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 = PetscMalloc1(size,&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 = PetscMalloc1(argc,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 } else { 598 ierr = PetscOptionsHasName(NULL,"-saws_options",&flg);CHKERRQ(ierr); 599 if (flg) { 600 ierr = PetscStrreplace(PETSC_COMM_WORLD,"${PETSC_DIR}/saws",root,PETSC_MAX_PATH_LEN);CHKERRQ(ierr); 601 PetscStackCallSAWs(SAWs_Set_Document_Root,(root));CHKERRQ(ierr); 602 } 603 } 604 ierr = PetscOptionsHasName(NULL,"-saws_local",&flg2);CHKERRQ(ierr); 605 if (flg2) { 606 char jsdir[PETSC_MAX_PATH_LEN]; 607 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"-saws_local option requires -saws_root option"); 608 ierr = PetscSNPrintf(jsdir,PETSC_MAX_PATH_LEN,"%s/js",root);CHKERRQ(ierr); 609 ierr = PetscTestDirectory(jsdir,'r',&flg);CHKERRQ(ierr); 610 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_FILE_READ,"-saws_local option requires js directory in root directory"); 611 PetscStackCallSAWs(SAWs_Push_Local_Header,());CHKERRQ(ierr); 612 } 613 ierr = PetscGetProgramName(programname,64);CHKERRQ(ierr); 614 ierr = PetscStrlen(help,&applinelen);CHKERRQ(ierr); 615 introlen = 4096 + applinelen; 616 applinelen += 256; 617 ierr = PetscMalloc(applinelen,&appline);CHKERRQ(ierr); 618 ierr = PetscMalloc(introlen,&intro);CHKERRQ(ierr); 619 620 if (rootlocal) { 621 ierr = PetscSNPrintf(appline,applinelen,"%s.c.html",programname);CHKERRQ(ierr); 622 ierr = PetscTestFile(appline,'r',&rootlocal);CHKERRQ(ierr); 623 } 624 ierr = PetscOptionsGetAll(&options);CHKERRQ(ierr); 625 if (rootlocal && help) { 626 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); 627 } else if (help) { 628 ierr = PetscSNPrintf(appline,applinelen,"<center>Running %s %s</center><br><center><pre>%s</pre></center><br>\n",programname,options,help); 629 } else { 630 ierr = PetscSNPrintf(appline,applinelen,"<center> Running %s %s</center><br>\n",programname,options); 631 } 632 ierr = PetscFree(options);CHKERRQ(ierr); 633 ierr = PetscGetVersion(version,sizeof(version));CHKERRQ(ierr); 634 ierr = PetscSNPrintf(intro,introlen,"<body>\n" 635 "<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" 636 "<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" 637 "%s",version,petscconfigureruntime,petscconfigureoptions,appline); 638 PetscStackCallSAWs(SAWs_Push_Body,("index.html",0,intro)); 639 ierr = PetscFree(intro);CHKERRQ(ierr); 640 ierr = PetscFree(appline);CHKERRQ(ierr); 641 PetscStackCallSAWs(SAWs_Initialize,()); 642 ierr = PetscCitationsRegister("@TechReport{ saws," 643 "Author = {Matt Otten and Jed Brown and Barry Smith}," 644 "Title = {Scientific Application Web Server (SAWs) Users Manual}," 645 "Institution = {Argonne National Laboratory}," 646 "Year = 2013}",NULL);CHKERRQ(ierr); 647 } 648 PetscFunctionReturn(0); 649 } 650 #endif 651 652 #undef __FUNCT__ 653 #define __FUNCT__ "PetscInitialize" 654 /*@C 655 PetscInitialize - Initializes the PETSc database and MPI. 656 PetscInitialize() calls MPI_Init() if that has yet to be called, 657 so this routine should always be called near the beginning of 658 your program -- usually the very first line! 659 660 Collective on MPI_COMM_WORLD or PETSC_COMM_WORLD if it has been set 661 662 Input Parameters: 663 + argc - count of number of command line arguments 664 . args - the command line arguments 665 . file - [optional] PETSc database file, also checks ~username/.petscrc and .petscrc use NULL to not check for 666 code specific file. Use -skip_petscrc in the code specific file to skip the .petscrc files 667 - help - [optional] Help message to print, use NULL for no message 668 669 If you wish PETSc code to run ONLY on a subcommunicator of MPI_COMM_WORLD, create that 670 communicator first and assign it to PETSC_COMM_WORLD BEFORE calling PetscInitialize(). Thus if you are running a 671 four process job and two processes will run PETSc and have PetscInitialize() and PetscFinalize() and two process will not, 672 then do this. If ALL processes in the job are using PetscInitialize() and PetscFinalize() then you don't need to do this, even 673 if different subcommunicators of the job are doing different things with PETSc. 