Date: 2022-03-04T17:37:12+00:00

Actual source code: petsclog.h

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

      5: #if !defined(PETSCLOG_H)
      6: #define PETSCLOG_H
      7: #include <petscsys.h>
      8: #include <petsctime.h>

     10: /* General logging of information; different from event logging */
     11: PETSC_EXTERN PetscErrorCode PetscInfo_Private(const char[],PetscObject,const char[],...);
     12: #if defined(PETSC_USE_INFO)
     13: #define PetscInfo(A,S)                             PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S)
     14: #define PetscInfo1(A,S,a1)                         PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1)
     15: #define PetscInfo2(A,S,a1,a2)                      PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2)
     16: #define PetscInfo3(A,S,a1,a2,a3)                   PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2,a3)
     17: #define PetscInfo4(A,S,a1,a2,a3,a4)                PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2,a3,a4)
     18: #define PetscInfo5(A,S,a1,a2,a3,a4,a5)             PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2,a3,a4,a5)
     19: #define PetscInfo6(A,S,a1,a2,a3,a4,a5,a6)          PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2,a3,a4,a5,a6)
     20: #define PetscInfo7(A,S,a1,a2,a3,a4,a5,a6,a7)       PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2,a3,a4,a5,a6,a7)
     21: #define PetscInfo8(A,S,a1,a2,a3,a4,a5,a6,a7,a8)    PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2,a3,a4,a5,a6,a7,a8)
     22: #define PetscInfo9(A,S,a1,a2,a3,a4,a5,a6,a7,a8,a9) PetscInfo_Private(PETSC_FUNCTION_NAME,((PetscObject)A),S,a1,a2,a3,a4,a5,a6,a7,a8,a9)
     23: #else
     24: #define PetscInfo(A,S)                             0
     25: #define PetscInfo1(A,S,a1)                         0
     26: #define PetscInfo2(A,S,a1,a2)                      0
     27: #define PetscInfo3(A,S,a1,a2,a3)                   0
     28: #define PetscInfo4(A,S,a1,a2,a3,a4)                0
     29: #define PetscInfo5(A,S,a1,a2,a3,a4,a5)             0
     30: #define PetscInfo6(A,S,a1,a2,a3,a4,a5,a6)          0
     31: #define PetscInfo7(A,S,a1,a2,a3,a4,a5,a6,a7)       0
     32: #define PetscInfo8(A,S,a1,a2,a3,a4,a5,a6,a7,a8)    0
     33: #define PetscInfo9(A,S,a1,a2,a3,a4,a5,a6,a7,a8,a9) 0
     34: #endif

     36: /*E
     37:     PetscInfoCommFlag - Describes the method by which to filter PetscInfo() by communicator size

     39:     Used as an input for PetscInfoSetFilterCommSelf()

     41: $   PETSC_INFO_COMM_ALL - Default uninitialized value. PetscInfo() will not filter based on communicator size (i.e. will
     42: print for all communicators)
     43: $   PETSC_INFO_COMM_NO_SELF - PetscInfo() will NOT print for communicators with size = 1 (i.e. *_COMM_SELF)
     44: $   PETSC_INFO_COMM_ONLY_SELF - PetscInfo will ONLY print for communicators with size = 1

     46:     Level: intermediate

     48: .seealso: PetscInfo(), PetscInfoSetFromOptions(), PetscInfoSetFilterCommSelf()
     49: E*/
     50: typedef enum {
     51:   PETSC_INFO_COMM_ALL = -1,
     52:   PETSC_INFO_COMM_NO_SELF = 0,
     53:   PETSC_INFO_COMM_ONLY_SELF = 1
     54: } PetscInfoCommFlag;

