Actual source code: petsclog.h

  1: /*
  2:     Defines profile/logging in PETSc.
  3: */

 7:  #include petsc.h
  9: /*
 10:   Each PETSc object class has it's own cookie (internal integer in the 
 11:   data structure used for error checking). These are all defined by an offset 
 12:   from the lowest one, PETSC_COOKIE.
 13: */
 14: #define PETSC_COOKIE 1211211
 16: #define PETSC_EVENT  1311311

 19: /* Events for the Petsc standard library */

 22: /* Global flop counter */

 25: /* General logging of information; different from event logging */
 26: EXTERN PetscErrorCode        PetscLogInfo(void*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3);
 27: EXTERN PetscErrorCode        PetscLogInfoDeactivateClass(PetscCookie);
 28: EXTERN PetscErrorCode        PetscLogInfoActivateClass(PetscCookie);

 31: #if defined(PETSC_USE_LOG)  /* --- Logging is turned on --------------------------------*/

 33: /* 
 34:    Flop counting:  We count each arithmetic operation (e.g., addition, multiplication) separately.

 36:    For the complex numbers version, note that
 37:        1 complex addition = 2 flops
 38:        1 complex multiplication = 6 flops,
 39:    where we define 1 flop as that for a double precision scalar.  We roughly approximate
 40:    flop counting for complex numbers by multiplying the total flops by 4; this corresponds
 41:    to the assumption that we're counting mostly additions and multiplications -- and
 42:    roughly the same number of each.  More accurate counting could be done by distinguishing
 43:    among the various arithmetic operations.
 44:  */

 46: #if defined(PETSC_USE_COMPLEX)
 47: #define PetscLogFlops(n) (_TotalFlops += (4*n),0)
 48: #else
 49: #define PetscLogFlops(n) (_TotalFlops += (n),0)
 50: #endif

 52: #if defined (PETSC_HAVE_MPE)
 53: #include "mpe.h"
 54: EXTERN PetscErrorCode        PetscLogMPEBegin(void);
 55: EXTERN PetscErrorCode        PetscLogMPEDump(const char[]);
 57: #define PETSC_LOG_EVENT_MPE_BEGIN(e) \
 58:   if(UseMPE && _stageLog->stageInfo[_stageLog->curStage].eventLog->eventInfo[e].active) \
 59:     MPE_Log_event(_stageLog->eventLog->eventInfo[e].mpe_id_begin,0,(char*)"");

 61: #define PETSC_LOG_EVENT_MPE_END(e) \
 62:   if(UseMPE && _stageLog->stageInfo[_stageLog->curStage].eventLog->eventInfo[e].active) \
 63:     MPE_Log_event(_stageLog->eventLog->eventInfo[e].mpe_id_end,0,(char*)"");

 65: #else 
 66: #define PETSC_LOG_EVENT_MPE_BEGIN(e)
 67: #define PETSC_LOG_EVENT_MPE_END(e)
 68: #endif

 70: EXTERN PetscErrorCode (*_PetscLogPLB)(PetscEvent,int,PetscObject,PetscObject,PetscObject,PetscObject);
 71: EXTERN PetscErrorCode (*_PetscLogPLE)(PetscEvent,int,PetscObject,PetscObject,PetscObject,PetscObject);
 72: EXTERN PetscErrorCode (*_PetscLogPHC)(PetscObject);
 73: EXTERN PetscErrorCode (*_PetscLogPHD)(PetscObject);