674 675 Options Database Keys: 676 + -start_in_debugger [noxterm,dbx,xdb,gdb,...] - Starts program in debugger 677 . -on_error_attach_debugger [noxterm,dbx,xdb,gdb,...] - Starts debugger when error detected 678 . -on_error_emacs <machinename> causes emacsclient to jump to error file 679 . -on_error_abort calls abort() when error detected (no traceback) 680 . -on_error_mpiabort calls MPI_abort() when error detected 681 . -error_output_stderr prints error messages to stderr instead of the default stdout 682 . -error_output_none does not print the error messages (but handles errors in the same way as if this was not called) 683 . -debugger_nodes [node1,node2,...] - Indicates nodes to start in debugger 684 . -debugger_pause [sleeptime] (in seconds) - Pauses debugger 685 . -stop_for_debugger - Print message on how to attach debugger manually to 686 process and wait (-debugger_pause) seconds for attachment 687 . -malloc - Indicates use of PETSc error-checking malloc (on by default for debug version of libraries) 688 . -malloc no - Indicates not to use error-checking malloc 689 . -malloc_debug - check for memory corruption at EVERY malloc or free 690 . -malloc_dump - prints a list of all unfreed memory at the end of the run 691 . -malloc_test - like -malloc_dump -malloc_debug, but only active for debugging builds 692 . -fp_trap - Stops on floating point exceptions (Note that on the 693 IBM RS6000 this slows code by at least a factor of 10.) 694 . -no_signal_handler - Indicates not to trap error signals 695 . -shared_tmp - indicates /tmp directory is shared by all processors 696 . -not_shared_tmp - each processor has own /tmp 697 . -tmp - alternative name of /tmp directory 698 . -get_total_flops - returns total flops done by all processors 699 - -memory_info - Print memory usage at end of run 700 701 Options Database Keys for Profiling: 702 See the <a href="../../docs/manual.pdf#nameddest=ch_profiling">profiling chapter of the users manual</a> for details. 703 + -info <optional filename> - Prints verbose information to the screen 704 . -info_exclude <null,vec,mat,pc,ksp,snes,ts> - Excludes some of the verbose messages 705 . -log_sync - Log the synchronization in scatters, inner products and norms 706 . -log_trace [filename] - Print traces of all PETSc calls to the screen (useful to determine where a program 707 hangs without running in the debugger). See PetscLogTraceBegin(). 708 . -log_summary [filename] - Prints summary of flop and timing information to screen. If the filename is specified the 709 summary is written to the file. See PetscLogView(). 710 . -log_summary_python [filename] - Prints data on of flop and timing usage to a file or screen. See PetscLogPrintSViewPython(). 711 . -log_all [filename] - Logs extensive profiling information See PetscLogDump(). 712 . -log [filename] - Logs basic profiline information See PetscLogDump(). 713 - -log_mpe [filename] - Creates a logfile viewable by the utility Jumpshot (in MPICH distribution) 714 715 Only one of -log_trace, -log_summary, -log_all, -log, or -log_mpe may be used at a time 716 717 Environmental Variables: 718 + PETSC_TMP - alternative tmp directory 719 . PETSC_SHARED_TMP - tmp is shared by all processes 720 . PETSC_NOT_SHARED_TMP - each process has its own private tmp 721 . PETSC_VIEWER_SOCKET_PORT - socket number to use for socket viewer 722 - PETSC_VIEWER_SOCKET_MACHINE - machine to use for socket viewer to connect to 723 724 725 Level: beginner 726 727 Notes: 728 If for some reason you must call MPI_Init() separately, call 729 it before PetscInitialize(). 730 731 Fortran Version: 732 In Fortran this routine has the format 733 $ call PetscInitialize(file,ierr) 734 735 + ierr - error return code 736 - file - [optional] PETSc database file, also checks ~username/.petscrc and .petscrc use NULL_CHARACTER to not check for 737 code specific file. Use -skip_petscrc in the code specific file to skip the .petscrc files 738 739 Important Fortran Note: 740 In Fortran, you MUST use NULL_CHARACTER to indicate a 741 null character string; you CANNOT just use NULL as 742 in the C version. See the <a href="../../docs/manual.pdf">users manual</a> for details. 743 744 If your main program is C but you call Fortran code that also uses PETSc you need to call PetscInitializeFortran() soon after 745 calling PetscInitialize(). 