xref: /petsc/include/petsclog.h (revision 00a402e09c6d62f19dbf72eef0e53394ab690d5c)
1 /*
2     Defines profile/logging in PETSc.
3 */
4 
5 #if !defined(__PetscLog_H)
6 #define __PetscLog_H
7 #include <petscsys.h>
8 
9 /*MC
10     PetscLogEvent - id used to identify PETSc or user events which timed portions (blocks of executable)
11      code.
12 
13     Level: intermediate
14 
15 .seealso: PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd(), PetscLogStage
16 M*/
17 typedef int PetscLogEvent;
18 
19 /*MC
20     PetscLogStage - id used to identify user stages (phases, sections) of runs - for logging
21 
22     Level: intermediate
23 
24 .seealso: PetscLogStageRegister(), PetscLogStagePush(), PetscLogStagePop(), PetscLogEvent
25 M*/
26 typedef int PetscLogStage;
27 
28 #define PETSC_EVENT  1311311
29 PETSC_EXTERN PetscLogEvent PETSC_LARGEST_EVENT;
30 
31 /* Global flop counter */
32 PETSC_EXTERN PetscLogDouble petsc_TotalFlops;
33 PETSC_EXTERN PetscLogDouble petsc_tmp_flops;
34 
35 /* General logging of information; different from event logging */
36 PETSC_EXTERN PetscErrorCode PetscInfo_Private(const char[],void*,const char[],...);
37 #if defined(PETSC_USE_INFO)
38 #define PetscInfo(A,S)                       PetscInfo_Private(PETSC_FUNCTION_NAME,A,S)
39 #define PetscInfo1(A,S,a1)                   PetscInfo_Private(PETSC_FUNCTION_NAME,A,S,a1)
40 #define PetscInfo2(A,S,a1,a2)                PetscInfo_Private(PETSC_FUNCTION_NAME,A,S,a1,a2)
41 #define PetscInfo3(A,S,a1,a2,a3)             PetscInfo_Private(PETSC_FUNCTION_NAME,A,S,a1,a2,a3)
42 #define PetscInfo4(A,S,a1,a2,a3,a4)          PetscInfo_Private(PETSC_FUNCTION_NAME,A,S,a1,a2,a3,a4)
43 #define PetscInfo5(A,S,a1,a2,a3,a4,a5)       PetscInfo_Private(PETSC_FUNCTION_NAME,A,S,a1,a2,a3,a4,a5)
44 #define PetscInfo6(A,S,a1,a2,a3,a4,a5,a6)    PetscInfo_Private(PETSC_FUNCTION_NAME,A,S,a1,a2,a3,a4,a5,a6)
45 #define PetscInfo7(A,S,a1,a2,a3,a4,a5,a6,a7) PetscInfo_Private(PETSC_FUNCTION_NAME,A,S,a1,a2,a3,a4,a5,a6,a7)
46 #else
47 #define PetscInfo(A,S)                       0
48 #define PetscInfo1(A,S,a1)                   0
49 #define PetscInfo2(A,S,a1,a2)                0
50 #define PetscInfo3(A,S,a1,a2,a3)             0
51 #define PetscInfo4(A,S,a1,a2,a3,a4)          0
52 #define PetscInfo5(A,S,a1,a2,a3,a4,a5)       0
53 #define PetscInfo6(A,S,a1,a2,a3,a4,a5,a6)    0
54 #define PetscInfo7(A,S,a1,a2,a3,a4,a5,a6,a7) 0
55 #endif
56 PETSC_EXTERN PetscErrorCode PetscInfoDeactivateClass(PetscClassId);
57 PETSC_EXTERN PetscErrorCode PetscInfoActivateClass(PetscClassId);
58 PETSC_EXTERN PetscBool PetscLogPrintInfo;  /* if true, indicates PetscInfo() is turned on */
59 
60 /* We must make the following structures available to access the event
61      activation flags in the PetscLogEventBegin/End() macros. These are not part of the PETSc public
62      API and are not intended to be used by other parts of PETSc or by users.
63 
64      The code that manipulates these structures is in src/sys/plog/utils.
65 */
66 typedef struct _n_PetscIntStack *PetscIntStack;
67 
68 /*
69     PetscClassRegInfo, PetscClassPerfInfo - Each class has two data structures associated with it. The first has
70        static information about it, the second collects statistics on how many objects of the class are created,
71        how much memory they use, etc.
