1 /* 2 3 This file defines part of the initialization of PETSc 4 5 This file uses regular malloc and free because it cannot be known 6 what malloc is being used until it has already processed the input. 7 */ 8 #include <petsc/private/petscimpl.h> /*I "petscsys.h" I*/ 9 10 #if defined(PETSC_HAVE_UNISTD_H) 11 #include <unistd.h> 12 #endif 13 14 /* ------------------------Nasty global variables -------------------------------*/ 15 /* 16 Indicates if PETSc started up MPI, or it was 17 already started before PETSc was initialized. 18 */ 19 PetscBool PetscBeganMPI = PETSC_FALSE; 20 PetscBool PetscErrorHandlingInitialized = PETSC_FALSE; 21 PetscBool PetscInitializeCalled = PETSC_FALSE; 22 PetscBool PetscFinalizeCalled = PETSC_FALSE; 23 24 PetscMPIInt PetscGlobalRank = -1; 25 PetscMPIInt PetscGlobalSize = -1; 26 27 #if defined(PETSC_HAVE_KOKKOS) 28 PetscBool PetscBeganKokkos = PETSC_FALSE; 29 #endif 30 31 #if defined(PETSC_HAVE_NVSHMEM) 32 PetscBool PetscBeganNvshmem = PETSC_FALSE; 33 PetscBool PetscNvshmemInitialized = PETSC_FALSE; 34 #endif 35 36 PetscBool use_gpu_aware_mpi = PetscDefined(HAVE_MPIUNI) ? PETSC_FALSE : PETSC_TRUE; 37 38 PetscBool PetscPrintFunctionList = PETSC_FALSE; 39 40 #if defined(PETSC_HAVE_COMPLEX) 41 #if defined(PETSC_COMPLEX_INSTANTIATE) 42 template <> 43 class std::complex<double>; /* instantiate complex template class */ 44 #endif 45 46 /*MC 47 PETSC_i - the imaginary number i 48 49 Synopsis: 50 #include <petscsys.h> 51 PetscComplex PETSC_i; 52 53 Level: beginner 54 55 Note: 56 Complex numbers are automatically available if PETSc located a working complex implementation 57 58 .seealso: `PetscRealPart()`, `PetscImaginaryPart()`, `PetscRealPartComplex()`, `PetscImaginaryPartComplex()` 59 M*/ 60 PetscComplex PETSC_i; 61 MPI_Datatype MPIU___COMPLEX128 = 0; 62 #endif /* PETSC_HAVE_COMPLEX */ 63 #if defined(PETSC_HAVE_REAL___FLOAT128) 64 MPI_Datatype MPIU___FLOAT128 = 0; 65 #endif 66 #if defined(PETSC_HAVE_REAL___FP16) 67 MPI_Datatype MPIU___FP16 = 0; 68 #endif 69 MPI_Datatype MPIU_2SCALAR = 0; 70 MPI_Datatype MPIU_REAL_INT = 0; 71 MPI_Datatype MPIU_SCALAR_INT = 0; 72 #if defined(PETSC_USE_64BIT_INDICES) 73 MPI_Datatype MPIU_2INT = 0; 74 #endif 75 MPI_Datatype MPI_4INT = 0; 76 MPI_Datatype MPIU_4INT = 0; 77 MPI_Datatype MPIU_BOOL; 78 MPI_Datatype MPIU_ENUM; 79 MPI_Datatype MPIU_FORTRANADDR; 80 MPI_Datatype MPIU_SIZE_T; 81 82 /* 83 Function that is called to display all error messages 84 */ 85 PetscErrorCode (*PetscErrorPrintf)(const char[], ...) = PetscErrorPrintfDefault; 86 PetscErrorCode (*PetscHelpPrintf)(MPI_Comm, const char[], ...) = PetscHelpPrintfDefault; 87 PetscErrorCode (*PetscVFPrintf)(FILE *, const char[], va_list) = PetscVFPrintfDefault; 88 89 /* ------------------------------------------------------------------------------*/ 90 /* 91 Optional file where all PETSc output from various prints is saved 92 */ 93 PETSC_INTERN FILE *petsc_history; 94 FILE *petsc_history = NULL; 95 96 PetscErrorCode PetscOpenHistoryFile(const char filename[], FILE **fd) 97 { 98 PetscMPIInt rank, size; 99 char pfile[PETSC_MAX_PATH_LEN], pname[PETSC_MAX_PATH_LEN], fname[PETSC_MAX_PATH_LEN], date[64]; 100 char version[256]; 101 102 PetscFunctionBegin; 103 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 104 if (rank == 0) { 105 char