 75: #define PetscLogObjectParent(p,c) \
 76:   if (c) {\
 79:     ((PetscObject)(c))->parent = (PetscObject)(p);\
 80:     ((PetscObject)(c))->parentid = ((PetscObject)p)->id;\
 81:   }
 82: #define PetscLogObjectParents(p,n,d) {int _i; for (_i=0; _i<n; _i++) PetscLogObjectParent(p,(d)[_i]);}
 83: #define PetscLogObjectCreate(h)      {if (_PetscLogPHC) (*_PetscLogPHC)((PetscObject)h);}
 84: #define PetscLogObjectDestroy(h)     {if (_PetscLogPHD) (*_PetscLogPHD)((PetscObject)h);}
 86: /* Initialization functions */
 87: EXTERN PetscErrorCode PetscLogBegin(void);
 88: EXTERN PetscErrorCode PetscLogAllBegin(void);
 89: EXTERN PetscErrorCode PetscLogTraceBegin(FILE *);
 90: EXTERN PetscErrorCode PetscLogActions(PetscTruth);
 91: EXTERN PetscErrorCode PetscLogObjects(PetscTruth);
 92: /* General functions */
 93: EXTERN PetscErrorCode PetscLogGetRGBColor(const char*[]);
 94: EXTERN PetscErrorCode PetscLogDestroy(void);
 95: EXTERN PetscErrorCode PetscLogSet(PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject),
 96:                    PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject));
 97: EXTERN PetscErrorCode PetscLogObjectState(PetscObject, const char[], ...)  PETSC_PRINTF_FORMAT_CHECK(2,3);
 98: /* Output functions */
 99: EXTERN PetscErrorCode PetscLogPrintSummary(MPI_Comm, const char[]);
100: EXTERN PetscErrorCode PetscLogDump(const char[]);
101: /* Counter functions */
102: EXTERN PetscErrorCode PetscGetFlops(PetscLogDouble *);
103: /* Stage functions */
104: EXTERN PetscErrorCode PetscLogStageRegister(int*, const char[]);
105: EXTERN PetscErrorCode PetscLogStagePush(int);
106: EXTERN PetscErrorCode PetscLogStagePop(void);
107: EXTERN PetscErrorCode PetscLogStageSetActive(int, PetscTruth);
108: EXTERN PetscErrorCode PetscLogStageGetActive(int, PetscTruth *);
109: EXTERN PetscErrorCode PetscLogStageSetVisible(int, PetscTruth);
110: EXTERN PetscErrorCode PetscLogStageGetVisible(int, PetscTruth *);
111: EXTERN PetscErrorCode PetscLogStageGetId(const char [], int *);
112: /* Event functions */
113: EXTERN PetscErrorCode PetscLogEventRegister(PetscEvent*, const char[], PetscCookie);
114: EXTERN PetscErrorCode PetscLogEventActivate(PetscEvent);
115: EXTERN PetscErrorCode PetscLogEventDeactivate(PetscEvent);
116: EXTERN PetscErrorCode PetscLogEventSetActiveAll(PetscEvent, PetscTruth);
117: EXTERN PetscErrorCode PetscLogEventActivateClass(PetscCookie);
118: EXTERN PetscErrorCode PetscLogEventDeactivateClass(PetscCookie);
119: /* Class functions */
120: EXTERN PetscErrorCode PetscLogClassRegister(PetscCookie*, const char []);

122: /* Global counters */

129: /* We must make these structures available if we are to access the event
130:    activation flags in the PetscLogEventBegin/End() macros. If we forced a
131:    function call each time, we could leave these structures in plog.h
132: */
133: /* Default log */
134: typedef struct _StageLog *StageLog;

137: /* A simple stack (should replace) */
138: typedef struct _IntStack *IntStack;

140: /* The structures for logging performance */
141: typedef struct _EventPerfInfo {
142:   int            id;            /* The integer identifying this section */
143:   PetscTruth     active;        /* The flag to activate logging */
144:   PetscTruth     visible;       /* The flag to print info in summary */
145:   int            depth;         /* The nesting depth of the event call */
146:   int            count;         /* The number of times this section was executed */
147:   PetscLogDouble flops;         /* The flops used in this section */
148:   PetscLogDouble time;          /* The time taken for this section */
149:   PetscLogDouble numMessages;   /* The number of messages in this section */
150:   PetscLogDouble messageLength; /* The total message lengths in this section */
151:   PetscLogDouble numReductions; /* The number of reductions in this section */
152: } EventPerfInfo;

154: typedef struct _ClassPerfInfo {
155:   int            id;           /* The integer identifying this class */
156:   int            creations;    /* The number of objects of this class created */
157:   int            destructions; /* The number of objects of this class destroyed */
158:   PetscLogDouble mem;          /* The total memory allocated by objects of this class */
159:   PetscLogDouble descMem;      /* The total memory allocated by descendents of these objects */
160: } ClassPerfInfo;

162: /* The structures for logging registration */
163: typedef struct _ClassRegInfo {
164:   char            *name;   /* The class name */
165:   PetscCookie cookie; /* The integer identifying this class */
166: } ClassRegInfo;

