Actual source code: init.c
petsc-3.5.0 2014-06-30
1: /*
3: This file defines part of the initialization of PETSc
5: This file uses regular malloc and free because it cannot known
6: what malloc is being used until it has already processed the input.
7: */
9: #define PETSC_DESIRE_COMPLEX
10: #include <petscsys.h> /*I "petscsys.h" I*/
11: #include <petscviewer.h>
13: #if defined(PETSC_HAVE_SYS_SYSINFO_H)
14: #include <sys/sysinfo.h>
15: #endif
16: #if defined(PETSC_HAVE_UNISTD_H)
17: #include <unistd.h>
18: #endif
20: /* ------------------------Nasty global variables -------------------------------*/
21: /*
22: Indicates if PETSc started up MPI, or it was
23: already started before PETSc was initialized.
24: */
25: PetscBool PetscBeganMPI = PETSC_FALSE;
26: PetscBool PetscInitializeCalled = PETSC_FALSE;
27: PetscBool PetscFinalizeCalled = PETSC_FALSE;
29: PetscMPIInt PetscGlobalRank = -1;
30: PetscMPIInt PetscGlobalSize = -1;
32: #if defined(PETSC_HAVE_COMPLEX)
33: #if defined(PETSC_COMPLEX_INSTANTIATE)
34: template <> class std::complex<double>; /* instantiate complex template class */
35: #endif
36: #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
37: MPI_Datatype MPIU_C_DOUBLE_COMPLEX;
38: MPI_Datatype MPIU_C_COMPLEX;
39: #endif
41: /*MC
42: PETSC_i - the imaginary number i
44: Synopsis:
45: #define PETSC_DESIRE_COMPLEX
46: #include <petscsys.h>
47: PetscComplex PETSC_i;
49: Level: beginner
51: Note:
52: Complex numbers are automatically available if PETSc was configured --with-scalar-type=complex (in which case
53: PetscComplex will match PetscScalar), otherwise the macro PETSC_DESIRE_COMPLEX must be defined before including any
54: PETSc headers. If the compiler supports complex numbers, PetscComplex and associated variables and functions will be
55: defined and PETSC_HAVE_COMPLEX will be set.
57: .seealso: PetscRealPart(), PetscImaginaryPart(), PetscRealPartComplex(), PetscImaginaryPartComplex()
58: M*/
59: PetscComplex PETSC_i;
60: #endif
61: #if defined(PETSC_USE_REAL___FLOAT128)
62: MPI_Datatype MPIU___FLOAT128 = 0;
63: #if defined(PETSC_HAVE_COMPLEX)
64: MPI_Datatype MPIU___COMPLEX128 = 0;
65: #endif
66: #endif
67: MPI_Datatype MPIU_2SCALAR = 0;
68: #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT)
69: MPI_Datatype MPIU_2INT = 0;
70: #endif
71: MPI_Datatype MPIU_BOOL;
72: MPI_Datatype MPIU_ENUM;
74: /*
75: Function that is called to display all error messages
76: */
77: PetscErrorCode (*PetscErrorPrintf)(const char [],...) = PetscErrorPrintfDefault;
78: PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char [],...) = PetscHelpPrintfDefault;
79: #if defined(PETSC_HAVE_MATLAB_ENGINE)
80: PetscErrorCode (*PetscVFPrintf)(FILE*,const char[],va_list) = PetscVFPrintf_Matlab;
81: #else
82: PetscErrorCode (*PetscVFPrintf)(FILE*,const char[],va_list) = PetscVFPrintfDefault;
83: #endif
84: /*
85: This is needed to turn on/off GPU synchronization
86: */
87: PetscBool PetscCUSPSynchronize = PETSC_FALSE;
88: PetscBool PetscViennaCLSynchronize = PETSC_FALSE;
90: /* ------------------------------------------------------------------------------*/
91: /*
92: Optional file where all PETSc output from various prints is saved
93: */
94: FILE *petsc_history = NULL;
98: PetscErrorCode PetscOpenHistoryFile(const char filename[],FILE **fd)
99: {
101: PetscMPIInt rank,size;
102: char pfile[PETSC_MAX_PATH_LEN],pname[PETSC_MAX_PATH_LEN],fname[PETSC_MAX_PATH_LEN],date[64];
103: char version[256];
106: MPI_Comm_rank(PETSC_COMM_WORLD,&rank);
107: if (!rank) {
108: char arch[10];
109: int err;
111: PetscGetArchType(arch,10);
112: PetscGetDate(date,64);