72 
73     PetscClassRegLog, PetscClassPerfLog - arrays of the PetscClassRegInfo and PetscClassPerfInfo for all classes.
74 */
75 typedef struct  {
76   char           *name;   /* The class name */
77   PetscClassId   classid; /* The integer identifying this class */
78 } PetscClassRegInfo;
79 
80 typedef struct {
81   PetscClassId   id;           /* The integer identifying this class */
82   int            creations;    /* The number of objects of this class created */
83   int            destructions; /* The number of objects of this class destroyed */
84   PetscLogDouble mem;          /* The total memory allocated by objects of this class */
85   PetscLogDouble descMem;      /* The total memory allocated by descendents of these objects */
86 } PetscClassPerfInfo;
87 
88 typedef struct _n_PetscClassRegLog *PetscClassRegLog;
89 struct _n_PetscClassRegLog {
90   int               numClasses; /* The number of classes registered */
91   int               maxClasses; /* The maximum number of classes */
92   PetscClassRegInfo *classInfo; /* The structure for class information (classids are monotonicly increasing) */
93 };
94 
95 typedef struct _n_PetscClassPerfLog *PetscClassPerfLog;
96 struct _n_PetscClassPerfLog {
97   int                numClasses; /* The number of logging classes */
98   int                maxClasses; /* The maximum number of classes */
99   PetscClassPerfInfo *classInfo; /* The structure for class information (classids are monotonicly increasing) */
100 };
101 /* -----------------------------------------------------------------------------------------------------*/
102 /*
103     PetscEventRegInfo, PetscEventPerfInfo - Each event has two data structures associated with it. The first has
104        static information about it, the second collects statistics on how many times the event is used, how
105        much time it takes, etc.
106 
107     PetscEventRegLog, PetscEventPerfLog - an array of all PetscEventRegInfo and PetscEventPerfInfo for all events. There is one
108       of these for each stage.
109 
110 */
111 typedef struct {
112   char         *name;         /* The name of this event */
113   PetscClassId classid;       /* The class the event is associated with */
114 #if defined (PETSC_HAVE_MPE)
115   int          mpe_id_begin; /* MPE IDs that define the event */
116   int          mpe_id_end;
117 #endif
118 } PetscEventRegInfo;
119 
120 typedef struct {
121   int            id;            /* The integer identifying this event */
122   PetscBool      active;        /* The flag to activate logging */
123   PetscBool      visible;       /* The flag to print info in summary */
124   int            depth;         /* The nesting depth of the event call */
125   int            count;         /* The number of times this event was executed */
126   PetscLogDouble flops, flops2,flopsTmp; /* The flops and flops^2 used in this event */
127   PetscLogDouble time, time2, timeTmp;   /* The time and time^2 taken for this event */
128   PetscLogDouble numMessages;   /* The number of messages in this event */
129   PetscLogDouble messageLength; /* The total message lengths in this event */
130   PetscLogDouble numReductions; /* The number of reductions in this event */
131 } PetscEventPerfInfo;
132 
133 typedef struct _n_PetscEventRegLog *PetscEventRegLog;
134 struct _n_PetscEventRegLog {
135   int               numEvents;  /* The number of registered events */
136   int               maxEvents;  /* The maximum number of events */
137   PetscEventRegInfo *eventInfo; /* The registration information for each event */
138 };
139 
140 typedef struct _n_PetscEventPerfLog *PetscEventPerfLog;
141 struct _n_PetscEventPerfLog {
142   int                numEvents;  /* The number of logging events */
143   int                maxEvents;  /* The maximum number of events */
144   PetscEventPerfInfo *eventInfo; /* The performance information for each event */
145 };
146 /* ------------------------------------------------------------------------------------------------------------*/