168: typedef struct _EventRegInfo {
169:   char            *name;   /* The name of this event */
170:   PetscCookie cookie; /* The class id for this event (should maybe give class ID instead) */
171: #if defined (PETSC_HAVE_MPE)
172:   int             mpe_id_begin; /* MPE IDs that define the event */
173:   int             mpe_id_end;
174: #endif
175: } EventRegInfo;

177: typedef struct _EventRegLog *EventRegLog;
178: struct _EventRegLog {
179:   int           numEvents; /* The number of registered events */
180:   int           maxEvents; /* The maximum number of events */
181:   EventRegInfo *eventInfo; /* The registration information for each event */
182: };

184: typedef struct _EventPerfLog *EventPerfLog;
185: struct _EventPerfLog {
186:   int            numEvents; /* The number of logging events */
187:   int            maxEvents; /* The maximum number of events */
188:   EventPerfInfo *eventInfo; /* The performance information for each event */
189: };

191: /* The structure for logging class information */
192: typedef struct _ClassRegLog *ClassRegLog;
193: struct _ClassRegLog {
194:   int           numClasses; /* The number of classes registered */
195:   int           maxClasses; /* The maximum number of classes */
196:   ClassRegInfo *classInfo;  /* The structure for class information (cookies are monotonicly increasing) */
197: };

199: typedef struct _ClassPerfLog *ClassPerfLog;
200: struct _ClassPerfLog {
201:   int            numClasses; /* The number of logging classes */
202:   int            maxClasses; /* The maximum number of classes */
203:   ClassPerfInfo *classInfo;  /* The structure for class information (cookies are monotonicly increasing) */
204: };

206: /* The structures for logging in stages */
207: typedef struct _StageInfo {
208:   char         *name;     /* The stage name */
209:   PetscTruth    used;     /* The stage was pushed on this processor */
210:   EventPerfInfo perfInfo; /* The stage performance information */
211:   EventPerfLog  eventLog; /* The event information for this stage */
212:   ClassPerfLog  classLog; /* The class information for this stage */
213: } StageInfo;

215: struct _StageLog {
216:   /* Size information */
217:   int         numStages; /* The number of registered stages */
218:   int         maxStages; /* The maximum number of stages */
219:   /* Runtime information */
220:   IntStack    stack;     /* The stack for active stages */
221:   int         curStage;  /* The current stage (only used in macros so we don't call StackTop) */
222:   /* Stage specific information */
223:   StageInfo  *stageInfo; /* The information for each stage */
224:   EventRegLog eventLog;  /* The registered events */
225:   ClassRegLog classLog;  /* The registered classes */
226: };

228: #define PetscLogEventBarrierBegin(e,o1,o2,o3,o4,cm) 0; \
229: {\
230:   int _2_ierr;\
231:   if (_PetscLogPLB && \
232:       _stageLog->stageInfo[_stageLog->curStage].perfInfo.active && \
233:       _stageLog->stageInfo[_stageLog->curStage].eventLog->eventInfo[e].active) {\
234:     _2_PetscLogEventBegin((e),o1,o2,o3,o4);CHKERRQ(_2_ierr);\
235:     _2_MPI_Barrier(cm);CHKERRQ(_2_ierr);\
236:     _2_PetscLogEventEnd((e),o1,o2,o3,o4);CHKERRQ(_2_ierr);\
237:   }\
238:   _2_PetscLogEventBegin((e)+1,o1,o2,o3,o4);CHKERRQ(_2_ierr);\
239: }

241: #define PetscLogEventBegin(e,o1,o2,o3,o4) 0; \
242: {\
243:   if (_PetscLogPLB && \
244:       _stageLog->stageInfo[_stageLog->curStage].perfInfo.active && \
245:       _stageLog->stageInfo[_stageLog->curStage].eventLog->eventInfo[e].active) {\
246:     (*_PetscLogPLB)((e),0,(PetscObject)(o1),(PetscObject)(o2),(PetscObject)(o3),(PetscObject)(o4));\
247:   }\
248:   PETSC_LOG_EVENT_MPE_BEGIN(e); \
249: }

251: #define PetscLogEventBarrierEnd(e,o1,o2,o3,o4,cm) PetscLogEventEnd(e+1,o1,o2,o3,o4)

