Date: 2026-03-31T05:46:30+00:00

Actual source code: logdefault.c

      1: #include <petscviewer.h>
      2: #include <petscdevice.h>
      3: #include <petsc/private/logimpl.h>
      4: #include <petsc/private/loghandlerimpl.h>
      5: #include <petsc/private/deviceimpl.h>
      6: #include <petscconfiginfo.h>
      7: #include <petscmachineinfo.h>
      8: #include "logdefault.h"

     10: static PetscErrorCode PetscEventPerfInfoInit(PetscEventPerfInfo *eventInfo)
     11: {
     12:   PetscFunctionBegin;
     13:   PetscCall(PetscMemzero(eventInfo, sizeof(*eventInfo)));
     14:   eventInfo->visible   = PETSC_TRUE;
     15:   eventInfo->id        = -1;
     16:   eventInfo->dof[0]    = -1.0;
     17:   eventInfo->dof[1]    = -1.0;
     18:   eventInfo->dof[2]    = -1.0;
     19:   eventInfo->dof[3]    = -1.0;
     20:   eventInfo->dof[4]    = -1.0;
     21:   eventInfo->dof[5]    = -1.0;
     22:   eventInfo->dof[6]    = -1.0;
     23:   eventInfo->dof[7]    = -1.0;
     24:   eventInfo->errors[0] = -1.0;
     25:   eventInfo->errors[1] = -1.0;
     26:   eventInfo->errors[2] = -1.0;
     27:   eventInfo->errors[3] = -1.0;
     28:   eventInfo->errors[4] = -1.0;
     29:   eventInfo->errors[5] = -1.0;
     30:   eventInfo->errors[6] = -1.0;
     31:   eventInfo->errors[7] = -1.0;
     32:   PetscFunctionReturn(PETSC_SUCCESS);
     33: }

     35: static PetscErrorCode PetscEventPerfInfoTic_Internal(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event, PetscBool resume)
     36: {
     37:   PetscFunctionBegin;
     38:   if (resume) {
     39:     eventInfo->timeTmp -= time;
     40:     eventInfo->flopsTmp -= petsc_TotalFlops_th;
     41:   } else {
     42:     eventInfo->timeTmp  = -time;
     43:     eventInfo->flopsTmp = -petsc_TotalFlops_th;
     44:   }
     45:   eventInfo->numMessages -= petsc_irecv_ct_th + petsc_isend_ct_th + petsc_recv_ct_th + petsc_send_ct_th;
     46:   eventInfo->messageLength -= petsc_irecv_len_th + petsc_isend_len_th + petsc_recv_len_th + petsc_send_len_th;
     47:   eventInfo->numReductions -= petsc_allreduce_ct_th + petsc_gather_ct_th + petsc_scatter_ct_th;
     48: #if defined(PETSC_HAVE_DEVICE)
     49:   eventInfo->CpuToGpuCount -= petsc_ctog_ct_th;
     50:   eventInfo->GpuToCpuCount -= petsc_gtoc_ct_th;
     51:   eventInfo->CpuToGpuSize -= petsc_ctog_sz_th;
     52:   eventInfo->GpuToCpuSize -= petsc_gtoc_sz_th;
     53:   eventInfo->GpuFlops -= petsc_gflops_th;
     54:   eventInfo->GpuTime -= petsc_gtime;
     55:   if (PetscLogGpuEnergyFlag) eventInfo->GpuEnergy -= petsc_genergy;
     56:   if (PetscLogGpuEnergyMeterFlag) eventInfo->GpuEnergy -= petsc_genergy_meter;
     57: #endif
     58:   if (logMemory) {
     59:     PetscLogDouble usage;
     60:     PetscCall(PetscMemoryGetCurrentUsage(&usage));
     61:     eventInfo->memIncrease -= usage;
     62:     PetscCall(PetscMallocGetCurrentUsage(&usage));
     63:     eventInfo->mallocSpace -= usage;
     64:     PetscCall(PetscMallocGetMaximumUsage(&usage));
     65:     eventInfo->mallocIncrease -= usage;
     66:     PetscCall(PetscMallocPushMaximumUsage(event));
     67:   }
     68:   PetscFunctionReturn(PETSC_SUCCESS);
     69: }

     71: static PetscErrorCode PetscEventPerfInfoTic(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
     72: {
     73:   PetscFunctionBegin;
     74:   PetscCall(PetscEventPerfInfoTic_Internal(eventInfo, time, logMemory, event, PETSC_FALSE));
     75:   PetscFunctionReturn(PETSC_SUCCESS);
     76: }

     78: static PetscErrorCode PetscEventPerfInfoResume(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
     79: {
     80:   PetscFunctionBegin;
     81:   PetscCall(PetscEventPerfInfoTic_Internal(eventInfo, time, logMemory, event, PETSC_TRUE));
     82:   PetscFunctionReturn(PETSC_SUCCESS);
     83: }

     85: static PetscErrorCode PetscEventPerfInfoToc_Internal(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event, PetscBool pause)
     86: {
     87:   PetscFunctionBegin;
     88:   eventInfo->timeTmp += time;
     89:   eventInfo->flopsTmp += petsc_TotalFlops_th;
     90:   if (!pause) {
     91:     eventInfo->time += eventInfo->timeTmp;
     92:     eventInfo->time2 += eventInfo->timeTmp * eventInfo->timeTmp;
     93:     eventInfo->flops += eventInfo->flopsTmp;
     94:     eventInfo->flops2 += eventInfo->flopsTmp * eventInfo->flopsTmp;
     95:   }
     96:   eventInfo->numMessages += petsc_irecv_ct_th + petsc_isend_ct_th + petsc_recv_ct_th + petsc_send_ct_th;
     97:   eventInfo->messageLength += petsc_irecv_len_th + petsc_isend_len_th + petsc_recv_len + petsc_send_len_th;
     98:   eventInfo->numReductions += petsc_allreduce_ct_th + petsc_gather_ct_th + petsc_scatter_ct_th;
     99: #if defined(PETSC_HAVE_DEVICE)
    100:   eventInfo->CpuToGpuCount += petsc_ctog_ct_th;
    101:   eventInfo->GpuToCpuCount += petsc_gtoc_ct_th;
    102:   eventInfo->CpuToGpuSize += petsc_ctog_sz_th;
    103:   eventInfo->GpuToCpuSize += petsc_gtoc_sz_th;
    104:   eventInfo->GpuFlops += petsc_gflops_th;
    105:   eventInfo->GpuTime += petsc_gtime;
    106:   if (PetscLogGpuEnergyFlag) eventInfo->GpuEnergy += petsc_genergy;
    107:   if (PetscLogGpuEnergyMeterFlag) eventInfo->GpuEnergy += petsc_genergy_meter;
    108: #endif
    109:   if (logMemory) {
    110:     PetscLogDouble usage, musage;
    111:     PetscCall(PetscMemoryGetCurrentUsage(&usage)); /* the comments below match the column labels printed in PetscLogView_Default() */
    112:     eventInfo->memIncrease += usage;               /* RMI */
    113:     PetscCall(PetscMallocGetCurrentUsage(&usage));
    114:     eventInfo->mallocSpace += usage; /* Malloc */
    115:     PetscCall(PetscMallocPopMaximumUsage(event, &musage));
    116:     eventInfo->mallocIncreaseEvent = PetscMax(musage - usage, eventInfo->mallocIncreaseEvent); /* EMalloc */
    117:     PetscCall(PetscMallocGetMaximumUsage(&usage));
    118:     eventInfo->mallocIncrease += usage; /* MMalloc */
    119:   }
    120:   PetscFunctionReturn(PETSC_SUCCESS);
    121: }

    123: static PetscErrorCode PetscEventPerfInfoToc(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
    124: {
    125:   PetscFunctionBegin;
    126:   PetscCall(PetscEventPerfInfoToc_Internal(eventInfo, time, logMemory, event, PETSC_FALSE));
    127:   PetscFunctionReturn(PETSC_SUCCESS);
    128: }

    130: static PetscErrorCode PetscEventPerfInfoPause(PetscEventPerfInfo *eventInfo, PetscLogDouble time, PetscBool logMemory, int event)
    131: {
    132:   PetscFunctionBegin;
    133:   PetscCall(PetscEventPerfInfoToc_Internal(eventInfo, time, logMemory, event, PETSC_TRUE));
    134:   PetscFunctionReturn(PETSC_SUCCESS);
    135: }

    137: static PetscErrorCode PetscEventPerfInfoAdd_Internal(const PetscEventPerfInfo *eventInfo, PetscEventPerfInfo *outInfo)
    138: {
    139:   PetscFunctionBegin;
    140:   outInfo->count += eventInfo->count;
    141:   outInfo->time += eventInfo->time;
    142:   outInfo->time2 += eventInfo->time2;
    143:   outInfo->flops += eventInfo->flops;
    144:   outInfo->flops2 += eventInfo->flops2;
    145:   outInfo->numMessages += eventInfo->numMessages;
    146:   outInfo->messageLength += eventInfo->messageLength;
    147:   outInfo->numReductions += eventInfo->numReductions;
    148: #if defined(PETSC_HAVE_DEVICE)
    149:   outInfo->CpuToGpuCount += eventInfo->CpuToGpuCount;
    150:   outInfo->GpuToCpuCount += eventInfo->GpuToCpuCount;
    151:   outInfo->CpuToGpuSize += eventInfo->CpuToGpuSize;
    152:   outInfo->GpuToCpuSize += eventInfo->GpuToCpuSize;
    153:   outInfo->GpuFlops += eventInfo->GpuFlops;
    154:   outInfo->GpuTime += eventInfo->GpuTime;
    155:   outInfo->GpuEnergy += eventInfo->GpuEnergy;
    156: #endif
    157:   outInfo->memIncrease += eventInfo->memIncrease;
    158:   outInfo->mallocSpace += eventInfo->mallocSpace;
    159:   outInfo->mallocIncreaseEvent += eventInfo->mallocIncreaseEvent;
    160:   outInfo->mallocIncrease += eventInfo->mallocIncrease;
    161:   PetscFunctionReturn(PETSC_SUCCESS);
    162: }

    164: PETSC_LOG_RESIZABLE_ARRAY(EventPerfArray, PetscEventPerfInfo, PetscLogEvent, PetscEventPerfInfoInit, NULL, NULL)

    166: /* --- PetscClassPerf --- */

    168: typedef struct {
    169:   int            creations;    /* The number of objects of this class created */
    170:   int            destructions; /* The number of objects of this class destroyed */
    171:   PetscLogDouble mem;          /* The total memory allocated by objects of this class; this is completely wrong and should possibly be removed */
    172:   PetscLogDouble descMem;      /* The total memory allocated by descendents of these objects; this is completely wrong and should possibly be removed */
    173: } PetscClassPerf;

    175: static PetscErrorCode PetscClassPerfInit(PetscClassPerf *classInfo)
    176: {
    177:   PetscFunctionBegin;
    178:   PetscCall(PetscMemzero(classInfo, sizeof(*classInfo)));
    179:   PetscFunctionReturn(PETSC_SUCCESS);
    180: }

    182: PETSC_LOG_RESIZABLE_ARRAY(ClassPerfArray, PetscClassPerf, PetscLogClass, PetscClassPerfInit, NULL, NULL)

    184: /* --- PetscStagePerf --- */

    186: typedef struct _PetscStagePerf {
    187:   PetscBool              used;     /* The stage was pushed on this processor */
    188:   PetscEventPerfInfo     perfInfo; /* The stage performance information */
    189:   PetscLogEventPerfArray eventLog; /* The event information for this stage */
    190:   PetscLogClassPerfArray classLog; /* The class information for this stage */
    191: } PetscStagePerf;

    193: static PetscErrorCode PetscStageInfoInit(PetscStagePerf *stageInfo)
    194: {
    195:   PetscFunctionBegin;
    196:   PetscCall(PetscMemzero(stageInfo, sizeof(*stageInfo)));
    197:   PetscCall(PetscLogEventPerfArrayCreate(128, &stageInfo->eventLog));
    198:   PetscCall(PetscLogClassPerfArrayCreate(128, &stageInfo->classLog));
    199:   PetscCall(PetscEventPerfInfoInit(&stageInfo->perfInfo));
    200:   PetscFunctionReturn(PETSC_SUCCESS);
    201: }

    203: static PetscErrorCode PetscStageInfoReset(PetscStagePerf *stageInfo)
    204: {
    205:   PetscFunctionBegin;
    206:   PetscCall(PetscLogEventPerfArrayDestroy(&stageInfo->eventLog));
    207:   PetscCall(PetscLogClassPerfArrayDestroy(&stageInfo->classLog));
    208:   PetscFunctionReturn(PETSC_SUCCESS);
    209: }

    211: PETSC_LOG_RESIZABLE_ARRAY(StageInfoArray, PetscStagePerf, PetscLogStage, PetscStageInfoInit, PetscStageInfoReset, NULL)

    213: /* --- Action --- */

    215: /* The structure for action logging */
    216: typedef enum {
    217:   PETSC_LOG_ACTION_CREATE,
    218:   PETSC_LOG_ACTION_DESTROY,
    219:   PETSC_LOG_ACTION_BEGIN,
    220:   PETSC_LOG_ACTION_END,
    221: } PetscLogActionType;

    223: typedef struct _Action {
    224:   PetscLogActionType action;        /* The type of execution */
    225:   PetscLogEvent      event;         /* The event number */
    226:   PetscClassId       classid;       /* The event class id */
    227:   PetscLogDouble     time;          /* The time of occurrence */
    228:   PetscLogDouble     flops;         /* The cumulative flops */
    229:   PetscLogDouble     mem;           /* The current memory usage */
    230:   PetscLogDouble     maxmem;        /* The maximum memory usage */
    231:   PetscObjectId      id1, id2, id3; /* The ids of associated objects */
    232: } Action;

    234: PETSC_LOG_RESIZABLE_ARRAY(ActionArray, Action, PetscLogEvent, NULL, NULL, NULL)

    236: /* --- Object --- */

    238: /* The structure for object logging */
    239: typedef struct _Object {
    240:   PetscObject    obj;      /* The associated PetscObject */
    241:   int            parent;   /* The parent id */
    242:   PetscLogDouble mem;      /* The memory associated with the object */
    243:   char           name[64]; /* The object name */
    244:   char           info[64]; /* The information string */
    245: } Object;

    247: PETSC_LOG_RESIZABLE_ARRAY(ObjectArray, Object, PetscObject, NULL, NULL, NULL)

    249: /* Map from (threadid,stage,event) to perfInfo data struct */
    250: #include <petsc/private/hashmapijk.h>

    252: PETSC_HASH_MAP(HMapEvent, PetscHashIJKKey, PetscEventPerfInfo *, PetscHashIJKKeyHash, PetscHashIJKKeyEqual, NULL)