113: PetscGetVersion(version,256);
114: MPI_Comm_size(PETSC_COMM_WORLD,&size);
115: if (filename) {
116: PetscFixFilename(filename,fname);
117: } else {
118: PetscGetHomeDirectory(pfile,240);
119: PetscStrcat(pfile,"/.petschistory");
120: PetscFixFilename(pfile,fname);
121: }
123: *fd = fopen(fname,"a");
124: if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open file: %s",fname);
126: PetscFPrintf(PETSC_COMM_SELF,*fd,"---------------------------------------------------------\n");
127: PetscFPrintf(PETSC_COMM_SELF,*fd,"%s %s\n",version,date);
128: PetscGetProgramName(pname,PETSC_MAX_PATH_LEN);
129: PetscFPrintf(PETSC_COMM_SELF,*fd,"%s on a %s, %d proc. with options:\n",pname,arch,size);
130: PetscFPrintf(PETSC_COMM_SELF,*fd,"---------------------------------------------------------\n");
132: err = fflush(*fd);
133: if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fflush() failed on file");
134: }
135: return(0);
136: }
140: PetscErrorCode PetscCloseHistoryFile(FILE **fd)
141: {
143: PetscMPIInt rank;
144: char date[64];
145: int err;
148: MPI_Comm_rank(PETSC_COMM_WORLD,&rank);
149: if (!rank) {
150: PetscGetDate(date,64);
151: PetscFPrintf(PETSC_COMM_SELF,*fd,"---------------------------------------------------------\n");
152: PetscFPrintf(PETSC_COMM_SELF,*fd,"Finished at %s\n",date);
153: PetscFPrintf(PETSC_COMM_SELF,*fd,"---------------------------------------------------------\n");
154: err = fflush(*fd);
155: if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fflush() failed on file");
156: err = fclose(*fd);
157: if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file");
158: }
159: return(0);
160: }
162: /* ------------------------------------------------------------------------------*/
164: /*
165: This is ugly and probably belongs somewhere else, but I want to
166: be able to put a true MPI abort error handler with command line args.
168: This is so MPI errors in the debugger will leave all the stack
169: frames. The default MP_Abort() cleans up and exits thus providing no useful information
170: in the debugger hence we call abort() instead of MPI_Abort().
171: */
175: void Petsc_MPI_AbortOnError(MPI_Comm *comm,PetscMPIInt *flag)
176: {
178: (*PetscErrorPrintf)("MPI error %d\n",*flag);
179: abort();
180: }
184: void Petsc_MPI_DebuggerOnError(MPI_Comm *comm,PetscMPIInt *flag)
185: {
189: (*PetscErrorPrintf)("MPI error %d\n",*flag);
190: PetscAttachDebugger();
191: if (ierr) MPI_Abort(*comm,*flag); /* hopeless so get out */
192: }
196: /*@C
197: PetscEnd - Calls PetscFinalize() and then ends the program. This is useful if one
198: wishes a clean exit somewhere deep in the program.
200: Collective on PETSC_COMM_WORLD
202: Options Database Keys are the same as for PetscFinalize()
204: Level: advanced
206: Note:
207: See PetscInitialize() for more general runtime options.
209: .seealso: PetscInitialize(), PetscOptionsView(), PetscMallocDump(), PetscMPIDump(), PetscFinalize()
210: @*/
211: PetscErrorCode PetscEnd(void)
212: {
214: PetscFinalize();
215: exit(0);
216: return 0;
217: }
219: PetscBool PetscOptionsPublish = PETSC_FALSE;
220: extern PetscErrorCode PetscSetUseTrMalloc_Private(void);
221: extern PetscBool petscsetmallocvisited;
222: static char emacsmachinename[256];
224: PetscErrorCode (*PetscExternalVersionFunction)(MPI_Comm) = 0;
225: PetscErrorCode (*PetscExternalHelpFunction)(MPI_Comm) = 0;
229: /*@C
230: PetscSetHelpVersionFunctions - Sets functions that print help and version information
231: before the PETSc help and version information is printed. Must call BEFORE PetscInitialize().