arch[10]; 106 107 PetscCall(PetscGetArchType(arch, 10)); 108 PetscCall(PetscGetDate(date, 64)); 109 PetscCall(PetscGetVersion(version, 256)); 110 PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 111 if (filename) { 112 PetscCall(PetscFixFilename(filename, fname)); 113 } else { 114 PetscCall(PetscGetHomeDirectory(pfile, sizeof(pfile))); 115 PetscCall(PetscStrlcat(pfile, "/.petschistory", sizeof(pfile))); 116 PetscCall(PetscFixFilename(pfile, fname)); 117 } 118 119 *fd = fopen(fname, "a"); 120 PetscCheck(fd, PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "Cannot open file: %s", fname); 121 122 PetscCall(PetscFPrintf(PETSC_COMM_SELF, *fd, "----------------------------------------\n")); 123 PetscCall(PetscFPrintf(PETSC_COMM_SELF, *fd, "%s %s\n", version, date)); 124 PetscCall(PetscGetProgramName(pname, sizeof(pname))); 125 PetscCall(PetscFPrintf(PETSC_COMM_SELF, *fd, "%s on a %s, %d proc. with options:\n", pname, arch, size)); 126 PetscCall(PetscFPrintf(PETSC_COMM_SELF, *fd, "----------------------------------------\n")); 127 128 PetscCall(PetscFFlush(*fd)); 129 } 130 PetscFunctionReturn(PETSC_SUCCESS); 131 } 132 133 PETSC_INTERN PetscErrorCode PetscCloseHistoryFile(FILE **fd) 134 { 135 PetscMPIInt rank; 136 137 PetscFunctionBegin; 138 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 139 if (rank == 0) { 140 char date[64]; 141 int err; 142 143 PetscCall(PetscGetDate(date, sizeof(date))); 144 PetscCall(PetscFPrintf(PETSC_COMM_SELF, *fd, "----------------------------------------\n")); 145 PetscCall(PetscFPrintf(PETSC_COMM_SELF, *fd, "Finished at %s\n", date)); 146 PetscCall(PetscFPrintf(PETSC_COMM_SELF, *fd, "----------------------------------------\n")); 147 PetscCall(PetscFFlush(*fd)); 148 err = fclose(*fd); 149 PetscCheck(!err, PETSC_COMM_SELF, PETSC_ERR_SYS, "fclose() failed on file"); 150 } 151 PetscFunctionReturn(PETSC_SUCCESS); 152 } 153 154 /* ------------------------------------------------------------------------------*/ 155 156 /* 157 This is ugly and probably belongs somewhere else, but I want to 158 be able to put a true MPI abort error handler with command line args. 159 160 This is so MPI errors in the debugger will leave all the stack 161 frames. The default MP_Abort() cleans up and exits thus providing no useful information 162 in the debugger hence we call abort() instead of MPI_Abort(). 163 */ 164 165 void Petsc_MPI_AbortOnError(PETSC_UNUSED MPI_Comm *comm, PetscMPIInt *flag, ...) 166 { 167 PetscFunctionBegin; 168 PetscCallContinue((*PetscErrorPrintf)("MPI error %d\n", *flag)); 169 abort(); 170 } 171 172 void Petsc_MPI_DebuggerOnError(MPI_Comm *comm, PetscMPIInt *flag, ...) 173 { 174 PetscFunctionBegin; 175 PetscCallContinue((*PetscErrorPrintf)("MPI error %d\n", *flag)); 176 if (PetscAttachDebugger()) PETSCABORT(*comm, (PetscErrorCode)*flag); /* hopeless so get out */ 177 } 178 179 /*@C 180 PetscEnd - Calls `PetscFinalize()` and then ends the program. This is useful if one 181 wishes a clean exit somewhere deep in the program. 182 183 Collective on `PETSC_COMM_WORLD` 184 185 Options Database Keys are the same as for `PetscFinalize()` 186 187 Level: advanced 188 189 Note: 190 See `PetscInitialize()` for more general runtime options. 