xref: /petsc/include/petsclog.h (revision a69119a591a03a9d906b29c0a4e9802e4d7c9795)
1 /*
2     Defines profile/logging in PETSc.
3 */
4 #if !defined(PETSCLOG_H)
5 #define PETSCLOG_H
6 
7 #include <petscsys.h>
8 #include <petsctime.h>
9 
10 /* SUBMANSEC = Sys */
11 
12 /* General logging of information; different from event logging */
13 PETSC_EXTERN PetscErrorCode PetscInfo_Private(const char[], PetscObject, const char[], ...) PETSC_ATTRIBUTE_FORMAT(3, 4);
14 #if defined(PETSC_USE_INFO)
15 #define PetscInfo(A, ...) PetscInfo_Private(PETSC_FUNCTION_NAME, ((PetscObject)A), __VA_ARGS__)
16 #else
17 #define PetscInfo(A, ...) 0
18 #endif
19 
20 #define PetscInfo1(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
21 #define PetscInfo2(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
22 #define PetscInfo3(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
23 #define PetscInfo4(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
24 #define PetscInfo5(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
25 #define PetscInfo6(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
26 #define PetscInfo7(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
27 #define PetscInfo8(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
28 #define PetscInfo9(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use PetscInfo() (since version 3.17)\"") PetscInfo(__VA_ARGS__)
29 
30 /*E
31     PetscInfoCommFlag - Describes the method by which to filter `PetscInfo()` by communicator size
32 
33     Used as an input for PetscInfoSetFilterCommSelf()
34 
35 $   `PETSC_INFO_COMM_ALL` - Default uninitialized value. PetscInfo() will not filter based on communicator size (i.e. will
36 print for all communicators)
37 $   `PETSC_INFO_COMM_NO_SELF` - PetscInfo() will NOT print for communicators with size = 1 (i.e. *_COMM_SELF)
38 $   `PETSC_INFO_COMM_ONLY_SELF` - PetscInfo will ONLY print for communicators with size = 1
39 
40     Level: intermediate
41 
42 .seealso: `PetscInfo()`, `PetscInfoSetFromOptions()`, `PetscInfoSetFilterCommSelf()`
43 E*/
44 typedef enum {
45   PETSC_INFO_COMM_ALL       = -1,
46   PETSC_INFO_COMM_NO_SELF   = 0,
47   PETSC_INFO_COMM_ONLY_SELF = 1
48 } PetscInfoCommFlag;
49 
50 PETSC_EXTERN const char *const PetscInfoCommFlags[];
51 PETSC_EXTERN PetscErrorCode    PetscInfoDeactivateClass(PetscClassId);
52 PETSC_EXTERN PetscErrorCode    PetscInfoActivateClass(PetscClassId);
53 PETSC_EXTERN PetscErrorCode    PetscInfoEnabled(PetscClassId, PetscBool *);
54 PETSC_EXTERN PetscErrorCode    PetscInfoAllow(PetscBool);
55 PETSC_EXTERN PetscErrorCode    PetscInfoSetFile(const char[], const char[]);
56 PETSC_EXTERN PetscErrorCode    PetscInfoGetFile(char **, FILE **);
57 PETSC_EXTERN PetscErrorCode    PetscInfoSetClasses(PetscBool, PetscInt, const char *const *);
58 PETSC_EXTERN PetscErrorCode    PetscInfoGetClass(const char *, PetscBool *);
59 PETSC_EXTERN PetscErrorCode    PetscInfoGetInfo(PetscBool *, PetscBool *, PetscBool *, PetscBool *, PetscInfoCommFlag *);
60 PETSC_EXTERN PetscErrorCode    PetscInfoProcessClass(const char[], PetscInt, PetscClassId[]);
61 PETSC_EXTERN PetscErrorCode    PetscInfoSetFilterCommSelf(PetscInfoCommFlag);
62 PETSC_EXTERN PetscErrorCode    PetscInfoSetFromOptions(PetscOptions);
63 PETSC_EXTERN PetscErrorCode    PetscInfoDestroy(void);
64 PETSC_EXTERN PetscBool         PetscLogPrintInfo; /* if true, indicates PetscInfo() is turned on */
65 
66 /*MC
67     PetscLogEvent - id used to identify PETSc or user events which timed portions (blocks of executable)
68      code.
69 
70     Level: intermediate
71 
72 .seealso: `PetscLogEventRegister()`, `PetscLogEventBegin()`, `PetscLogEventEnd()`, `PetscLogStage`
73 M*/
74 typedef int PetscLogEvent;
75 
76 /*MC
77     PetscLogStage - id used to identify user stages (phases, sections) of runs - for logging
78 
79     Level: intermediate
80 
81 .seealso: `PetscLogStageRegister()`, `PetscLogStagePush()`, `PetscLogStagePop()`, `PetscLogEvent`
82 M*/
83 typedef int PetscLogStage;
84 
85 #define PETSC_EVENT 1311311
86 PETSC_EXTERN PetscLogEvent PETSC_LARGEST_EVENT;
87 
88 /* Global flop counter */
89 PETSC_EXTERN PetscLogDouble petsc_TotalFlops;
90 PETSC_EXTERN PetscLogDouble petsc_tmp_flops;
91 
92 /* We must make the following structures available to access the event
93      activation flags in the PetscLogEventBegin/End() macros. These are not part of the PETSc public
94      API and are not intended to be used by other parts of PETSc or by users.
95 
96      The code that manipulates these structures is in src/sys/logging/utils.
97 */
98 typedef struct _n_PetscIntStack *PetscIntStack;
99 
100 /* -----------------------------------------------------------------------------------------------------*/
101 /*
102     PetscClassRegInfo, PetscClassPerfInfo - Each class has two data structures associated with it. The first has
103        static information about it, the second collects statistics on how many objects of the class are created,
104        how much memory they use, etc.