232: This routine enables a "higher-level" package that uses PETSc to print its messages first.
234: Input Parameter:
235: + help - the help function (may be NULL)
236: - version - the version function (may be NULL)
238: Level: developer
240: Concepts: package help message
242: @*/
243: PetscErrorCode PetscSetHelpVersionFunctions(PetscErrorCode (*help)(MPI_Comm),PetscErrorCode (*version)(MPI_Comm))
244: {
246: PetscExternalHelpFunction = help;
247: PetscExternalVersionFunction = version;
248: return(0);
249: }
251: #if defined(PETSC_HAVE_CUDA)
252: #include <cublas.h>
253: #endif
257: PetscErrorCode PetscOptionsCheckInitial_Private(void)
258: {
259: char string[64],mname[PETSC_MAX_PATH_LEN],*f;
260: MPI_Comm comm = PETSC_COMM_WORLD;
261: PetscBool flg1 = PETSC_FALSE,flg2 = PETSC_FALSE,flg3 = PETSC_FALSE,flg4 = PETSC_FALSE,flag;
263: PetscReal si,logthreshold;
264: PetscInt intensity;
265: int i;
266: PetscMPIInt rank;
267: char version[256];
270: MPI_Comm_rank(PETSC_COMM_WORLD,&rank);
272: /*
273: Setup the memory management; support for tracing malloc() usage
274: */
275: PetscOptionsHasName(NULL,"-malloc_log",&flg3);
276: logthreshold = 0.0;
277: PetscOptionsGetReal(NULL,"-malloc_log_threshold",&logthreshold,&flg1);
278: if (flg1) flg3 = PETSC_TRUE;
279: #if defined(PETSC_USE_DEBUG)
280: PetscOptionsGetBool(NULL,"-malloc",&flg1,&flg2);
281: if ((!flg2 || flg1) && !petscsetmallocvisited) {
282: if (flg2 || !(PETSC_RUNNING_ON_VALGRIND)) {
283: /* turn off default -malloc if valgrind is being used */
284: PetscSetUseTrMalloc_Private();
285: }
286: }
287: #else
288: PetscOptionsGetBool(NULL,"-malloc_dump",&flg1,NULL);
289: PetscOptionsGetBool(NULL,"-malloc",&flg2,NULL);
290: if (flg1 || flg2 || flg3) {PetscSetUseTrMalloc_Private();}
291: #endif
292: if (flg3) {
293: PetscMallocSetDumpLogThreshold((PetscLogDouble)logthreshold);
294: }
295: flg1 = PETSC_FALSE;
296: PetscOptionsGetBool(NULL,"-malloc_debug",&flg1,NULL);
297: if (flg1) {
298: PetscSetUseTrMalloc_Private();
299: PetscMallocDebug(PETSC_TRUE);
300: }
301: flg1 = PETSC_FALSE;
302: PetscOptionsGetBool(NULL,"-malloc_test",&flg1,NULL);
303: #if defined(PETSC_USE_DEBUG)
304: if (flg1 && !PETSC_RUNNING_ON_VALGRIND) {
305: PetscSetUseTrMalloc_Private();
306: PetscMallocSetDumpLog();
307: PetscMallocDebug(PETSC_TRUE);
308: }
309: #endif
311: flg1 = PETSC_FALSE;
312: PetscOptionsGetBool(NULL,"-malloc_info",&flg1,NULL);
313: if (!flg1) {
314: flg1 = PETSC_FALSE;
315: PetscOptionsGetBool(NULL,"-memory_info",&flg1,NULL);
316: }
317: if (flg1) {
318: PetscMemorySetGetMaximumUsage();
319: }
321: /*
322: Set the display variable for graphics
323: */
324: PetscSetDisplay();
326: /*
327: Print the PETSc version information
328: */
329: PetscOptionsHasName(NULL,"-v",&flg1);
330: PetscOptionsHasName(NULL,"-version",&flg2);
331: PetscOptionsHasName(NULL,"-help",&flg3);
332: if (flg1 || flg2 || flg3) {
334: /*
335: Print "higher-level" package version message
336: */