     56: PETSC_EXTERN const char * const PetscInfoCommFlags[];
     57: PETSC_EXTERN PetscErrorCode PetscInfoDeactivateClass(PetscClassId);
     58: PETSC_EXTERN PetscErrorCode PetscInfoActivateClass(PetscClassId);
     59: PETSC_EXTERN PetscErrorCode PetscInfoEnabled(PetscClassId, PetscBool *);
     60: PETSC_EXTERN PetscErrorCode PetscInfoAllow(PetscBool);
     61: PETSC_EXTERN PetscErrorCode PetscInfoSetFile(const char[],const char[]);
     62: PETSC_EXTERN PetscErrorCode PetscInfoGetFile(char **,FILE **);
     63: PETSC_EXTERN PetscErrorCode PetscInfoSetClasses(PetscBool,PetscInt,const char *const *);
     64: PETSC_EXTERN PetscErrorCode PetscInfoGetClass(const char *, PetscBool *);
     65: PETSC_EXTERN PetscErrorCode PetscInfoGetInfo(PetscBool *,PetscBool *,PetscBool *,PetscBool *,PetscInfoCommFlag *);
     66: PETSC_EXTERN PetscErrorCode PetscInfoProcessClass(const char[],PetscInt,PetscClassId[]);
     67: PETSC_EXTERN PetscErrorCode PetscInfoSetFilterCommSelf(PetscInfoCommFlag);
     68: PETSC_EXTERN PetscErrorCode PetscInfoSetFromOptions(PetscOptions);
     69: PETSC_EXTERN PetscErrorCode PetscInfoDestroy(void);
     70: PETSC_EXTERN PetscBool      PetscLogPrintInfo;  /* if true, indicates PetscInfo() is turned on */

     72: /*MC
     73:     PetscLogEvent - id used to identify PETSc or user events which timed portions (blocks of executable)
     74:      code.

     76:     Level: intermediate

     78: .seealso: PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd(), PetscLogStage
     79: M*/
     80: typedef int PetscLogEvent;

     82: /*MC
     83:     PetscLogStage - id used to identify user stages (phases, sections) of runs - for logging

     85:     Level: intermediate

     87: .seealso: PetscLogStageRegister(), PetscLogStagePush(), PetscLogStagePop(), PetscLogEvent
     88: M*/
     89: typedef int PetscLogStage;

     91: #define PETSC_EVENT  1311311
     92: PETSC_EXTERN PetscLogEvent PETSC_LARGEST_EVENT;

     94: /* Global flop counter */
     95: PETSC_EXTERN PetscLogDouble petsc_TotalFlops;
     96: PETSC_EXTERN PetscLogDouble petsc_tmp_flops;

     98: /* We must make the following structures available to access the event
     99:      activation flags in the PetscLogEventBegin/End() macros. These are not part of the PETSc public
    100:      API and are not intended to be used by other parts of PETSc or by users.

    102:      The code that manipulates these structures is in src/sys/logging/utils.
    103: */
    104: typedef struct _n_PetscIntStack *PetscIntStack;

    106: /* -----------------------------------------------------------------------------------------------------*/
    107: /*
    108:     PetscClassRegInfo, PetscClassPerfInfo - Each class has two data structures associated with it. The first has
    109:        static information about it, the second collects statistics on how many objects of the class are created,
    110:        how much memory they use, etc.

    112:     PetscClassRegLog, PetscClassPerfLog - arrays of the PetscClassRegInfo and PetscClassPerfInfo for all classes.
    113: */
    114: typedef struct  {
    115:   char           *name;   /* The class name */
    116:   PetscClassId   classid; /* The integer identifying this class */
    117: } PetscClassRegInfo;

    119: typedef struct {
    120:   PetscClassId   id;           /* The integer identifying this class */
    121:   int            creations;    /* The number of objects of this class created */
    122:   int            destructions; /* The number of objects of this class destroyed */
    123:   PetscLogDouble mem;          /* The total memory allocated by objects of this class */
    124:   PetscLogDouble descMem;      /* The total memory allocated by descendents of these objects */
    125: } PetscClassPerfInfo;

    127: typedef struct _n_PetscClassRegLog *PetscClassRegLog;
    128: struct _n_PetscClassRegLog {
    129:   int               numClasses; /* The number of classes registered */
    130:   int               maxClasses; /* The maximum number of classes */
    131:   PetscClassRegInfo *classInfo; /* The structure for class information (classids are monotonicly increasing) */
    132: };

    134: typedef struct _n_PetscClassPerfLog *PetscClassPerfLog;
    135: struct _n_PetscClassPerfLog {
    136:   int                numClasses; /* The number of logging classes */
    137:   int                maxClasses; /* The maximum number of classes */
    138:   PetscClassPerfInfo *classInfo; /* The structure for class information (classids are monotonicly increasing) */
    139: };
    140: /* -----------------------------------------------------------------------------------------------------*/
    141: /*
    142:     PetscEventRegInfo, PetscEventPerfInfo - Each event has two data structures associated with it. The first has
    143:        static information about it, the second collects statistics on how many times the event is used, how
    144:        much time it takes, etc.