191 192 .seealso: `PetscInitialize()`, `PetscOptionsView()`, `PetscMallocDump()`, `PetscMPIDump()`, `PetscFinalize()` 193 @*/ 194 PetscErrorCode PetscEnd(void) 195 { 196 PetscFunctionBegin; 197 PetscCall(PetscFinalize()); 198 exit(0); 199 return PETSC_SUCCESS; 200 } 201 202 PetscBool PetscOptionsPublish = PETSC_FALSE; 203 PETSC_INTERN PetscErrorCode PetscSetUseHBWMalloc_Private(void); 204 PETSC_INTERN PetscBool petscsetmallocvisited; 205 static char emacsmachinename[256]; 206 207 PetscErrorCode (*PetscExternalVersionFunction)(MPI_Comm) = NULL; 208 PetscErrorCode (*PetscExternalHelpFunction)(MPI_Comm) = NULL; 209 210 #if PetscDefined(USE_LOG) 211 #include <petscviewer.h> 212 #endif 213 214 /*@C 215 PetscSetHelpVersionFunctions - Sets functions that print help and version information 216 before the PETSc help and version information is printed. Must call BEFORE `PetscInitialize()`. 217 This routine enables a "higher-level" package that uses PETSc to print its messages first. 218 219 Input Parameters: 220 + help - the help function (may be NULL) 221 - version - the version function (may be NULL) 222 223 Level: developer 224 225 @*/ 226 PetscErrorCode PetscSetHelpVersionFunctions(PetscErrorCode (*help)(MPI_Comm), PetscErrorCode (*version)(MPI_Comm)) 227 { 228 PetscFunctionBegin; 229 PetscExternalHelpFunction = help; 230 PetscExternalVersionFunction = version; 231 PetscFunctionReturn(PETSC_SUCCESS); 232 } 233 234 #if defined(PETSC_USE_LOG) 235 PETSC_INTERN PetscBool PetscObjectsLog; 236 #endif 237 238 PETSC_INTERN PetscErrorCode PetscOptionsCheckInitial_Private(const char help[]) 239 { 240 char string[64]; 241 MPI_Comm comm = PETSC_COMM_WORLD; 242 PetscBool flg1 = PETSC_FALSE, flg2 = PETSC_FALSE, flg3 = PETSC_FALSE, flag, hasHelp; 243 PetscBool checkstack = PETSC_FALSE; 244 PetscReal si; 245 PetscInt intensity; 246 int i; 247 PetscMPIInt rank; 248 char version[256]; 249 #if defined(PETSC_USE_LOG) 250 char mname[PETSC_MAX_PATH_LEN]; 251 PetscViewerFormat format; 252 PetscBool flg4 = PETSC_FALSE; 253 #endif 254 255 PetscFunctionBegin; 256 PetscCallMPI(MPI_Comm_rank(comm, &rank)); 257 258 if (PetscDefined(USE_DEBUG) && !PetscDefined(HAVE_THREADSAFETY)) checkstack = PETSC_TRUE; 259 PetscCall(PetscOptionsGetBool(NULL, NULL, "-checkstack", &checkstack, NULL)); 260 PetscCall(PetscStackSetCheck(checkstack)); 261 262 PetscCall(PetscOptionsGetBool(NULL, NULL, "-checkfunctionlist", &PetscPrintFunctionList, NULL)); 263 264 #if !defined(PETSC_HAVE_THREADSAFETY) 265 if (!(PETSC_RUNNING_ON_VALGRIND)) { 266 /* 267 Setup the memory management; support for tracing malloc() usage 268 */ 269 PetscBool mdebug = PETSC_FALSE, eachcall = PETSC_FALSE, initializenan = PETSC_FALSE, mlog = PETSC_FALSE; 270 271 if (PetscDefined(USE_DEBUG)) { 272 mdebug = PETSC_TRUE; 273 initializenan = PETSC_TRUE; 274 PetscCall(PetscOptionsHasName(NULL, NULL, "-malloc_test", &flg1)); 275 } else { 276 /* don't warn about unused option */ 277 PetscCall(PetscOptionsHasName(NULL, NULL, "-malloc_test", &flg1)); 278 flg1 = PETSC_FALSE; 279 } 280 PetscCall(PetscOptionsGetBool(NULL, NULL, "-malloc_debug", &flg2, &flg3)); 281 if (flg1 || flg2) { 282 mdebug = PETSC_TRUE; 283 eachcall = PETSC_TRUE; 284 initializenan = PETSC_TRUE; 285 } else if (flg3 && !flg2) { 286 mdebug = PETSC_FALSE; 287 eachcall = PETSC_FALSE; 288 initializenan = PETSC_FALSE; 289 } 290 291 