746 747 Concepts: initializing PETSc 748 749 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArgs(), PetscInitializeNoArguments() 750 751 @*/ 752 PetscErrorCode PetscInitialize(int *argc,char ***args,const char file[],const char help[]) 753 { 754 PetscErrorCode ierr; 755 PetscMPIInt flag, size; 756 PetscInt nodesize; 757 PetscBool flg; 758 char hostname[256]; 759 760 PetscFunctionBegin; 761 if (PetscInitializeCalled) PetscFunctionReturn(0); 762 763 /* these must be initialized in a routine, not as a constant declaration*/ 764 PETSC_STDOUT = stdout; 765 PETSC_STDERR = stderr; 766 767 ierr = PetscOptionsCreate();CHKERRQ(ierr); 768 769 /* 770 We initialize the program name here (before MPI_Init()) because MPICH has a bug in 771 it that it sets args[0] on all processors to be args[0] on the first processor. 772 */ 773 if (argc && *argc) { 774 ierr = PetscSetProgramName(**args);CHKERRQ(ierr); 775 } else { 776 ierr = PetscSetProgramName("Unknown Name");CHKERRQ(ierr); 777 } 778 779 ierr = MPI_Initialized(&flag);CHKERRQ(ierr); 780 if (!flag) { 781 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"); 782 #if defined(PETSC_HAVE_MPI_INIT_THREAD) 783 { 784 PetscMPIInt provided; 785 ierr = MPI_Init_thread(argc,args,MPI_THREAD_FUNNELED,&provided);CHKERRQ(ierr); 786 } 787 #else 788 ierr = MPI_Init(argc,args);CHKERRQ(ierr); 789 #endif 790 PetscBeganMPI = PETSC_TRUE; 791 } 792 if (argc && args) { 793 PetscGlobalArgc = *argc; 794 PetscGlobalArgs = *args; 795 } 796 PetscFinalizeCalled = PETSC_FALSE; 797 798 if (PETSC_COMM_WORLD == MPI_COMM_NULL) PETSC_COMM_WORLD = MPI_COMM_WORLD; 799 ierr = MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_RETURN);CHKERRQ(ierr); 800 801 /* Done after init due to a bug in MPICH-GM? */ 802 ierr = PetscErrorPrintfInitialize();CHKERRQ(ierr); 803 804 ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);CHKERRQ(ierr); 805 ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);CHKERRQ(ierr); 806 807 MPIU_BOOL = MPI_INT; 808 MPIU_ENUM = MPI_INT; 809 810 /* 811 Initialized the global complex variable; this is because with 812 shared libraries the constructors for global variables 813 are not called; at least on IRIX. 814 */ 815 #if defined(PETSC_HAVE_COMPLEX) 816 { 817 #if defined(PETSC_CLANGUAGE_CXX) 818 PetscComplex ic(0.0,1.0); 819 PETSC_i = ic; 820 #elif defined(PETSC_CLANGUAGE_C) 821 PETSC_i = _Complex_I; 822 #endif 823 } 824 825 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 826 ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 827 ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 828 ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);CHKERRQ(ierr); 829 ierr = MPI_Type_commit(&MPIU_C_COMPLEX);CHKERRQ(ierr); 830 #endif 831 #endif /* PETSC_HAVE_COMPLEX */ 832 833 /* 834 Create the PETSc MPI reduction operator that sums of the first 835 half of the entries and maxes the second half. 836 */ 837 ierr = MPI_Op_create(PetscMaxSum_Local,1,&PetscMaxSum_Op);CHKERRQ(ierr); 838 839 #if defined(PETSC_USE_REAL___FLOAT128) 840 ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);CHKERRQ(ierr); 841 ierr = MPI_Type_commit(&MPIU___FLOAT128);CHKERRQ(ierr); 842 #if defined(PETSC_HAVE_COMPLEX) 843 ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);CHKERRQ(ierr); 844 ierr = MPI_Type_commit(&MPIU___COMPLEX128);CHKERRQ(ierr); 845 #endif 846 ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);CHKERRQ(ierr); 847 ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);CHKERRQ(ierr); 848 #endif 849 850 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 851 ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);CHKERRQ(ierr); 852 #endif 853 854 ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);CHKERRQ(ierr); 855 ierr = MPI_Type_commit(&MPIU_2SCALAR);CHKERRQ(ierr); 856 ierr = MPI_Op_create(PetscADMax_Local,1,&PetscADMax_Op);CHKERRQ(ierr); 857 ierr = MPI_Op_create(PetscADMin_Local,1,&PetscADMin_Op);CHKERRQ(ierr); 858 859 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT) 860 ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);CHKERRQ(ierr); 861 ierr = MPI_Type_commit(&MPIU_2INT);CHKERRQ(ierr); 862 #endif 863 864 865 /* 866 Attributes to be set on PETSc communicators 867 */ 868 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelCounter,&Petsc_Counter_keyval,(void*)0);CHKERRQ(ierr); 869 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelComm_Outer,&Petsc_InnerComm_keyval,(void*)0);CHKERRQ(ierr); 870 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelComm_Inner,&Petsc_OuterComm_keyval,(void*)0);CHKERRQ(ierr); 871 872 /* 873 Build the options database 874 */ 875 ierr = PetscOptionsInsert(argc,args,file);CHKERRQ(ierr); 876 877 878 /* 879 Print main application help message 880 */ 881 ierr = PetscOptionsHasName(NULL,"-help",&flg);CHKERRQ(ierr); 882 if (help && flg) { 883 ierr = PetscPrintf(PETSC_COMM_WORLD,help);CHKERRQ(ierr); 884 } 885 ierr = PetscOptionsCheckInitial_Private();CHKERRQ(ierr); 886 887 ierr = PetscCitationsInitialize();CHKERRQ(ierr); 888 889 #if defined(PETSC_HAVE_SAWS) 890 ierr = PetscInitializeSAWs(help);CHKERRQ(ierr); 891 #endif 892 893 /* SHOULD PUT IN GUARDS: Make sure logging is initialized, even if we do not print it out */ 894 #if defined(PETSC_USE_LOG) 895 ierr = PetscLogBegin_Private();CHKERRQ(ierr); 896 #endif 897 898 /* 899 Load the dynamic libraries (on machines that support them), this registers all 900 the solvers etc. (On non-dynamic machines this initializes the PetscDraw and PetscViewer classes) 901 */ 902 ierr = PetscInitialize_DynamicLibraries();CHKERRQ(ierr); 903 904 ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 905 ierr = PetscInfo1(0,"PETSc successfully started: number of processors = %d\n",size);CHKERRQ(ierr); 906 ierr = PetscGetHostName(hostname,256);CHKERRQ(ierr); 907 ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);CHKERRQ(ierr); 908 909 ierr = PetscOptionsCheckInitial_Components();CHKERRQ(ierr); 910 /* Check the options database for options related to the options database itself */ 911 ierr = PetscOptionsSetFromOptions();CHKERRQ(ierr); 912 913 #if defined(PETSC_USE_PETSC_MPI_EXTERNAL32) 914 /* 915 Tell MPI about our own data representation converter, this would/should be used if extern32 is not supported by the MPI 916 917 Currently not used because it is not supported by MPICH. 918 */ 919 #if !defined(PETSC_WORDS_BIGENDIAN) 920 ierr = MPI_Register_datarep((char*)"petsc",PetscDataRep_read_conv_fn,PetscDataRep_write_conv_fn,PetscDataRep_extent_fn,NULL);CHKERRQ(ierr); 921 #endif 922 #endif 923 924 ierr = PetscOptionsGetInt(NULL,"-hmpi_spawn_size",&nodesize,&flg);CHKERRQ(ierr); 925 if (flg) { 926 #if defined(PETSC_HAVE_MPI_COMM_SPAWN) 927 ierr = PetscHMPISpawn((PetscMPIInt) nodesize);CHKERRQ(ierr); /* worker nodes never return from here; they go directly to PetscEnd() */ 928 #else 929 SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"PETSc built without MPI 2 (MPI_Comm_spawn) support, use -hmpi_merge_size instead"); 930 #endif 931 } else { 932 ierr = PetscOptionsGetInt(NULL,"-hmpi_merge_size",&nodesize,&flg);CHKERRQ(ierr); 933 if (flg) { 934 ierr = PetscHMPIMerge((PetscMPIInt) nodesize,NULL,NULL);CHKERRQ(ierr); 935 if (PetscHMPIWorker) { /* if worker then never enter user code */ 936 PetscInitializeCalled = PETSC_TRUE; 937 PetscEnd(); 938 } 939 } 940 } 941 942 #if defined(PETSC_HAVE_CUDA) 943 flg = PETSC_TRUE; 944 ierr = PetscOptionsGetBool(NULL,"-cublas",&flg,NULL);CHKERRQ(ierr); 945 if (flg) { 946 PetscMPIInt p; 947 for (p = 0; p < PetscGlobalSize; ++p) { 948 if (p == PetscGlobalRank) cublasInit(); 949 ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr); 950 } 951 } 952 #endif 953 954 ierr = PetscOptionsHasName(NULL,"-python",&flg);CHKERRQ(ierr); 955 if (flg) { 956 PetscInitializeCalled = PETSC_TRUE; 957 ierr = PetscPythonInitialize(NULL,NULL);CHKERRQ(ierr); 958 } 959 960 ierr = PetscThreadCommInitializePackage();CHKERRQ(ierr); 961 962 /* 963 Setup building of stack frames for all function calls 964 */ 965 PetscThreadLocalRegister((PetscThreadKey*)&petscstack); /* Creates pthread_key */ 966 #if defined(PETSC_USE_DEBUG) 967 ierr = PetscStackCreate();CHKERRQ(ierr); 968 #endif 969 970 #if defined(PETSC_SERIALIZE_FUNCTIONS) 971 ierr = PetscFPTCreate(10000);CHKERRQ(ierr); 972 #endif 973 974 975 /* 976 Once we are completedly initialized then we can set this variables 977 */ 978 PetscInitializeCalled = PETSC_TRUE; 979 PetscFunctionReturn(0); 980 } 981 982 #if defined(PETSC_USE_LOG) 983 extern PetscObject *PetscObjects; 984 extern PetscInt PetscObjectsCounts, PetscObjectsMaxCounts; 985 #endif 986 987 #undef __FUNCT__ 988 #define __FUNCT__ "PetscFinalize" 989 /*@C 990 PetscFinalize - Checks for options to be called at the conclusion 991 of the program. MPI_Finalize() is called only if the user had not 992 called MPI_Init() before calling PetscInitialize(). 