105 
106     PetscClassRegLog, PetscClassPerfLog - arrays of the PetscClassRegInfo and PetscClassPerfInfo for all classes.
107 */
108 typedef struct {
109   char        *name;    /* The class name */
110   PetscClassId classid; /* The integer identifying this class */
111 } PetscClassRegInfo;
112 
113 typedef struct {
114   PetscClassId   id;           /* The integer identifying this class */
115   int            creations;    /* The number of objects of this class created */
116   int            destructions; /* The number of objects of this class destroyed */
117   PetscLogDouble mem;          /* The total memory allocated by objects of this class; this is completely wrong and should possibly be removed */
118   PetscLogDouble descMem;      /* The total memory allocated by descendents of these objects; this is completely wrong and should possibly be removed */
119 } PetscClassPerfInfo;
120 
121 typedef struct _n_PetscClassRegLog *PetscClassRegLog;
122 struct _n_PetscClassRegLog {
123   int                numClasses; /* The number of classes registered */
124   int                maxClasses; /* The maximum number of classes */
125   PetscClassRegInfo *classInfo;  /* The structure for class information (classids are monotonicly increasing) */
126 };
127 
128 typedef struct _n_PetscClassPerfLog *PetscClassPerfLog;
129 struct _n_PetscClassPerfLog {
130   int                 numClasses; /* The number of logging classes */
131   int                 maxClasses; /* The maximum number of classes */
132   PetscClassPerfInfo *classInfo;  /* The structure for class information (classids are monotonicly increasing) */
133 };
134 /* -----------------------------------------------------------------------------------------------------*/
135 /*
136     PetscEventRegInfo, PetscEventPerfInfo - Each event has two data structures associated with it. The first has
137        static information about it, the second collects statistics on how many times the event is used, how
138        much time it takes, etc.
139 
140     PetscEventRegLog, PetscEventPerfLog - an array of all PetscEventRegInfo and PetscEventPerfInfo for all events. There is one
141       of these for each stage.
142 
143 */
144 typedef struct {
145   char        *name;       /* The name of this event */
146   PetscClassId classid;    /* The class the event is associated with */
147   PetscBool    collective; /* Flag this event as collective */
148 #if defined(PETSC_HAVE_MPE)
149   int mpe_id_begin; /* MPE IDs that define the event */
150   int mpe_id_end;
151 #endif
152 } PetscEventRegInfo;
153 
154 typedef struct {
155   int            id;                      /* The integer identifying this event */
156   PetscBool      active;                  /* The flag to activate logging */
157   PetscBool      visible;                 /* The flag to print info in summary */
158   int            depth;                   /* The nesting depth of the event call */
159   int            count;                   /* The number of times this event was executed */
160   PetscLogDouble flops, flops2, flopsTmp; /* The flops and flops^2 used in this event */
161   PetscLogDouble time, time2, timeTmp;    /* The time and time^2 taken for this event */
162   PetscLogDouble syncTime;                /* The synchronization barrier time */
163   PetscLogDouble dof[8];                  /* The number of degrees of freedom associated with this event */
164   PetscLogDouble errors[8];               /* The errors (user-defined) associated with this event */
165   PetscLogDouble numMessages;             /* The number of messages in this event */
166   PetscLogDouble messageLength;           /* The total message lengths in this event */
167   PetscLogDouble numReductions;           /* The number of reductions in this event */
168   PetscLogDouble memIncrease;             /* How much the resident memory has increased in this event */
169   PetscLogDouble mallocIncrease;          /* How much the maximum malloced space has increased in this event */
170   PetscLogDouble mallocSpace;             /* How much the space was malloced and kept during this event */
171   PetscLogDouble mallocIncreaseEvent;     /* Maximum of the high water mark with in event minus memory available at the end of the event */
172 #if defined(PETSC_HAVE_DEVICE)
173   PetscLogDouble CpuToGpuCount; /* The total number of CPU to GPU copies */
174   PetscLogDouble GpuToCpuCount; /* The total number of GPU to CPU copies */
175   PetscLogDouble CpuToGpuSize;  /* The total size of CPU to GPU copies */
176   PetscLogDouble GpuToCpuSize;  /* The total size of GPU to CPU copies */
177   PetscLogDouble GpuFlops;      /* The flops done on a GPU in this event */
178   PetscLogDouble GpuTime;       /* The time spent on a GPU in this event */
179 #endif
180 } PetscEventPerfInfo;
181 
182 typedef struct _n_PetscEventRegLog *PetscEventRegLog;
183 struct _n_PetscEventRegLog {
184   int                numEvents; /* The number of registered events */
185   int                maxEvents; /* The maximum number of events */
186   PetscEventRegInfo *eventInfo; /* The registration information for each event */
187 };
188 
189 typedef struct _n_PetscEventPerfLog *PetscEventPerfLog;
190 struct _n_PetscEventPerfLog {
191   int                 numEvents; /* The number of logging events */
192   int                 maxEvents; /* The maximum number of events */
193   PetscEventPerfInfo *eventInfo; /* The performance information for each event */
194 };
195 /* ------------------------------------------------------------------------------------------------------------*/