147 /*
148    PetscStageInfo - Contains all the information about a particular stage.
149 
150    PetscStageLog - An array of PetscStageInfo for each registered stage. There is a single one of these in the code.
151 */
152 typedef struct _PetscStageInfo {
153   char               *name;     /* The stage name */
154   PetscBool          used;      /* The stage was pushed on this processor */
155   PetscEventPerfInfo perfInfo;  /* The stage performance information */
156   PetscEventPerfLog  eventLog;  /* The event information for this stage */
157   PetscClassPerfLog  classLog;  /* The class information for this stage */
158 } PetscStageInfo;
159 
160 typedef struct _n_PetscStageLog *PetscStageLog;
161 struct _n_PetscStageLog {
162   int              numStages;   /* The number of registered stages */
163   int              maxStages;   /* The maximum number of stages */
164   PetscIntStack    stack;       /* The stack for active stages */
165   int              curStage;    /* The current stage (only used in macros so we don't call PetscIntStackTop) */
166   PetscStageInfo   *stageInfo;  /* The information for each stage */
167   PetscEventRegLog eventLog;    /* The registered events */
168   PetscClassRegLog classLog;    /* The registered classes */
169 };
170 
171 PETSC_EXTERN PetscErrorCode PetscLogGetStageLog(PetscStageLog*);
172 PETSC_EXTERN PetscErrorCode PetscStageLogGetCurrent(PetscStageLog,int*);
173 PETSC_EXTERN PetscErrorCode PetscStageLogGetEventPerfLog(PetscStageLog,int,PetscEventPerfLog*);
174 
175 PETSC_EXTERN PetscErrorCode PetscLogObjectParent(PetscObject,PetscObject);
176 PETSC_EXTERN PetscErrorCode PetscLogObjectMemory(PetscObject,PetscLogDouble);
177 
178 
179 #if defined(PETSC_USE_LOG)  /* --- Logging is turned on --------------------------------*/
180 PETSC_EXTERN PetscStageLog petsc_stageLog;
181 
182 /*
183    Flop counting:  We count each arithmetic operation (e.g., addition, multiplication) separately.
184 
185    For the complex numbers version, note that
186        1 complex addition = 2 flops
187        1 complex multiplication = 6 flops,
188    where we define 1 flop as that for a double precision scalar.  We roughly approximate
189    flop counting for complex numbers by multiplying the total flops by 4; this corresponds
190    to the assumption that we're counting mostly additions and multiplications -- and
191    roughly the same number of each.  More accurate counting could be done by distinguishing
192    among the various arithmetic operations.
193  */
194 
195 #if defined(PETSC_USE_COMPLEX)
196 #define PETSC_FLOPS_PER_OP 4.0
197 #else
198 #define PETSC_FLOPS_PER_OP 1.0
199 #endif
200 
201 PETSC_STATIC_INLINE PetscErrorCode PetscLogFlops(PetscLogDouble n)
202 {
203   PetscFunctionBegin;
204 #if defined(PETSC_USE_DEBUG)
205   if (n < 0) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Cannot log negative flops");
206 #endif
207   petsc_TotalFlops += PETSC_FLOPS_PER_OP*n;
208   PetscFunctionReturn(0);
209 }
210 PETSC_EXTERN PetscErrorCode PetscLogSetThreshold(PetscLogDouble,PetscLogDouble*);
211 
212 #if defined (PETSC_HAVE_MPE)
213 PETSC_EXTERN PetscErrorCode PetscLogMPEBegin(void);
214 PETSC_EXTERN PetscErrorCode PetscLogMPEDump(const char[]);
215 #endif
216 
217 PETSC_EXTERN PetscErrorCode (*PetscLogPLB)(PetscLogEvent,int,PetscObject,PetscObject,PetscObject,PetscObject);
