr); 1194 } else if (nopt == 1) { 1195 ierr = PetscPrintf(PETSC_COMM_WORLD,"There is one unused database option. It is:\n");CHKERRQ(ierr); 1196 } else { 1197 ierr = PetscPrintf(PETSC_COMM_WORLD,"There are %D unused database options. They are:\n",nopt);CHKERRQ(ierr); 1198 } 1199 } 1200 #if defined(PETSC_USE_DEBUG) 1201 if (nopt && !flg3 && !flg1) { 1202 ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! There are options you set that were not used!\n");CHKERRQ(ierr); 1203 ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! could be spelling mistake, etc!\n");CHKERRQ(ierr); 1204 ierr = PetscOptionsLeft();CHKERRQ(ierr); 1205 } else if (nopt && flg3) { 1206 #else 1207 if (nopt && flg3) { 1208 #endif 1209 ierr = PetscOptionsLeft();CHKERRQ(ierr); 1210 } 1211 } 1212 1213 #if defined(PETSC_HAVE_SAWS) 1214 if (!PetscGlobalRank) { 1215 ierr = PetscStackSAWsViewOff();CHKERRQ(ierr); 1216 PetscStackCallSAWs(SAWs_Finalize,()); 1217 } 1218 #endif 1219 1220 { 1221 PetscThreadComm tcomm_world; 1222 ierr = PetscGetThreadCommWorld(&tcomm_world);CHKERRQ(ierr); 1223 /* Free global thread communicator */ 1224 ierr = PetscThreadCommDestroy(&tcomm_world);CHKERRQ(ierr); 1225 } 1226 1227 #if defined(PETSC_USE_LOG) 1228 /* 1229 List all objects the user may have forgot to free 1230 */ 1231 ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr); 1232 if (flg1) { 1233 MPI_Comm local_comm; 1234 char string[64]; 1235 1236 ierr = PetscOptionsGetString(NULL,"-objects_dump",string,64,NULL);CHKERRQ(ierr); 1237 ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr); 1238 ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr); 1239 ierr = PetscObjectsDump(stdout,(string[0] == 'a') ? PETSC_TRUE : PETSC_FALSE);CHKERRQ(ierr); 1240 ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr); 1241 ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr); 1242 } 1243 #endif 1244 1245 #if defined(PETSC_USE_LOG) 1246 PetscObjectsCounts = 0; 1247 PetscObjectsMaxCounts = 0; 1248 ierr = PetscFree(PetscObjects);CHKERRQ(ierr); 1249 #endif 1250 1251 #if defined(PETSC_USE_LOG) 1252 ierr = PetscLogDestroy();CHKERRQ(ierr); 1253 #endif 1254 1255 /* 1256 Destroy any packages that registered a finalize 1257 */ 1258 ierr = PetscRegisterFinalizeAll();CHKERRQ(ierr); 1259 1260 /* 1261 Destroy all the function registration lists created 1262 */ 1263 ierr = PetscFinalize_DynamicLibraries();CHKERRQ(ierr); 1264 1265 /* 1266 Print PetscFunctionLists that have not been properly freed 1267 1268 ierr = PetscFunctionListPrintAll();CHKERRQ(ierr); 1269 */ 1270 1271 if (petsc_history) { 1272 ierr = PetscCloseHistoryFile(&petsc_history);CHKERRQ(ierr); 1273 petsc_history = 0; 1274 } 1275 1276 ierr = PetscInfoAllow(PETSC_FALSE,NULL);CHKERRQ(ierr); 1277 1278 { 1279 char fname[PETSC_MAX_PATH_LEN]; 1280 FILE *fd; 1281 int err; 1282 1283 fname[0] = 0; 1284 1285 ierr = PetscOptionsGetString(NULL,"-malloc_dump",fname,250,&flg1);CHKERRQ(ierr); 1286 flg2 = PETSC_FALSE; 1287 ierr = PetscOptionsGetBool(NULL,"-malloc_test",&flg2,NULL);CHKERRQ(ierr); 1288 #if defined(PETSC_USE_DEBUG) 1289 if (PETSC_RUNNING_ON_VALGRIND) flg2 = PETSC_FALSE; 1290 #else 1291 flg2 = PETSC_FALSE; /* Skip