PetscCall(PetscOptionsGetBool(NULL, NULL, "-malloc_requested_size", &flg1, &flg2)); 292 if (flg2) PetscCall(PetscMallocLogRequestedSizeSet(flg1)); 293 294 PetscCall(PetscOptionsHasName(NULL, NULL, "-malloc_view", &mlog)); 295 if (mlog) mdebug = PETSC_TRUE; 296 /* the next line is deprecated */ 297 PetscCall(PetscOptionsGetBool(NULL, NULL, "-malloc", &mdebug, NULL)); 298 PetscCall(PetscOptionsGetBool(NULL, NULL, "-malloc_dump", &mdebug, NULL)); 299 PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_view_memory", &mdebug, NULL)); 300 if (mdebug) PetscCall(PetscMallocSetDebug(eachcall, initializenan)); 301 if (mlog) { 302 PetscReal logthreshold = 0; 303 PetscCall(PetscOptionsGetReal(NULL, NULL, "-malloc_view_threshold", &logthreshold, NULL)); 304 PetscCall(PetscMallocViewSet(logthreshold)); 305 } 306 #if defined(PETSC_USE_LOG) 307 PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_view_memory", &PetscLogMemory, NULL)); 308 #endif 309 } 310 311 PetscCall(PetscOptionsGetBool(NULL, NULL, "-malloc_coalesce", &flg1, &flg2)); 312 if (flg2) PetscCall(PetscMallocSetCoalesce(flg1)); 313 flg1 = PETSC_FALSE; 314 PetscCall(PetscOptionsGetBool(NULL, NULL, "-malloc_hbw", &flg1, NULL)); 315 /* ignore this option if malloc is already set */ 316 if (flg1 && !petscsetmallocvisited) PetscCall(PetscSetUseHBWMalloc_Private()); 317 318 flg1 = PETSC_FALSE; 319 PetscCall(PetscOptionsGetBool(NULL, NULL, "-malloc_info", &flg1, NULL)); 320 if (!flg1) { 321 flg1 = PETSC_FALSE; 322 PetscCall(PetscOptionsGetBool(NULL, NULL, "-memory_view", &flg1, NULL)); 323 } 324 if (flg1) PetscCall(PetscMemorySetGetMaximumUsage()); 325 #endif 326 327 #if defined(PETSC_USE_LOG) 328 PetscCall(PetscOptionsHasName(NULL, NULL, "-objects_dump", &PetscObjectsLog)); 329 #endif 330 331 /* 332 Set the display variable for graphics 333 */ 334 PetscCall(PetscSetDisplay()); 335 336 /* 337 Print main application help message 338 */ 339 PetscCall(PetscOptionsHasHelp(NULL, &hasHelp)); 340 if (help && hasHelp) { 341 PetscCall(PetscPrintf(comm, "%s", help)); 342 PetscCall(PetscPrintf(comm, "----------------------------------------\n")); 343 } 344 345 /* 346 Print the PETSc version information 347 */ 348 PetscCall(PetscOptionsHasName(NULL, NULL, "-version", &flg1)); 349 if (flg1 || hasHelp) { 350 /* 351 Print "higher-level" package version message 352 */ 353 if (PetscExternalVersionFunction) PetscCall((*PetscExternalVersionFunction)(comm)); 354 355 PetscCall(PetscGetVersion(version, 256)); 356 PetscCall((*PetscHelpPrintf)(comm, "%s\n", version)); 357 PetscCall((*PetscHelpPrintf)(comm, "%s", PETSC_AUTHOR_INFO)); 358 PetscCall((*PetscHelpPrintf)(comm, "See https://petsc.org/release/changes for recent updates.\n")); 359 PetscCall((*PetscHelpPrintf)(comm, "See https://petsc.org/release/faq for problems.\n")); 360 PetscCall((*PetscHelpPrintf)(comm, "See https://petsc.org/release/manualpages for help. \n")); 361 PetscCall((*PetscHelpPrintf)(comm, "Libraries linked from %s\n", PETSC_LIB_DIR)); 362 PetscCall((*PetscHelpPrintf)(comm, "----------------------------------------\n")); 363 } 364 365 /* 366 Print "higher-level" package help message 367 */ 368 if (hasHelp) { 369 PetscBool hasHelpIntro; 370 371 if (PetscExternalHelpFunction) PetscCall((*PetscExternalHelpFunction)(comm)); 372 