218 PETSC_EXTERN PetscErrorCode (*PetscLogPLE)(PetscLogEvent,int,PetscObject,PetscObject,PetscObject,PetscObject);
219 PETSC_EXTERN PetscErrorCode (*PetscLogPHC)(PetscObject);
220 PETSC_EXTERN PetscErrorCode (*PetscLogPHD)(PetscObject);
221 
222 #define PetscLogObjectParents(p,n,d)  0;{int _i; for (_i=0; _i<n; _i++) {ierr = PetscLogObjectParent((PetscObject)p,(PetscObject)(d)[_i]);CHKERRQ(ierr);}}
223 #define PetscLogObjectCreate(h)      ((PetscLogPHC) ? (*PetscLogPHC)((PetscObject)h) : 0)
224 #define PetscLogObjectDestroy(h)     ((PetscLogPHD) ? (*PetscLogPHD)((PetscObject)h) : 0)
225 /* Initialization functions */
226 PETSC_EXTERN PetscErrorCode PetscLogDefaultBegin(void);
227 PETSC_EXTERN PetscErrorCode PetscLogAllBegin(void);
228 PETSC_EXTERN PetscErrorCode PetscLogNestedBegin(void);
229 PETSC_EXTERN PetscErrorCode PetscLogTraceBegin(FILE *);
230 PETSC_EXTERN PetscErrorCode PetscLogActions(PetscBool);
231 PETSC_EXTERN PetscErrorCode PetscLogObjects(PetscBool);
232 
233 /* General functions */
234 PETSC_EXTERN PetscErrorCode PetscLogDestroy(void);
235 PETSC_EXTERN PetscErrorCode PetscLogSet(PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject),
236                                    PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject));
237 PETSC_EXTERN PetscErrorCode PetscLogObjectState(PetscObject, const char[], ...);
238 /* Output functions */
239 PETSC_EXTERN PetscErrorCode PetscLogView(PetscViewer);
240 PETSC_EXTERN PetscErrorCode PetscLogViewFromOptions(void);
241 PETSC_EXTERN PetscErrorCode PetscLogDump(const char[]);
242 
243 PETSC_EXTERN PetscErrorCode PetscGetFlops(PetscLogDouble *);
244 
245 PETSC_EXTERN PetscErrorCode PetscLogStageRegister(const char[],PetscLogStage*);
246 PETSC_EXTERN PetscErrorCode PetscLogStagePush(PetscLogStage);
247 PETSC_EXTERN PetscErrorCode PetscLogStagePop(void);
248 PETSC_EXTERN PetscErrorCode PetscLogStageSetActive(PetscLogStage, PetscBool );
249 PETSC_EXTERN PetscErrorCode PetscLogStageGetActive(PetscLogStage, PetscBool  *);
250 PETSC_EXTERN PetscErrorCode PetscLogStageSetVisible(PetscLogStage, PetscBool );
251 PETSC_EXTERN PetscErrorCode PetscLogStageGetVisible(PetscLogStage, PetscBool  *);
252 PETSC_EXTERN PetscErrorCode PetscLogStageGetId(const char [], PetscLogStage *);
253 /* Event functions */
254 PETSC_EXTERN PetscErrorCode PetscLogEventRegister(const char[], PetscClassId,PetscLogEvent*);
255 PETSC_EXTERN PetscErrorCode PetscLogEventActivate(PetscLogEvent);
256 PETSC_EXTERN PetscErrorCode PetscLogEventDeactivate(PetscLogEvent);
257 PETSC_EXTERN PetscErrorCode PetscLogEventSetActiveAll(PetscLogEvent, PetscBool );
258 PETSC_EXTERN PetscErrorCode PetscLogEventActivateClass(PetscClassId);
259 PETSC_EXTERN PetscErrorCode PetscLogEventDeactivateClass(PetscClassId);
260 PETSC_EXTERN PetscErrorCode PetscLogEventGetId(const char[],PetscLogEvent*);
261 PETSC_EXTERN PetscErrorCode PetscLogEventGetPerfInfo(int, PetscLogEvent, PetscEventPerfInfo *);
262 
263 /* Global counters */
264 PETSC_EXTERN PetscLogDouble petsc_irecv_ct;
265 PETSC_EXTERN PetscLogDouble petsc_isend_ct;
266 PETSC_EXTERN PetscLogDouble petsc_recv_ct;
267 PETSC_EXTERN PetscLogDouble petsc_send_ct;
268 PETSC_EXTERN PetscLogDouble petsc_irecv_len;
269 PETSC_EXTERN PetscLogDouble petsc_isend_len;
270 PETSC_EXTERN PetscLogDouble petsc_recv_len;
271 PETSC_EXTERN PetscLogDouble petsc_send_len;
272 PETSC_EXTERN PetscLogDouble petsc_allreduce_ct;
273 PETSC_EXTERN PetscLogDouble petsc_gather_ct;