993 994 Collective on PETSC_COMM_WORLD 995 996 Options Database Keys: 997 + -options_table - Calls PetscOptionsView() 998 . -options_left - Prints unused options that remain in the database 999 . -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 1000 . -mpidump - Calls PetscMPIDump() 1001 . -malloc_dump - Calls PetscMallocDump() 1002 . -malloc_info - Prints total memory usage 1003 - -malloc_log - Prints summary of memory usage 1004 1005 Level: beginner 1006 1007 Note: 1008 See PetscInitialize() for more general runtime options. 1009 1010 .seealso: PetscInitialize(), PetscOptionsView(), PetscMallocDump(), PetscMPIDump(), PetscEnd() 1011 @*/ 1012 PetscErrorCode PetscFinalize(void) 1013 { 1014 PetscErrorCode ierr; 1015 PetscMPIInt rank; 1016 PetscInt nopt; 1017 PetscBool flg1 = PETSC_FALSE,flg2 = PETSC_FALSE,flg3 = PETSC_FALSE; 1018 PetscBool flg; 1019 #if defined(PETSC_USE_LOG) 1020 char mname[PETSC_MAX_PATH_LEN]; 1021 #endif 1022 1023 PetscFunctionBegin; 1024 if (!PetscInitializeCalled) { 1025 printf("PetscInitialize() must be called before PetscFinalize()\n"); 1026 PetscFunctionReturn(PETSC_ERR_ARG_WRONGSTATE); 1027 } 1028 ierr = PetscInfo(NULL,"PetscFinalize() called\n");CHKERRQ(ierr); 1029 1030 ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr); 1031 1032 ierr = PetscOptionsHasName(NULL,"-citations",&flg);CHKERRQ(ierr); 1033 if (flg) { 1034 char *cits, filename[PETSC_MAX_PATH_LEN]; 1035 FILE *fd = PETSC_STDOUT; 1036 1037 ierr = PetscOptionsGetString(NULL,"-citations",filename,PETSC_MAX_PATH_LEN,NULL);CHKERRQ(ierr); 1038 if (filename[0]) { 1039 ierr = PetscFOpen(PETSC_COMM_WORLD,filename,"w",&fd);CHKERRQ(ierr); 1040 } 1041 ierr = PetscSegBufferGet(PetscCitationsList,1,&cits);CHKERRQ(ierr); 1042 cits[0] = 0; 1043 ierr = PetscSegBufferExtractAlloc(PetscCitationsList,&cits);CHKERRQ(ierr); 1044 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"If you publish results based on this computation please cite the following:\n");CHKERRQ(ierr); 1045 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"===========================================================================\n");CHKERRQ(ierr); 1046 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"%s",cits);CHKERRQ(ierr); 1047 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"===========================================================================\n");CHKERRQ(ierr); 1048 ierr = PetscFClose(PETSC_COMM_WORLD,fd);CHKERRQ(ierr); 1049 ierr = PetscFree(cits);CHKERRQ(ierr); 1050 } 1051 ierr = PetscSegBufferDestroy(&PetscCitationsList);CHKERRQ(ierr); 1052 1053 #if defined(PETSC_SERIALIZE_FUNCTIONS) 1054 ierr = PetscFPTDestroy();CHKERRQ(ierr); 1055 #endif 1056 1057 1058 #if defined(PETSC_HAVE_SAWS) 1059 flg = PETSC_FALSE; 1060 ierr = PetscOptionsGetBool(NULL,"-saw_options",&flg,NULL);CHKERRQ(ierr); 1061 if (flg) { 1062 ierr = PetscOptionsSAWsDestroy();CHKERRQ(ierr); 1063 } 1064 #endif 1065 1066 #if defined(PETSC_HAVE_X) 1067 flg1 = PETSC_FALSE; 1068 ierr = PetscOptionsGetBool(NULL,"-x_virtual",&flg1,NULL);CHKERRQ(ierr); 1069 if (flg1) { 1070 /* this is a crude hack, but better than nothing */ 1071 ierr = PetscPOpen(PETSC_COMM_WORLD,NULL,"pkill -9 Xvfb","r",NULL);CHKERRQ(ierr); 1072 } 1073 #endif 1074 1075 ierr = PetscHMPIFinalize();CHKERRQ(ierr); 1076 1077 ierr = PetscOptionsGetBool(NULL,"-malloc_info",&flg2,NULL);CHKERRQ(ierr); 1078 if (!flg2) { 1079 flg2 = PETSC_FALSE; 1080 ierr = PetscOptionsGetBool(NULL,"-memory_info",&flg2,NULL);CHKERRQ(ierr); 1081 } 1082 if (flg2) { 1083 ierr = PetscMemoryShowUsage(PETSC_VIEWER_STDOUT_WORLD,"Summary of Memory Usage in PETSc\n");CHKERRQ(ierr); 1084 } 1085 1086 #if defined(PETSC_USE_LOG) 1087 flg1 = PETSC_FALSE; 1088 ierr = PetscOptionsGetBool(NULL,"-get_total_flops",&flg1,NULL);CHKERRQ(ierr); 1089 if (flg1) { 1090 PetscLogDouble flops = 0; 1091 ierr = MPI_Reduce(&petsc_TotalFlops,&flops,1,MPI_DOUBLE,MPI_SUM,0,PETSC_COMM_WORLD);CHKERRQ(ierr); 1092 ierr = PetscPrintf(PETSC_COMM_WORLD,"Total flops over all processors %g\n",flops);CHKERRQ(ierr); 1093 } 1094 #endif 1095 1096 1097 #if defined(PETSC_USE_LOG) 1098 #if defined(PETSC_HAVE_MPE) 1099 mname[0] = 0; 1100 1101 ierr = PetscOptionsGetString(NULL,"-log_mpe",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1102 if (flg1) { 1103 if (mname[0]) {ierr = PetscLogMPEDump(mname);CHKERRQ(ierr);} 1104 else {ierr = PetscLogMPEDump(0);CHKERRQ(ierr);} 1105 } 1106 #endif 1107 mname[0] = 0; 1108 1109 ierr = PetscOptionsGetString(NULL,"-log_summary",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1110 if (flg1) { 1111 