    254: typedef struct _n_PetscLogHandler_Default *PetscLogHandler_Default;
    255: struct _n_PetscLogHandler_Default {
    256:   PetscLogStageInfoArray stages;
    257:   PetscSpinlock          lock;
    258:   PetscLogActionArray    petsc_actions;
    259:   PetscLogObjectArray    petsc_objects;
    260:   PetscBool              petsc_logActions;
    261:   PetscBool              petsc_logObjects;
    262:   int                    petsc_numObjectsCreated;
    263:   int                    petsc_numObjectsDestroyed;
    264:   PetscHMapEvent         eventInfoMap_th;
    265:   int                    pause_depth;
    266:   PetscBool              use_threadsafe;
    267: };

    269: /* --- PetscLogHandler_Default --- */

    271: static PetscErrorCode PetscLogHandlerContextCreate_Default(PetscLogHandler_Default *def_p)
    272: {
    273:   PetscLogHandler_Default def;

    275:   PetscFunctionBegin;
    276:   PetscCall(PetscNew(def_p));
    277:   def = *def_p;
    278:   PetscCall(PetscLogStageInfoArrayCreate(8, &def->stages));
    279:   PetscCall(PetscLogActionArrayCreate(64, &def->petsc_actions));
    280:   PetscCall(PetscLogObjectArrayCreate(64, &def->petsc_objects));
    281:   PetscCall(PetscSpinlockCreate(&def->lock));

    283:   PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_include_actions", &def->petsc_logActions, NULL));
    284:   PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_include_objects", &def->petsc_logObjects, NULL));
    285:   PetscCall(PetscOptionsGetBool(NULL, NULL, "-log_handler_default_use_threadsafe_events", &def->use_threadsafe, NULL));
    286:   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) PetscCall(PetscHMapEventCreate(&def->eventInfoMap_th));
    287:   PetscFunctionReturn(PETSC_SUCCESS);
    288: }

    290: static PetscErrorCode PetscLogHandlerDestroy_Default(PetscLogHandler h)
    291: {
    292:   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;

    294:   PetscFunctionBegin;
    295:   PetscCall(PetscLogStageInfoArrayDestroy(&def->stages));
    296:   PetscCall(PetscLogActionArrayDestroy(&def->petsc_actions));
    297:   PetscCall(PetscLogObjectArrayDestroy(&def->petsc_objects));
    298:   PetscCall(PetscSpinlockDestroy(&def->lock));
    299:   if (def->eventInfoMap_th) {
    300:     PetscEventPerfInfo **array;
    301:     PetscInt             n, off = 0;

    303:     PetscCall(PetscHMapEventGetSize(def->eventInfoMap_th, &n));
    304:     PetscCall(PetscMalloc1(n, &array));
    305:     PetscCall(PetscHMapEventGetVals(def->eventInfoMap_th, &off, array));
    306:     for (PetscInt i = 0; i < n; i++) PetscCall(PetscFree(array[i]));
    307:     PetscCall(PetscFree(array));
    308:     PetscCall(PetscHMapEventDestroy(&def->eventInfoMap_th));
    309:   }
    310:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerGetEventPerfInfo_C", NULL));
    311:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerGetStagePerfInfo_C", NULL));
    312:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerSetLogActions_C", NULL));
    313:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerSetLogObjects_C", NULL));
    314:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerLogObjectState_C", NULL));
    315:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerGetNumObjects_C", NULL));
    316:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventDeactivatePush_C", NULL));
    317:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventDeactivatePop_C", NULL));
    318:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventsPause_C", NULL));
    319:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerEventsResume_C", NULL));
    320:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerDump_C", NULL));
    321:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerStageSetVisible_C", NULL));
    322:   PetscCall(PetscObjectComposeFunction((PetscObject)h, "PetscLogHandlerStageGetVisible_C", NULL));
    323:   PetscCall(PetscFree(def));
    324:   PetscFunctionReturn(PETSC_SUCCESS);
    325: }

    327: static PetscErrorCode PetscLogHandlerDefaultGetStageInfo(PetscLogHandler handler, PetscLogStage stage, PetscStagePerf **stage_info_p)
    328: {
    329:   PetscStagePerf         *stage_info = NULL;
    330:   PetscLogHandler_Default def        = (PetscLogHandler_Default)handler->data;

    332:   PetscFunctionBegin;
    333:   PetscCall(PetscLogStageInfoArrayResize(def->stages, stage + 1));
    334:   PetscCall(PetscLogStageInfoArrayGetRef(def->stages, stage, &stage_info));
    335:   *stage_info_p = stage_info;
    336:   PetscFunctionReturn(PETSC_SUCCESS);
    337: }

    339: static PetscErrorCode PetscLogHandlerGetEventPerfInfo_Default(PetscLogHandler handler, PetscLogStage stage, PetscLogEvent event, PetscEventPerfInfo **event_info_p)
    340: {
    341:   PetscEventPerfInfo    *event_info = NULL;
    342:   PetscStagePerf        *stage_info = NULL;
    343:   PetscLogEventPerfArray event_log;

    345:   PetscFunctionBegin;
    346:   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(handler->state, &stage));
    347:   PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_info));
    348:   event_log = stage_info->eventLog;
    349:   PetscCall(PetscLogEventPerfArrayResize(event_log, event + 1));
    350:   PetscCall(PetscLogEventPerfArrayGetRef(event_log, event, &event_info));
    351:   event_info->id = event;
    352:   *event_info_p  = event_info;
    353:   PetscFunctionReturn(PETSC_SUCCESS);
    354: }

    356: static PetscErrorCode PetscLogHandlerGetStagePerfInfo_Default(PetscLogHandler handler, PetscLogStage stage, PetscEventPerfInfo **stage_info_p)
    357: {
    358:   PetscStagePerf *stage_perf_info = NULL;

    360:   PetscFunctionBegin;
    361:   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(handler->state, &stage));
    362:   PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_perf_info));
    363:   *stage_info_p = &stage_perf_info->perfInfo;
    364:   PetscFunctionReturn(PETSC_SUCCESS);
    365: }

    367: static PetscErrorCode PetscLogHandlerDefaultGetClassPerf(PetscLogHandler handler, PetscLogStage stage, PetscLogClass clss, PetscClassPerf **class_info)
    368: {
    369:   PetscLogClassPerfArray class_log;
    370:   PetscStagePerf        *stage_info;

    372:   PetscFunctionBegin;
    373:   PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_info));
    374:   class_log = stage_info->classLog;
    375:   PetscCall(PetscLogClassPerfArrayResize(class_log, clss + 1));
    376:   PetscCall(PetscLogClassPerfArrayGetRef(class_log, clss, class_info));
    377:   PetscFunctionReturn(PETSC_SUCCESS);
    378: }

    380: PETSC_PRAGMA_DIAGNOSTIC_IGNORED_BEGIN("-Wconversion")
    381: static PetscErrorCode PetscLogHandlerObjectCreate_Default(PetscLogHandler h, PetscObject obj)
    382: {
    383:   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
    384:   PetscLogState           state;
    385:   PetscLogStage           stage;
    386:   PetscClassPerf         *classInfo;
    387:   int                     oclass = 0;

    389:   PetscFunctionBegin;
    390:   PetscCall(PetscLogHandlerGetState(h, &state));
    391:   PetscCall(PetscSpinlockLock(&def->lock));
    392:   /* Record stage info */
    393:   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
    394:   PetscCall(PetscLogStateGetClassFromClassId(state, obj->classid, &oclass));
    395:   PetscCall(PetscLogHandlerDefaultGetClassPerf(h, stage, oclass, &classInfo));
    396:   classInfo->creations++;
    397:   /* Record the creation action */
    398:   if (def->petsc_logActions) {
    399:     Action new_action;

    401:     PetscCall(PetscTime(&new_action.time));
    402:     new_action.time -= petsc_BaseTime;
    403:     new_action.action  = PETSC_LOG_ACTION_CREATE;
    404:     new_action.event   = -1;
    405:     new_action.classid = obj->classid;
    406:     new_action.id1     = obj->id;
    407:     new_action.id2     = -1;
    408:     new_action.id3     = -1;
    409:     new_action.flops   = petsc_TotalFlops;
    410:     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
    411:     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
    412:     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
    413:   }
    414:   /* We don't just use obj->id to count all objects that are created
    415:      because PetscLogHandlers are objects and PetscLogObjectDestroy() will not
    416:      be called for them: the number of objects created and destroyed as counted
    417:      here and below would have an imbalance */
    418:   def->petsc_numObjectsCreated++;
    419:   /* Record the object */
    420:   if (def->petsc_logObjects) {
    421:     Object   new_object;
    422:     PetscInt objid;

    424:     new_object.parent = -1;
    425:     new_object.obj    = obj;
    426:     new_object.mem    = 0;

    428:     PetscCall(PetscMemzero(new_object.name, sizeof(new_object.name)));
    429:     PetscCall(PetscMemzero(new_object.info, sizeof(new_object.info)));
    430:     PetscAssert(obj->id >= 1, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Object ids from PetscObjectNewId_Internal() start at 1");
    431:     PetscCall(PetscIntCast(obj->id, &objid));
    432:     PetscCall(PetscLogObjectArrayResize(def->petsc_objects, objid));
    433:     PetscCall(PetscLogObjectArraySet(def->petsc_objects, objid - 1, new_object));
    434:   }
    435:   PetscCall(PetscSpinlockUnlock(&def->lock));
    436:   PetscFunctionReturn(PETSC_SUCCESS);
    437: }

    439: static PetscErrorCode PetscLogHandlerObjectDestroy_Default(PetscLogHandler h, PetscObject obj)
    440: {
    441:   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
    442:   PetscLogState           state;
    443:   PetscLogStage           stage;
    444:   PetscClassPerf         *classInfo;
    445:   int                     oclass = 0;

    447:   PetscFunctionBegin;
    448:   PetscCall(PetscLogHandlerGetState(h, &state));
    449:   /* Record stage info */
    450:   PetscCall(PetscSpinlockLock(&def->lock));
    451:   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
    452:   if (stage >= 0) {
    453:     /* stage < 0 can happen if the log summary is output before some things are destroyed */
    454:     PetscCall(PetscLogStateGetClassFromClassId(state, obj->classid, &oclass));
    455:     PetscCall(PetscLogHandlerDefaultGetClassPerf(h, stage, oclass, &classInfo));
    456:     classInfo->destructions++;
    457:   }
    458:   /* Cannot Credit all ancestors with your memory because they may have already been destroyed*/
    459:   def->petsc_numObjectsDestroyed++;
    460:   /* Dynamically enlarge logging structures */
    461:   /* Record the destruction action */
    462:   if (def->petsc_logActions) {
    463:     Action new_action;

    465:     PetscCall(PetscTime(&new_action.time));
    466:     new_action.time -= petsc_BaseTime;
    467:     new_action.event   = -1;
    468:     new_action.action  = PETSC_LOG_ACTION_DESTROY;
    469:     new_action.classid = obj->classid;
    470:     new_action.id1     = obj->id;
    471:     new_action.id2     = -1;
    472:     new_action.id3     = -1;
    473:     new_action.flops   = petsc_TotalFlops;
    474:     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
    475:     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
    476:     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
    477:   }
    478:   if (def->petsc_logObjects) {
    479:     Object  *obj_entry = NULL;
    480:     PetscInt objid;

    482:     PetscAssert(obj->id >= 1, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Object ids from PetscObjectNewId_Internal() start at 1");
    483:     PetscCall(PetscIntCast(obj->id - 1, &objid));
    484:     PetscCall(PetscLogObjectArrayGetRef(def->petsc_objects, objid, &obj_entry));
    485:     if (obj->name) PetscCall(PetscStrncpy(obj_entry->name, obj->name, 64));
    486:     obj_entry->obj = NULL;
    487:   }
    488:   PetscCall(PetscSpinlockUnlock(&def->lock));
    489:   PetscFunctionReturn(PETSC_SUCCESS);
    490: }

    492: static PetscErrorCode PetscLogHandlerEventSync_Default(PetscLogHandler h, PetscLogEvent event, MPI_Comm comm)
    493: {
    494:   PetscLogState       state;
    495:   PetscLogEventInfo   event_info;
    496:   PetscEventPerfInfo *event_perf_info;
    497:   int                 stage;
    498:   PetscLogDouble      time = 0.0;

    500:   PetscFunctionBegin;
    501:   if (!PetscLogSyncOn || comm == MPI_COMM_NULL) PetscFunctionReturn(PETSC_SUCCESS);
    502:   PetscCall(PetscLogHandlerGetState(h, &state));
    503:   PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
    504:   if (!event_info.collective) PetscFunctionReturn(PETSC_SUCCESS);
    505:   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
    506:   PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
    507:   if (event_perf_info->depth > 0) PetscFunctionReturn(PETSC_SUCCESS);

    509:   PetscCall(PetscTimeSubtract(&time));
    510:   PetscCallMPI(MPI_Barrier(comm));
    511:   PetscCall(PetscTimeAdd(&time));
    512:   event_perf_info->syncTime += time;
    513:   PetscFunctionReturn(PETSC_SUCCESS);
    514: }

    516: static PetscErrorCode PetscLogGetStageEventPerfInfo_threaded(PetscLogHandler_Default def, PetscLogStage stage, PetscLogEvent event, PetscEventPerfInfo **eventInfo)
    517: {
    518:   PetscEventPerfInfo *leventInfo = NULL;
    519:   PetscHashIJKKey     key;

    521:   PetscFunctionBegin;
    522: #if PetscDefined(HAVE_THREADSAFETY)
    523:   key.i = PetscLogGetTid();
    524: #else
    525:   key.i = 0;
    526: #endif
    527:   key.j = stage;
    528:   key.k = event;
    529:   PetscCall(PetscSpinlockLock(&def->lock));
    530:   PetscCall(PetscHMapEventGet(def->eventInfoMap_th, key, &leventInfo));
    531:   if (!leventInfo) {
    532:     PetscCall(PetscNew(&leventInfo));
    533:     leventInfo->id = event;
    534:     PetscCall(PetscHMapEventSet(def->eventInfoMap_th, key, leventInfo));
    535:   }
    536:   PetscCall(PetscSpinlockUnlock(&def->lock));
    537:   *eventInfo = leventInfo;
    538:   PetscFunctionReturn(PETSC_SUCCESS);
    539: }

    541: static PetscErrorCode PetscLogHandlerEventBegin_Default(PetscLogHandler h, PetscLogEvent event, PetscObject o1, PetscObject o2, PetscObject o3, PetscObject o4)
    542: {
    543:   PetscLogHandler_Default def             = (PetscLogHandler_Default)h->data;
    544:   PetscEventPerfInfo     *event_perf_info = NULL;
    545:   PetscLogEventInfo       event_info;
    546:   PetscLogDouble          time;
    547:   PetscLogState           state;
    548:   PetscLogStage           stage;