274 PETSC_EXTERN PetscLogDouble petsc_scatter_ct;
275 PETSC_EXTERN PetscLogDouble petsc_wait_ct;
276 PETSC_EXTERN PetscLogDouble petsc_wait_any_ct;
277 PETSC_EXTERN PetscLogDouble petsc_wait_all_ct;
278 PETSC_EXTERN PetscLogDouble petsc_sum_of_waits_ct;
279 
280 #define PetscLogEventBarrierBegin(e,o1,o2,o3,o4,cm) \
281   (((PetscLogPLB && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active &&  petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? \
282     (PetscLogEventBegin((e),o1,o2,o3,o4) || MPI_Barrier(cm) || PetscLogEventEnd((e),o1,o2,o3,o4)) : 0 ) || \
283    PetscLogEventBegin((e)+1,o1,o2,o3,o4))
284 
285 #define PetscLogEventBegin(e,o1,o2,o3,o4) \
286   (((PetscLogPLB && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? \
287     (*PetscLogPLB)((e),0,(PetscObject)(o1),(PetscObject)(o2),(PetscObject)(o3),(PetscObject)(o4)) : 0 ))
288 
289 #define PetscLogEventBarrierEnd(e,o1,o2,o3,o4,cm) PetscLogEventEnd(e+1,o1,o2,o3,o4)
290 
291 #define PetscLogEventEnd(e,o1,o2,o3,o4) \
292   (((PetscLogPLE && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? \
293     (*PetscLogPLE)((e),0,(PetscObject)(o1),(PetscObject)(o2),(PetscObject)(o3),(PetscObject)(o4)) : 0 ))
294 
295 PETSC_EXTERN PetscErrorCode PetscLogEventGetFlops(PetscLogEvent, PetscLogDouble*);
296 PETSC_EXTERN PetscErrorCode PetscLogEventZeroFlops(PetscLogEvent);
297 
298 /*
299      These are used internally in the PETSc routines to keep a count of MPI messages and
300    their sizes.
301 
302      This does not work for MPI-Uni because our include/petsc/mpiuni/mpi.h file
303    uses macros to defined the MPI operations.
304 
305      It does not work correctly from HP-UX because it processes the
306    macros in a way that sometimes it double counts, hence
307    PETSC_HAVE_BROKEN_RECURSIVE_MACRO
308 
309      It does not work with Windows because winmpich lacks MPI_Type_size()
310 */
311 #if !defined(__MPIUNI_H) && !defined(PETSC_HAVE_BROKEN_RECURSIVE_MACRO) && !defined (PETSC_HAVE_MPI_MISSING_TYPESIZE)
312 /*
313    Logging of MPI activities
314 */
315 PETSC_STATIC_INLINE PetscErrorCode PetscMPITypeSize(PetscLogDouble *buff,PetscMPIInt count,MPI_Datatype type)
316 {
317   PetscMPIInt mysize;
318   PetscErrorCode _myierr;
319   if (type == MPI_DATATYPE_NULL) return 0;
320   _myierr = MPI_Type_size(type,&mysize);CHKERRQ(_myierr);
321   *buff += (PetscLogDouble) (count*mysize);
322   return 0;
323 }
324 
325 PETSC_STATIC_INLINE PetscErrorCode PetscMPITypeSizeComm(MPI_Comm comm, PetscLogDouble *buff,PetscMPIInt *counts,MPI_Datatype type)
326 {
327   PetscMPIInt mysize, commsize, p;
328   PetscErrorCode _myierr;
329 
330   if (type == MPI_DATATYPE_NULL) return 0;
331   _myierr = MPI_Comm_size(comm,&commsize);CHKERRQ(_myierr);
332   _myierr = MPI_Type_size(type,&mysize);CHKERRQ(_myierr);
333   for (p = 0; p < commsize; ++p) {
334     *buff += (PetscLogDouble) (counts[p]*mysize);
335   }
336   return 0;
337 }
338 
339 /*
340     Returns 1 if the communicator is parallel else zero
341 */
342 PETSC_STATIC_INLINE int PetscMPIParallelComm(MPI_Comm comm)
343 {
344   PetscMPIInt size; MPI_Comm_size(comm,&size); return size > 1;
345 }
346 
347 #define MPI_Irecv(buf,count,datatype,source,tag,comm,request) \
348   ((petsc_irecv_ct++,0) || PetscMPITypeSize(&(petsc_irecv_len),(count),(datatype)) || MPI_Irecv((buf),(count),(datatype),(source),(tag),(comm),(request)))