337: if (PetscExternalVersionFunction) {
338: (*PetscExternalVersionFunction)(comm);
339: }
341: PetscGetVersion(version,256);
342: (*PetscHelpPrintf)(comm,"--------------------------------------------\
343: ------------------------------\n");
344: (*PetscHelpPrintf)(comm,"%s\n",version);
345: (*PetscHelpPrintf)(comm,"%s",PETSC_AUTHOR_INFO);
346: (*PetscHelpPrintf)(comm,"See docs/changes/index.html for recent updates.\n");
347: (*PetscHelpPrintf)(comm,"See docs/faq.html for problems.\n");
348: (*PetscHelpPrintf)(comm,"See docs/manualpages/index.html for help. \n");
349: (*PetscHelpPrintf)(comm,"Libraries linked from %s\n",PETSC_LIB_DIR);
350: (*PetscHelpPrintf)(comm,"--------------------------------------------\
351: ------------------------------\n");
352: }
354: /*
355: Print "higher-level" package help message
356: */
357: if (flg3) {
358: if (PetscExternalHelpFunction) {
359: (*PetscExternalHelpFunction)(comm);
360: }
361: }
363: /*
364: Setup the error handling
365: */
366: flg1 = PETSC_FALSE;
367: PetscOptionsGetBool(NULL,"-on_error_abort",&flg1,NULL);
368: if (flg1) {
369: MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_ARE_FATAL);
370: PetscPushErrorHandler(PetscAbortErrorHandler,0);
371: }
372: flg1 = PETSC_FALSE;
373: PetscOptionsGetBool(NULL,"-on_error_mpiabort",&flg1,NULL);
374: if (flg1) { PetscPushErrorHandler(PetscMPIAbortErrorHandler,0);}
375: flg1 = PETSC_FALSE;
376: PetscOptionsGetBool(NULL,"-mpi_return_on_error",&flg1,NULL);
377: if (flg1) {
378: MPI_Comm_set_errhandler(comm,MPI_ERRORS_RETURN);
379: }
380: flg1 = PETSC_FALSE;
381: PetscOptionsGetBool(NULL,"-no_signal_handler",&flg1,NULL);
382: if (!flg1) {PetscPushSignalHandler(PetscSignalHandlerDefault,(void*)0);}
383: flg1 = PETSC_FALSE;
384: PetscOptionsGetBool(NULL,"-fp_trap",&flg1,NULL);
385: if (flg1) {PetscSetFPTrap(PETSC_FP_TRAP_ON);}
386: PetscOptionsGetInt(NULL,"-check_pointer_intensity",&intensity,&flag);
389: /*
390: Setup debugger information
391: */
392: PetscSetDefaultDebugger();
393: PetscOptionsGetString(NULL,"-on_error_attach_debugger",string,64,&flg1);
394: if (flg1) {
395: MPI_Errhandler err_handler;
397: PetscSetDebuggerFromString(string);
398: MPI_Comm_create_errhandler((MPI_Handler_function*)Petsc_MPI_DebuggerOnError,&err_handler);
399: MPI_Comm_set_errhandler(comm,err_handler);
400: PetscPushErrorHandler(PetscAttachDebuggerErrorHandler,0);
401: }
402: PetscOptionsGetString(NULL,"-debug_terminal",string,64,&flg1);
403: if (flg1) { PetscSetDebugTerminal(string); }
404: PetscOptionsGetString(NULL,"-start_in_debugger",string,64,&flg1);
405: PetscOptionsGetString(NULL,"-stop_for_debugger",string,64,&flg2);
406: if (flg1 || flg2) {
407: PetscMPIInt size;
408: PetscInt lsize,*nodes;
409: MPI_Errhandler err_handler;
410: /*
411: we have to make sure that all processors have opened
412: connections to all other processors, otherwise once the
413: debugger has stated it is likely to receive a SIGUSR1
414: and kill the program.