196 /*
197    PetscStageInfo - Contains all the information about a particular stage.
198 
199    PetscStageLog - An array of PetscStageInfo for each registered stage. There is a single one of these in the code.
200 */
201 typedef struct _PetscStageInfo {
202   char              *name;     /* The stage name */
203   PetscBool          used;     /* The stage was pushed on this processor */
204   PetscEventPerfInfo perfInfo; /* The stage performance information */
205   PetscEventPerfLog  eventLog; /* The event information for this stage */
206   PetscClassPerfLog  classLog; /* The class information for this stage */
207 } PetscStageInfo;
208 
209 typedef struct _n_PetscStageLog *PetscStageLog;
210 struct _n_PetscStageLog {
211   int              numStages; /* The number of registered stages */
212   int              maxStages; /* The maximum number of stages */
213   PetscIntStack    stack;     /* The stack for active stages */
214   int              curStage;  /* The current stage (only used in macros so we don't call PetscIntStackTop) */
215   PetscStageInfo  *stageInfo; /* The information for each stage */
216   PetscEventRegLog eventLog;  /* The registered events */
217   PetscClassRegLog classLog;  /* The registered classes */
218 };
219 /* -----------------------------------------------------------------------------------------------------*/
220 
221 PETSC_EXTERN PetscErrorCode PetscLogObjectParent(PetscObject, PetscObject);
222 PETSC_EXTERN PetscErrorCode PetscLogObjectMemory(PetscObject, PetscLogDouble);
223 
224 #if defined(PETSC_USE_LOG) /* --- Logging is turned on --------------------------------*/
225 PETSC_EXTERN PetscStageLog  petsc_stageLog;
226 PETSC_EXTERN PetscErrorCode PetscLogGetStageLog(PetscStageLog *);
227 PETSC_EXTERN PetscErrorCode PetscStageLogGetCurrent(PetscStageLog, int *);
228 PETSC_EXTERN PetscErrorCode PetscStageLogGetEventPerfLog(PetscStageLog, int, PetscEventPerfLog *);
229 
230 /*
231    Flop counting:  We count each arithmetic operation (e.g., addition, multiplication) separately.
232 
233    For the complex numbers version, note that
234        1 complex addition = 2 flops
235        1 complex multiplication = 6 flops,
236    where we define 1 flop as that for a double precision scalar.  We roughly approximate
237    flop counting for complex numbers by multiplying the total flops by 4; this corresponds
238    to the assumption that we're counting mostly additions and multiplications -- and
239    roughly the same number of each.  More accurate counting could be done by distinguishing
240    among the various arithmetic operations.
241  */
242 
243 #if defined(PETSC_USE_COMPLEX)
244 #define PETSC_FLOPS_PER_OP 4.0
245 #else
246 #define PETSC_FLOPS_PER_OP 1.0
247 #endif
248 
249 /*@C
250        PetscLogFlops - Log how many flops are performed in a calculation
251 
252    Input Parameter:
253 .   flops - the number of flops
254 
255    Notes:
256      To limit the chance of integer overflow when multiplying by a constant, represent the constant as a double,
257      not an integer. Use PetscLogFlops(4.0*n) not PetscLogFlops(4*n)
258 
259    Level: intermediate
260 
261 .seealso: `PetscLogView()`, `PetscLogGpuFlops()`
262 @*/
263 
264 static inline PetscErrorCode PetscLogFlops(PetscLogDouble n) {
265   PetscFunctionBegin;
266 #if defined(PETSC_USE_DEBUG)
267   PetscCheck(n >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Cannot log negative flops");
268 #endif
269   petsc_TotalFlops += PETSC_FLOPS_PER_OP * n;
270   PetscFunctionReturn(0);
271 }
272 
273 PETSC_EXTERN PetscErrorCode PetscGetFlops(PetscLogDouble *);
274 
275 #if defined(PETSC_HAVE_MPE)
276 PETSC_EXTERN PetscErrorCode PetscLogMPEBegin(void);
277 PETSC_EXTERN PetscErrorCode PetscLogMPEDump(const char[]);
278 #endif
279 
280 PETSC_EXTERN PetscErrorCode (*PetscLogPLB)(PetscLogEvent, int, PetscObject, PetscObject, PetscObject, PetscObject);
281 PETSC_EXTERN PetscErrorCode (*PetscLogPLE)(PetscLogEvent, int, PetscObject, PetscObject, PetscObject, PetscObject);
282 PETSC_EXTERN PetscErrorCode (*PetscLogPHC)(PetscObject);
283 PETSC_EXTERN PetscErrorCode (*PetscLogPHD)(PetscObject);
284 
285 #define PetscLogObjectParents(p, n, d) PetscMacroReturnStandard(for (int _i = 0; _i < (n); ++_i) PetscCall(PetscLogObjectParent((PetscObject)(p), (PetscObject)(d)[_i]));)
286 #define PetscLogObjectCreate(h)        ((PetscLogPHC) ? (*PetscLogPHC)((PetscObject)(h)) : 0)
287 #define PetscLogObjectDestroy(h)       ((PetscLogPHD) ? (*PetscLogPHD)((PetscObject)(h)) : 0)
288 PETSC_EXTERN PetscErrorCode PetscLogObjectState(PetscObject, const char[], ...) PETSC_ATTRIBUTE_FORMAT(2, 3);
289 
290 /* Initialization functions */
291 PETSC_EXTERN PetscErrorCode PetscLogDefaultBegin(void);
292 PETSC_EXTERN PetscErrorCode PetscLogAllBegin(void);
293 PETSC_EXTERN PetscErrorCode PetscLogNestedBegin(void);