349 
350 #define MPI_Isend(buf,count,datatype,dest,tag,comm,request) \
351   ((petsc_isend_ct++,0) || PetscMPITypeSize(&(petsc_isend_len),(count),(datatype)) || MPI_Isend((buf),(count),(datatype),(dest),(tag),(comm),(request)))
352 
353 #define MPI_Startall_irecv(count,number,requests) \
354   ((petsc_irecv_ct += (PetscLogDouble)(number),0) || PetscMPITypeSize(&(petsc_irecv_len),(count),(MPIU_SCALAR)) || MPI_Startall((number),(requests)))
355 
356 #define MPI_Startall_isend(count,number,requests) \
357   ((petsc_isend_ct += (PetscLogDouble)(number),0) || PetscMPITypeSize(&(petsc_isend_len),(count),(MPIU_SCALAR)) || MPI_Startall((number),(requests)))
358 
359 #define MPI_Start_isend(count,requests) \
360   ((petsc_isend_ct++,0) || PetscMPITypeSize((&petsc_isend_len),(count),(MPIU_SCALAR)) || MPI_Start((requests)))
361 
362 #define MPI_Recv(buf,count,datatype,source,tag,comm,status) \
363   ((petsc_recv_ct++,0) || PetscMPITypeSize((&petsc_recv_len),(count),(datatype)) || MPI_Recv((buf),(count),(datatype),(source),(tag),(comm),(status)))
364 
365 #define MPI_Send(buf,count,datatype,dest,tag,comm) \
366   ((petsc_send_ct++,0) || PetscMPITypeSize((&petsc_send_len),(count),(datatype)) || MPI_Send((buf),(count),(datatype),(dest),(tag),(comm)))
367 
368 #define MPI_Wait(request,status) \
369   ((petsc_wait_ct++,petsc_sum_of_waits_ct++,0) || MPI_Wait((request),(status)))
370 
371 #define MPI_Waitany(a,b,c,d) \
372   ((petsc_wait_any_ct++,petsc_sum_of_waits_ct++,0) || MPI_Waitany((a),(b),(c),(d)))
373 
374 #define MPI_Waitall(count,array_of_requests,array_of_statuses) \
375   ((petsc_wait_all_ct++,petsc_sum_of_waits_ct += (PetscLogDouble) (count),0) || MPI_Waitall((count),(array_of_requests),(array_of_statuses)))
376 
377 #define MPI_Allreduce(sendbuf,recvbuf,count,datatype,op,comm) \
378   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || MPI_Allreduce((sendbuf),(recvbuf),(count),(datatype),(op),(comm)))
379 
380 #define MPI_Bcast(buffer,count,datatype,root,comm) \
381   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || MPI_Bcast((buffer),(count),(datatype),(root),(comm)))
382 
383 #define MPI_Reduce_scatter_block(sendbuf,recvbuf,recvcount,datatype,op,comm) \
384   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || MPI_Reduce_scatter_block((sendbuf),(recvbuf),(recvcount),(datatype),(op),(comm)))
385 
386 #define MPI_Alltoall(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,comm) \
387   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || PetscMPITypeSize((&petsc_send_len),(sendcount),(sendtype)) || MPI_Alltoall((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(comm)))
388 
389 #define MPI_Alltoallv(sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm) \
390   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || PetscMPITypeSizeComm((comm),(&petsc_send_len),(sendcnts),(sendtype)) || MPI_Alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm)))
391 
392 #define MPI_Allgather(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,comm) \
393   ((petsc_gather_ct += PetscMPIParallelComm((comm)),0) || MPI_Allgather((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(comm)))
394 
395 #define MPI_Allgatherv(sendbuf,sendcount,sendtype,recvbuf,recvcount,displs,recvtype,comm) \
396   ((petsc_gather_ct += PetscMPIParallelComm((comm)),0) || MPI_Allgatherv((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(displs),(recvtype),(comm)))