415: */
416: MPI_Comm_size(PETSC_COMM_WORLD,&size);
417: if (size > 2) {
418: PetscMPIInt dummy = 0;
419: MPI_Status status;
420: for (i=0; i<size; i++) {
421: if (rank != i) {
422: MPI_Send(&dummy,1,MPI_INT,i,109,PETSC_COMM_WORLD);
423: }
424: }
425: for (i=0; i<size; i++) {
426: if (rank != i) {
427: MPI_Recv(&dummy,1,MPI_INT,i,109,PETSC_COMM_WORLD,&status);
428: }
429: }
430: }
431: /* check if this processor node should be in debugger */
432: PetscMalloc1(size,&nodes);
433: lsize = size;
434: PetscOptionsGetIntArray(NULL,"-debugger_nodes",nodes,&lsize,&flag);
435: if (flag) {
436: for (i=0; i<lsize; i++) {
437: if (nodes[i] == rank) { flag = PETSC_FALSE; break; }
438: }
439: }
440: if (!flag) {
441: PetscSetDebuggerFromString(string);
442: PetscPushErrorHandler(PetscAbortErrorHandler,0);
443: if (flg1) {
444: PetscAttachDebugger();
445: } else {
446: PetscStopForDebugger();
447: }
448: MPI_Comm_create_errhandler((MPI_Handler_function*)Petsc_MPI_AbortOnError,&err_handler);
449: MPI_Comm_set_errhandler(comm,err_handler);
450: }
451: PetscFree(nodes);
452: }
454: PetscOptionsGetString(NULL,"-on_error_emacs",emacsmachinename,128,&flg1);
455: if (flg1 && !rank) {PetscPushErrorHandler(PetscEmacsClientErrorHandler,emacsmachinename);}
457: /*
458: Setup profiling and logging
459: */
460: #if defined(PETSC_USE_INFO)
461: {
462: char logname[PETSC_MAX_PATH_LEN]; logname[0] = 0;
463: PetscOptionsGetString(NULL,"-info",logname,250,&flg1);
464: if (flg1 && logname[0]) {
465: PetscInfoAllow(PETSC_TRUE,logname);
466: } else if (flg1) {
467: PetscInfoAllow(PETSC_TRUE,NULL);
468: }
469: }
470: #endif
471: #if defined(PETSC_USE_LOG)
472: mname[0] = 0;
473: PetscOptionsGetString(NULL,"-history",mname,PETSC_MAX_PATH_LEN,&flg1);
474: if (flg1) {
475: if (mname[0]) {
476: PetscOpenHistoryFile(mname,&petsc_history);
477: } else {
478: PetscOpenHistoryFile(NULL,&petsc_history);
479: }
480: }
481: #if defined(PETSC_HAVE_MPE)
482: flg1 = PETSC_FALSE;
483: PetscOptionsHasName(NULL,"-log_mpe",&flg1);
484: if (flg1) {PetscLogMPEBegin();}
485: #endif
486: flg1 = PETSC_FALSE;
487: flg2 = PETSC_FALSE;
488: flg3 = PETSC_FALSE;
489: PetscOptionsGetBool(NULL,"-log_all",&flg1,NULL);
490: PetscOptionsGetBool(NULL,"-log",&flg2,NULL);
491: PetscOptionsHasName(NULL,"-log_summary",&flg3);
492: PetscOptionsHasName(NULL,"-log_view",&flg4);
493: if (flg1) { PetscLogAllBegin(); }
494: else if (flg2 || flg3 || flg4) { PetscLogBegin();}
496: PetscOptionsGetString(NULL,"-log_trace",mname,250,&flg1);
497: if (flg1) {
498: char name[PETSC_MAX_PATH_LEN],fname[PETSC_MAX_PATH_LEN];
499: FILE *file;
500: if (mname[0]) {
501: sprintf(name,"%s.%d",mname,rank);
502: PetscFixFilename(name,fname);
503: file = fopen(fname,"w");
504: if (!file) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to open trace file: %s",fname);
505: } else file = PETSC_STDOUT;
507: PetscLogTraceBegin(file);
508: }
509: #endif
511: PetscOptionsGetBool(NULL,"-saws_options",&PetscOptionsPublish,NULL);
513: #if defined(PETSC_HAVE_CUDA)
514: PetscOptionsHasName(NULL,"-cuda_show_devices",&flg1);
515: if (flg1) {
516: struct cudaDeviceProp prop;
517: int devCount;
518: int device;
519: cudaError_t err = cudaSuccess;
520: err = cudaGetDeviceCount(&devCount);
521: if (err != cudaSuccess)
522: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SYS,"error in cudaGetDeviceCount %s",cudaGetErrorString(err));
523: for (device = 0; device < devCount; ++device) {
524: err = cudaGetDeviceProperties(&prop, device);
525: if (err != cudaSuccess)