294 PETSC_EXTERN PetscErrorCode PetscLogTraceBegin(FILE *);
295 PETSC_EXTERN PetscErrorCode PetscLogActions(PetscBool);
296 PETSC_EXTERN PetscErrorCode PetscLogObjects(PetscBool);
297 PETSC_EXTERN PetscErrorCode PetscLogSetThreshold(PetscLogDouble, PetscLogDouble *);
298 PETSC_EXTERN PetscErrorCode PetscLogSet(PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject), PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject));
299 
300 /* Output functions */
301 PETSC_EXTERN PetscErrorCode PetscLogView(PetscViewer);
302 PETSC_EXTERN PetscErrorCode PetscLogViewFromOptions(void);
303 PETSC_EXTERN PetscErrorCode PetscLogDump(const char[]);
304 
305 /* Status checking functions */
306 PETSC_EXTERN PetscErrorCode PetscLogIsActive(PetscBool *);
307 
308 /* Stage functions */
309 PETSC_EXTERN PetscErrorCode PetscLogStageRegister(const char[], PetscLogStage *);
310 PETSC_EXTERN PetscErrorCode PetscLogStagePush(PetscLogStage);
311 PETSC_EXTERN PetscErrorCode PetscLogStagePop(void);
312 PETSC_EXTERN PetscErrorCode PetscLogStageSetActive(PetscLogStage, PetscBool);
313 PETSC_EXTERN PetscErrorCode PetscLogStageGetActive(PetscLogStage, PetscBool *);
314 PETSC_EXTERN PetscErrorCode PetscLogStageSetVisible(PetscLogStage, PetscBool);
315 PETSC_EXTERN PetscErrorCode PetscLogStageGetVisible(PetscLogStage, PetscBool *);
316 PETSC_EXTERN PetscErrorCode PetscLogStageGetId(const char[], PetscLogStage *);
317 
318 /* Event functions */
319 PETSC_EXTERN PetscErrorCode PetscLogEventRegister(const char[], PetscClassId, PetscLogEvent *);
320 PETSC_EXTERN PetscErrorCode PetscLogEventSetCollective(PetscLogEvent, PetscBool);
321 PETSC_EXTERN PetscErrorCode PetscLogEventIncludeClass(PetscClassId);
322 PETSC_EXTERN PetscErrorCode PetscLogEventExcludeClass(PetscClassId);
323 PETSC_EXTERN PetscErrorCode PetscLogEventActivate(PetscLogEvent);
324 PETSC_EXTERN PetscErrorCode PetscLogEventDeactivate(PetscLogEvent);
325 PETSC_EXTERN PetscErrorCode PetscLogEventDeactivatePush(PetscLogEvent);
326 PETSC_EXTERN PetscErrorCode PetscLogEventDeactivatePop(PetscLogEvent);
327 PETSC_EXTERN PetscErrorCode PetscLogEventSetActiveAll(PetscLogEvent, PetscBool);
328 PETSC_EXTERN PetscErrorCode PetscLogEventActivateClass(PetscClassId);
329 PETSC_EXTERN PetscErrorCode PetscLogEventDeactivateClass(PetscClassId);
330 PETSC_EXTERN PetscErrorCode PetscLogEventGetId(const char[], PetscLogEvent *);
331 PETSC_EXTERN PetscErrorCode PetscLogEventGetPerfInfo(int, PetscLogEvent, PetscEventPerfInfo *);
332 PETSC_EXTERN PetscErrorCode PetscLogEventSetDof(PetscLogEvent, PetscInt, PetscLogDouble);
333 PETSC_EXTERN PetscErrorCode PetscLogEventSetError(PetscLogEvent, PetscInt, PetscLogDouble);
334 PETSC_EXTERN PetscErrorCode PetscLogPushCurrentEvent_Internal(PetscLogEvent);
335 PETSC_EXTERN PetscErrorCode PetscLogPopCurrentEvent_Internal(void);
336 
337 /* Global counters */
338 PETSC_EXTERN PetscLogDouble petsc_irecv_ct;
339 PETSC_EXTERN PetscLogDouble petsc_isend_ct;
340 PETSC_EXTERN PetscLogDouble petsc_recv_ct;
341 PETSC_EXTERN PetscLogDouble petsc_send_ct;
342 PETSC_EXTERN PetscLogDouble petsc_irecv_len;
343 PETSC_EXTERN PetscLogDouble petsc_isend_len;
344 PETSC_EXTERN PetscLogDouble petsc_recv_len;
345 PETSC_EXTERN PetscLogDouble petsc_send_len;
346 PETSC_EXTERN PetscLogDouble petsc_allreduce_ct;
347 PETSC_EXTERN PetscLogDouble petsc_gather_ct;
348 PETSC_EXTERN PetscLogDouble petsc_scatter_ct;
349 PETSC_EXTERN PetscLogDouble petsc_wait_ct;
350 PETSC_EXTERN PetscLogDouble petsc_wait_any_ct;
351 PETSC_EXTERN PetscLogDouble petsc_wait_all_ct;
352 PETSC_EXTERN PetscLogDouble petsc_sum_of_waits_ct;
353 
354 PETSC_EXTERN PetscBool PetscLogMemory;
355 
356 PETSC_EXTERN PetscBool      PetscLogSyncOn; /* true if logging synchronization is enabled */
357 PETSC_EXTERN PetscErrorCode PetscLogEventSynchronize(PetscLogEvent, MPI_Comm);
358 
359 #define PetscLogEventSync(e, comm) \
360   (((PetscLogPLB && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? PetscLogEventSynchronize((e), (comm)) : 0))
361 
362 #define PetscLogEventBegin(e, o1, o2, o3, o4) \
363   ((PetscLogPLB && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? (((*PetscLogPLB)((e), 0, (PetscObject)(o1), (PetscObject)(o2), (PetscObject)(o3), (PetscObject)(o4))) || PetscLogPushCurrentEvent_Internal(e)) : 0)
364 
365 #define PetscLogEventEnd(e, o1, o2, o3, o4) \
366   ((PetscLogPLE && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? (((*PetscLogPLE)((e), 0, (PetscObject)(o1), (PetscObject)(o2), (PetscObject)(o3), (PetscObject)(o4))) || PetscLogPopCurrentEvent_Internal()) : 0)
367 
368 PETSC_EXTERN PetscErrorCode PetscLogEventGetFlops(PetscLogEvent, PetscLogDouble *);
369 PETSC_EXTERN PetscErrorCode PetscLogEventZeroFlops(PetscLogEvent);
370 
371 /*
372      These are used internally in the PETSc routines to keep a count of MPI messages and
373    their sizes.