397 
398 #define MPI_Gather(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,root,comm) \
399   ((petsc_gather_ct++,0) || PetscMPITypeSize((&petsc_send_len),(sendcount),(sendtype)) || MPI_Gather((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm)))
400 
401 #define MPI_Gatherv(sendbuf,sendcount,sendtype,recvbuf,recvcount,displs,recvtype,root,comm) \
402   ((petsc_gather_ct++,0) || PetscMPITypeSize((&petsc_send_len),(sendcount),(sendtype)) || MPI_Gatherv((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(displs),(recvtype),(root),(comm)))
403 
404 #define MPI_Scatter(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,root,comm) \
405   ((petsc_scatter_ct++,0) || PetscMPITypeSize((&petsc_recv_len),(recvcount),(recvtype)) || MPI_Scatter((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm)))
406 
407 #define MPI_Scatterv(sendbuf,sendcount,displs,sendtype,recvbuf,recvcount,recvtype,root,comm) \
408   ((petsc_scatter_ct++,0) || PetscMPITypeSize((&petsc_recv_len),(recvcount),(recvtype)) || MPI_Scatterv((sendbuf),(sendcount),(displs),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm)))
409 
410 #else
411 
412 #define MPI_Startall_irecv(count,number,requests) \
413   (MPI_Startall((number),(requests)))
414 
415 #define MPI_Startall_isend(count,number,requests) \
416   (MPI_Startall((number),(requests)))
417 
418 #define MPI_Start_isend(count,requests) \
419   (MPI_Start((requests)))
420 
421 #endif /* !__MPIUNI_H && ! PETSC_HAVE_BROKEN_RECURSIVE_MACRO */
422 
423 #else  /* ---Logging is turned off --------------------------------------------*/
424 
425 #define PetscLogFlops(n) 0
426 #define PetscLogSetThreshold(a,b) 0
427 
428 #define PetscLogEventActivate(a)   0
429 #define PetscLogEventDeactivate(a) 0
430 
431 #define PetscLogEventActivateClass(a)   0
432 #define PetscLogEventDeactivateClass(a) 0
433 #define PetscLogEventSetActiveAll(a,b)  0
434 #define PetscLogEventGetId(a,b)         (*(b)=0,0)
435 #define PetscLogEventGetPerfInfo(a,b,c) 0
436 
437 #define PetscLogPLB                        0
438 #define PetscLogPLE                        0
439 #define PetscLogPHC                        0
440 #define PetscLogPHD                        0
441 #define PetscGetFlops(a)                (*(a) = 0.0,0)
442 #define PetscLogEventBegin(e,o1,o2,o3,o4)   0
443 #define PetscLogEventEnd(e,o1,o2,o3,o4)     0
444 #define PetscLogEventBarrierBegin(e,o1,o2,o3,o4,cm) 0
445 #define PetscLogEventBarrierEnd(e,o1,o2,o3,o4,cm)   0
446 #define PetscLogObjectParents(p,n,c)        0
447 #define PetscLogObjectCreate(h)             0
448 #define PetscLogObjectDestroy(h)            0
449 #define PetscLogDestroy()                   0
450 #define PetscLogStagePush(a)                0
451 #define PetscLogStagePop()                  0
452 #define PetscLogStageRegister(a,b)          0
453 #define PetscLogStagePrint(a,flg)           0
454 #define PetscLogView(viewer)                0
455 #define PetscLogViewFromOptions()           0
456 #define PetscLogDefaultBegin()                     0
457 #define PetscLogTraceBegin(file)            0
458 #define PetscLogSet(lb,le)                  0
459 #define PetscLogAllBegin()                  0
460 #define PetscLogNestedBegin()               0
461 #define PetscLogDump(c)                     0
462 #define PetscLogEventRegister(a,b,c)        0
463 #define PetscLogObjects(a)                  0