526: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SYS,"error in cudaGetDeviceProperties %s",cudaGetErrorString(err));
527: PetscPrintf(PETSC_COMM_WORLD, "CUDA device %d: %s\n", device, prop.name);
528: }
529: }
530: {
531: int size;
532: MPI_Comm_size(PETSC_COMM_WORLD,&size);
533: if (size>1) {
534: int devCount, device, rank;
535: cudaError_t err = cudaSuccess;
537: /* check to see if we force multiple ranks to hit the same GPU */
538: PetscOptionsGetInt(NULL,"-cuda_set_device", &device, &flg1);
539: if (flg1) {
540: cudaSetDevice(device);
541: if (err != cudaSuccess)
542: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SYS,"error in cudaSetDevice %s",cudaGetErrorString(err));
543: } else {
544: /* we're not using the same GPU on multiple MPI threads. So try to allocated different
545: GPUs to different threads */
547: /* First get the device count */
548: err = cudaGetDeviceCount(&devCount);
549: if (err != cudaSuccess)
550: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SYS,"error in cudaGetDeviceCount %s",cudaGetErrorString(err));
552: /* next determine the rank and then set the device via a mod */
553: MPI_Comm_rank(PETSC_COMM_WORLD,&rank);
554: device = rank % devCount;
555: err = cudaSetDevice(device);
556: if (err != cudaSuccess)
557: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SYS,"error in cudaSetDevice %s",cudaGetErrorString(err));
558: }
560: /* set the device flags so that it can map host memory ... do NOT throw exception on err!=cudaSuccess
561: multiple devices may try to set the flags on the same device. So long as one of them succeeds, things
562: are ok. */
563: err = cudaSetDeviceFlags(cudaDeviceMapHost);
565: } else {
566: int device;
567: cudaError_t err = cudaSuccess;
569: /* the code below works for serial GPU simulations */
570: PetscOptionsGetInt(NULL,"-cuda_set_device", &device, &flg1);
571: if (flg1) {
572: cudaSetDevice(device);
573: }
575: /* set the device flags so that it can map host memory ... here, we error check. */
576: err = cudaSetDeviceFlags(cudaDeviceMapHost);
577: if (err != cudaSuccess)
578: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SYS,"error in cudaSetDevice %s",cudaGetErrorString(err));
579: }
580: }
581: #endif
584: /*
585: Print basic help message
586: */
587: PetscOptionsHasName(NULL,"-help",&flg1);
588: if (flg1) {
589: (*PetscHelpPrintf)(comm,"Options for all PETSc programs:\n");
590: (*PetscHelpPrintf)(comm," -help: prints help method for each option\n");
591: (*PetscHelpPrintf)(comm," -on_error_abort: cause an abort when an error is detected. Useful \n ");
592: (*PetscHelpPrintf)(comm," only when run in the debugger\n");
593: (*PetscHelpPrintf)(comm," -on_error_attach_debugger [gdb,dbx,xxgdb,ups,noxterm]\n");
594: (*PetscHelpPrintf)(comm," start the debugger in new xterm\n");
595: (*PetscHelpPrintf)(comm," unless noxterm is given\n");
596: (*PetscHelpPrintf)(comm," -start_in_debugger [gdb,dbx,xxgdb,ups,noxterm]\n");
597: (*PetscHelpPrintf)(comm," start all processes in the debugger\n");
598: (*PetscHelpPrintf)(comm," -on_error_emacs <machinename>\n");
599: (*PetscHelpPrintf)(comm," emacs jumps to error file\n");
600: (*PetscHelpPrintf)(comm," -debugger_nodes [n1,n2,..] Nodes to start in debugger\n");
601: (*PetscHelpPrintf)(comm," -debugger_pause [m] : delay (in seconds) to attach debugger\n");
602: (*PetscHelpPrintf)(comm," -stop_for_debugger : prints message on how to attach debugger manually\n");
603: (*PetscHelpPrintf)(comm," waits the delay for you to attach\n");
604: (*PetscHelpPrintf)(comm," -display display: Location where X window graphics and debuggers are displayed\n");