PetscCall(PetscOptionsHasHelpIntro_Internal(NULL, &hasHelpIntro)); 373 if (hasHelpIntro) { 374 PetscCall(PetscOptionsDestroyDefault()); 375 PetscCall(PetscFreeMPIResources()); 376 PetscCallMPI(MPI_Finalize()); 377 exit(0); 378 } 379 } 380 381 /* 382 Setup the error handling 383 */ 384 flg1 = PETSC_FALSE; 385 PetscCall(PetscOptionsGetBool(NULL, NULL, "-on_error_abort", &flg1, NULL)); 386 if (flg1) { 387 PetscCallMPI(MPI_Comm_set_errhandler(comm, MPI_ERRORS_ARE_FATAL)); 388 PetscCall(PetscPushErrorHandler(PetscAbortErrorHandler, NULL)); 389 } 390 flg1 = PETSC_FALSE; 391 PetscCall(PetscOptionsGetBool(NULL, NULL, "-on_error_mpiabort", &flg1, NULL)); 392 if (flg1) PetscCall(PetscPushErrorHandler(PetscMPIAbortErrorHandler, NULL)); 393 flg1 = PETSC_FALSE; 394 PetscCall(PetscOptionsGetBool(NULL, NULL, "-mpi_return_on_error", &flg1, NULL)); 395 if (flg1) PetscCallMPI(MPI_Comm_set_errhandler(comm, MPI_ERRORS_RETURN)); 396 flg1 = PETSC_FALSE; 397 PetscCall(PetscOptionsGetBool(NULL, NULL, "-no_signal_handler", &flg1, NULL)); 398 if (!flg1) PetscCall(PetscPushSignalHandler(PetscSignalHandlerDefault, (void *)0)); 399 400 /* 401 Setup debugger information 402 */ 403 PetscCall(PetscSetDefaultDebugger()); 404 PetscCall(PetscOptionsGetString(NULL, NULL, "-on_error_attach_debugger", string, sizeof(string), &flg1)); 405 if (flg1) { 406 MPI_Errhandler err_handler; 407 408 PetscCall(PetscSetDebuggerFromString(string)); 409 PetscCallMPI(MPI_Comm_create_errhandler(Petsc_MPI_DebuggerOnError, &err_handler)); 410 PetscCallMPI(MPI_Comm_set_errhandler(comm, err_handler)); 411 PetscCall(PetscPushErrorHandler(PetscAttachDebuggerErrorHandler, NULL)); 412 } 413 PetscCall(PetscOptionsGetString(NULL, NULL, "-debug_terminal", string, sizeof(string), &flg1)); 414 if (flg1) PetscCall(PetscSetDebugTerminal(string)); 415 PetscCall(PetscOptionsGetString(NULL, NULL, "-start_in_debugger", string, sizeof(string), &flg1)); 416 PetscCall(PetscOptionsGetString(NULL, NULL, "-stop_for_debugger", string, sizeof(string), &flg2)); 417 if (flg1 || flg2) { 418 PetscMPIInt size; 419 PetscInt lsize, *ranks; 420 MPI_Errhandler err_handler; 421 /* 422 we have to make sure that all processors have opened 423 connections to all other processors, otherwise once the 424 debugger has stated it is likely to receive a SIGUSR1 425 and kill the program. 426 */ 427 PetscCallMPI(MPI_Comm_size(comm, &size)); 428 if (size > 2) { 429 PetscMPIInt dummy = 0; 430 MPI_Status status; 431 for (i = 0; i < size; i++) { 432 if (rank != i) PetscCallMPI(MPI_Send(&dummy, 1, MPI_INT, i, 109, comm)); 433 } 434 for (i = 0; i < size; i++) { 435 if (rank != i) PetscCallMPI(MPI_Recv(&dummy, 1, MPI_INT, i, 109, comm, &status)); 436 } 437 } 438 /* check if this processor node should be in debugger */ 439 PetscCall(PetscMalloc1(size, &ranks)); 440 lsize = size; 441 /* Deprecated in 3.14 */ 442 PetscCall(PetscOptionsGetIntArray(NULL, NULL, "-debugger_nodes", ranks, &lsize, &flag)); 443 if (flag) { 444 const char *const quietopt = "-options_suppress_deprecated_warnings"; 445 char msg[4096]; 446 PetscBool quiet = PETSC_FALSE; 447 448 PetscCall(PetscOptionsGetBool(NULL, NULL, quietopt, &quiet, NULL)); 449 if (!quiet) { 450 PetscCall(PetscStrncpy(msg, "** PETSc DEPRECATION WARNING ** : the option ", sizeof(msg))); 451 PetscCall(PetscStrlcat(msg, "-debugger_nodes", sizeof(msg))); 