374 
375      This does not work for MPI-Uni because our include/petsc/mpiuni/mpi.h file
376    uses macros to defined the MPI operations.
377 
378      It does not work correctly from HP-UX because it processes the
379    macros in a way that sometimes it double counts, hence
380    PETSC_HAVE_BROKEN_RECURSIVE_MACRO
381 
382      It does not work with Windows because winmpich lacks MPI_Type_size()
383 */
384 #if !defined(MPIUNI_H) && !defined(PETSC_HAVE_BROKEN_RECURSIVE_MACRO) && !defined(PETSC_HAVE_MPI_MISSING_TYPESIZE)
385 /*
386    Logging of MPI activities
387 */
388 static inline PetscErrorCode PetscMPITypeSize(PetscInt count, MPI_Datatype type, PetscLogDouble *length) {
389   PetscMPIInt typesize;
390 
391   if (type == MPI_DATATYPE_NULL) return 0;
392   PetscCallMPI(MPI_Type_size(type, &typesize));
393   *length += (PetscLogDouble)(count * typesize);
394   return 0;
395 }
396 
397 static inline PetscErrorCode PetscMPITypeSizeComm(MPI_Comm comm, const PetscMPIInt *counts, MPI_Datatype type, PetscLogDouble *length) {
398   PetscMPIInt typesize, size, p;
399 
400   if (type == MPI_DATATYPE_NULL) return 0;
401   PetscCallMPI(MPI_Comm_size(comm, &size));
402   PetscCallMPI(MPI_Type_size(type, &typesize));
403   for (p = 0; p < size; ++p) *length += (PetscLogDouble)(counts[p] * typesize);
404   return 0;
405 }
406 
407 static inline PetscErrorCode PetscMPITypeSizeCount(PetscInt n, const PetscMPIInt *counts, MPI_Datatype type, PetscLogDouble *length) {
408   PetscMPIInt typesize, p;
409 
410   if (type == MPI_DATATYPE_NULL) return 0;
411   PetscCallMPI(MPI_Type_size(type, &typesize));
412   for (p = 0; p < n; ++p) *length += (PetscLogDouble)(counts[p] * typesize);
413   return 0;
414 }
415 
416 /*
417     Returns 1 if the communicator is parallel else zero
418 */
419 static inline int PetscMPIParallelComm(MPI_Comm comm) {
420   PetscMPIInt size;
421   MPI_Comm_size(comm, &size);
422   return size > 1;
423 }
424 
425 #define MPI_Irecv(buf, count, datatype, source, tag, comm, request) ((petsc_irecv_ct++, 0) || PetscMPITypeSize((count), (datatype), &(petsc_irecv_len)) || MPI_Irecv((buf), (count), (datatype), (source), (tag), (comm), (request)))
426 
427 #define MPI_Irecv_c(buf, count, datatype, source, tag, comm, request) ((petsc_irecv_ct++, 0) || PetscMPITypeSize((count), (datatype), &(petsc_irecv_len)) || MPI_Irecv_c((buf), (count), (datatype), (source), (tag), (comm), (request)))
428 
429 #define MPI_Isend(buf, count, datatype, dest, tag, comm, request) ((petsc_isend_ct++, 0) || PetscMPITypeSize((count), (datatype), &(petsc_isend_len)) || MPI_Isend((buf), (count), (datatype), (dest), (tag), (comm), (request)))
430 
431 #define MPI_Isend_c(buf, count, datatype, dest, tag, comm, request) ((petsc_isend_ct++, 0) || PetscMPITypeSize((count), (datatype), &(petsc_isend_len)) || MPI_Isend_c((buf), (count), (datatype), (dest), (tag), (comm), (request)))
432 
433 #define MPI_Startall_irecv(count, datatype, number, requests) ((petsc_irecv_ct += (PetscLogDouble)(number), 0) || PetscMPITypeSize((count), (datatype), &(petsc_irecv_len)) || ((number) && MPI_Startall((number), (requests))))
434 
435 #define MPI_Startall_isend(count, datatype, number, requests) ((petsc_isend_ct += (PetscLogDouble)(number), 0) || PetscMPITypeSize((count), (datatype), &(petsc_isend_len)) || ((number) && MPI_Startall((number), (requests))))
436 
437 #define MPI_Start_isend(count, datatype, requests) ((petsc_isend_ct++, 0) || PetscMPITypeSize((count), (datatype), (&petsc_isend_len)) || MPI_Start((requests)))
438 
439 #define MPI_Recv(buf, count, datatype, source, tag, comm, status) ((petsc_recv_ct++, 0) || PetscMPITypeSize((count), (datatype), (&petsc_recv_len)) || MPI_Recv((buf), (count), (datatype), (source), (tag), (comm), (status)))
440 
441 #define MPI_Recv_c(buf, count, datatype, source, tag, comm, status) ((petsc_recv_ct++, 0) || PetscMPITypeSize((count), (datatype), (&petsc_recv_len)) || MPI_Recv_c((buf), (count), (datatype), (source), (tag), (comm), (status)))
442 
443 #define MPI_Send(buf, count, datatype, dest, tag, comm) ((petsc_send_ct++, 0) || PetscMPITypeSize((count), (datatype), (&petsc_send_len)) || MPI_Send((buf), (count), (datatype), (dest), (tag), (comm)))
444 
445 #define MPI_Send_c(buf, count, datatype, dest, tag, comm) ((petsc_send_ct++, 0) || PetscMPITypeSize((count), (datatype), (&petsc_send_len)) || MPI_Send_c((buf), (count), (datatype), (dest), (tag), (comm)))
446 
447 #define MPI_Wait(request, status) ((petsc_wait_ct++, petsc_sum_of_waits_ct++, 0) || MPI_Wait((request), (status)))
448 
449 #define MPI_Waitany(a, b, c, d) ((petsc_wait_any_ct++, petsc_sum_of_waits_ct++, 0) || MPI_Waitany((a), (b), (c), (d)))