    550:   PetscFunctionBegin;
    551:   PetscCall(PetscLogHandlerGetState(h, &state));
    552:   if (PetscDefined(USE_DEBUG)) {
    553:     PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
    558:     if (event_info.collective && o1) {
    559:       PetscInt64 b1[2], b2[2];

    561:       b1[0] = -o1->cidx;
    562:       b1[1] = o1->cidx;
    563:       PetscCallMPI(MPIU_Allreduce(b1, b2, 2, MPIU_INT64, MPI_MAX, PetscObjectComm(o1)));
    564:       PetscCheck(-b2[0] == b2[1], PETSC_COMM_SELF, PETSC_ERR_PLIB, "Collective event %s not called collectively %" PetscInt64_FMT " != %" PetscInt64_FMT, event_info.name, -b2[0], b2[1]);
    565:     }
    566:   }
    567:   /* Synchronization */
    568:   PetscCall(PetscLogHandlerEventSync_Default(h, event, PetscObjectComm(o1)));
    569:   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
    570:   if (def->pause_depth > 0) stage = 0; // in pause-mode, all events run on the main stage
    571:   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) {
    572:     PetscCall(PetscLogGetStageEventPerfInfo_threaded(def, stage, event, &event_perf_info));
    573:     if (event_perf_info->depth == 0) PetscCall(PetscEventPerfInfoInit(event_perf_info));
    574:   } else {
    575:     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
    576:   }
    577:   PetscCheck(event_perf_info->depth >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Trying to begin a paused event, this is not allowed");
    578:   event_perf_info->depth++;
    579:   /* Check for double counting */
    580:   if (event_perf_info->depth > 1) PetscFunctionReturn(PETSC_SUCCESS);
    581:   PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
    582:   /* Log the performance info */
    583:   event_perf_info->count++;
    584:   PetscCall(PetscTime(&time));
    585:   PetscCall(PetscEventPerfInfoTic(event_perf_info, time, PetscLogMemory, event));
    586:   if (def->petsc_logActions) {
    587:     PetscLogDouble curTime;
    588:     Action         new_action;

    590:     PetscCall(PetscTime(&curTime));
    591:     new_action.time    = curTime - petsc_BaseTime;
    592:     new_action.action  = PETSC_LOG_ACTION_BEGIN;
    593:     new_action.event   = event;
    594:     new_action.classid = event_info.classid;
    595:     new_action.id1     = o1 ? o1->id : -1;
    596:     new_action.id2     = o2 ? o2->id : -1;
    597:     new_action.id3     = o3 ? o3->id : -1;
    598:     new_action.flops   = petsc_TotalFlops;
    599:     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
    600:     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
    601:     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
    602:   }
    603:   PetscFunctionReturn(PETSC_SUCCESS);
    604: }

    606: static PetscErrorCode PetscLogHandlerEventEnd_Default(PetscLogHandler h, PetscLogEvent event, PetscObject o1, PetscObject o2, PetscObject o3, PetscObject o4)
    607: {
    608:   PetscLogHandler_Default def             = (PetscLogHandler_Default)h->data;
    609:   PetscEventPerfInfo     *event_perf_info = NULL;
    610:   PetscLogDouble          time;
    611:   PetscLogState           state;
    612:   int                     stage;
    613:   PetscLogEventInfo       event_info;

    615:   PetscFunctionBegin;
    616:   PetscCall(PetscLogHandlerGetState(h, &state));
    617:   if (PetscDefined(USE_DEBUG)) {
    618:     PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
    623:     if (event_info.collective && o1) {
    624:       PetscInt64 b1[2], b2[2];

    626:       b1[0] = -o1->cidx;
    627:       b1[1] = o1->cidx;
    628:       PetscCallMPI(MPIU_Allreduce(b1, b2, 2, MPIU_INT64, MPI_MAX, PetscObjectComm(o1)));
    629:       PetscCheck(-b2[0] == b2[1], PETSC_COMM_SELF, PETSC_ERR_PLIB, "Collective event %s not called collectively %" PetscInt64_FMT " != %" PetscInt64_FMT, event_info.name, -b2[0], b2[1]);
    630:     }
    631:   }
    632:   if (def->petsc_logActions) {
    633:     PetscLogDouble curTime;
    634:     Action         new_action;

    636:     PetscCall(PetscLogStateEventGetInfo(state, event, &event_info));
    637:     PetscCall(PetscTime(&curTime));
    638:     new_action.time    = curTime - petsc_BaseTime;
    639:     new_action.action  = PETSC_LOG_ACTION_END;
    640:     new_action.event   = event;
    641:     new_action.classid = event_info.classid;
    642:     new_action.id1     = o1 ? o1->id : -1;
    643:     new_action.id2     = o2 ? o2->id : -2;
    644:     new_action.id3     = o3 ? o3->id : -3;
    645:     new_action.flops   = petsc_TotalFlops;
    646:     PetscCall(PetscMallocGetCurrentUsage(&new_action.mem));
    647:     PetscCall(PetscMallocGetMaximumUsage(&new_action.maxmem));
    648:     PetscCall(PetscLogActionArrayPush(def->petsc_actions, new_action));
    649:   }
    650:   PetscCall(PetscLogStateGetCurrentStage(state, &stage));
    651:   if (def->pause_depth > 0) stage = 0; // all events run on the main stage in pause-mode
    652:   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) {
    653:     PetscCall(PetscLogGetStageEventPerfInfo_threaded(def, stage, event, &event_perf_info));
    654:   } else {
    655:     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
    656:   }
    657:   PetscCheck(event_perf_info->depth > 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Trying to end paused event, not allowed");
    658:   event_perf_info->depth--;
    659:   /* Check for double counting */
    660:   if (event_perf_info->depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
    661:   else PetscCheck(event_perf_info->depth == 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Logging event had unbalanced begin/end pairs");

    663:   /* Log performance info */
    664:   PetscCall(PetscTime(&time));
    665:   PetscCall(PetscEventPerfInfoToc(event_perf_info, time, PetscLogMemory, event));
    666:   if (PetscDefined(HAVE_THREADSAFETY) || def->use_threadsafe) {
    667:     PetscEventPerfInfo *event_perf_info_global;
    668:     PetscCall(PetscSpinlockLock(&def->lock));
    669:     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info_global));
    670:     PetscCall(PetscEventPerfInfoAdd_Internal(event_perf_info, event_perf_info_global));
    671:     PetscCall(PetscSpinlockUnlock(&def->lock));
    672:   }
    673:   PetscFunctionReturn(PETSC_SUCCESS);
    674: }

    676: static PetscErrorCode PetscLogHandlerEventDeactivatePush_Default(PetscLogHandler h, PetscLogStage stage, PetscLogEvent event)
    677: {
    678:   PetscEventPerfInfo *event_perf_info;

    680:   PetscFunctionBegin;
    681:   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
    682:   PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
    683:   event_perf_info->depth++;
    684:   PetscFunctionReturn(PETSC_SUCCESS);
    685: }

    687: static PetscErrorCode PetscLogHandlerEventDeactivatePop_Default(PetscLogHandler h, PetscLogStage stage, PetscLogEvent event)
    688: {
    689:   PetscEventPerfInfo *event_perf_info;

    691:   PetscFunctionBegin;
    692:   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
    693:   PetscCall(PetscLogHandlerGetEventPerfInfo_Default(h, stage, event, &event_perf_info));
    694:   event_perf_info->depth--;
    695:   PetscFunctionReturn(PETSC_SUCCESS);
    696: }

    698: static PetscErrorCode PetscLogHandlerEventsPause_Default(PetscLogHandler h)
    699: {
    700:   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
    701:   PetscLogDouble          time;
    702:   PetscInt                num_stages;

    704:   PetscFunctionBegin;
    705:   if (def->pause_depth++ > 0) PetscFunctionReturn(PETSC_SUCCESS);
    706:   PetscCall(PetscLogStageInfoArrayGetSize(def->stages, &num_stages, NULL));
    707:   PetscCall(PetscTime(&time));
    708:   /* Pause stages in reverse of the order they were pushed */
    709:   for (PetscInt stage = num_stages - 1; stage >= 0; stage--) {
    710:     PetscStagePerf *stage_info = NULL;
    711:     PetscInt        num_events;

    713:     PetscCall(PetscLogStageInfoArrayGetRef(def->stages, stage, &stage_info));
    714:     PetscCall(PetscLogEventPerfArrayGetSize(stage_info->eventLog, &num_events, NULL));
    715:     /* Pause events in reverse of the order they were pushed */
    716:     for (PetscInt event = num_events - 1; event >= 0; event--) {
    717:       PetscEventPerfInfo *event_info = NULL;
    718:       PetscCall(PetscLogEventPerfArrayGetRef(stage_info->eventLog, event, &event_info));
    719:       if (event_info->depth > 0) {
    720:         event_info->depth *= -1;
    721:         PetscCall(PetscEventPerfInfoPause(event_info, time, PetscLogMemory, event));
    722:       }
    723:     }
    724:     if (stage > 0 && stage_info->perfInfo.depth > 0) {
    725:       stage_info->perfInfo.depth *= -1;
    726:       PetscCall(PetscEventPerfInfoPause(&stage_info->perfInfo, time, PetscLogMemory, -(stage + 2)));
    727:     }
    728:   }
    729:   PetscFunctionReturn(PETSC_SUCCESS);
    730: }

    732: static PetscErrorCode PetscLogHandlerEventsResume_Default(PetscLogHandler h)
    733: {
    734:   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
    735:   PetscLogDouble          time;
    736:   PetscInt                num_stages;

    738:   PetscFunctionBegin;
    739:   if (--def->pause_depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
    740:   PetscCall(PetscLogStageInfoArrayGetSize(def->stages, &num_stages, NULL));
    741:   PetscCall(PetscTime(&time));
    742:   /* Unpause stages in the same order they were pushed */
    743:   for (PetscInt stage = 0; stage < num_stages; stage++) {
    744:     PetscStagePerf *stage_info = NULL;
    745:     PetscInt        num_events;

    747:     PetscCall(PetscLogStageInfoArrayGetRef(def->stages, stage, &stage_info));
    748:     PetscCall(PetscLogEventPerfArrayGetSize(stage_info->eventLog, &num_events, NULL));
    749:     /* Unpause events in the same order they were pushed */
    750:     for (PetscInt event = 0; event < num_events; event++) {
    751:       PetscEventPerfInfo *event_info = NULL;
    752:       PetscCall(PetscLogEventPerfArrayGetRef(stage_info->eventLog, event, &event_info));
    753:       if (event_info->depth < 0) {
    754:         event_info->depth *= -1;
    755:         PetscCall(PetscEventPerfInfoResume(event_info, time, PetscLogMemory, event));
    756:       }
    757:     }
    758:     if (stage > 0 && stage_info->perfInfo.depth < 0) {
    759:       stage_info->perfInfo.depth *= -1;
    760:       PetscCall(PetscEventPerfInfoResume(&stage_info->perfInfo, time, PetscLogMemory, -(stage + 2)));
    761:     }
    762:   }
    763:   PetscFunctionReturn(PETSC_SUCCESS);
    764: }

    766: static PetscErrorCode PetscLogHandlerStagePush_Default(PetscLogHandler h, PetscLogStage new_stage)
    767: {
    768:   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
    769:   PetscLogDouble          time;
    770:   PetscLogState           state;
    771:   PetscLogStage           current_stage;
    772:   PetscStagePerf         *new_stage_info;

    774:   PetscFunctionBegin;
    775:   if (def->pause_depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
    776:   PetscCall(PetscLogHandlerGetState(h, &state));
    777:   current_stage = state->current_stage;
    778:   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, new_stage, &new_stage_info));
    779:   PetscCall(PetscTime(&time));

    781:   /* Record flops/time of previous stage */
    782:   if (current_stage >= 0) {
    783:     if (PetscBTLookup(state->active, current_stage)) {
    784:       PetscStagePerf *current_stage_info;
    785:       PetscCall(PetscLogHandlerDefaultGetStageInfo(h, current_stage, &current_stage_info));
    786:       PetscCall(PetscEventPerfInfoToc(&current_stage_info->perfInfo, time, PetscLogMemory, -(current_stage + 2)));
    787:     }
    788:   }
    789:   new_stage_info->used = PETSC_TRUE;
    790:   new_stage_info->perfInfo.count++;
    791:   new_stage_info->perfInfo.depth++;
    792:   /* Subtract current quantities so that we obtain the difference when we pop */
    793:   if (PetscBTLookup(state->active, new_stage)) PetscCall(PetscEventPerfInfoTic(&new_stage_info->perfInfo, time, PetscLogMemory, -(new_stage + 2)));
    794:   PetscFunctionReturn(PETSC_SUCCESS);
    795: }

    797: static PetscErrorCode PetscLogHandlerStagePop_Default(PetscLogHandler h, PetscLogStage old_stage)
    798: {
    799:   PetscLogHandler_Default def = (PetscLogHandler_Default)h->data;
    800:   PetscLogStage           current_stage;
    801:   PetscStagePerf         *old_stage_info;
    802:   PetscLogState           state;
    803:   PetscLogDouble          time;

    805:   PetscFunctionBegin;
    806:   if (def->pause_depth > 0) PetscFunctionReturn(PETSC_SUCCESS);
    807:   PetscCall(PetscLogHandlerGetState(h, &state));
    808:   current_stage = state->current_stage;
    809:   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, old_stage, &old_stage_info));
    810:   PetscCall(PetscTime(&time));
    811:   old_stage_info->perfInfo.depth--;
    812:   if (PetscBTLookup(state->active, old_stage)) PetscCall(PetscEventPerfInfoToc(&old_stage_info->perfInfo, time, PetscLogMemory, -(old_stage + 2)));
    813:   if (current_stage >= 0) {
    814:     if (PetscBTLookup(state->active, current_stage)) {
    815:       PetscStagePerf *current_stage_info;
    816:       PetscCall(PetscLogHandlerDefaultGetStageInfo(h, current_stage, &current_stage_info));
    817:       PetscCall(PetscEventPerfInfoTic(&current_stage_info->perfInfo, time, PetscLogMemory, -(current_stage + 2)));
    818:     }
    819:   }
    820:   PetscFunctionReturn(PETSC_SUCCESS);
    821: }

    823: static PetscErrorCode PetscLogHandlerStageSetVisible_Default(PetscLogHandler h, PetscLogStage stage, PetscBool is_visible)
    824: {
    825:   PetscStagePerf *stage_info;

    827:   PetscFunctionBegin;
    828:   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
    829:   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, stage, &stage_info));
    830:   stage_info->perfInfo.visible = is_visible;
    831:   PetscFunctionReturn(PETSC_SUCCESS);
    832: }