    146:     PetscEventRegLog, PetscEventPerfLog - an array of all PetscEventRegInfo and PetscEventPerfInfo for all events. There is one
    147:       of these for each stage.

    149: */
    150: typedef struct {
    151:   char         *name;         /* The name of this event */
    152:   PetscClassId classid;       /* The class the event is associated with */
    153:   PetscBool    collective;    /* Flag this event as collective */
    154: #if defined (PETSC_HAVE_MPE)
    155:   int          mpe_id_begin;  /* MPE IDs that define the event */
    156:   int          mpe_id_end;
    157: #endif
    158: } PetscEventRegInfo;

    160: typedef struct {
    161:   int            id;            /* The integer identifying this event */
    162:   PetscBool      active;        /* The flag to activate logging */
    163:   PetscBool      visible;       /* The flag to print info in summary */
    164:   int            depth;         /* The nesting depth of the event call */
    165:   int            count;         /* The number of times this event was executed */
    166:   PetscLogDouble flops, flops2, flopsTmp; /* The flops and flops^2 used in this event */
    167:   PetscLogDouble time, time2, timeTmp;    /* The time and time^2 taken for this event */
    168:   PetscLogDouble syncTime;                /* The synchronization barrier time */
    169:   PetscLogDouble dof[8];        /* The number of degrees of freedom associated with this event */
    170:   PetscLogDouble errors[8];     /* The errors (user-defined) associated with this event */
    171:   PetscLogDouble numMessages;   /* The number of messages in this event */
    172:   PetscLogDouble messageLength; /* The total message lengths in this event */
    173:   PetscLogDouble numReductions; /* The number of reductions in this event */
    174:   PetscLogDouble memIncrease;   /* How much the resident memory has increased in this event */
    175:   PetscLogDouble mallocIncrease;/* How much the maximum malloced space has increased in this event */
    176:   PetscLogDouble mallocSpace;   /* How much the space was malloced and kept during this event */
    177:   PetscLogDouble mallocIncreaseEvent;  /* Maximum of the high water mark with in event minus memory available at the end of the event */
    178:   #if defined(PETSC_HAVE_DEVICE)
    179:   PetscLogDouble CpuToGpuCount; /* The total number of CPU to GPU copies */
    180:   PetscLogDouble GpuToCpuCount; /* The total number of GPU to CPU copies */
    181:   PetscLogDouble CpuToGpuSize;  /* The total size of CPU to GPU copies */
    182:   PetscLogDouble GpuToCpuSize;  /* The total size of GPU to CPU copies */
    183:   PetscLogDouble GpuFlops;      /* The flops done on a GPU in this event */
    184:   PetscLogDouble GpuTime;       /* The time spent on a GPU in this event */
    185:   #endif
    186: } PetscEventPerfInfo;

    188: typedef struct _n_PetscEventRegLog *PetscEventRegLog;
    189: struct _n_PetscEventRegLog {
    190:   int               numEvents;  /* The number of registered events */
    191:   int               maxEvents;  /* The maximum number of events */
    192:   PetscEventRegInfo *eventInfo; /* The registration information for each event */
    193: };

    195: typedef struct _n_PetscEventPerfLog *PetscEventPerfLog;
    196: struct _n_PetscEventPerfLog {
    197:   int                numEvents;  /* The number of logging events */
    198:   int                maxEvents;  /* The maximum number of events */
    199:   PetscEventPerfInfo *eventInfo; /* The performance information for each event */
    200: };
    201: /* ------------------------------------------------------------------------------------------------------------*/
    202: /*
    203:    PetscStageInfo - Contains all the information about a particular stage.

    205:    PetscStageLog - An array of PetscStageInfo for each registered stage. There is a single one of these in the code.
    206: */
    207: typedef struct _PetscStageInfo {
    208:   char               *name;     /* The stage name */
    209:   PetscBool          used;      /* The stage was pushed on this processor */
    210:   PetscEventPerfInfo perfInfo;  /* The stage performance information */
    211:   PetscEventPerfLog  eventLog;  /* The event information for this stage */
    212:   PetscClassPerfLog  classLog;  /* The class information for this stage */
    213: } PetscStageInfo;