464 #define PetscLogActions(a)                  0
465 PETSC_EXTERN PetscErrorCode PetscLogObjectState(PetscObject,const char[],...);
466 
467 /* If PETSC_USE_LOG is NOT defined, these still need to be! */
468 #define MPI_Startall_irecv(count,number,requests) MPI_Startall(number,requests)
469 #define MPI_Startall_isend(count,number,requests) MPI_Startall(number,requests)
470 #define MPI_Start_isend(count,requests) MPI_Start(requests)
471 #define PetscLogStageGetId(a,b)                      (*(b)=0,0)
472 #define PetscLogStageSetActive(a,b)                  0
473 #define PetscLogStageGetActive(a,b)                  0
474 #define PetscLogStageGetVisible(a,b)                 0
475 #define PetscLogStageSetVisible(a,b)                 0
476 
477 #endif   /* PETSC_USE_LOG */
478 
479 PETSC_EXTERN PetscErrorCode PetscIntStackCreate(PetscIntStack *);
480 PETSC_EXTERN PetscErrorCode PetscIntStackDestroy(PetscIntStack);
481 PETSC_EXTERN PetscErrorCode PetscIntStackPush(PetscIntStack, int);
482 PETSC_EXTERN PetscErrorCode PetscIntStackPop(PetscIntStack, int *);
483 PETSC_EXTERN PetscErrorCode PetscIntStackTop(PetscIntStack, int *);
484 PETSC_EXTERN PetscErrorCode PetscIntStackEmpty(PetscIntStack, PetscBool  *);
485 
486 #define PetscPreLoadBegin(flag,name) \
487 do {\
488   PetscBool      PetscPreLoading = flag;\
489   int            PetscPreLoadMax,PetscPreLoadIt;\
490   PetscLogStage  _stageNum;\
491   PetscErrorCode _3_ierr; \
492   _3_ierr = PetscOptionsGetBool(NULL,NULL,"-preload",&PetscPreLoading,NULL);CHKERRQ(_3_ierr); \
493   PetscPreLoadMax = (int)(PetscPreLoading);\
494   PetscPreLoadingUsed = PetscPreLoading ? PETSC_TRUE : PetscPreLoadingUsed;\
495   for (PetscPreLoadIt=0; PetscPreLoadIt<=PetscPreLoadMax; PetscPreLoadIt++) {\
496     PetscPreLoadingOn = PetscPreLoading;\
497     _3_ierr = PetscBarrier(NULL);CHKERRQ(_3_ierr);\
498     if (PetscPreLoadIt>0) {\
499       _3_ierr = PetscLogStageGetId(name,&_stageNum);CHKERRQ(_3_ierr);\
500     } else {\
501       _3_ierr = PetscLogStageRegister(name,&_stageNum);CHKERRQ(_3_ierr); \
502     }\
503     _3_ierr = PetscLogStageSetActive(_stageNum,(PetscBool)(!PetscPreLoadMax || PetscPreLoadIt));\
504     _3_ierr = PetscLogStagePush(_stageNum);CHKERRQ(_3_ierr);
505 
506 #define PetscPreLoadEnd() \
507     _3_ierr = PetscLogStagePop();CHKERRQ(_3_ierr);\
508     PetscPreLoading = PETSC_FALSE;\
509   }\
510 } while (0)
511 
512 #define PetscPreLoadStage(name) do {                                         \
513     _3_ierr = PetscLogStagePop();CHKERRQ(_3_ierr);                      \
514     if (PetscPreLoadIt>0) {                                                  \
515       _3_ierr = PetscLogStageGetId(name,&_stageNum);CHKERRQ(_3_ierr);   \
516     } else {                                                            \
517       _3_ierr = PetscLogStageRegister(name,&_stageNum);CHKERRQ(_3_ierr); \
518     }                                                                   \
519     _3_ierr = PetscLogStageSetActive(_stageNum,(PetscBool)(!PetscPreLoadMax || PetscPreLoadIt)); \
520     _3_ierr = PetscLogStagePush(_stageNum);CHKERRQ(_3_ierr);            \
521   } while (0)
522 
523 /* some vars for logging */
524 PETSC_EXTERN PetscBool PetscPreLoadingUsed;       /* true if we are or have done preloading */
525 PETSC_EXTERN PetscBool PetscPreLoadingOn;         /* true if we are currently in a preloading calculation */
526 
527 #endif
528