    834: static PetscErrorCode PetscLogHandlerStageGetVisible_Default(PetscLogHandler h, PetscLogStage stage, PetscBool *is_visible)
    835: {
    836:   PetscStagePerf *stage_info;

    838:   PetscFunctionBegin;
    839:   if (stage < 0) PetscCall(PetscLogStateGetCurrentStage(h->state, &stage));
    840:   PetscCall(PetscLogHandlerDefaultGetStageInfo(h, stage, &stage_info));
    841:   *is_visible = stage_info->perfInfo.visible;
    842:   PetscFunctionReturn(PETSC_SUCCESS);
    843: }

    845: static PetscErrorCode PetscLogHandlerSetLogActions_Default(PetscLogHandler handler, PetscBool flag)
    846: {
    847:   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;

    849:   PetscFunctionBegin;
    850:   def->petsc_logActions = flag;
    851:   PetscFunctionReturn(PETSC_SUCCESS);
    852: }

    854: static PetscErrorCode PetscLogHandlerSetLogObjects_Default(PetscLogHandler handler, PetscBool flag)
    855: {
    856:   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;

    858:   PetscFunctionBegin;
    859:   def->petsc_logObjects = flag;
    860:   PetscFunctionReturn(PETSC_SUCCESS);
    861: }

    863: static PetscErrorCode PetscLogHandlerLogObjectState_Default(PetscLogHandler handler, PetscObject obj, const char format[], va_list Argp)
    864: {
    865:   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
    866:   size_t                  fullLength;

    868:   PetscFunctionBegin;
    869:   if (def->petsc_logObjects) {
    870:     Object  *obj_entry = NULL;
    871:     PetscInt objid;

    873:     PetscCall(PetscIntCast(obj->id - 1, &objid));
    874:     PetscCall(PetscLogObjectArrayGetRef(def->petsc_objects, objid, &obj_entry));
    875:     PetscCall(PetscVSNPrintf(obj_entry->info, 64, format, &fullLength, Argp));
    876:   }
    877:   PetscFunctionReturn(PETSC_SUCCESS);
    878: }

    880: static PetscErrorCode PetscLogHandlerGetNumObjects_Default(PetscLogHandler handler, PetscInt *num_objects)
    881: {
    882:   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;

    884:   PetscFunctionBegin;
    885:   PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, num_objects, NULL));
    886:   PetscFunctionReturn(PETSC_SUCCESS);
    887: }

    889: static PetscErrorCode PetscLogHandlerDump_Default(PetscLogHandler handler, const char sname[])
    890: {
    891:   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
    892:   FILE                   *fd;
    893:   char                    file[PETSC_MAX_PATH_LEN], fname[PETSC_MAX_PATH_LEN];
    894:   PetscLogDouble          flops, _TotalTime;
    895:   PetscMPIInt             rank;
    896:   int                     curStage;
    897:   PetscLogState           state;
    898:   PetscInt                num_events;
    899:   PetscLogEvent           event;

    901:   PetscFunctionBegin;
    902:   /* Calculate the total elapsed time */
    903:   PetscCall(PetscTime(&_TotalTime));
    904:   _TotalTime -= petsc_BaseTime;
    905:   /* Open log file */
    906:   PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)handler), &rank));
    907:   PetscCall(PetscSNPrintf(file, PETSC_STATIC_ARRAY_LENGTH(file), "%s.%d", sname && sname[0] ? sname : "Log", rank));
    908:   PetscCall(PetscFixFilename(file, fname));
    909:   PetscCall(PetscFOpen(PETSC_COMM_SELF, fname, "w", &fd));
    910:   PetscCheck(!(rank == 0) || !(!fd), PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "Cannot open file: %s", fname);
    911:   /* Output totals */
    912:   PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Total Flop %14e %16.8e\n", petsc_TotalFlops, _TotalTime));
    913:   PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Clock Resolution %g\n", 0.0));
    914:   /* Output actions */
    915:   if (def->petsc_logActions) {
    916:     PetscInt num_actions;
    917:     PetscCall(PetscLogActionArrayGetSize(def->petsc_actions, &num_actions, NULL));
    918:     PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Actions accomplished %" PetscInt_FMT "\n", num_actions));
    919:     for (int a = 0; a < num_actions; a++) {
    920:       Action *action;

    922:       PetscCall(PetscLogActionArrayGetRef(def->petsc_actions, a, &action));
    923:       PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "%g %d %d %d  %" PetscInt64_FMT " %" PetscInt64_FMT " %" PetscInt64_FMT " %g %g %g\n", action->time, action->action, action->event, action->classid, action->id1, action->id2, action->id3, action->flops,
    924:                              action->mem, action->maxmem));
    925:     }
    926:   }
    927:   /* Output objects */
    928:   if (def->petsc_logObjects) {
    929:     PetscInt num_objects;

    931:     PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, &num_objects, NULL));
    932:     PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Objects created %d destroyed %d\n", def->petsc_numObjectsCreated, def->petsc_numObjectsDestroyed));
    933:     for (int o = 0; o < num_objects; o++) {
    934:       Object *object = NULL;

    936:       PetscCall(PetscLogObjectArrayGetRef(def->petsc_objects, o, &object));
    937:       if (object->parent != -1) continue; // object with this id wasn't logged, probably a PetscLogHandler
    938:       PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Parent ID: %d Memory: %d\n", object->parent, (int)object->mem));
    939:       if (!object->name[0]) {
    940:         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "No Name\n"));
    941:       } else {
    942:         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Name: %s\n", object->name));
    943:       }
    944:       if (!object->info[0]) {
    945:         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "No Info\n"));
    946:       } else {
    947:         PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Info: %s\n", object->info));
    948:       }
    949:     }
    950:   }
    951:   /* Output events */
    952:   PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "Event log:\n"));
    953:   PetscCall(PetscLogHandlerGetState(handler, &state));
    954:   PetscCall(PetscLogStateGetNumEvents(state, &num_events));
    955:   PetscCall(PetscLogStateGetCurrentStage(state, &curStage));
    956:   for (event = 0; event < num_events; event++) {
    957:     PetscEventPerfInfo *event_info;

    959:     PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, curStage, event, &event_info));
    960:     if (event_info->time != 0.0) flops = event_info->flops / event_info->time;
    961:     else flops = 0.0;
    962:     PetscCall(PetscFPrintf(PETSC_COMM_SELF, fd, "%d %16d %16g %16g %16g\n", event, event_info->count, event_info->flops, event_info->time, flops));
    963:   }
    964:   PetscCall(PetscFClose(PETSC_COMM_SELF, fd));
    965:   PetscFunctionReturn(PETSC_SUCCESS);
    966: }

    968: /*
    969:   PetscLogView_Detailed - Each process prints the times for its own events

    971: */
    972: static PetscErrorCode PetscLogHandlerView_Default_Detailed(PetscLogHandler handler, PetscViewer viewer)
    973: {
    974:   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
    975:   PetscLogDouble          locTotalTime, numRed, maxMem;
    976:   PetscInt                numStages, numEvents;
    977:   MPI_Comm                comm = PetscObjectComm((PetscObject)viewer);
    978:   PetscMPIInt             rank, size;
    979:   PetscLogGlobalNames     global_stages, global_events;
    980:   PetscLogState           state;
    981:   PetscEventPerfInfo      zero_info;

    983:   PetscFunctionBegin;
    984:   PetscCall(PetscLogHandlerGetState(handler, &state));
    985:   PetscCallMPI(MPI_Comm_size(comm, &size));
    986:   PetscCallMPI(MPI_Comm_rank(comm, &rank));
    987:   /* Must preserve reduction count before we go on */
    988:   numRed = petsc_allreduce_ct + petsc_gather_ct + petsc_scatter_ct;
    989:   /* Get the total elapsed time */
    990:   PetscCall(PetscTime(&locTotalTime));
    991:   locTotalTime -= petsc_BaseTime;
    992:   PetscCall(PetscViewerASCIIPrintf(viewer, "size = %d\n", size));
    993:   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalTimes = {}\n"));
    994:   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalMessages = {}\n"));
    995:   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalMessageLens = {}\n"));
    996:   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalReductions = {}\n"));
    997:   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalFlop = {}\n"));
    998:   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalObjects = {}\n"));
    999:   PetscCall(PetscViewerASCIIPrintf(viewer, "LocalMemory = {}\n"));
    1000:   PetscCall(PetscLogRegistryCreateGlobalStageNames(comm, state->registry, &global_stages));
    1001:   PetscCall(PetscLogRegistryCreateGlobalEventNames(comm, state->registry, &global_events));
    1002:   PetscCall(PetscLogGlobalNamesGetSize(global_stages, NULL, &numStages));
    1003:   PetscCall(PetscLogGlobalNamesGetSize(global_events, NULL, &numEvents));
    1004:   PetscCall(PetscMemzero(&zero_info, sizeof(zero_info)));
    1005:   PetscCall(PetscViewerASCIIPrintf(viewer, "Stages = {}\n"));
    1006:   for (PetscInt stage = 0; stage < numStages; stage++) {
    1007:     PetscInt    stage_id;
    1008:     const char *stage_name;

    1010:     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
    1011:     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
    1012:     PetscCall(PetscViewerASCIIPrintf(viewer, "Stages[\"%s\"] = {}\n", stage_name));
    1013:     PetscCall(PetscViewerASCIIPrintf(viewer, "Stages[\"%s\"][\"summary\"] = {}\n", stage_name));
    1014:     for (PetscInt event = 0; event < numEvents; event++) {
    1015:       PetscEventPerfInfo *eventInfo = &zero_info;
    1016:       PetscBool           is_zero   = PETSC_FALSE;
    1017:       PetscInt            event_id;
    1018:       const char         *event_name;

    1020:       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
    1021:       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
    1022:       if (event_id >= 0 && stage_id >= 0) PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &eventInfo));
    1023:       is_zero = eventInfo->count == 0 ? PETSC_TRUE : PETSC_FALSE;
    1024:       PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPI_C_BOOL, MPI_LAND, comm));
    1025:       if (!is_zero) PetscCall(PetscViewerASCIIPrintf(viewer, "Stages[\"%s\"][\"%s\"] = {}\n", stage_name, event_name));
    1026:     }
    1027:   }
    1028:   PetscCall(PetscMallocGetMaximumUsage(&maxMem));
    1029:   PetscCall(PetscViewerASCIIPushSynchronized(viewer));
    1030:   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalTimes[%d] = %g\n", rank, locTotalTime));
    1031:   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalMessages[%d] = %g\n", rank, petsc_irecv_ct + petsc_isend_ct + petsc_recv_ct + petsc_send_ct));
    1032:   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalMessageLens[%d] = %g\n", rank, petsc_irecv_len + petsc_isend_len + petsc_recv_len + petsc_send_len));
    1033:   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalReductions[%d] = %g\n", rank, numRed));
    1034:   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalFlop[%d] = %g\n", rank, petsc_TotalFlops));
    1035:   {
    1036:     PetscInt num_objects;

    1038:     PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, &num_objects, NULL));
    1039:     PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalObjects[%d] = %" PetscInt_FMT "\n", rank, num_objects));
    1040:   }
    1041:   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "LocalMemory[%d] = %g\n", rank, maxMem));
    1042:   PetscCall(PetscViewerFlush(viewer));
    1043:   for (PetscInt stage = 0; stage < numStages; stage++) {
    1044:     PetscEventPerfInfo *stage_perf_info = &zero_info;
    1045:     PetscInt            stage_id;
    1046:     const char         *stage_name;

    1048:     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
    1049:     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
    1050:     if (stage_id >= 0) {
    1051:       PetscStagePerf *stage_info;
    1052:       PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage_id, &stage_info));
    1053:       stage_perf_info = &stage_info->perfInfo;
    1054:     }
    1055:     PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Stages[\"%s\"][\"summary\"][%d] = {\"time\" : %g, \"numMessages\" : %g, \"messageLength\" : %g, \"numReductions\" : %g, \"flop\" : %g}\n", stage_name, rank, stage_perf_info->time,
    1056:                                                  stage_perf_info->numMessages, stage_perf_info->messageLength, stage_perf_info->numReductions, stage_perf_info->flops));
    1057:     for (PetscInt event = 0; event < numEvents; event++) {
    1058:       PetscEventPerfInfo *eventInfo = &zero_info;
    1059:       PetscBool           is_zero   = PETSC_FALSE;
    1060:       PetscInt            event_id;
    1061:       const char         *event_name;

    1063:       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
    1064:       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
    1065:       if (event_id >= 0 && stage_id >= 0) PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &eventInfo));
    1066:       is_zero = eventInfo->count == 0 ? PETSC_TRUE : PETSC_FALSE;
    1067:       PetscCall(PetscArraycmp(eventInfo, &zero_info, 1, &is_zero));
    1068:       PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPI_C_BOOL, MPI_LAND, comm));
    1069:       if (!is_zero) {
    1070:         PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Stages[\"%s\"][\"%s\"][%d] = {\"count\" : %d, \"time\" : %g, \"syncTime\" : %g, \"numMessages\" : %g, \"messageLength\" : %g, \"numReductions\" : %g, \"flop\" : %g", stage_name, event_name, rank,
    1071:                                                      eventInfo->count, eventInfo->time, eventInfo->syncTime, eventInfo->numMessages, eventInfo->messageLength, eventInfo->numReductions, eventInfo->flops));
    1072:         if (eventInfo->dof[0] >= 0.) {
    1073:           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", \"dof\" : ["));
    1074:           for (PetscInt d = 0; d < 8; ++d) {
    1075:             if (d > 0) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", "));
    1076:             PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%g", eventInfo->dof[d]));
    1077:           }
    1078:           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "]"));
    1079:           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", \"error\" : ["));
    1080:           for (PetscInt e = 0; e < 8; ++e) {
    1081:             if (e > 0) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ", "));
    1082:             PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%g", eventInfo->errors[e]));
    1083:           }
    1084:           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "]"));
    1085:         }
    1086:       }
    1087:       PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "}\n"));
    1088:     }
    1089:   }
    1090:   PetscCall(PetscViewerFlush(viewer));
    1091:   PetscCall(PetscViewerASCIIPopSynchronized(viewer));
    1092:   PetscCall(PetscLogGlobalNamesDestroy(&global_events));
    1093:   PetscCall(PetscLogGlobalNamesDestroy(&global_stages));
    1094:   PetscFunctionReturn(PETSC_SUCCESS);
    1095: }

    1097: /*
    1098:   PetscLogView_CSV - Each process prints the times for its own events in Comma-Separated Value Format
    1099: */
    1100: static PetscErrorCode PetscLogHandlerView_Default_CSV(PetscLogHandler handler, PetscViewer viewer)
    1101: {
    1102:   PetscLogDouble      locTotalTime, maxMem;
    1103:   PetscInt            numStages, numEvents, stage, event;
    1104:   MPI_Comm            comm = PetscObjectComm((PetscObject)viewer);
    1105:   PetscMPIInt         rank, size;
    1106:   PetscLogGlobalNames global_stages, global_events;
    1107:   PetscLogState       state;
    1108:   PetscEventPerfInfo  zero_info;