253: #define PetscLogEventEnd(e,o1,o2,o3,o4) 0; \
254: {\
255:   if (_PetscLogPLE && \
256:       _stageLog->stageInfo[_stageLog->curStage].perfInfo.active && \
257:       _stageLog->stageInfo[_stageLog->curStage].eventLog->eventInfo[e].active) {\
258:     (*_PetscLogPLE)((e),0,(PetscObject)(o1),(PetscObject)(o2),(PetscObject)(o3),(PetscObject)(o4));\
259:   }\
260:   PETSC_LOG_EVENT_MPE_END(e); \
261: } 

263: /* Creation and destruction functions */
264: EXTERN PetscErrorCode StageLogCreate(StageLog *);
265: EXTERN PetscErrorCode StageLogDestroy(StageLog);
266: /* Registration functions */
267: EXTERN PetscErrorCode StageLogRegister(StageLog, const char [], int *);
268: /* Runtime functions */
269: EXTERN PetscErrorCode PetscLogGetStageLog(StageLog *);
270: EXTERN PetscErrorCode StageLogPush(StageLog, int);
271: EXTERN PetscErrorCode StageLogPop(StageLog);
272: EXTERN PetscErrorCode StageLogGetCurrent(StageLog, int *);
273: EXTERN PetscErrorCode StageLogSetActive(StageLog, int, PetscTruth);
274: EXTERN PetscErrorCode StageLogGetActive(StageLog, int, PetscTruth *);
275: EXTERN PetscErrorCode StageLogSetVisible(StageLog, int, PetscTruth);
276: EXTERN PetscErrorCode StageLogGetVisible(StageLog, int, PetscTruth *);
277: EXTERN PetscErrorCode StageLogGetStage(StageLog, const char [], int *);
278: EXTERN PetscErrorCode StageLogGetClassRegLog(StageLog, ClassRegLog *);
279: EXTERN PetscErrorCode StageLogGetEventRegLog(StageLog, EventRegLog *);
280: EXTERN PetscErrorCode StageLogGetClassPerfLog(StageLog, int, ClassPerfLog *);
281: EXTERN PetscErrorCode StageLogGetEventPerfLog(StageLog, int, EventPerfLog *);

283: /*
284:      This does not work for MPI-Uni because our include/mpiuni/mpi.h file
285:    uses macros to defined the MPI operations. 

287:      It does not work correctly from HP-UX because it processes the 
288:    macros in a way that sometimes it double counts, hence 
289:    PETSC_HAVE_BROKEN_RECURSIVE_MACRO

291:      It does not work with Windows because winmpich lacks MPI_Type_size()
292: */
293: #if !defined(_petsc_mpi_uni) && !defined(PETSC_HAVE_BROKEN_RECURSIVE_MACRO) && !defined (PETSC_HAVE_MPI_MISSING_TYPESIZE)
294: /*
295:    Logging of MPI activities
296: */

298: #define TypeSize(buff,count,type) \
299: (\
300:   MPI_Type_size(type,&PETSC_DUMMY_SIZE),buff += ((PetscLogDouble) ((count)*PETSC_DUMMY_SIZE))\
301: )

303: #define MPI_Irecv(buf,count, datatype,source,tag,comm,request) \
304: (\
305:   PETSC_DUMMY_COUNT = count,PETSC_DUMMY = MPI_Irecv(buf,PETSC_DUMMY_COUNT, datatype,source,tag,comm,request),\
306:   irecv_ct++,TypeSize(irecv_len,PETSC_DUMMY_COUNT,datatype),PETSC_DUMMY\
307: )

309: #define MPI_Isend(buf,count, datatype,dest,tag,comm,request) \
310: (\
311:   PETSC_DUMMY_COUNT = count,PETSC_DUMMY = MPI_Isend(buf,PETSC_DUMMY_COUNT, datatype,dest,tag,comm,request),\
312:   isend_ct++,  TypeSize(isend_len,PETSC_DUMMY_COUNT,datatype),PETSC_DUMMY\
313: )

315: #define MPI_Startall_irecv(count,number,requests) \
316: (\
317:   PETSC_DUMMY = MPI_Startall(number,requests),\
318:   irecv_ct += (PetscLogDouble)(number),irecv_len += ((PetscLogDouble) ((count)*sizeof(PetscScalar))),PETSC_DUMMY\
319: )