PetscViewer viewer; 1112 if (mname[0]) { 1113 ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,mname,&viewer);CHKERRQ(ierr); 1114 ierr = PetscLogView(viewer);CHKERRQ(ierr); 1115 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1116 } else { 1117 viewer = PETSC_VIEWER_STDOUT_WORLD; 1118 ierr = PetscLogView(viewer);CHKERRQ(ierr); 1119 } 1120 } 1121 1122 mname[0] = 0; 1123 1124 ierr = PetscOptionsGetString(NULL,"-log_summary_python",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1125 if (flg1) { 1126 PetscViewer viewer; 1127 if (mname[0]) { 1128 ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,mname,&viewer);CHKERRQ(ierr); 1129 ierr = PetscLogViewPython(viewer);CHKERRQ(ierr); 1130 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1131 } else { 1132 viewer = PETSC_VIEWER_STDOUT_WORLD; 1133 ierr = PetscLogViewPython(viewer);CHKERRQ(ierr); 1134 } 1135 } 1136 1137 ierr = PetscOptionsGetString(NULL,"-log_detailed",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1138 if (flg1) { 1139 if (mname[0]) {ierr = PetscLogPrintDetailed(PETSC_COMM_WORLD,mname);CHKERRQ(ierr);} 1140 else {ierr = PetscLogPrintDetailed(PETSC_COMM_WORLD,0);CHKERRQ(ierr);} 1141 } 1142 1143 mname[0] = 0; 1144 1145 ierr = PetscOptionsGetString(NULL,"-log_all",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1146 ierr = PetscOptionsGetString(NULL,"-log",mname,PETSC_MAX_PATH_LEN,&flg2);CHKERRQ(ierr); 1147 if (flg1 || flg2) { 1148 if (mname[0]) PetscLogDump(mname); 1149 else PetscLogDump(0); 1150 } 1151 #endif 1152 1153 /* 1154 Free all objects registered with PetscObjectRegisterDestroy() such as PETSC_VIEWER_XXX_(). 1155 */ 1156 ierr = PetscObjectRegisterDestroyAll();CHKERRQ(ierr); 1157 1158 ierr = PetscStackDestroy();CHKERRQ(ierr); 1159 PetscThreadLocalDestroy((PetscThreadKey)petscstack); /* Deletes pthread_key */ 1160 1161 flg1 = PETSC_FALSE; 1162 ierr = PetscOptionsGetBool(NULL,"-no_signal_handler",&flg1,NULL);CHKERRQ(ierr); 1163 if (!flg1) { ierr = PetscPopSignalHandler();CHKERRQ(ierr);} 1164 flg1 = PETSC_FALSE; 1165 ierr = PetscOptionsGetBool(NULL,"-mpidump",&flg1,NULL);CHKERRQ(ierr); 1166 if (flg1) { 1167 ierr = PetscMPIDump(stdout);CHKERRQ(ierr); 1168 } 1169 flg1 = PETSC_FALSE; 1170 flg2 = PETSC_FALSE; 1171 /* preemptive call to avoid listing this option in options table as unused */ 1172 ierr = PetscOptionsHasName(NULL,"-malloc_dump",&flg1);CHKERRQ(ierr); 1173 ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr); 1174 ierr = PetscOptionsGetBool(NULL,"-options_table",&flg2,NULL);CHKERRQ(ierr); 1175 1176 if (flg2) { 1177 PetscViewer viewer; 1178 ierr = PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr); 1179 ierr = PetscOptionsView(viewer);CHKERRQ(ierr); 1180 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1181 } 1182 1183 /* to prevent PETSc -options_left from warning */ 1184 ierr = PetscOptionsHasName(NULL,"-nox",&flg1);CHKERRQ(ierr); 1185 ierr = PetscOptionsHasName(NULL,"-nox_warning",&flg1);CHKERRQ(ierr); 1186 1187 if (!PetscHMPIWorker) { /* worker processes skip this because they do not usually process options */ 1188 flg3 = PETSC_FALSE; /* default value is required */ 1189 ierr = PetscOptionsGetBool(NULL,"-options_left",&flg3,&flg1);CHKERRQ(ierr); 1190 ierr = PetscOptionsAllUsed(&nopt);CHKERRQ(ierr); 1191 if (flg3) { 1192 if (!flg2) { /* have not yet printed the options */ 1193 PetscViewer viewer; 1194 ierr = PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr); 1195 ierr = PetscOptionsView(viewer);CHKERRQ(ierr); 1196 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1197 } 1198 if (!nopt) { 1199 ierr = PetscPrintf(PETSC_COMM_WORLD,"There are no unused options.\n");CHKERRQ(ierr); 1200 } else if (nopt == 1) { 1201 ierr = PetscPrintf(PETSC_COMM_WORLD,"There is one unused database option. It is:\n");CHKERRQ(ierr); 1202 } else { 1203 ierr = PetscPrintf(PETSC_COMM_WORLD,"There are %D unused database options. They are:\n",nopt);CHKERRQ(ierr); 1204 } 1205 } 1206 #if defined(PETSC_USE_DEBUG) 1207 if (nopt && !flg3 && !flg1) { 1208 ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! There are options you set that were not used!\n");CHKERRQ(ierr); 1209 ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! could be spelling mistake, etc!