452 PetscCall(PetscStrlcat(msg, " is deprecated as of version ", sizeof(msg))); 453 PetscCall(PetscStrlcat(msg, "3.14", sizeof(msg))); 454 PetscCall(PetscStrlcat(msg, " and will be removed in a future release.", sizeof(msg))); 455 PetscCall(PetscStrlcat(msg, " Please use the option ", sizeof(msg))); 456 PetscCall(PetscStrlcat(msg, "-debugger_ranks", sizeof(msg))); 457 PetscCall(PetscStrlcat(msg, " instead.", sizeof(msg))); 458 PetscCall(PetscStrlcat(msg, " (Silence this warning with ", sizeof(msg))); 459 PetscCall(PetscStrlcat(msg, quietopt, sizeof(msg))); 460 PetscCall(PetscStrlcat(msg, ")\n", sizeof(msg))); 461 PetscCall(PetscPrintf(comm, "%s", msg)); 462 } 463 } else { 464 lsize = size; 465 PetscCall(PetscOptionsGetIntArray(NULL, NULL, "-debugger_ranks", ranks, &lsize, &flag)); 466 } 467 if (flag) { 468 for (i = 0; i < lsize; i++) { 469 if (ranks[i] == rank) { 470 flag = PETSC_FALSE; 471 break; 472 } 473 } 474 } 475 if (!flag) { 476 PetscCall(PetscSetDebuggerFromString(string)); 477 PetscCall(PetscPushErrorHandler(PetscAbortErrorHandler, NULL)); 478 if (flg1) { 479 PetscCall(PetscAttachDebugger()); 480 } else { 481 PetscCall(PetscStopForDebugger()); 482 } 483 PetscCallMPI(MPI_Comm_create_errhandler(Petsc_MPI_AbortOnError, &err_handler)); 484 PetscCallMPI(MPI_Comm_set_errhandler(comm, err_handler)); 485 } else { 486 PetscCall(PetscWaitOnError()); 487 } 488 PetscCall(PetscFree(ranks)); 489 } 490 491 PetscCall(PetscOptionsGetString(NULL, NULL, "-on_error_emacs", emacsmachinename, sizeof(emacsmachinename), &flg1)); 492 if (flg1 && rank == 0) PetscCall(PetscPushErrorHandler(PetscEmacsClientErrorHandler, emacsmachinename)); 493 494 /* 495 Setup profiling and logging 496 */ 497 #if defined(PETSC_USE_INFO) 498 { 499 PetscCall(PetscInfoSetFromOptions(NULL)); 500 } 501 #endif 502 PetscCall(PetscDetermineInitialFPTrap()); 503 flg1 = PETSC_FALSE; 504 PetscCall(PetscOptionsGetBool(NULL, NULL, "-fp_trap", &flg1, &flag)); 505 if (flag) PetscCall(PetscSetFPTrap(flg1 ? PETSC_FP_TRAP_ON : PETSC_FP_TRAP_OFF)); 506 PetscCall(PetscOptionsGetInt(NULL, NULL, "-check_pointer_intensity", &intensity, &flag)); 507 if (flag) PetscCall(PetscCheckPointerSetIntensity(intensity)); 508 #if defined(PETSC_USE_LOG) 509 mname[0] = 0; 510 PetscCall(PetscOptionsGetString(NULL, NULL, "-history", mname, sizeof(mname), &flg1)); 511 if (flg1) { 512 if (mname[0]) { 513 PetscCall(PetscOpenHistoryFile(mname, &petsc_history)); 514 } else { 515 PetscCall(PetscOpenHistoryFile(NULL, &petsc_history)); 516 } 517 } 518 519 PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_sync", &PetscLogSyncOn, NULL)); 520 521 #if defined(PETSC_HAVE_MPE) 522 flg1 = PETSC_FALSE; 523 PetscCall(PetscOptionsHasName(NULL, NULL, "-log_mpe", &flg1)); 524 if (flg1) PetscCall(PetscLogMPEBegin()); 525 #endif 526 flg1 = PETSC_FALSE; 527 flg3 = PETSC_FALSE; 528 PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_all", &flg1, NULL)); 529 PetscCall(PetscOptionsHasName(NULL, NULL, "-log_summary", &flg3)); 530 if (flg1) PetscCall(PetscLogAllBegin()); 531 else if (flg3) PetscCall(PetscLogDefaultBegin()); 532 533 PetscCall(PetscOptionsGetString(NULL, NULL, "-log_trace", mname, sizeof(mname), &flg1)); 534 if (flg1) { 535 char name[PETSC_MAX_PATH_LEN], fname[PETSC_MAX_PATH_LEN]; 536 FILE *file; 537 if (mname[0]) { 538 PetscCall(PetscSNPrintf(name, PETSC_MAX_PATH_LEN, "%s.