450 
451 #define MPI_Waitall(count, array_of_requests, array_of_statuses) ((petsc_wait_all_ct++, petsc_sum_of_waits_ct += (PetscLogDouble)(count), 0) || MPI_Waitall((count), (array_of_requests), (array_of_statuses)))
452 
453 #define MPI_Allreduce(sendbuf, recvbuf, count, datatype, op, comm) (petsc_allreduce_ct += PetscMPIParallelComm((comm)), MPI_Allreduce((sendbuf), (recvbuf), (count), (datatype), (op), (comm)))
454 
455 #define MPI_Bcast(buffer, count, datatype, root, comm) ((petsc_allreduce_ct += PetscMPIParallelComm((comm)), 0) || MPI_Bcast((buffer), (count), (datatype), (root), (comm)))
456 
457 #define MPI_Reduce_scatter_block(sendbuf, recvbuf, recvcount, datatype, op, comm) ((petsc_allreduce_ct += PetscMPIParallelComm((comm)), 0) || MPI_Reduce_scatter_block((sendbuf), (recvbuf), (recvcount), (datatype), (op), (comm)))
458 
459 #define MPI_Alltoall(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm) \
460   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)), 0) || PetscMPITypeSize((sendcount), (sendtype), (&petsc_send_len)) || MPI_Alltoall((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (comm)))
461 
462 #define MPI_Alltoallv(sendbuf, sendcnts, sdispls, sendtype, recvbuf, recvcnts, rdispls, recvtype, comm) \
463   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)), 0) || PetscMPITypeSizeComm((comm), (sendcnts), (sendtype), (&petsc_send_len)) || MPI_Alltoallv((sendbuf), (sendcnts), (sdispls), (sendtype), (recvbuf), (recvcnts), (rdispls), (recvtype), (comm)))
464 
465 #define MPI_Allgather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm) ((petsc_gather_ct += PetscMPIParallelComm((comm)), 0) || MPI_Allgather((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (comm)))
466 
467 #define MPI_Allgatherv(sendbuf, sendcount, sendtype, recvbuf, recvcount, displs, recvtype, comm) \
468   ((petsc_gather_ct += PetscMPIParallelComm((comm)), 0) || MPI_Allgatherv((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (displs), (recvtype), (comm)))
469 
470 #define MPI_Gather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm) \
471   ((petsc_gather_ct++, 0) || PetscMPITypeSize((sendcount), (sendtype), (&petsc_send_len)) || MPI_Gather((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (root), (comm)))
472 
473 #define MPI_Gatherv(sendbuf, sendcount, sendtype, recvbuf, recvcount, displs, recvtype, root, comm) \
474   ((petsc_gather_ct++, 0) || PetscMPITypeSize((sendcount), (sendtype), (&petsc_send_len)) || MPI_Gatherv((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (displs), (recvtype), (root), (comm)))
475 
476 #define MPI_Scatter(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm) \
477   ((petsc_scatter_ct++, 0) || PetscMPITypeSize((recvcount), (recvtype), (&petsc_recv_len)) || MPI_Scatter((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (root), (comm)))
478 
479 #define MPI_Scatterv(sendbuf, sendcount, displs, sendtype, recvbuf, recvcount, recvtype, root, comm) \
480   ((petsc_scatter_ct++, 0) || PetscMPITypeSize((recvcount), (recvtype), (&petsc_recv_len)) || MPI_Scatterv((sendbuf), (sendcount), (displs), (sendtype), (recvbuf), (recvcount), (recvtype), (root), (comm)))
481 
482 #define MPI_Ialltoall(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm, request) \
483   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)), 0) || PetscMPITypeSize((sendcount), (sendtype), (&petsc_send_len)) || MPI_Ialltoall((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (comm), (request)))
484 
485 #define MPI_Ialltoallv(sendbuf, sendcnts, sdispls, sendtype, recvbuf, recvcnts, rdispls, recvtype, comm, request) \
486   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)), 0) || PetscMPITypeSizeComm((comm), (sendcnts), (sendtype), (&petsc_send_len)) || MPI_Ialltoallv((sendbuf), (sendcnts), (sdispls), (sendtype), (recvbuf), (recvcnts), (rdispls), (recvtype), (comm), (request)))
487 
488 #define MPI_Iallgather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm, request) \
489   ((petsc_gather_ct += PetscMPIParallelComm((comm)), 0) || MPI_Iallgather((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (comm), (request)))
490 
491 #define MPI_Iallgatherv(sendbuf, sendcount, sendtype, recvbuf, recvcount, displs, recvtype, comm, request) \
492   ((petsc_gather_ct += PetscMPIParallelComm((comm)), 0) || MPI_Iallgatherv((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (displs), (recvtype), (comm), (request)))
493 
494 #define MPI_Igather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm, request) \
495   ((petsc_gather_ct++, 0) || PetscMPITypeSize((sendcount), (sendtype), (&petsc_send_len)) || MPI_Igather((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (root), (comm), (request)))