\n");CHKERRQ(ierr); 1210 ierr = PetscOptionsLeft();CHKERRQ(ierr); 1211 } else if (nopt && flg3) { 1212 #else 1213 if (nopt && flg3) { 1214 #endif 1215 ierr = PetscOptionsLeft();CHKERRQ(ierr); 1216 } 1217 } 1218 1219 #if defined(PETSC_HAVE_SAWS) 1220 if (!PetscGlobalRank) { 1221 ierr = PetscStackSAWsViewOff();CHKERRQ(ierr); 1222 PetscStackCallSAWs(SAWs_Finalize,()); 1223 } 1224 #endif 1225 1226 { 1227 PetscThreadComm tcomm_world; 1228 ierr = PetscGetThreadCommWorld(&tcomm_world);CHKERRQ(ierr); 1229 /* Free global thread communicator */ 1230 ierr = PetscThreadCommDestroy(&tcomm_world);CHKERRQ(ierr); 1231 } 1232 1233 #if defined(PETSC_USE_LOG) 1234 /* 1235 List all objects the user may have forgot to free 1236 */ 1237 ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr); 1238 if (flg1) { 1239 MPI_Comm local_comm; 1240 char string[64]; 1241 1242 ierr = PetscOptionsGetString(NULL,"-objects_dump",string,64,NULL);CHKERRQ(ierr); 1243 ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr); 1244 ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr); 1245 ierr = PetscObjectsDump(stdout,(string[0] == 'a') ? PETSC_TRUE : PETSC_FALSE);CHKERRQ(ierr); 1246 ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr); 1247 ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr); 1248 } 1249 #endif 1250 1251 #if defined(PETSC_USE_LOG) 1252 PetscObjectsCounts = 0; 1253 PetscObjectsMaxCounts = 0; 1254 ierr = PetscFree(PetscObjects);CHKERRQ(ierr); 1255 #endif 1256 1257 #if defined(PETSC_USE_LOG) 1258 ierr = PetscLogDestroy();CHKERRQ(ierr); 1259 #endif 1260 1261 /* 1262 Destroy any packages that registered a finalize 1263 */ 1264 ierr = PetscRegisterFinalizeAll();CHKERRQ(ierr); 1265 1266 /* 1267 Destroy all the function registration lists created 1268 */ 1269 ierr = PetscFinalize_DynamicLibraries();CHKERRQ(ierr); 1270 1271 /* 1272 Print PetscFunctionLists that have not been properly freed 1273 1274 ierr = PetscFunctionListPrintAll();CHKERRQ(ierr); 1275 */ 1276 1277 if (petsc_history) { 1278 ierr = PetscCloseHistoryFile(&petsc_history);CHKERRQ(ierr); 1279 petsc_history = 0; 1280 } 1281 1282 ierr = PetscInfoAllow(PETSC_FALSE,NULL);CHKERRQ(ierr); 1283 1284 { 1285 char fname[PETSC_MAX_PATH_LEN]; 1286 FILE *fd; 1287 int err; 1288 1289 fname[0] = 0; 1290 1291 ierr = PetscOptionsGetString(NULL,"-malloc_dump",fname,250,&flg1);CHKERRQ(ierr); 1292 flg2 = PETSC_FALSE; 1293 ierr = PetscOptionsGetBool(NULL,"-malloc_test",&flg2,NULL);CHKERRQ(ierr); 1294 #if defined(PETSC_USE_DEBUG) 1295 if (PETSC_RUNNING_ON_VALGRIND) flg2 = PETSC_FALSE; 1296 #else 1297 flg2 = PETSC_FALSE; /* Skip reporting for optimized builds regardless of -malloc_test */ 1298 #endif 1299 if (flg1 && fname[0]) { 1300 char sname[PETSC_MAX_PATH_LEN]; 1301 1302 sprintf(sname,"%s_%d",fname,rank); 1303 fd = fopen(sname,"w"); if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",sname); 1304 ierr = PetscMallocDump(fd);CHKERRQ(ierr); 1305 err = fclose(fd); 1306 if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file"); 1307 } else if (flg1 || flg2) { 1308 MPI_Comm local_comm; 1309 1310 ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr); 1311 ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr); 1312 ierr = PetscMallocDump(stdout);CHKERRQ(ierr); 1313 ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr); 1314 ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr); 1315 } 1316 } 1317 1318 { 1319 char fname[PETSC_MAX_PATH_LEN]; 1320 FILE *fd = NULL; 1321 1322 fname[0] = 0; 1323 1324 ierr = PetscOptionsGetString(NULL,"-malloc_log",fname,250,&flg1);CHKERRQ(ierr); 1325 ierr = PetscOptionsHasName(NULL,"-malloc_log_threshold",&flg2);CHKERRQ(ierr); 1326 if (flg1 && fname[0]) { 1327 int err; 1328 1329 if (!rank) { 1330 fd = fopen(fname,"w"); 1331 if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",fname); 1332 } 1333 ierr = PetscMallocDumpLog(fd);CHKERRQ(ierr); 1334 if (fd) { 1335 err = fclose(fd); 1336 if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file"); 1337 } 1338 } else if (flg1 || flg2) { 1339 ierr = PetscMallocDumpLog(stdout);CHKERRQ(ierr); 1340 } 1341 } 1342 1343 #if defined(PETSC_HAVE_CUDA) 1344 flg = PETSC_TRUE; 1345 ierr = PetscOptionsGetBool(NULL,"-cublas",&flg,NULL);CHKERRQ(ierr); 1346 if (flg) { 1347 PetscInt p; 1348 for (p = 0; p < PetscGlobalSize; ++p) { 1349 if (p == PetscGlobalRank) cublasShutdown(); 1350 ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr); 1351 } 1352 } 1353 #endif 1354 1355 /* Can be destroyed only after all the options are used */ 1356 ierr = PetscOptionsDestroy();CHKERRQ(ierr); 