321: #define MPI_Startall_isend(count,number,requests) \
322: (\
323:   PETSC_DUMMY = MPI_Startall(number,requests),\
324:   isend_ct += (PetscLogDouble)(number),isend_len += ((PetscLogDouble) ((count)*sizeof(PetscScalar))),PETSC_DUMMY\
325: )

327: #define MPI_Start_isend(count, requests) \
328: (\
329:   PETSC_DUMMY = MPI_Start(requests),\
330:   isend_ct++,isend_len += ((PetscLogDouble) ((count)*sizeof(PetscScalar))),PETSC_DUMMY\
331: )

333: #define MPI_Recv(buf,count, datatype,source,tag,comm,status) \
334: (\
335:   PETSC_DUMMY_COUNT = count,PETSC_DUMMY = MPI_Recv(buf,PETSC_DUMMY_COUNT, datatype,source,tag,comm,status),\
336:   recv_ct++,TypeSize(recv_len,PETSC_DUMMY_COUNT,datatype),PETSC_DUMMY\
337: )

339: #define MPI_Send(buf,count, datatype,dest,tag,comm) \
340: (\
341:   PETSC_DUMMY_COUNT = count,PETSC_DUMMY = MPI_Send(buf,PETSC_DUMMY_COUNT, datatype,dest,tag,comm),\
342:   send_ct++, TypeSize(send_len,PETSC_DUMMY_COUNT,datatype),PETSC_DUMMY\
343: )

345: #define MPI_Wait(request,status) \
346: (\
347:   wait_ct++,sum_of_waits_ct++,\
348:   MPI_Wait(request,status)\
349: )

351: #define MPI_Waitany(a,b,c,d) \
352: (\
353:   wait_any_ct++,sum_of_waits_ct++,\
354:   MPI_Waitany(a,b,c,d)\
355: )

357: #define MPI_Waitall(count,array_of_requests,array_of_statuses) \
358: (\
359:   PETSC_DUMMY_COUNT= count,wait_all_ct++,sum_of_waits_ct += (PetscLogDouble) (PETSC_DUMMY_COUNT),\
360:   MPI_Waitall(PETSC_DUMMY_COUNT,array_of_requests,array_of_statuses)\
361: )

363: #define MPI_Allreduce(sendbuf, recvbuf,count,datatype,op,comm) \
364: (\
365:   allreduce_ct++,MPI_Allreduce(sendbuf,recvbuf,count,datatype,op,comm)\
366: )

368: #else

370: #define MPI_Startall_irecv(count,number,requests) \
371: (\
372:   MPI_Startall(number,requests)\
373: )

375: #define MPI_Startall_isend(count,number,requests) \
376: (\
377:   MPI_Startall(number,requests)\
378: )

380: #define MPI_Start_isend(count, requests) \
381: (\
382:   MPI_Start(requests)\
383: )

385: #endif /* !_petsc_mpi_uni && ! PETSC_HAVE_BROKEN_RECURSIVE_MACRO */

387: #else  /* ---Logging is turned off --------------------------------------------*/

389: #define PetscLogFlops(n) 0

391: /*
392:      With logging turned off, then MPE has to be turned off
393: */
394: #define PetscLogMPEBegin()         0
395: #define PetscLogMPEDump(a)         0

397: #define PetscLogEventActivate(a)   0
398: #define PetscLogEventDeactivate(a) 0

400: #define PetscLogEventActivateClass(a)   0
401: #define PetscLogEventDeactivateClass(a) 0