%d", mname, rank)); 539 PetscCall(PetscFixFilename(name, fname)); 540 file = fopen(fname, "w"); 541 PetscCheck(file, PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "Unable to open trace file: %s", fname); 542 } else file = PETSC_STDOUT; 543 PetscCall(PetscLogTraceBegin(file)); 544 } 545 546 PetscCall(PetscOptionsGetViewer(comm, NULL, NULL, "-log_view", NULL, &format, &flg4)); 547 if (flg4) { 548 if (format == PETSC_VIEWER_ASCII_XML || format == PETSC_VIEWER_ASCII_FLAMEGRAPH) { 549 PetscCall(PetscLogNestedBegin()); 550 } else { 551 PetscCall(PetscLogDefaultBegin()); 552 } 553 } 554 if (flg4 && (format == PETSC_VIEWER_ASCII_XML || format == PETSC_VIEWER_ASCII_FLAMEGRAPH)) { 555 PetscReal threshold = PetscRealConstant(0.01); 556 PetscCall(PetscOptionsGetReal(NULL, NULL, "-log_threshold", &threshold, &flg1)); 557 if (flg1) PetscCall(PetscLogSetThreshold((PetscLogDouble)threshold, NULL)); 558 } 559 #endif 560 561 PetscCall(PetscOptionsGetBool(NULL, NULL, "-saws_options", &PetscOptionsPublish, NULL)); 562 PetscCall(PetscOptionsGetBool(NULL, NULL, "-use_gpu_aware_mpi", &use_gpu_aware_mpi, NULL)); 563 564 /* 565 Print basic help message 566 */ 567 if (hasHelp) { 568 PetscCall((*PetscHelpPrintf)(comm, "Options for all PETSc programs:\n")); 569 PetscCall((*PetscHelpPrintf)(comm, " -version: prints PETSc version\n")); 570 PetscCall((*PetscHelpPrintf)(comm, " -help intro: prints example description and PETSc version, and exits\n")); 571 PetscCall((*PetscHelpPrintf)(comm, " -help: prints example description, PETSc version, and available options for used routines\n")); 572 PetscCall((*PetscHelpPrintf)(comm, " -on_error_abort: cause an abort when an error is detected. Useful \n ")); 573 PetscCall((*PetscHelpPrintf)(comm, " only when run in the debugger\n")); 574 PetscCall((*PetscHelpPrintf)(comm, " -on_error_attach_debugger [gdb,dbx,xxgdb,ups,noxterm]\n")); 575 PetscCall((*PetscHelpPrintf)(comm, " start the debugger in new xterm\n")); 576 PetscCall((*PetscHelpPrintf)(comm, " unless noxterm is given\n")); 577 PetscCall((*PetscHelpPrintf)(comm, " -start_in_debugger [gdb,dbx,xxgdb,ups,noxterm]\n")); 578 PetscCall((*PetscHelpPrintf)(comm, " start all processes in the debugger\n")); 579 PetscCall((*PetscHelpPrintf)(comm, " -on_error_emacs <machinename>\n")); 580 PetscCall((*PetscHelpPrintf)(comm, " emacs jumps to error file\n")); 581 PetscCall((*PetscHelpPrintf)(comm, " -debugger_ranks [n1,n2,..] Ranks to start in debugger\n")); 582 PetscCall((*PetscHelpPrintf)(comm, " -debugger_pause [m] : delay (in seconds) to attach debugger\n")); 583 PetscCall((*PetscHelpPrintf)(comm, " -stop_for_debugger : prints message on how to attach debugger manually\n")); 584 PetscCall((*PetscHelpPrintf)(comm, " waits the delay for you to attach\n")); 585 PetscCall((*PetscHelpPrintf)(comm, " -display display: Location where X window graphics and debuggers are displayed\n")); 586 PetscCall((*PetscHelpPrintf)(comm, " -no_signal_handler: do not trap error signals\n")); 587 PetscCall((*PetscHelpPrintf)(comm, " -mpi_return_on_error: MPI returns error code, rather than abort on internal error\n")); 588 PetscCall((*PetscHelpPrintf)(comm, " -fp_trap: stop on floating point exceptions\n")); 589 