1357 1358 PetscGlobalArgc = 0; 1359 PetscGlobalArgs = 0; 1360 1361 #if defined(PETSC_USE_REAL___FLOAT128) 1362 ierr = MPI_Type_free(&MPIU___FLOAT128);CHKERRQ(ierr); 1363 #if defined(PETSC_HAVE_COMPLEX) 1364 ierr = MPI_Type_free(&MPIU___COMPLEX128);CHKERRQ(ierr); 1365 #endif 1366 ierr = MPI_Op_free(&MPIU_MAX);CHKERRQ(ierr); 1367 ierr = MPI_Op_free(&MPIU_MIN);CHKERRQ(ierr); 1368 #endif 1369 1370 #if defined(PETSC_HAVE_COMPLEX) 1371 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 1372 ierr = MPI_Type_free(&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 1373 ierr = MPI_Type_free(&MPIU_C_COMPLEX);CHKERRQ(ierr); 1374 #endif 1375 #endif 1376 1377 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 1378 ierr = MPI_Op_free(&MPIU_SUM);CHKERRQ(ierr); 1379 #endif 1380 1381 ierr = MPI_Type_free(&MPIU_2SCALAR);CHKERRQ(ierr); 1382 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT) 1383 ierr = MPI_Type_free(&MPIU_2INT);CHKERRQ(ierr); 1384 #endif 1385 ierr = MPI_Op_free(&PetscMaxSum_Op);CHKERRQ(ierr); 1386 ierr = MPI_Op_free(&PetscADMax_Op);CHKERRQ(ierr); 1387 ierr = MPI_Op_free(&PetscADMin_Op);CHKERRQ(ierr); 1388 1389 /* 1390 Destroy any known inner MPI_Comm's and attributes pointing to them 1391 Note this will not destroy any new communicators the user has created. 1392 1393 If all PETSc objects were not destroyed those left over objects will have hanging references to 1394 the MPI_Comms that were freed; but that is ok because those PETSc objects will never be used again 1395 */ 1396 { 1397 PetscCommCounter *counter; 1398 PetscMPIInt flg; 1399 MPI_Comm icomm; 1400 union {MPI_Comm comm; void *ptr;} ucomm; 1401 ierr = MPI_Attr_get(PETSC_COMM_SELF,Petsc_InnerComm_keyval,&ucomm,&flg);CHKERRQ(ierr); 1402 if (flg) { 1403 icomm = ucomm.comm; 1404 ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr); 1405 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory"); 1406 1407 ierr = MPI_Attr_delete(PETSC_COMM_SELF,Petsc_InnerComm_keyval);CHKERRQ(ierr); 1408 ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr); 1409 ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr); 1410 } 1411 ierr = MPI_Attr_get(PETSC_COMM_WORLD,Petsc_InnerComm_keyval,&ucomm,&flg);CHKERRQ(ierr); 1412 if (flg) { 1413 icomm = ucomm.comm; 1414 ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr); 1415 if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory"); 1416 1417 ierr = MPI_Attr_delete(PETSC_COMM_WORLD,Petsc_InnerComm_keyval);CHKERRQ(ierr); 1418 ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr); 1419 ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr); 1420 } 1421 } 1422 1423 ierr = MPI_Keyval_free(&Petsc_Counter_keyval);CHKERRQ(ierr); 1424 ierr = MPI_Keyval_free(&Petsc_InnerComm_keyval);CHKERRQ(ierr); 1425 ierr = MPI_Keyval_free(&Petsc_OuterComm_keyval);CHKERRQ(ierr); 1426 1427 if (PetscBeganMPI) { 1428 #if defined(PETSC_HAVE_MPI_FINALIZED) 1429 PetscMPIInt flag; 1430 ierr = MPI_Finalized(&flag);CHKERRQ(ierr); 1431 if (flag) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"MPI_Finalize() has already been called, even though MPI_Init() was called by PetscInitialize()"); 1432 #endif 1433 ierr = MPI_Finalize();CHKERRQ(ierr); 1434 } 1435 /* 1436 1437 Note: In certain cases PETSC_COMM_WORLD is never MPI_Comm_free()ed because 1438 the communicator has some outstanding requests on it. Specifically if the 1439 flag PETSC_HAVE_BROKEN_REQUEST_FREE is set (for IBM MPI implementation). See 1440 src/vec/utils/vpscat.c. Due to this the memory allocated in PetscCommDuplicate() 1441 is never freed as it should be. Thus one may obtain messages of the form 1442 [ 1] 8 bytes PetscCommDuplicate() line 645 in src/sys/mpiu.c indicating the 1443 memory was not freed. 1444 1445 */ 1446 ierr = PetscMallocClear();CHKERRQ(ierr); 1447 1448 PetscInitializeCalled = PETSC_FALSE; 1449 PetscFinalizeCalled = PETSC_TRUE; 1450 PetscFunctionReturn(ierr); 1451 } 1452 1453 #if defined(PETSC_MISSING_LAPACK_lsame_) 1454 PETSC_EXTERN int lsame_(char *a,char *b) 1455 { 1456 if (*a == *b) return 1; 1457 if (*a + 32 == *b) return 1; 1458 if (*a - 32 == *b) return 1; 1459 return 0; 1460 } 1461 #endif 1462 1463 #if defined(PETSC_MISSING_LAPACK_lsame) 1464 PETSC_EXTERN int lsame(char *a,char *b) 1465 { 1466 if (*a == *b) return 1; 1467 if (*a + 32 == *b) return 1; 1468 if (*a - 32 == *b) return 1; 1469 return 0; 1470 } 1471 #endif 1472