    1110:   PetscFunctionBegin;
    1111:   PetscCall(PetscLogHandlerGetState(handler, &state));
    1112:   PetscCallMPI(MPI_Comm_size(comm, &size));
    1113:   PetscCallMPI(MPI_Comm_rank(comm, &rank));
    1114:   /* Must preserve reduction count before we go on */
    1115:   /* Get the total elapsed time */
    1116:   PetscCall(PetscTime(&locTotalTime));
    1117:   locTotalTime -= petsc_BaseTime;
    1118:   PetscCall(PetscMallocGetMaximumUsage(&maxMem));
    1119:   PetscCall(PetscLogRegistryCreateGlobalStageNames(comm, state->registry, &global_stages));
    1120:   PetscCall(PetscLogRegistryCreateGlobalEventNames(comm, state->registry, &global_events));
    1121:   PetscCall(PetscLogGlobalNamesGetSize(global_stages, NULL, &numStages));
    1122:   PetscCall(PetscLogGlobalNamesGetSize(global_events, NULL, &numEvents));
    1123:   PetscCall(PetscMemzero(&zero_info, sizeof(zero_info)));
    1124:   PetscCall(PetscViewerASCIIPushSynchronized(viewer));
    1125:   PetscCall(PetscViewerASCIIPrintf(viewer, "Stage Name,Event Name,Rank,Count,Time,Num Messages,Message Length,Num Reductions,FLOP,dof0,dof1,dof2,dof3,dof4,dof5,dof6,dof7,e0,e1,e2,e3,e4,e5,e6,e7,%d\n", size));
    1126:   PetscCall(PetscViewerFlush(viewer));
    1127:   for (stage = 0; stage < numStages; stage++) {
    1128:     PetscEventPerfInfo *stage_perf_info;
    1129:     PetscInt            stage_id;
    1130:     const char         *stage_name;

    1132:     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
    1133:     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
    1134:     stage_perf_info = &zero_info;
    1135:     if (stage_id >= 0) {
    1136:       PetscStagePerf *stage_info;
    1137:       PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage_id, &stage_info));
    1138:       stage_perf_info = &stage_info->perfInfo;
    1139:     }
    1140:     PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%s,summary,%d,1,%g,%g,%g,%g,%g\n", stage_name, rank, stage_perf_info->time, stage_perf_info->numMessages, stage_perf_info->messageLength, stage_perf_info->numReductions, stage_perf_info->flops));
    1141:     for (event = 0; event < numEvents; event++) {
    1142:       PetscEventPerfInfo *eventInfo = &zero_info;
    1143:       PetscBool           is_zero   = PETSC_FALSE;
    1144:       PetscInt            event_id;
    1145:       const char         *event_name;

    1147:       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
    1148:       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
    1149:       if (event_id >= 0 && stage_id >= 0) PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &eventInfo));
    1150:       PetscCall(PetscArraycmp(eventInfo, &zero_info, 1, &is_zero));
    1151:       PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPI_C_BOOL, MPI_LAND, comm));
    1152:       if (!is_zero) {
    1153:         PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "%s,%s,%d,%d,%g,%g,%g,%g,%g", stage_name, event_name, rank, eventInfo->count, eventInfo->time, eventInfo->numMessages, eventInfo->messageLength, eventInfo->numReductions, eventInfo->flops));
    1154:         if (eventInfo->dof[0] >= 0.) {
    1155:           for (PetscInt d = 0; d < 8; ++d) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ",%g", eventInfo->dof[d]));
    1156:           for (PetscInt e = 0; e < 8; ++e) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, ",%g", eventInfo->errors[e]));
    1157:         }
    1158:       }
    1159:       PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "\n"));
    1160:     }
    1161:   }
    1162:   PetscCall(PetscViewerFlush(viewer));
    1163:   PetscCall(PetscViewerASCIIPopSynchronized(viewer));
    1164:   PetscCall(PetscLogGlobalNamesDestroy(&global_stages));
    1165:   PetscCall(PetscLogGlobalNamesDestroy(&global_events));
    1166:   PetscFunctionReturn(PETSC_SUCCESS);
    1167: }

    1169: static PetscErrorCode PetscLogViewWarnSync(PetscViewer viewer)
    1170: {
    1171:   PetscFunctionBegin;
    1172:   if (!PetscLogSyncOn) PetscFunctionReturn(PETSC_SUCCESS);
    1173:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n\n"));
    1174:   PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n"));
    1175:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1176:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                       WARNING!!!                       #\n"));
    1177:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1178:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   This program was run with logging synchronization.   #\n"));
    1179:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   This option provides more meaningful imbalance       #\n"));
    1180:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   figures at the expense of slowing things down and    #\n"));
    1181:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   providing a distorted view of the overall runtime.   #\n"));
    1182:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1183:   PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n\n\n"));
    1184:   PetscFunctionReturn(PETSC_SUCCESS);
    1185: }

    1187: static PetscErrorCode PetscLogViewWarnDebugging(PetscViewer viewer)
    1188: {
    1189:   PetscFunctionBegin;
    1190:   if (PetscDefined(USE_DEBUG)) {
    1191:     PetscCall(PetscViewerASCIIPrintf(viewer, "\n\n"));
    1192:     PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n"));
    1193:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1194:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #                       WARNING!!!                       #\n"));
    1195:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1196:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #   This code was compiled with a debugging option.      #\n"));
    1197:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #   To get timing results run ./configure                #\n"));
    1198:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #   using --with-debugging=no, the performance will      #\n"));
    1199:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #   be generally two or three times faster.              #\n"));
    1200:     PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1201:     PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n\n\n"));
    1202:   }
    1203:   PetscFunctionReturn(PETSC_SUCCESS);
    1204: }

    1206: static PetscErrorCode PetscLogViewWarnNoGpuAwareMpi(PetscViewer viewer)
    1207: {
    1208: #if defined(PETSC_HAVE_DEVICE)
    1209:   PetscMPIInt size;
    1210:   PetscBool   deviceInitialized = PETSC_FALSE;

    1212:   PetscFunctionBegin;
    1213:   PetscCallMPI(MPI_Comm_size(PetscObjectComm((PetscObject)viewer), &size));
    1214:   for (int i = PETSC_DEVICE_HOST + 1; i < PETSC_DEVICE_MAX; ++i) {
    1215:     const PetscDeviceType dtype = PetscDeviceTypeCast(i);
    1216:     if (PetscDeviceInitialized(dtype)) { /* a non-host device was initialized */
    1217:       deviceInitialized = PETSC_TRUE;
    1218:       break;
    1219:     }
    1220:   }
    1221:   /* the last condition says PETSc is configured with device but it is a pure CPU run, so don't print misleading warnings */
    1222:   if (use_gpu_aware_mpi || size == 1 || !deviceInitialized) PetscFunctionReturn(PETSC_SUCCESS);
    1223:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n\n"));
    1224:   PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n"));
    1225:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1226:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                       WARNING!!!                       #\n"));
    1227:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1228:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   This code was compiled with GPU support and you've   #\n"));
    1229:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   created PETSc/GPU objects, but you intentionally     #\n"));
    1230:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   used -use_gpu_aware_mpi 0, requiring PETSc to copy   #\n"));
    1231:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   additional data between the GPU and CPU. To obtain   #\n"));
    1232:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   meaningful timing results on multi-rank runs, use    #\n"));
    1233:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   GPU-aware MPI instead.                               #\n"));
    1234:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1235:   PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n\n\n"));
    1236:   PetscFunctionReturn(PETSC_SUCCESS);
    1237: #else
    1238:   return PETSC_SUCCESS;
    1239: #endif
    1240: }

    1242: static PetscErrorCode PetscLogViewWarnGpuTime(PetscViewer viewer)
    1243: {
    1244: #if defined(PETSC_HAVE_DEVICE) && !defined(PETSC_HAVE_KOKKOS_WITHOUT_GPU)

    1246:   PetscFunctionBegin;
    1247:   if (!PetscLogGpuTimeFlag || petsc_gflops == 0) PetscFunctionReturn(PETSC_SUCCESS);
    1248:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n\n"));
    1249:   PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n"));
    1250:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1251:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                       WARNING!!!                       #\n"));
    1252:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1253:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   This code was run with -log_view_gpu_time            #\n"));
    1254:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   This provides accurate timing within the GPU kernels #\n"));
    1255:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   but can slow down the entire computation by a        #\n"));
    1256:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   measurable amount. For fastest runs we recommend     #\n"));
    1257:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #   not using this option.                               #\n"));
    1258:   PetscCall(PetscViewerASCIIPrintf(viewer, "      #                                                        #\n"));
    1259:   PetscCall(PetscViewerASCIIPrintf(viewer, "      ##########################################################\n\n\n"));
    1260:   PetscFunctionReturn(PETSC_SUCCESS);
    1261: #else
    1262:   return PETSC_SUCCESS;
    1263: #endif
    1264: }

    1266: PETSC_INTERN int    PetscGlobalArgc;
    1267: PETSC_INTERN char **PetscGlobalArgs;

    1269: static PetscErrorCode PetscLogHandlerView_Default_Info(PetscLogHandler handler, PetscViewer viewer)
    1270: {
    1271:   PetscLogHandler_Default def = (PetscLogHandler_Default)handler->data;
    1272:   char                    arch[128], hostname[128], username[128], pname[PETSC_MAX_PATH_LEN], date[128];
    1273:   PetscLogDouble          locTotalTime, TotalTime, TotalFlops;
    1274:   PetscLogDouble          numMessages, messageLength, avgMessLen, numReductions;
    1275:   PetscLogDouble          stageTime, flops, flopr, mem, mess, messLen, red;
    1276:   PetscLogDouble          fracTime, fracFlops, fracMessages, fracLength, fracReductions, fracMess, fracMessLen, fracRed;
    1277:   PetscLogDouble          fracStageTime, fracStageFlops, fracStageMess, fracStageMessLen, fracStageRed;
    1278:   PetscLogDouble          min, max, tot, ratio, avg, x, y;
    1279:   PetscLogDouble          minf, maxf, totf, ratf, mint, maxt, tott, ratt, ratC, totm, totml, totr, mal, malmax, emalmax;
    1280: #if defined(PETSC_HAVE_DEVICE)
    1281:   PetscLogEvent  KSP_Solve, SNES_Solve, TS_Step, TAO_Solve; /* These need to be fixed to be some events registered with certain objects */
    1282:   PetscLogDouble cct, gct, csz, gsz, gmaxt, gflops, gflopr, fracgflops, gjoules, geff;
    1283: #endif
    1284:   PetscMPIInt   minC, maxC;
    1285:   PetscMPIInt   size, rank;
    1286:   PetscBool    *localStageUsed, *stageUsed;
    1287:   PetscBool    *localStageVisible, *stageVisible;
    1288:   PetscInt      numStages, numEvents;
    1289:   int           stage, oclass;
    1290:   PetscLogEvent event;
    1291:   char          version[256];
    1292:   MPI_Comm      comm;
    1293: #if defined(PETSC_HAVE_DEVICE) && !defined(PETSC_HAVE_KOKKOS_WITHOUT_GPU)
    1294:   PetscInt64 nas = 0x7FF0000000000002;
    1295: #endif
    1296:   PetscLogGlobalNames global_stages, global_events;
    1297:   PetscEventPerfInfo  zero_info;
    1298:   PetscLogState       state;

    1300:   PetscFunctionBegin;
    1301:   PetscCall(PetscLogHandlerGetState(handler, &state));
    1302:   PetscCall(PetscFPTrapPush(PETSC_FP_TRAP_OFF));
    1303:   PetscCall(PetscObjectGetComm((PetscObject)viewer, &comm));
    1304:   PetscCallMPI(MPI_Comm_size(comm, &size));
    1305:   PetscCallMPI(MPI_Comm_rank(comm, &rank));
    1306:   /* Get the total elapsed time */
    1307:   PetscCall(PetscTime(&locTotalTime));
    1308:   locTotalTime -= petsc_BaseTime;

    1310:   PetscCall(PetscViewerASCIIPrintf(viewer, "****************************************************************************************************************************************************************\n"));
    1311:   PetscCall(PetscViewerASCIIPrintf(viewer, "***                                WIDEN YOUR WINDOW TO 160 CHARACTERS.  Use 'enscript -r -fCourier9' to print this document                                 ***\n"));
    1312:   PetscCall(PetscViewerASCIIPrintf(viewer, "****************************************************************************************************************************************************************\n"));
    1313:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n------------------------------------------------------------------ PETSc Performance Summary: ------------------------------------------------------------------\n\n"));
    1314:   PetscCall(PetscLogViewWarnSync(viewer));
    1315:   PetscCall(PetscLogViewWarnDebugging(viewer));
    1316:   PetscCall(PetscLogViewWarnNoGpuAwareMpi(viewer));
    1317:   PetscCall(PetscLogViewWarnGpuTime(viewer));
    1318:   PetscCall(PetscGetArchType(arch, sizeof(arch)));
    1319:   PetscCall(PetscGetHostName(hostname, sizeof(hostname)));
    1320:   PetscCall(PetscGetUserName(username, sizeof(username)));
    1321:   PetscCall(PetscGetProgramName(pname, sizeof(pname)));
    1322:   PetscCall(PetscGetDate(date, sizeof(date)));
    1323:   PetscCall(PetscGetVersion(version, sizeof(version)));

    1325: #if defined(PETSC_HAVE_CUPM)
    1326:   const char *cupm = PetscDefined(HAVE_CUDA) ? "CUDA" : "HIP";
    1327:   if (PetscDeviceCUPMRuntimeArch)
    1328:     PetscCall(PetscViewerASCIIPrintf(viewer, "%s on a %s named %s with %d process%s and %s architecture %d, by %s on %s\n", pname, arch, hostname, size, size > 1 ? "es" : "", cupm, PetscDeviceCUPMRuntimeArch, username, date));
    1329:   else
    1330: #endif
    1331:     PetscCall(PetscViewerASCIIPrintf(viewer, "%s on a %s named %s with %d process%s, by %s on %s\n", pname, arch, hostname, size, size > 1 ? "es" : "", username, date));

    1333: #if defined(PETSC_HAVE_OPENMP)
    1334:   PetscCall(PetscViewerASCIIPrintf(viewer, "Using %" PetscInt_FMT " OpenMP threads\n", PetscNumOMPThreads));
    1335: #endif
    1336:   PetscCall(PetscViewerASCIIPrintf(viewer, "Using %s\n", version));

    1338:   /* Must preserve reduction count before we go on */
    1339:   red = petsc_allreduce_ct + petsc_gather_ct + petsc_scatter_ct;