496 
497 #define MPI_Igatherv(sendbuf, sendcount, sendtype, recvbuf, recvcount, displs, recvtype, root, comm, request) \
498   ((petsc_gather_ct++, 0) || PetscMPITypeSize((sendcount), (sendtype), (&petsc_send_len)) || MPI_Igatherv((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (displs), (recvtype), (root), (comm), (request)))
499 
500 #define MPI_Iscatter(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm, request) \
501   ((petsc_scatter_ct++, 0) || PetscMPITypeSize((recvcount), (recvtype), (&petsc_recv_len)) || MPI_Iscatter((sendbuf), (sendcount), (sendtype), (recvbuf), (recvcount), (recvtype), (root), (comm), (request)))
502 
503 #define MPI_Iscatterv(sendbuf, sendcount, displs, sendtype, recvbuf, recvcount, recvtype, root, comm, request) \
504   ((petsc_scatter_ct++, 0) || PetscMPITypeSize((recvcount), (recvtype), (&petsc_recv_len)) || MPI_Iscatterv((sendbuf), (sendcount), (displs), (sendtype), (recvbuf), (recvcount), (recvtype), (root), (comm), (request)))
505 
506 #else
507 
508 #define MPI_Startall_irecv(count, datatype, number, requests) ((number) && MPI_Startall((number), (requests)))
509 
510 #define MPI_Startall_isend(count, datatype, number, requests) ((number) && MPI_Startall((number), (requests)))
511 
512 #define MPI_Start_isend(count, datatype, requests) (MPI_Start((requests)))
513 
514 #endif /* !MPIUNI_H && ! PETSC_HAVE_BROKEN_RECURSIVE_MACRO */
515 
516 #else /* ---Logging is turned off --------------------------------------------*/
517 
518 #define PetscLogMemory PETSC_FALSE
519 
520 #define PetscLogFlops(n) 0
521 #define PetscGetFlops(a) (*(a) = 0.0, 0)
522 
523 #define PetscLogStageRegister(a, b)   0
524 #define PetscLogStagePush(a)          0
525 #define PetscLogStagePop()            0
526 #define PetscLogStageSetActive(a, b)  0
527 #define PetscLogStageGetActive(a, b)  0
528 #define PetscLogStageGetVisible(a, b) 0
529 #define PetscLogStageSetVisible(a, b) 0
530 #define PetscLogStageGetId(a, b)      (*(b) = 0, 0)
531 
532 #define PetscLogEventRegister(a, b, c)    0
533 #define PetscLogEventSetCollective(a, b)  0
534 #define PetscLogEventIncludeClass(a)      0
535 #define PetscLogEventExcludeClass(a)      0
536 #define PetscLogEventActivate(a)          0
537 #define PetscLogEventDeactivate(a)        0
538 #define PetscLogEventDeactivatePush(a)    0
539 #define PetscLogEventDeactivatePop(a)     0
540 #define PetscLogEventActivateClass(a)     0
541 #define PetscLogEventDeactivateClass(a)   0
542 #define PetscLogEventSetActiveAll(a, b)   0
543 #define PetscLogEventGetId(a, b)          (*(b) = 0, 0)
544 #define PetscLogEventGetPerfInfo(a, b, c) 0
545 #define PetscLogEventSetDof(a, b, c)      0
546 #define PetscLogEventSetError(a, b, c)    0
547 
548 #define PetscLogPLB 0
549 #define PetscLogPLE 0
550 #define PetscLogPHC 0
551 #define PetscLogPHD 0
552 
553 #define PetscLogObjectParents(p, n, c) 0
554 #define PetscLogObjectCreate(h)        0
555 #define PetscLogObjectDestroy(h)       0
556 PETSC_EXTERN PetscErrorCode PetscLogObjectState(PetscObject, const char[], ...) PETSC_ATTRIBUTE_FORMAT(2, 3);
557 
558 #define PetscLogDefaultBegin()     0
559 #define PetscLogAllBegin()         0
560 #define PetscLogNestedBegin()      0
561 #define PetscLogTraceBegin(file)   0
562 #define PetscLogActions(a)         0
563 #define PetscLogObjects(a)         0
564 #define PetscLogSetThreshold(a, b) 0
565 #define PetscLogSet(lb, le)        0
566 #define PetscLogIsActive(flag)     (*(flag) = PETSC_FALSE, 0)
567 
568 #define PetscLogView(viewer)      0
569 #define PetscLogViewFromOptions() 0
570 #define PetscLogDump(c)           0
571 
572 #define PetscLogEventSync(e, comm)                            0
573 #define PetscLogEventBegin(e, o1, o2, o3, o4)                 0
574 #define PetscLogEventEnd(e, o1, o2, o3, o4)                   0
575 
576 /* If PETSC_USE_LOG is NOT defined, these still need to be! */
577 #define MPI_Startall_irecv(count, datatype, number, requests) ((number) && MPI_Startall(number, requests))
578 #define MPI_Startall_isend(count, datatype, number, requests) ((number) && MPI_Startall(number, requests))
579 #define MPI_Start_isend(count, datatype, requests)            MPI_Start(requests)
580 
581 #endif /* PETSC_USE_LOG */
582 
583 #if defined(PETSC_USE_LOG) && defined(PETSC_HAVE_DEVICE)
584 
585 /* Global GPU counters */
586 PETSC_EXTERN PetscLogDouble petsc_ctog_ct;
587 PETSC_EXTERN PetscLogDouble petsc_gtoc_ct;
588 PETSC_EXTERN PetscLogDouble petsc_ctog_sz;
589 PETSC_EXTERN PetscLogDouble petsc_gtoc_sz;
590 PETSC_EXTERN PetscLogDouble petsc_ctog_ct_scalar;
591 PETSC_EXTERN PetscLogDouble petsc_gtoc_ct_scalar;