605: (*PetscHelpPrintf)(comm," -no_signal_handler: do not trap error signals\n");
606: (*PetscHelpPrintf)(comm," -mpi_return_on_error: MPI returns error code, rather than abort on internal error\n");
607: (*PetscHelpPrintf)(comm," -fp_trap: stop on floating point exceptions\n");
608: (*PetscHelpPrintf)(comm," note on IBM RS6000 this slows run greatly\n");
609: (*PetscHelpPrintf)(comm," -malloc_dump <optional filename>: dump list of unfreed memory at conclusion\n");
610: (*PetscHelpPrintf)(comm," -malloc: use our error checking malloc\n");
611: (*PetscHelpPrintf)(comm," -malloc no: don't use error checking malloc\n");
612: (*PetscHelpPrintf)(comm," -malloc_info: prints total memory usage\n");
613: (*PetscHelpPrintf)(comm," -malloc_log: keeps log of all memory allocations\n");
614: (*PetscHelpPrintf)(comm," -malloc_debug: enables extended checking for memory corruption\n");
615: (*PetscHelpPrintf)(comm," -options_table: dump list of options inputted\n");
616: (*PetscHelpPrintf)(comm," -options_left: dump list of unused options\n");
617: (*PetscHelpPrintf)(comm," -options_left no: don't dump list of unused options\n");
618: (*PetscHelpPrintf)(comm," -tmp tmpdir: alternative /tmp directory\n");
619: (*PetscHelpPrintf)(comm," -shared_tmp: tmp directory is shared by all processors\n");
620: (*PetscHelpPrintf)(comm," -not_shared_tmp: each processor has separate tmp directory\n");
621: (*PetscHelpPrintf)(comm," -memory_info: print memory usage at end of run\n");
622: (*PetscHelpPrintf)(comm," -server <port>: Run PETSc webserver (default port is 8080) see PetscWebServe()\n");
623: #if defined(PETSC_USE_LOG)
624: (*PetscHelpPrintf)(comm," -get_total_flops: total flops over all processors\n");
625: (*PetscHelpPrintf)(comm," -log[_summary _summary_python]: logging objects and events\n");
626: (*PetscHelpPrintf)(comm," -log_trace [filename]: prints trace of all PETSc calls\n");
627: #if defined(PETSC_HAVE_MPE)
628: (*PetscHelpPrintf)(comm," -log_mpe: Also create logfile viewable through Jumpshot\n");
629: #endif
630: (*PetscHelpPrintf)(comm," -info <optional filename>: print informative messages about the calculations\n");
631: #endif
632: (*PetscHelpPrintf)(comm," -v: prints PETSc version number and release date\n");
633: (*PetscHelpPrintf)(comm," -options_file <file>: reads options from file\n");
634: (*PetscHelpPrintf)(comm," -petsc_sleep n: sleeps n seconds before running program\n");
635: (*PetscHelpPrintf)(comm,"-----------------------------------------------\n");
636: }
638: #if defined(PETSC_HAVE_POPEN)
639: {
640: char machine[128];
641: PetscOptionsGetString(NULL,"-popen_machine",machine,128,&flg1);
642: if (flg1) {
643: PetscPOpenSetMachine(machine);
644: }
645: }
646: #endif
648: PetscOptionsGetReal(NULL,"-petsc_sleep",&si,&flg1);
649: if (flg1) {
650: PetscSleep(si);
651: }
653: PetscOptionsGetString(NULL,"-info_exclude",mname,PETSC_MAX_PATH_LEN,&flg1);
654: PetscStrstr(mname,"null",&f);
655: if (f) {
656: PetscInfoDeactivateClass(0);
657: }
659: #if defined(PETSC_HAVE_CUSP) || defined(PETSC_HAVE_VIENNACL)
660: PetscOptionsHasName(NULL,"-log_summary",&flg3);
661: if (!flg3) {
662: PetscOptionsHasName(NULL,"-log_view",&flg3);
663: }
664: #endif
665: #if defined(PETSC_HAVE_CUSP)
666: PetscOptionsGetBool(NULL,"-cusp_synchronize",&flg3,NULL);
667: PetscCUSPSynchronize = flg3;
668: #elif defined(PETSC_HAVE_VIENNACL)
669: PetscOptionsGetBool(NULL,"-viennacl_synchronize",&flg3,NULL);
670: PetscViennaCLSynchronize = flg3;
671: #endif
672: return(0);
673: }