reporting for optimized builds regardless of -malloc_test */ 1292 #endif 1293 if (flg1 && fname[0]) { 1294 char sname[PETSC_MAX_PATH_LEN]; 1295 1296 sprintf(sname,"%s_%d",fname,rank); 1297 fd = fopen(sname,"w"); if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",sname); 1298 ierr = PetscMallocDump(fd);CHKERRQ(ierr); 1299 err = fclose(fd); 1300 if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file"); 1301 } else if (flg1 || flg2) { 1302 MPI_Comm local_comm; 1303 1304 ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr); 1305 ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr); 1306 ierr = PetscMallocDump(stdout);CHKERRQ(ierr); 1307 ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr); 1308 ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr); 1309 } 1310 } 1311 1312 { 1313 char fname[PETSC_MAX_PATH_LEN]; 1314 FILE *fd = NULL; 1315 1316 fname[0] = 0; 1317 1318 ierr = PetscOptionsGetString(NULL,"-malloc_log",fname,250,&flg1);CHKERRQ(ierr); 1319 ierr = PetscOptionsHasName(NULL,"-malloc_log_threshold",&flg2);CHKERRQ(ierr); 1320 if (flg1 && fname[0]) { 1321 int err; 1322 1323 if (!rank) { 1324 fd = fopen(fname,"w"); 1325 if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",fname); 1326 } 1327 ierr = PetscMallocDumpLog(fd);CHKERRQ(ierr); 1328 if (fd) { 1329 err = fclose(fd); 1330 if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file"); 1331 } 1332 } else if (flg1 || flg2) { 1333 ierr = PetscMallocDumpLog(stdout);CHKERRQ(ierr); 1334 } 1335 } 1336 1337 #if defined(PETSC_HAVE_CUDA) 1338 flg = PETSC_TRUE; 1339 ierr = PetscOptionsGetBool(NULL,"-cublas",&flg,NULL);CHKERRQ(ierr); 1340 if (flg) { 1341 PetscInt p; 1342 for (p = 0; p < PetscGlobalSize; ++p) { 1343 if (p == PetscGlobalRank) cublasShutdown(); 1344 ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr); 1345 } 1346 } 1347 #endif 1348 1349 /* Can be destroyed only after all the options are used */ 1350 ierr = PetscOptionsDestroy();CHKERRQ(ierr); 1351 1352 PetscGlobalArgc = 0; 1353 PetscGlobalArgs = 0; 1354 1355 #if defined(PETSC_USE_REAL___FLOAT128) 1356 ierr = MPI_Type_free(&MPIU___FLOAT128);CHKERRQ(ierr); 1357 #if defined(PETSC_HAVE_COMPLEX) 1358 ierr = MPI_Type_free(&MPIU___COMPLEX128);CHKERRQ(ierr); 1359 #endif 1360 ierr = MPI_Op_free(&MPIU_MAX);CHKERRQ(ierr); 1361 ierr = MPI_Op_free(&MPIU_MIN);CHKERRQ(ierr); 1362 #endif 1363 1364 #if defined(PETSC_HAVE_COMPLEX) 1365 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 1366 ierr = MPI_Type_free(&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 1367 ierr = MPI_Type_free(&MPIU_C_COMPLEX);CHKERRQ(ierr); 1368 #endif 1369 #endif 1370 1371 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 1372 ierr = MPI_Op_free(&MPIU_SUM);CHKERRQ(ierr); 1373 #endif 1374 1375 ierr = MPI_Type_free(&MPIU_2SCALAR);CHKERRQ(ierr); 1376 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT) 1377 ierr = MPI_Type_free(&MPIU_2INT);CHKERRQ(ierr); 1378 #endif 1379 ierr = MPI_Op_free(&PetscMaxSum_Op);CHKERRQ(ierr); 1380 ierr = MPI_Op_free(&PetscADMax_Op);CHKERRQ(ierr); 1381 ierr = MPI_Op_free(&PetscADMin_Op);CHKERRQ(ierr); 1382 1383 /* 1384 Destroy any known inner MPI_Comm's and attributes pointing to them 1385 Note this will not destroy any new communicators the user has created. 