592 PETSC_EXTERN PetscLogDouble petsc_ctog_sz_scalar;
593 PETSC_EXTERN PetscLogDouble petsc_gtoc_sz_scalar;
594 PETSC_EXTERN PetscLogDouble petsc_gflops;
595 PETSC_EXTERN PetscLogDouble petsc_gtime;
596 
597 static inline PetscErrorCode PetscLogCpuToGpu(PetscLogDouble size) {
598   PetscFunctionBegin;
599   petsc_ctog_ct += 1;
600   petsc_ctog_sz += size;
601   PetscFunctionReturn(0);
602 }
603 
604 static inline PetscErrorCode PetscLogGpuToCpu(PetscLogDouble size) {
605   PetscFunctionBegin;
606   petsc_gtoc_ct += 1;
607   petsc_gtoc_sz += size;
608   PetscFunctionReturn(0);
609 }
610 
611 static inline PetscErrorCode PetscLogCpuToGpuScalar(PetscLogDouble size) {
612   PetscFunctionBegin;
613   petsc_ctog_ct_scalar += 1;
614   petsc_ctog_sz_scalar += size;
615   PetscFunctionReturn(0);
616 }
617 
618 static inline PetscErrorCode PetscLogGpuToCpuScalar(PetscLogDouble size) {
619   PetscFunctionBegin;
620   petsc_gtoc_ct_scalar += 1;
621   petsc_gtoc_sz_scalar += size;
622   PetscFunctionReturn(0);
623 }
624 
625 /*@C
626        PetscLogGpuFlops - Log how many flops are performed in a calculation on the device
627 
628    Input Parameter:
629 .   flops - the number of flops
630 
631    Notes:
632      To limit the chance of integer overflow when multiplying by a constant, represent the constant as a double,
633      not an integer. Use PetscLogFlops(4.0*n) not PetscLogFlops(4*n)
634 
635      The values are also added to the total flop count for the MPI rank that is set with `PetscLogFlops()`; hence the number of flops
636      just on the CPU would be the value from set from `PetscLogFlops()` minus the value set from `PetscLogGpuFlops()`
637 
638    Level: intermediate
639 
640 .seealso: `PetscLogView()`, `PetscLogFlops()`, `PetscLogGpuTimeBegin()`, `PetscLogGpuTimeEnd()`
641 @*/
642 static inline PetscErrorCode PetscLogGpuFlops(PetscLogDouble n) {
643   PetscFunctionBegin;
644   PetscCheck(n >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Cannot log negative flops");
645   petsc_TotalFlops += PETSC_FLOPS_PER_OP * n;
646   petsc_gflops += PETSC_FLOPS_PER_OP * n;
647   PetscFunctionReturn(0);
648 }
649 
650 static inline PetscErrorCode PetscLogGpuTimeAdd(PetscLogDouble t) {
651   PetscFunctionBegin;
652   petsc_gtime += t;
653   PetscFunctionReturn(0);
654 }
655 
656 PETSC_EXTERN PetscErrorCode PetscLogGpuTime(void);
657 PETSC_EXTERN PetscErrorCode PetscLogGpuTimeBegin(void);
658 PETSC_EXTERN PetscErrorCode PetscLogGpuTimeEnd(void);
659 
660 #else
661 
662 #define PetscLogCpuToGpu(a)       0
663 #define PetscLogGpuToCpu(a)       0
664 #define PetscLogCpuToGpuScalar(a) 0
665 #define PetscLogGpuToCpuScalar(a) 0
666 #define PetscLogGpuFlops(a)       0
667 #define PetscLogGpuTime()         0
668 #define PetscLogGpuTimeAdd(a)     0
669 #define PetscLogGpuTimeBegin()    0
670 #define PetscLogGpuTimeEnd()      0
671 
672 #endif /* PETSC_USE_LOG && PETSC_HAVE_DEVICE */
673 
674 #define PetscPreLoadBegin(flag, name) \
675   do { \
676     PetscBool     PetscPreLoading = flag; \
677     int           PetscPreLoadMax, PetscPreLoadIt; \
678     PetscLogStage _stageNum; \
679     PetscCall(PetscOptionsGetBool(NULL, NULL, "-preload", &PetscPreLoading, NULL)); \
680     PetscPreLoadMax     = (int)(PetscPreLoading); \
681     PetscPreLoadingUsed = PetscPreLoading ? PETSC_TRUE : PetscPreLoadingUsed; \
682     for (PetscPreLoadIt = 0; PetscPreLoadIt <= PetscPreLoadMax; PetscPreLoadIt++) { \
683       PetscPreLoadingOn = PetscPreLoading; \
684       PetscCall(PetscBarrier(NULL)); \
685       if (PetscPreLoadIt > 0) PetscCall(PetscLogStageGetId(name, &_stageNum)); \
686       else PetscCall(PetscLogStageRegister(name, &_stageNum)); \
687       PetscCall(PetscLogStageSetActive(_stageNum, (PetscBool)(!PetscPreLoadMax || PetscPreLoadIt))); \
688       PetscCall(PetscLogStagePush(_stageNum));
689 
690 #define PetscPreLoadEnd() \
691   PetscCall(PetscLogStagePop()); \
692   PetscPreLoading = PETSC_FALSE; \
693   } \
694   } \
695   while (0)
696 
697 #define PetscPreLoadStage(name) \
698   do { \
699     PetscCall(PetscLogStagePop()); \
700     if (PetscPreLoadIt > 0) PetscCall(PetscLogStageGetId(name, &_stageNum)); \
701     else PetscCall(PetscLogStageRegister(name, &_stageNum)); \
702     PetscCall(PetscLogStageSetActive(_stageNum, (PetscBool)(!PetscPreLoadMax || PetscPreLoadIt))); \
703     PetscCall(PetscLogStagePush(_stageNum)); \
704   } while (0)
705 
706 /* some vars for logging */
707 PETSC_EXTERN PetscBool PetscPreLoadingUsed; /* true if we are or have done preloading */
708 PETSC_EXTERN PetscBool PetscPreLoadingOn;   /* true if we are currently in a preloading calculation */
709 
710 #endif
711