    1341:   /* Calculate summary information */
    1342:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n                         Max       Max/Min     Avg       Total\n"));
    1343:   /*   Time */
    1344:   PetscCallMPI(MPIU_Allreduce(&locTotalTime, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1345:   PetscCallMPI(MPIU_Allreduce(&locTotalTime, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1346:   PetscCallMPI(MPIU_Allreduce(&locTotalTime, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1347:   avg = tot / ((PetscLogDouble)size);
    1348:   if (min != 0.0) ratio = max / min;
    1349:   else ratio = 0.0;
    1350:   PetscCall(PetscViewerASCIIPrintf(viewer, "Time (sec):           %5.3e   %7.3f   %5.3e\n", max, ratio, avg));
    1351:   TotalTime = tot;
    1352:   /*   Objects */
    1353:   {
    1354:     PetscInt num_objects;

    1356:     PetscCall(PetscLogObjectArrayGetSize(def->petsc_objects, &num_objects, NULL));
    1357:     avg = (PetscLogDouble)num_objects;
    1358:   }
    1359:   PetscCallMPI(MPIU_Allreduce(&avg, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1360:   PetscCallMPI(MPIU_Allreduce(&avg, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1361:   PetscCallMPI(MPIU_Allreduce(&avg, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1362:   avg = tot / ((PetscLogDouble)size);
    1363:   if (min != 0.0) ratio = max / min;
    1364:   else ratio = 0.0;
    1365:   PetscCall(PetscViewerASCIIPrintf(viewer, "Objects:              %5.3e   %7.3f   %5.3e\n", max, ratio, avg));
    1366:   /*   Flops */
    1367:   PetscCallMPI(MPIU_Allreduce(&petsc_TotalFlops, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1368:   PetscCallMPI(MPIU_Allreduce(&petsc_TotalFlops, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1369:   PetscCallMPI(MPIU_Allreduce(&petsc_TotalFlops, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1370:   avg = tot / ((PetscLogDouble)size);
    1371:   if (min != 0.0) ratio = max / min;
    1372:   else ratio = 0.0;
    1373:   PetscCall(PetscViewerASCIIPrintf(viewer, "Flops:                %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
    1374:   TotalFlops = tot;
    1375:   /*   Flops/sec -- Must talk to Barry here */
    1376:   if (locTotalTime != 0.0) flops = petsc_TotalFlops / locTotalTime;
    1377:   else flops = 0.0;
    1378:   PetscCallMPI(MPIU_Allreduce(&flops, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1379:   PetscCallMPI(MPIU_Allreduce(&flops, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1380:   PetscCallMPI(MPIU_Allreduce(&flops, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1381:   avg = tot / ((PetscLogDouble)size);
    1382:   if (min != 0.0) ratio = max / min;
    1383:   else ratio = 0.0;
    1384:   PetscCall(PetscViewerASCIIPrintf(viewer, "Flops/sec:            %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
    1385:   /*   Memory */
    1386:   PetscCall(PetscMallocGetMaximumUsage(&mem));
    1387:   if (mem > 0.0) {
    1388:     PetscCallMPI(MPIU_Allreduce(&mem, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1389:     PetscCallMPI(MPIU_Allreduce(&mem, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1390:     PetscCallMPI(MPIU_Allreduce(&mem, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1391:     avg = tot / ((PetscLogDouble)size);
    1392:     if (min != 0.0) ratio = max / min;
    1393:     else ratio = 0.0;
    1394:     PetscCall(PetscViewerASCIIPrintf(viewer, "Memory (bytes):       %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
    1395:   }
    1396:   /*   Messages */
    1397:   mess = 0.5 * (petsc_irecv_ct + petsc_isend_ct + petsc_recv_ct + petsc_send_ct);
    1398:   PetscCallMPI(MPIU_Allreduce(&mess, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1399:   PetscCallMPI(MPIU_Allreduce(&mess, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1400:   PetscCallMPI(MPIU_Allreduce(&mess, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1401:   avg = tot / ((PetscLogDouble)size);
    1402:   if (min != 0.0) ratio = max / min;
    1403:   else ratio = 0.0;
    1404:   PetscCall(PetscViewerASCIIPrintf(viewer, "MPI Msg Count:        %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
    1405:   numMessages = tot;
    1406:   /*   Message Lengths */
    1407:   mess = 0.5 * (petsc_irecv_len + petsc_isend_len + petsc_recv_len + petsc_send_len);
    1408:   PetscCallMPI(MPIU_Allreduce(&mess, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1409:   PetscCallMPI(MPIU_Allreduce(&mess, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1410:   PetscCallMPI(MPIU_Allreduce(&mess, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1411:   if (numMessages != 0) avg = tot / numMessages;
    1412:   else avg = 0.0;
    1413:   if (min != 0.0) ratio = max / min;
    1414:   else ratio = 0.0;
    1415:   PetscCall(PetscViewerASCIIPrintf(viewer, "MPI Msg Len (bytes):  %5.3e   %7.3f   %5.3e  %5.3e\n", max, ratio, avg, tot));
    1416:   messageLength = tot;
    1417:   /*   Reductions */
    1418:   PetscCallMPI(MPIU_Allreduce(&red, &min, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1419:   PetscCallMPI(MPIU_Allreduce(&red, &max, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1420:   PetscCallMPI(MPIU_Allreduce(&red, &tot, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1421:   if (min != 0.0) ratio = max / min;
    1422:   else ratio = 0.0;
    1423:   PetscCall(PetscViewerASCIIPrintf(viewer, "MPI Reductions:       %5.3e   %7.3f\n", max, ratio));
    1424:   numReductions = red; /* wrong because uses count from process zero */
    1425:   PetscCall(PetscViewerASCIIPrintf(viewer, "\nFlop counting convention: 1 flop = 1 real number operation of type (multiply/divide/add/subtract)\n"));
    1426:   PetscCall(PetscViewerASCIIPrintf(viewer, "                            e.g., VecAXPY() for real vectors of length N --> 2N flops\n"));
    1427:   PetscCall(PetscViewerASCIIPrintf(viewer, "                            and VecAXPY() for complex vectors of length N --> 8N flops\n"));

    1429:   PetscCall(PetscLogRegistryCreateGlobalStageNames(comm, state->registry, &global_stages));
    1430:   PetscCall(PetscLogRegistryCreateGlobalEventNames(comm, state->registry, &global_events));
    1431:   PetscCall(PetscLogGlobalNamesGetSize(global_stages, NULL, &numStages));
    1432:   PetscCall(PetscLogGlobalNamesGetSize(global_events, NULL, &numEvents));
    1433:   PetscCall(PetscMemzero(&zero_info, sizeof(zero_info)));
    1434:   PetscCall(PetscMalloc1(numStages, &localStageUsed));
    1435:   PetscCall(PetscMalloc1(numStages, &stageUsed));
    1436:   PetscCall(PetscMalloc1(numStages, &localStageVisible));
    1437:   PetscCall(PetscMalloc1(numStages, &stageVisible));
    1438:   if (numStages > 0) {
    1439:     for (stage = 0; stage < numStages; stage++) {
    1440:       PetscInt stage_id;

    1442:       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
    1443:       if (stage_id >= 0) {
    1444:         PetscStagePerf *stage_info;

    1446:         PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_info));
    1447:         localStageUsed[stage]    = stage_info->used;
    1448:         localStageVisible[stage] = stage_info->perfInfo.visible;
    1449:       } else {
    1450:         localStageUsed[stage]    = PETSC_FALSE;
    1451:         localStageVisible[stage] = PETSC_TRUE;
    1452:       }
    1453:     }
    1454:     PetscCallMPI(MPIU_Allreduce(localStageUsed, stageUsed, numStages, MPI_C_BOOL, MPI_LOR, comm));
    1455:     PetscCallMPI(MPIU_Allreduce(localStageVisible, stageVisible, numStages, MPI_C_BOOL, MPI_LAND, comm));
    1456:     for (stage = 0; stage < numStages; stage++) {
    1457:       if (stageUsed[stage] && stageVisible[stage]) {
    1458:         PetscCall(PetscViewerASCIIPrintf(viewer, "\nSummary of Stages:   ----- Time ------  ----- Flop ------  --- Messages ---  -- Message Lengths --  -- Reductions --\n"));
    1459:         PetscCall(PetscViewerASCIIPrintf(viewer, "                        Avg     %%Total     Avg     %%Total    Count   %%Total     Avg         %%Total    Count   %%Total\n"));
    1460:         break;
    1461:       }
    1462:     }
    1463:     for (stage = 0; stage < numStages; stage++) {
    1464:       PetscInt            stage_id;
    1465:       PetscEventPerfInfo *stage_info;
    1466:       const char         *stage_name;

    1468:       if (!(stageUsed[stage] && stageVisible[stage])) continue;
    1469:       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
    1470:       PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
    1471:       stage_info = &zero_info;
    1472:       if (localStageUsed[stage]) {
    1473:         PetscStagePerf *stage_perf_info;

    1475:         PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage, &stage_perf_info));
    1476:         stage_info = &stage_perf_info->perfInfo;
    1477:       }
    1478:       PetscCallMPI(MPIU_Allreduce(&stage_info->time, &stageTime, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1479:       PetscCallMPI(MPIU_Allreduce(&stage_info->flops, &flops, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1480:       PetscCallMPI(MPIU_Allreduce(&stage_info->numMessages, &mess, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1481:       PetscCallMPI(MPIU_Allreduce(&stage_info->messageLength, &messLen, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1482:       PetscCallMPI(MPIU_Allreduce(&stage_info->numReductions, &red, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1483:       mess *= 0.5;
    1484:       messLen *= 0.5;
    1485:       red /= size;
    1486:       if (TotalTime != 0.0) fracTime = stageTime / TotalTime;
    1487:       else fracTime = 0.0;
    1488:       if (TotalFlops != 0.0) fracFlops = flops / TotalFlops;
    1489:       else fracFlops = 0.0;
    1490:       /* Talk to Barry if (stageTime     != 0.0) flops          = (size*flops)/stageTime; else flops          = 0.0; */
    1491:       if (numMessages != 0.0) fracMessages = mess / numMessages;
    1492:       else fracMessages = 0.0;
    1493:       if (mess != 0.0) avgMessLen = messLen / mess;
    1494:       else avgMessLen = 0.0;
    1495:       if (messageLength != 0.0) fracLength = messLen / messageLength;
    1496:       else fracLength = 0.0;
    1497:       if (numReductions != 0.0) fracReductions = red / numReductions;
    1498:       else fracReductions = 0.0;
    1499:       PetscCall(PetscViewerASCIIPrintf(viewer, "%2d: %15s: %6.4e %5.1f%%  %6.4e %5.1f%%  %5.3e %5.1f%%  %5.3e      %5.1f%%  %5.3e %5.1f%%\n", stage, stage_name, stageTime / size, 100.0 * fracTime, flops, 100.0 * fracFlops, mess, 100.0 * fracMessages, avgMessLen, 100.0 * fracLength, red, 100.0 * fracReductions));
    1500:     }
    1501:   }

    1503:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n------------------------------------------------------------------------------------------------------------------------\n"));
    1504:   PetscCall(PetscViewerASCIIPrintf(viewer, "See the 'Profiling' chapter of the users' manual for details on interpreting output.\n"));
    1505:   PetscCall(PetscViewerASCIIPrintf(viewer, "Phase summary info:\n"));
    1506:   PetscCall(PetscViewerASCIIPrintf(viewer, "   Count: number of times phase was executed\n"));
    1507:   PetscCall(PetscViewerASCIIPrintf(viewer, "   Time and Flop: Max - maximum over all processes\n"));
    1508:   PetscCall(PetscViewerASCIIPrintf(viewer, "                  Ratio - ratio of maximum to minimum over all processes\n"));
    1509:   PetscCall(PetscViewerASCIIPrintf(viewer, "   Mess: number of messages sent\n"));
    1510:   PetscCall(PetscViewerASCIIPrintf(viewer, "   AvgLen: average message length (bytes)\n"));
    1511:   PetscCall(PetscViewerASCIIPrintf(viewer, "   Reduct: number of global reductions\n"));
    1512:   PetscCall(PetscViewerASCIIPrintf(viewer, "   Global: entire computation\n"));
    1513:   PetscCall(PetscViewerASCIIPrintf(viewer, "   Stage: stages of a computation. Set stages with PetscLogStagePush() and PetscLogStagePop().\n"));
    1514:   PetscCall(PetscViewerASCIIPrintf(viewer, "      %%T - percent time in this phase         %%F - percent flop in this phase\n"));
    1515:   PetscCall(PetscViewerASCIIPrintf(viewer, "      %%M - percent messages in this phase     %%L - percent message lengths in this phase\n"));
    1516:   PetscCall(PetscViewerASCIIPrintf(viewer, "      %%R - percent reductions in this phase\n"));
    1517:   PetscCall(PetscViewerASCIIPrintf(viewer, "   Total Mflop/s: 1e-6 * (sum of flop over all processes)/(max time over all processes)\n"));
    1518:   if (PetscLogMemory) {
    1519:     PetscCall(PetscViewerASCIIPrintf(viewer, "   Memory usage is summed over all MPI processes, it is given in mega-bytes\n"));
    1520:     PetscCall(PetscViewerASCIIPrintf(viewer, "   Malloc Mbytes: Memory allocated and kept during event (sum over all calls to event). May be negative\n"));
    1521:     PetscCall(PetscViewerASCIIPrintf(viewer, "   EMalloc Mbytes: extra memory allocated during event and then freed (maximum over all calls to events). Never negative\n"));
    1522:     PetscCall(PetscViewerASCIIPrintf(viewer, "   MMalloc Mbytes: Increase in high water mark of allocated memory (sum over all calls to event). Never negative\n"));
    1523:     PetscCall(PetscViewerASCIIPrintf(viewer, "   RMI Mbytes: Increase in resident memory (sum over all calls to event)\n"));
    1524:   }
    1525: #if defined(PETSC_HAVE_DEVICE)
    1526:   PetscCall(PetscViewerASCIIPrintf(viewer, "   GPU Mflop/s: 1e-6 * (sum of flop on GPU over all processes)/(max GPU time over all processes)\n"));
    1527:   PetscCall(PetscViewerASCIIPrintf(viewer, "   CpuToGpu Count: total number of CPU to GPU copies per processor\n"));
    1528:   PetscCall(PetscViewerASCIIPrintf(viewer, "   CpuToGpu Size (Mbytes): 1e-6 * (total size of CPU to GPU copies per processor)\n"));
    1529:   PetscCall(PetscViewerASCIIPrintf(viewer, "   GpuToCpu Count: total number of GPU to CPU copies per processor\n"));
    1530:   PetscCall(PetscViewerASCIIPrintf(viewer, "   GpuToCpu Size (Mbytes): 1e-6 * (total size of GPU to CPU copies per processor)\n"));
    1531:   PetscCall(PetscViewerASCIIPrintf(viewer, "   GPU %%F: percent flops on GPU in this event\n"));
    1532: #endif
    1533:   PetscCall(PetscViewerASCIIPrintf(viewer, "------------------------------------------------------------------------------------------------------------------------\n"));