403: #define _PetscLogPLB                        0
404: #define _PetscLogPLE                        0
405: #define _PetscLogPHC                        0
406: #define _PetscLogPHD                        0
407: #define PetscGetFlops(a)                (*(a) = 0.0,0)
408: #define PetscLogEventBegin(e,o1,o2,o3,o4)   0
409: #define PetscLogEventEnd(e,o1,o2,o3,o4)     0
410: #define PetscLogEventBarrierBegin(e,o1,o2,o3,o4,cm) 0
411: #define PetscLogEventBarrierEnd(e,o1,o2,o3,o4,cm)   0
412: #define PetscLogObjectParent(p,c)
413: #define PetscLogObjectParents(p,n,c)
414: #define PetscLogObjectCreate(h)
415: #define PetscLogObjectDestroy(h)
416: #define PetscLogObjectMemory(p,m)
417: #define PetscLogDestroy()                   0
418: #define PetscLogStagePush(a)                0
419: #define PetscLogStagePop()                  0
420: #define PetscLogStageRegister(a,b)          0
421: #define PetscLogStagePrint(a,flg)           0
422: #define PetscLogPrintSummary(comm,file)     0
423: #define PetscLogBegin()                     0
424: #define PetscLogTraceBegin(file)            0
425: #define PetscLogSet(lb,le)                  0
426: #define PetscLogAllBegin()                  0
427: #define PetscLogDump(c)                     0
428: #define PetscLogEventRegister(a,b,c)        0
429: #define PetscLogObjects(a)                  0
430: #define PetscLogActions(a)                  0
431: EXTERN PetscErrorCode PetscLogObjectState(PetscObject,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3);

433: /* If PETSC_USE_LOG is NOT defined, these still need to be! */
434: #define MPI_Startall_irecv(count,number,requests) MPI_Startall(number,requests)
435: #define MPI_Startall_isend(count,number,requests) MPI_Startall(number,requests)
436: #define MPI_Start_isend(count,requests) MPI_Start(requests)

438: /* Creation and destruction functions */
439: #define StageLogCreate(stageLog)                     0
440: #define StageLogDestroy(stageLog)                    0
441: /* Registration functions */
442: #define StageLogRegister(stageLog, name, stage)      0
443: /* Runtime functions */
444: #define PetscLogGetStageLog(stageLog)                0
445: #define StageLogPush(stageLog, stage)                0
446: #define StageLogPop(stageLog)                        0
447: #define StageLogGetCurrent(stageLog, stage)          0
448: #define StageLogSetActive(stageLog, stage, active)   0
449: #define StageLogGetActive(stageLog, stage, active)   0
450: #define StageLogSetVisible(stageLog, stage, visible) 0
451: #define StageLogGetVisible(stageLog, stage, visible) 0
452: #define StageLogGetStage(stageLog, name, stage)      0

454: #endif   /* PETSC_USE_LOG */


459: #define PreLoadBegin(flag,name) \
460: {\
461:   PetscTruth PreLoading = flag;\
462:   int        PreLoadMax,PreLoadIt,_stageNum,_3_ierr;\
463:   _3_PetscOptionsGetLogical(PETSC_NULL,"-preload",&PreLoading,PETSC_NULL);CHKERRQ(_3_ierr);\
464:   PreLoadMax = (int)(PreLoading);\
465:   PetscPreLoadingUsed = PreLoading ? PETSC_TRUE : PetscPreLoadingUsed;\
466:   for (PreLoadIt=0; PreLoadIt<=PreLoadMax; PreLoadIt++) {\
467:     PetscPreLoadingOn = PreLoading;\
468:     _3_PetscBarrier(PETSC_NULL);CHKERRQ(_3_ierr);\
469:     if (PreLoadIt>0) {\
470:       _3_PetscLogStageGetId(name,&_stageNum);CHKERRQ(_3_ierr);\
471:     } else {\
472:       _3_PetscLogStageRegister(&_stageNum,name);CHKERRQ(_3_ierr);\
473:     }\
474:     _3_PetscLogStageSetActive(_stageNum,(PetscTruth)(!PreLoadMax || PreLoadIt));\
475:     _3_PetscLogStagePush(_stageNum);CHKERRQ(_3_ierr);

477: #define PreLoadEnd() \
478:     _3_PetscLogStagePop();CHKERRQ(_3_ierr);\
479:     PreLoading = PETSC_FALSE;\
480:   }\
481: }

483: #define PreLoadStage(name) \
484:   _3_PetscLogStagePop();CHKERRQ(_3_ierr);\
485:   if (PreLoadIt>0) {\
486:     _3_PetscLogStageGetId(name,&_stageNum);CHKERRQ(_3_ierr);\
487:   } else {\
488:     _3_PetscLogStageRegister(&_stageNum,name);CHKERRQ(_3_ierr);\
489:   }\
490:   _3_PetscLogStageSetActive(_stageNum,(PetscTruth)(!PreLoadMax || PreLoadIt));\
491:   _3_PetscLogStagePush(_stageNum);CHKERRQ(_3_ierr);

494: #endif