1386 1387 If all PETSc objects were not destroyed those left over objects will have hanging references to 1388 the MPI_Comms that were freed; but that is ok because those PETSc objects will never be used again 1389 */ 1390 { 1391 PetscCommCounter *counter; 1392 PetscMPIInt flg; 1393 MPI_Comm icomm; 1394 union {MPI_Comm comm; void *ptr;} ucomm; 1395 ierr = MPI_Attr_get(PETSC_COMM_SELF,Petsc_InnerComm_keyval,&ucomm,&flg);CHKERRQ(ierr); 1396 if (flg) { 1397 icomm = ucomm.comm; 1398 ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr); 1399 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory"); 1400 1401 ierr = MPI_Attr_delete(PETSC_COMM_SELF,Petsc_InnerComm_keyval);CHKERRQ(ierr); 1402 ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr); 1403 ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr); 1404 } 1405 ierr = MPI_Attr_get(PETSC_COMM_WORLD,Petsc_InnerComm_keyval,&ucomm,&flg);CHKERRQ(ierr); 1406 if (flg) { 1407 icomm = ucomm.comm; 1408 ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr); 1409 if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory"); 1410 1411 ierr = MPI_Attr_delete(PETSC_COMM_WORLD,Petsc_InnerComm_keyval);CHKERRQ(ierr); 1412 ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr); 1413 ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr); 1414 } 1415 } 1416 1417 ierr = MPI_Keyval_free(&Petsc_Counter_keyval);CHKERRQ(ierr); 1418 ierr = MPI_Keyval_free(&Petsc_InnerComm_keyval);CHKERRQ(ierr); 1419 ierr = MPI_Keyval_free(&Petsc_OuterComm_keyval);CHKERRQ(ierr); 1420 1421 if (PetscBeganMPI) { 1422 #if defined(PETSC_HAVE_MPI_FINALIZED) 1423 PetscMPIInt flag; 1424 ierr = MPI_Finalized(&flag);CHKERRQ(ierr); 1425 if (flag) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"MPI_Finalize() has already been called, even though MPI_Init() was called by PetscInitialize()"); 1426 #endif 1427 ierr = MPI_Finalize();CHKERRQ(ierr); 1428 } 1429 /* 1430 1431 Note: In certain cases PETSC_COMM_WORLD is never MPI_Comm_free()ed because 1432 the communicator has some outstanding requests on it. Specifically if the 1433 flag PETSC_HAVE_BROKEN_REQUEST_FREE is set (for IBM MPI implementation). See 1434 src/vec/utils/vpscat.c. Due to this the memory allocated in PetscCommDuplicate() 1435 is never freed as it should be. Thus one may obtain messages of the form 1436 [ 1] 8 bytes PetscCommDuplicate() line 645 in src/sys/mpiu.c indicating the 1437 memory was not freed. 1438 1439 */ 1440 ierr = PetscMallocClear();CHKERRQ(ierr); 1441 1442 PetscInitializeCalled = PETSC_FALSE; 1443 PetscFinalizeCalled = PETSC_TRUE; 1444 PetscFunctionReturn(ierr); 1445 } 1446 1447 #if defined(PETSC_MISSING_LAPACK_lsame_) 1448 PETSC_EXTERN int lsame_(char *a,char *b) 1449 { 1450 if (*a == *b) return 1; 1451 if (*a + 32 == *b) return 1; 1452 if (*a - 32 == *b) return 1; 1453 return 0; 1454 } 1455 #endif 1456 1457 #if defined(PETSC_MISSING_LAPACK_lsame) 1458 PETSC_EXTERN int lsame(char *a,char *b) 1459 { 1460 if (*a == *b) return 1; 1461 if (*a + 32 == *b) return 1; 1462 if (*a - 32 == *b) return 1; 1463 return 0; 1464 } 1465 #endif 1466