PetscCall((*PetscHelpPrintf)(comm, " note on IBM RS6000 this slows run greatly\n")); 590 PetscCall((*PetscHelpPrintf)(comm, " -malloc_dump <optional filename>: dump list of unfreed memory at conclusion\n")); 591 PetscCall((*PetscHelpPrintf)(comm, " -malloc: use PETSc error checking malloc (deprecated, use -malloc_debug)\n")); 592 PetscCall((*PetscHelpPrintf)(comm, " -malloc no: don't use PETSc error checking malloc (deprecated, use -malloc_debug no)\n")); 593 PetscCall((*PetscHelpPrintf)(comm, " -malloc_info: prints total memory usage\n")); 594 PetscCall((*PetscHelpPrintf)(comm, " -malloc_view <optional filename>: keeps log of all memory allocations, displays in PetscFinalize()\n")); 595 PetscCall((*PetscHelpPrintf)(comm, " -malloc_debug <true or false>: enables or disables extended checking for memory corruption\n")); 596 PetscCall((*PetscHelpPrintf)(comm, " -options_view: dump list of options inputted\n")); 597 PetscCall((*PetscHelpPrintf)(comm, " -options_left: dump list of unused options\n")); 598 PetscCall((*PetscHelpPrintf)(comm, " -options_left no: don't dump list of unused options\n")); 599 PetscCall((*PetscHelpPrintf)(comm, " -tmp tmpdir: alternative /tmp directory\n")); 600 PetscCall((*PetscHelpPrintf)(comm, " -shared_tmp: tmp directory is shared by all processors\n")); 601 PetscCall((*PetscHelpPrintf)(comm, " -not_shared_tmp: each processor has separate tmp directory\n")); 602 PetscCall((*PetscHelpPrintf)(comm, " -memory_view: print memory usage at end of run\n")); 603 #if defined(PETSC_USE_LOG) 604 PetscCall((*PetscHelpPrintf)(comm, " -get_total_flops: total flops over all processors\n")); 605 PetscCall((*PetscHelpPrintf)(comm, " -log_view [:filename:[format]]: logging objects and events\n")); 606 PetscCall((*PetscHelpPrintf)(comm, " -log_trace [filename]: prints trace of all PETSc calls\n")); 607 PetscCall((*PetscHelpPrintf)(comm, " -log_exclude <list,of,classnames>: exclude given classes from logging\n")); 608 #if defined(PETSC_HAVE_DEVICE) 609 PetscCall((*PetscHelpPrintf)(comm, " -log_view_gpu_time: log the GPU time for each and event\n")); 610 #endif 611 #if defined(PETSC_HAVE_MPE) 612 PetscCall((*PetscHelpPrintf)(comm, " -log_mpe: Also create logfile viewable through Jumpshot\n")); 613 #endif 614 #endif 615 #if defined(PETSC_USE_INFO) 616 PetscCall((*PetscHelpPrintf)(comm, " -info [filename][:[~]<list,of,classnames>[:[~]self]]: print verbose information\n")); 617 #endif 618 PetscCall((*PetscHelpPrintf)(comm, " -options_file <file>: reads options from file\n")); 619 PetscCall((*PetscHelpPrintf)(comm, " -options_monitor: monitor options to standard output, including that set previously e.g. in option files\n")); 620 PetscCall((*PetscHelpPrintf)(comm, " -options_monitor_cancel: cancels all hardwired option monitors\n")); 621 PetscCall((*PetscHelpPrintf)(comm, " -petsc_sleep n: sleeps n seconds before running program\n")); 622 } 623 624 #if defined(PETSC_HAVE_POPEN) 625 { 626 char machine[128]; 627 PetscCall(PetscOptionsGetString(NULL, NULL, "-popen_machine", machine, sizeof(machine), &flg1)); 628 if (flg1) PetscCall(PetscPOpenSetMachine(machine)); 629 } 630 #endif 631 632 PetscCall(PetscOptionsGetReal(NULL, NULL, "-petsc_sleep", &si, &flg1)); 633 if (flg1) PetscCall(PetscSleep(si)); 634 PetscFunctionReturn(PETSC_SUCCESS); 635 } 636