    1535:   PetscCall(PetscLogViewWarnDebugging(viewer));

    1537:   /* Report events */
    1538:   PetscCall(PetscViewerASCIIPrintf(viewer, "Event                Count      Time (sec)     Flop                              --- Global ---  --- Stage ----  Total"));
    1539:   if (PetscLogMemory) PetscCall(PetscViewerASCIIPrintf(viewer, "  Malloc EMalloc MMalloc RMI"));
    1540: #if defined(PETSC_HAVE_DEVICE)
    1541:   PetscCall(PetscViewerASCIIPrintf(viewer, "   GPU    - CpuToGpu -   - GpuToCpu - GPU"));
    1542:   if (PetscLogGpuEnergyFlag || PetscLogGpuEnergyMeterFlag) PetscCall(PetscViewerASCIIPrintf(viewer, "    GPU      GPU"));
    1543: #endif
    1544:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));
    1545:   PetscCall(PetscViewerASCIIPrintf(viewer, "                   Max Ratio  Max     Ratio   Max  Ratio  Mess   AvgLen  Reduct  %%T %%F %%M %%L %%R  %%T %%F %%M %%L %%R Mflop/s"));
    1546:   if (PetscLogMemory) PetscCall(PetscViewerASCIIPrintf(viewer, " Mbytes Mbytes Mbytes Mbytes"));
    1547: #if defined(PETSC_HAVE_DEVICE)
    1548:   PetscCall(PetscViewerASCIIPrintf(viewer, " Mflop/s Count   Size   Count   Size  %%F"));
    1549:   if (PetscLogGpuEnergyFlag || PetscLogGpuEnergyMeterFlag) PetscCall(PetscViewerASCIIPrintf(viewer, "   Joule   Mflop/J"));
    1550: #endif
    1551:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));
    1552:   PetscCall(PetscViewerASCIIPrintf(viewer, "------------------------------------------------------------------------------------------------------------------------"));
    1553:   if (PetscLogMemory) PetscCall(PetscViewerASCIIPrintf(viewer, "-----------------------------"));
    1554: #if defined(PETSC_HAVE_DEVICE)
    1555:   PetscCall(PetscViewerASCIIPrintf(viewer, "---------------------------------------"));
    1556:   if (PetscLogGpuEnergyFlag || PetscLogGpuEnergyMeterFlag) PetscCall(PetscViewerASCIIPrintf(viewer, "-------------------"));
    1557: #endif
    1558:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));

    1560: #if defined(PETSC_HAVE_DEVICE)
    1561:   /* this indirect way of accessing these values is needed when PETSc is build with multiple libraries since the symbols are not in libpetscsys */
    1562:   PetscCall(PetscLogStateGetEventFromName(state, "TaoSolve", &TAO_Solve));
    1563:   PetscCall(PetscLogStateGetEventFromName(state, "TSStep", &TS_Step));
    1564:   PetscCall(PetscLogStateGetEventFromName(state, "SNESSolve", &SNES_Solve));
    1565:   PetscCall(PetscLogStateGetEventFromName(state, "KSPSolve", &KSP_Solve));
    1566: #endif

    1568:   for (stage = 0; stage < numStages; stage++) {
    1569:     PetscInt            stage_id;
    1570:     PetscEventPerfInfo *stage_info;
    1571:     const char         *stage_name;

    1573:     if (!(stageVisible[stage] && stageUsed[stage])) continue;
    1574:     PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_stages, stage, &stage_id));
    1575:     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
    1576:     PetscCall(PetscViewerASCIIPrintf(viewer, "\n--- Event Stage %d: %s\n\n", stage, stage_name));
    1577:     stage_info = &zero_info;
    1578:     if (localStageUsed[stage]) {
    1579:       PetscStagePerf *stage_perf_info;

    1581:       PetscCall(PetscLogHandlerDefaultGetStageInfo(handler, stage_id, &stage_perf_info));
    1582:       stage_info = &stage_perf_info->perfInfo;
    1583:     }
    1584:     PetscCallMPI(MPIU_Allreduce(&stage_info->time, &stageTime, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1585:     PetscCallMPI(MPIU_Allreduce(&stage_info->flops, &flops, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1586:     PetscCallMPI(MPIU_Allreduce(&stage_info->numMessages, &mess, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1587:     PetscCallMPI(MPIU_Allreduce(&stage_info->messageLength, &messLen, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1588:     PetscCallMPI(MPIU_Allreduce(&stage_info->numReductions, &red, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1589:     mess *= 0.5;
    1590:     messLen *= 0.5;
    1591:     red /= size;

    1593:     for (event = 0; event < numEvents; event++) {
    1594:       PetscInt            event_id;
    1595:       PetscEventPerfInfo *event_info = &zero_info;
    1596:       PetscBool           is_zero    = PETSC_FALSE;
    1597:       const char         *event_name;

    1599:       PetscCall(PetscLogGlobalNamesGlobalGetLocal(global_events, event, &event_id));
    1600:       PetscCall(PetscLogGlobalNamesGlobalGetName(global_events, event, &event_name));
    1601:       if (event_id >= 0 && stage_id >= 0) PetscCall(PetscLogHandlerGetEventPerfInfo_Default(handler, stage_id, event_id, &event_info));
    1602:       PetscCall(PetscArraycmp(event_info, &zero_info, 1, &is_zero));
    1603:       PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &is_zero, 1, MPI_C_BOOL, MPI_LAND, comm));
    1604:       if (!is_zero) {
    1605:         flopr = event_info->flops;
    1606:         PetscCallMPI(MPIU_Allreduce(&flopr, &minf, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1607:         PetscCallMPI(MPIU_Allreduce(&flopr, &maxf, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1608:         PetscCallMPI(MPIU_Allreduce(&event_info->flops, &totf, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1609:         PetscCallMPI(MPIU_Allreduce(&event_info->time, &mint, 1, MPIU_PETSCLOGDOUBLE, MPI_MIN, comm));
    1610:         PetscCallMPI(MPIU_Allreduce(&event_info->time, &maxt, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1611:         PetscCallMPI(MPIU_Allreduce(&event_info->time, &tott, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1612:         PetscCallMPI(MPIU_Allreduce(&event_info->numMessages, &totm, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1613:         PetscCallMPI(MPIU_Allreduce(&event_info->messageLength, &totml, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1614:         PetscCallMPI(MPIU_Allreduce(&event_info->numReductions, &totr, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1615:         PetscCallMPI(MPIU_Allreduce(&event_info->count, &minC, 1, MPI_INT, MPI_MIN, comm));
    1616:         PetscCallMPI(MPIU_Allreduce(&event_info->count, &maxC, 1, MPI_INT, MPI_MAX, comm));
    1617:         if (PetscLogMemory) {
    1618:           PetscCallMPI(MPIU_Allreduce(&event_info->memIncrease, &mem, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1619:           PetscCallMPI(MPIU_Allreduce(&event_info->mallocSpace, &mal, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1620:           PetscCallMPI(MPIU_Allreduce(&event_info->mallocIncrease, &malmax, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1621:           PetscCallMPI(MPIU_Allreduce(&event_info->mallocIncreaseEvent, &emalmax, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1622:         }
    1623: #if defined(PETSC_HAVE_DEVICE)
    1624:         PetscCallMPI(MPIU_Allreduce(&event_info->CpuToGpuCount, &cct, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1625:         PetscCallMPI(MPIU_Allreduce(&event_info->GpuToCpuCount, &gct, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1626:         PetscCallMPI(MPIU_Allreduce(&event_info->CpuToGpuSize, &csz, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1627:         PetscCallMPI(MPIU_Allreduce(&event_info->GpuToCpuSize, &gsz, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1628:         PetscCallMPI(MPIU_Allreduce(&event_info->GpuFlops, &gflops, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1629:         PetscCallMPI(MPIU_Allreduce(&event_info->GpuTime, &gmaxt, 1, MPIU_PETSCLOGDOUBLE, MPI_MAX, comm));
    1630:         if (PetscLogGpuEnergyFlag || PetscLogGpuEnergyMeterFlag) PetscCallMPI(MPIU_Allreduce(&event_info->GpuEnergy, &gjoules, 1, MPIU_PETSCLOGDOUBLE, MPI_SUM, comm));
    1631: #endif
    1632:         if (mint < 0.0) {
    1633:           PetscCall(PetscViewerASCIIPrintf(viewer, "WARNING!!! Minimum time %g over all processes for %s is negative! This happens\n on some machines whose times cannot handle too rapid calls.!\n artificially changing minimum to zero.\n", mint, event_name));
    1634:           mint = 0;
    1635:         }
    1636:         PetscCheck(minf >= 0.0, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Minimum flop %g over all processes for %s is negative! Not possible!", minf, event_name);
    1637: #if defined(PETSC_HAVE_DEVICE) && !defined(PETSC_HAVE_KOKKOS_WITHOUT_GPU)
    1638:         /* Put NaN into the time for all events that may not be time accurately since they may happen asynchronously on the GPU */
    1639:         if (!PetscLogGpuTimeFlag && petsc_gflops > 0) {
    1640:           memcpy(&gmaxt, &nas, sizeof(PetscLogDouble));
    1641:           if (event_id != SNES_Solve && event_id != KSP_Solve && event_id != TS_Step && event_id != TAO_Solve) {
    1642:             memcpy(&mint, &nas, sizeof(PetscLogDouble));
    1643:             memcpy(&maxt, &nas, sizeof(PetscLogDouble));
    1644:           }
    1645:         }
    1646: #endif
    1647:         totm *= 0.5;
    1648:         totml *= 0.5;
    1649:         totr /= size;

    1651:         if (maxC != 0) {
    1652:           if (minC != 0) ratC = ((PetscLogDouble)maxC) / minC;
    1653:           else ratC = 0.0;
    1654:           if (mint != 0.0) ratt = maxt / mint;
    1655:           else ratt = 0.0;
    1656:           if (minf != 0.0) ratf = maxf / minf;
    1657:           else ratf = 0.0;
    1658:           if (TotalTime != 0.0) fracTime = tott / TotalTime;
    1659:           else fracTime = 0.0;
    1660:           if (TotalFlops != 0.0) fracFlops = totf / TotalFlops;
    1661:           else fracFlops = 0.0;
    1662:           if (stageTime != 0.0) fracStageTime = tott / stageTime;
    1663:           else fracStageTime = 0.0;
    1664:           if (flops != 0.0) fracStageFlops = totf / flops;
    1665:           else fracStageFlops = 0.0;
    1666:           if (numMessages != 0.0) fracMess = totm / numMessages;
    1667:           else fracMess = 0.0;
    1668:           if (messageLength != 0.0) fracMessLen = totml / messageLength;
    1669:           else fracMessLen = 0.0;
    1670:           if (numReductions != 0.0) fracRed = totr / numReductions;
    1671:           else fracRed = 0.0;
    1672:           if (mess != 0.0) fracStageMess = totm / mess;
    1673:           else fracStageMess = 0.0;
    1674:           if (messLen != 0.0) fracStageMessLen = totml / messLen;
    1675:           else fracStageMessLen = 0.0;
    1676:           if (red != 0.0) fracStageRed = totr / red;
    1677:           else fracStageRed = 0.0;
    1678:           if (totm != 0.0) totml /= totm;
    1679:           else totml = 0.0;
    1680:           if (maxt != 0.0) flopr = totf / maxt;
    1681:           else flopr = 0.0;
    1682:           if (fracStageTime > 1.0 || fracStageFlops > 1.0 || fracStageMess > 1.0 || fracStageMessLen > 1.0 || fracStageRed > 1.0) {
    1683:             if (PetscIsNanReal(maxt))
    1684:               PetscCall(PetscViewerASCIIPrintf(viewer, "%-16s %7d %3.1f  n/a     n/a   %3.2e %3.1f %2.1e %2.1e %2.1e %2.0f %2.0f %2.0f %2.0f %2.0f Multiple stages n/a", event_name, maxC, ratC, maxf, ratf, totm, totml, totr, 100.0 * fracTime, 100.0 * fracFlops, 100.0 * fracMess, 100.0 * fracMessLen, 100.0 * fracRed));
    1685:             else
    1686:               PetscCall(PetscViewerASCIIPrintf(viewer, "%-16s %7d %3.1f %5.4e %3.1f %3.2e %3.1f %2.1e %2.1e %2.1e %2.0f %2.0f %2.0f %2.0f %2.0f Multiple stages %5.0f", event_name, maxC, ratC, maxt, ratt, maxf, ratf, totm, totml, totr, 100.0 * fracTime, 100.0 * fracFlops, 100.0 * fracMess, 100.0 * fracMessLen, 100.0 * fracRed, PetscAbs(flopr) / 1.0e6));
    1687:           } else {
    1688:             if (PetscIsNanReal(maxt)) { // when maxt, ratt, flopr are NaN (i.e., run with GPUs but without -log_view_gpu_time), replace the confusing "nan" with "n/a"
    1689:               PetscCall(PetscViewerASCIIPrintf(viewer, "%-16s %7d %3.1f  n/a     n/a   %3.2e %3.1f %2.1e %2.1e %2.1e %2.0f %2.0f %2.0f %2.0f %2.0f %3.0f %2.0f %2.0f %2.0f %2.0f  n/a", event_name, maxC, ratC, maxf, ratf, totm, totml, totr, 100.0 * fracTime, 100.0 * fracFlops, 100.0 * fracMess, 100.0 * fracMessLen, 100.0 * fracRed, 100.0 * fracStageTime, 100.0 * fracStageFlops, 100.0 * fracStageMess, 100.0 * fracStageMessLen, 100.0 * fracStageRed));
    1690:             } else {
    1691:               PetscCall(PetscViewerASCIIPrintf(viewer, "%-16s %7d %3.1f %5.4e %3.1f %3.2e %3.1f %2.1e %2.1e %2.1e %2.0f %2.0f %2.0f %2.0f %2.0f %3.0f %2.0f %2.0f %2.0f %2.0f %5.0f", event_name, maxC, ratC, maxt, ratt, maxf, ratf, totm, totml, totr, 100.0 * fracTime, 100.0 * fracFlops, 100.0 * fracMess, 100.0 * fracMessLen, 100.0 * fracRed, 100.0 * fracStageTime, 100.0 * fracStageFlops, 100.0 * fracStageMess, 100.0 * fracStageMessLen, 100.0 * fracStageRed, PetscAbs(flopr) / 1.0e6));
    1692:             }
    1693:           }
    1694:           if (PetscLogMemory) PetscCall(PetscViewerASCIIPrintf(viewer, " %5.0f   %5.0f   %5.0f   %5.0f", mal / 1.0e6, emalmax / 1.0e6, malmax / 1.0e6, mem / 1.0e6));
    1695: #if defined(PETSC_HAVE_DEVICE)
    1696:           if (totf != 0.0) fracgflops = gflops / totf;
    1697:           else fracgflops = 0.0;
    1698:           if (gmaxt != 0.0) gflopr = gflops / gmaxt;
    1699:           else gflopr = 0.0;
    1700:           if (PetscIsNanReal(gflopr)) {
    1701:             PetscCall(PetscViewerASCIIPrintf(viewer, "    n/a    %4.0f %3.2e %4.0f %3.2e %2.0f", cct / size, csz / (1.0e6 * size), gct / size, gsz / (1.0e6 * size), 100.0 * fracgflops));
    1702:           } else {
    1703:             PetscCall(PetscViewerASCIIPrintf(viewer, "   %5.0f   %4.0f %3.2e %4.0f %3.2e %2.0f", PetscAbs(gflopr) / 1.0e6, cct / size, csz / (1.0e6 * size), gct / size, gsz / (1.0e6 * size), 100.0 * fracgflops));
    1704:           }
    1705:           if (PetscLogGpuEnergyFlag || PetscLogGpuEnergyMeterFlag) {
    1706:             if (gjoules != 0.0) geff = gflops / gjoules;
    1707:             else geff = 0.0;
    1708:             PetscCall(PetscViewerASCIIPrintf(viewer, "  %4.2e  %4.2e", gjoules, geff));
    1709:           }
    1710: #endif
    1711:           PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));
    1712:         }
    1713:       }
    1714:     }
    1715:   }

    1717:   /* Memory usage and object creation */
    1718:   PetscCall(PetscViewerASCIIPrintf(viewer, "------------------------------------------------------------------------------------------------------------------------"));
    1719:   if (PetscLogMemory) PetscCall(PetscViewerASCIIPrintf(viewer, "-----------------------------"));
    1720: #if defined(PETSC_HAVE_DEVICE)
    1721:   PetscCall(PetscViewerASCIIPrintf(viewer, "---------------------------------------"));
    1722:   if (PetscLogGpuEnergyFlag || PetscLogGpuEnergyMeterFlag) PetscCall(PetscViewerASCIIPrintf(viewer, "-------------------"));
    1723: #endif
    1724:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));
    1725:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));

    1727:   /* Right now, only stages on the first processor are reported here, meaning only objects associated with
    1728:      the global communicator, or MPI_COMM_SELF for proc 1. We really should report global stats and then
    1729:      stats for stages local to processor sets.
    1730:   */
    1731:   /* We should figure out the longest object name here (now 20 characters) */
    1732:   PetscCall(PetscViewerASCIIPrintf(viewer, "Object Type          Creations   Destructions. Reports information only for process 0.\n"));
    1733:   for (stage = 0; stage < numStages; stage++) {
    1734:     const char *stage_name;

    1736:     PetscCall(PetscLogGlobalNamesGlobalGetName(global_stages, stage, &stage_name));
    1737:     PetscCall(PetscViewerASCIIPrintf(viewer, "\n--- Event Stage %d: %s\n\n", stage, stage_name));
    1738:     if (localStageUsed[stage]) {
    1739:       PetscInt num_classes;

    1741:       PetscCall(PetscLogStateGetNumClasses(state, &num_classes));
    1742:       for (oclass = 0; oclass < num_classes; oclass++) {
    1743:         PetscClassPerf *class_perf_info;

    1745:         PetscCall(PetscLogHandlerDefaultGetClassPerf(handler, stage, oclass, &class_perf_info));
    1746:         if (class_perf_info->creations > 0 || class_perf_info->destructions > 0) {
    1747:           PetscLogClassInfo class_reg_info;
    1748:           PetscBool         flg = PETSC_FALSE;

    1750:           PetscCall(PetscLogStateClassGetInfo(state, oclass, &class_reg_info));
    1751:           if (stage == 0 && oclass == num_classes - 1) {
    1752:             if (PetscGlobalArgc == 0 && PetscGlobalArgs == NULL) {
    1753:               PetscCall(PetscStrcmp(class_reg_info.name, "Viewer", &flg));
    1754:               if (flg && class_perf_info->creations == PetscLogNumViewersCreated && class_perf_info->destructions == PetscLogNumViewersDestroyed) continue;
    1755:             }
    1756:           }
    1757:           PetscCall(PetscViewerASCIIPrintf(viewer, "%20s %5d          %5d\n", class_reg_info.name, class_perf_info->creations, class_perf_info->destructions));
    1758:         }
    1759:       }
    1760:     }
    1761:   }

    1763:   PetscCall(PetscFree(localStageUsed));
    1764:   PetscCall(PetscFree(stageUsed));
    1765:   PetscCall(PetscFree(localStageVisible));
    1766:   PetscCall(PetscFree(stageVisible));
    1767:   PetscCall(PetscLogGlobalNamesDestroy(&global_stages));
    1768:   PetscCall(PetscLogGlobalNamesDestroy(&global_events));

    1770:   /* Information unrelated to this particular run */
    1771:   PetscCall(PetscViewerASCIIPrintf(viewer, "========================================================================================================================\n"));
    1772:   PetscCall(PetscTime(&y));
    1773:   PetscCall(PetscTime(&x));
    1774:   PetscCall(PetscTime(&y));
    1775:   PetscCall(PetscTime(&y));
    1776:   PetscCall(PetscTime(&y));
    1777:   PetscCall(PetscTime(&y));
    1778:   PetscCall(PetscTime(&y));
    1779:   PetscCall(PetscTime(&y));
    1780:   PetscCall(PetscTime(&y));
    1781:   PetscCall(PetscTime(&y));
    1782:   PetscCall(PetscTime(&y));
    1783:   PetscCall(PetscTime(&y));
    1784:   PetscCall(PetscViewerASCIIPrintf(viewer, "Average time to get PetscTime(): %g\n", (y - x) / 10.0));
    1785:   /* MPI information */
    1786:   if (size > 1) {
    1787:     MPI_Status  status;
    1788:     PetscMPIInt tag;
    1789:     MPI_Comm    newcomm;

    1791:     PetscCallMPI(MPI_Barrier(comm));
    1792:     PetscCall(PetscTime(&x));
    1793:     PetscCallMPI(MPI_Barrier(comm));
    1794:     PetscCallMPI(MPI_Barrier(comm));
    1795:     PetscCallMPI(MPI_Barrier(comm));
    1796:     PetscCallMPI(MPI_Barrier(comm));
    1797:     PetscCallMPI(MPI_Barrier(comm));
    1798:     PetscCall(PetscTime(&y));
    1799:     PetscCall(PetscViewerASCIIPrintf(viewer, "Average time for MPI_Barrier(): %g\n", (y - x) / 5.0));
    1800:     PetscCall(PetscCommDuplicate(comm, &newcomm, &tag));
    1801:     PetscCallMPI(MPI_Barrier(comm));
    1802:     if (rank) {
    1803:       PetscCallMPI(MPI_Recv(NULL, 0, MPI_INT, rank - 1, tag, newcomm, &status));
    1804:       PetscCallMPI(MPI_Send(NULL, 0, MPI_INT, (rank + 1) % size, tag, newcomm));
    1805:     } else {
    1806:       PetscCall(PetscTime(&x));
    1807:       PetscCallMPI(MPI_Send(NULL, 0, MPI_INT, 1, tag, newcomm));
    1808:       PetscCallMPI(MPI_Recv(NULL, 0, MPI_INT, size - 1, tag, newcomm, &status));
    1809:       PetscCall(PetscTime(&y));
    1810:       PetscCall(PetscViewerASCIIPrintf(viewer, "Average time for zero size MPI_Send(): %g\n", (y - x) / size));
    1811:     }
    1812:     PetscCall(PetscCommDestroy(&newcomm));
    1813:   }
    1814:   PetscCall(PetscOptionsView(NULL, viewer));

    1816:   /* Machine and compile information */
    1817:   if (PetscDefined(USE_FORTRAN_KERNELS)) {
    1818:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled with FORTRAN kernels\n"));
    1819:   } else {
    1820:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled without FORTRAN kernels\n"));
    1821:   }
    1822:   if (PetscDefined(USE_64BIT_INDICES)) {
    1823:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled with 64-bit PetscInt\n"));
    1824:   } else if (PetscDefined(USE___FLOAT128)) {
    1825:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled with 32-bit PetscInt\n"));
    1826:   }
    1827:   if (PetscDefined(USE_REAL_SINGLE)) {
    1828:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled with single precision PetscScalar and PetscReal\n"));
    1829:   } else if (PetscDefined(USE___FLOAT128)) {
    1830:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled with 128 bit precision PetscScalar and PetscReal\n"));
    1831:   }
    1832:   if (PetscDefined(USE_REAL_MAT_SINGLE)) {
    1833:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled with single precision matrices\n"));
    1834:   } else {
    1835:     PetscCall(PetscViewerASCIIPrintf(viewer, "Compiled with full precision matrices (default)\n"));
    1836:   }
    1837:   PetscCall(PetscViewerASCIIPrintf(viewer, "sizeof(short) %d sizeof(int) %d sizeof(long) %d sizeof(void*) %d sizeof(PetscScalar) %d sizeof(PetscInt) %d\n", (int)sizeof(short), (int)sizeof(int), (int)sizeof(long), (int)sizeof(void *), (int)sizeof(PetscScalar), (int)sizeof(PetscInt)));

    1839:   PetscCall(PetscViewerASCIIPrintf(viewer, "Configure options: %s", petscconfigureoptions));
    1840:   PetscCall(PetscViewerASCIIPrintf(viewer, "%s", petscmachineinfo));
    1841:   PetscCall(PetscViewerASCIIPrintf(viewer, "%s", petsccompilerinfo));
    1842:   PetscCall(PetscViewerASCIIPrintf(viewer, "%s", petsccompilerflagsinfo));
    1843:   PetscCall(PetscViewerASCIIPrintf(viewer, "%s", petsclinkerinfo));

    1845:   /* Cleanup */
    1846:   PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));
    1847:   PetscCall(PetscLogViewWarnNoGpuAwareMpi(viewer));
    1848:   PetscCall(PetscLogViewWarnDebugging(viewer));
    1849:   PetscCall(PetscFPTrapPop());
    1850:   PetscFunctionReturn(PETSC_SUCCESS);
    1851: }
    1852: PETSC_PRAGMA_DIAGNOSTIC_IGNORED_END()

    1854: static PetscErrorCode PetscLogHandlerView_Default(PetscLogHandler handler, PetscViewer viewer)
    1855: {
    1856:   PetscViewerFormat format;

    1858:   PetscFunctionBegin;
    1859:   PetscCall(PetscViewerGetFormat(viewer, &format));
    1860:   if (format == PETSC_VIEWER_DEFAULT || format == PETSC_VIEWER_ASCII_INFO) {
    1861:     PetscCall(PetscLogHandlerView_Default_Info(handler, viewer));
    1862:   } else if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) {
    1863:     PetscCall(PetscLogHandlerView_Default_Detailed(handler, viewer));
    1864:   } else if (format == PETSC_VIEWER_ASCII_CSV) {
    1865:     PetscCall(PetscLogHandlerView_Default_CSV(handler, viewer));
    1866:   }
    1867:   PetscFunctionReturn(PETSC_SUCCESS);
    1868: }

    1870: /*MC
    1871:   PETSCLOGHANDLERDEFAULT - PETSCLOGHANDLERDEFAULT = "default" -  A `PetscLogHandler` that collects data for PETSc
    1872:   default profiling log viewers (`PetscLogView()` and `PetscLogDump()`).  A log handler of this type is
    1873:   created and started (`PetscLogHandlerStart()`) by `PetscLogDefaultBegin()`.

    1875:   Options Database Keys:
    1876: + -log_include_actions - include a growing list of actions (event beginnings and endings, object creations and destructions) in `PetscLogDump()` (`PetscLogActions()`).
    1877: - -log_include_objects - include a growing list of object creations and destructions in `PetscLogDump()` (`PetscLogObjects()`).

    1879:   Level: developer

    1881: .seealso: [](ch_profiling), `PetscLogHandler`
    1882: M*/

    1884: PETSC_INTERN PetscErrorCode PetscLogHandlerCreate_Default(PetscLogHandler handler)
    1885: {
    1886:   PetscFunctionBegin;
    1887:   PetscCall(PetscLogHandlerContextCreate_Default((PetscLogHandler_Default *)&handler->data));
    1888:   handler->ops->destroy       = PetscLogHandlerDestroy_Default;
    1889:   handler->ops->eventbegin    = PetscLogHandlerEventBegin_Default;
    1890:   handler->ops->eventend      = PetscLogHandlerEventEnd_Default;
    1891:   handler->ops->eventsync     = PetscLogHandlerEventSync_Default;
    1892:   handler->ops->objectcreate  = PetscLogHandlerObjectCreate_Default;
    1893:   handler->ops->objectdestroy = PetscLogHandlerObjectDestroy_Default;
    1894:   handler->ops->stagepush     = PetscLogHandlerStagePush_Default;
    1895:   handler->ops->stagepop      = PetscLogHandlerStagePop_Default;
    1896:   handler->ops->view          = PetscLogHandlerView_Default;
    1897:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerGetEventPerfInfo_C", PetscLogHandlerGetEventPerfInfo_Default));
    1898:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerGetStagePerfInfo_C", PetscLogHandlerGetStagePerfInfo_Default));
    1899:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerSetLogActions_C", PetscLogHandlerSetLogActions_Default));
    1900:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerSetLogObjects_C", PetscLogHandlerSetLogObjects_Default));
    1901:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerLogObjectState_C", PetscLogHandlerLogObjectState_Default));
    1902:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerGetNumObjects_C", PetscLogHandlerGetNumObjects_Default));
    1903:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventDeactivatePush_C", PetscLogHandlerEventDeactivatePush_Default));
    1904:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventDeactivatePop_C", PetscLogHandlerEventDeactivatePop_Default));
    1905:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventsPause_C", PetscLogHandlerEventsPause_Default));
    1906:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerEventsResume_C", PetscLogHandlerEventsResume_Default));
    1907:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerDump_C", PetscLogHandlerDump_Default));
    1908:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerStageSetVisible_C", PetscLogHandlerStageSetVisible_Default));
    1909:   PetscCall(PetscObjectComposeFunction((PetscObject)handler, "PetscLogHandlerStageGetVisible_C", PetscLogHandlerStageGetVisible_Default));
    1910:   PetscFunctionReturn(PETSC_SUCCESS);
    1911: }