    215: typedef struct _n_PetscStageLog *PetscStageLog;
    216: struct _n_PetscStageLog {
    217:   int              numStages;   /* The number of registered stages */
    218:   int              maxStages;   /* The maximum number of stages */
    219:   PetscIntStack    stack;       /* The stack for active stages */
    220:   int              curStage;    /* The current stage (only used in macros so we don't call PetscIntStackTop) */
    221:   PetscStageInfo   *stageInfo;  /* The information for each stage */
    222:   PetscEventRegLog eventLog;    /* The registered events */
    223:   PetscClassRegLog classLog;    /* The registered classes */
    224: };
    225: /* -----------------------------------------------------------------------------------------------------*/

    227: PETSC_EXTERN PetscErrorCode PetscLogObjectParent(PetscObject,PetscObject);
    228: PETSC_EXTERN PetscErrorCode PetscLogObjectMemory(PetscObject,PetscLogDouble);

    230: #if defined(PETSC_USE_LOG)  /* --- Logging is turned on --------------------------------*/
    231: PETSC_EXTERN PetscStageLog petsc_stageLog;
    232: PETSC_EXTERN PetscErrorCode PetscLogGetStageLog(PetscStageLog*);
    233: PETSC_EXTERN PetscErrorCode PetscStageLogGetCurrent(PetscStageLog,int*);
    234: PETSC_EXTERN PetscErrorCode PetscStageLogGetEventPerfLog(PetscStageLog,int,PetscEventPerfLog*);

    236: /*
    237:    Flop counting:  We count each arithmetic operation (e.g., addition, multiplication) separately.

    239:    For the complex numbers version, note that
    240:        1 complex addition = 2 flops
    241:        1 complex multiplication = 6 flops,
    242:    where we define 1 flop as that for a double precision scalar.  We roughly approximate
    243:    flop counting for complex numbers by multiplying the total flops by 4; this corresponds
    244:    to the assumption that we're counting mostly additions and multiplications -- and
    245:    roughly the same number of each.  More accurate counting could be done by distinguishing
    246:    among the various arithmetic operations.
    247:  */

    249: #if defined(PETSC_USE_COMPLEX)
    250: #define PETSC_FLOPS_PER_OP 4.0
    251: #else
    252: #define PETSC_FLOPS_PER_OP 1.0
    253: #endif

    255: /*@C
    256:        PetscLogFlops - Log how many flops are performed in a calculation

    258:    Input Parameter:
    259: .   flops - the number of flops

    261:    Notes:
    262:      To limit the chance of integer overflow when multiplying by a constant, represent the constant as a double,
    263:      not an integer. Use PetscLogFlops(4.0*n) not PetscLogFlops(4*n)

    265:    Level: intermediate

    267: .seealso: PetscLogView(), PetscLogGpuFlops()
    268: @*/

    270: PETSC_STATIC_INLINE PetscErrorCode PetscLogFlops(PetscLogDouble n)
    271: {
    273: #if defined(PETSC_USE_DEBUG)
    274:   if (n < 0) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Cannot log negative flops");
    275: #endif
    276:   petsc_TotalFlops += PETSC_FLOPS_PER_OP*n;
    277:   return(0);
    278: }

    280: #if defined(PETSC_HAVE_DEVICE)
    281: /* Global GPU counters */
    282: PETSC_EXTERN PetscLogDouble petsc_ctog_ct;
    283: PETSC_EXTERN PetscLogDouble petsc_gtoc_ct;
    284: PETSC_EXTERN PetscLogDouble petsc_ctog_sz;
    285: PETSC_EXTERN PetscLogDouble petsc_gtoc_sz;
    286: PETSC_EXTERN PetscLogDouble petsc_ctog_ct_scalar;
    287: PETSC_EXTERN PetscLogDouble petsc_gtoc_ct_scalar;
    288: PETSC_EXTERN PetscLogDouble petsc_ctog_sz_scalar;
    289: PETSC_EXTERN PetscLogDouble petsc_gtoc_sz_scalar;
    290: PETSC_EXTERN PetscLogDouble petsc_gflops;
    291: PETSC_EXTERN PetscLogDouble petsc_gtime;
    292: #if defined(PETSC_USE_DEBUG)
    293: PETSC_EXTERN PetscBool      petsc_gtime_inuse;
    294: #endif

    296: PETSC_STATIC_INLINE PetscErrorCode PetscLogCpuToGpu(PetscLogDouble size)
    297: {
    299:   petsc_ctog_ct += 1;
    300:   petsc_ctog_sz += size;
    301:   return(0);
    302: }

    304: PETSC_STATIC_INLINE PetscErrorCode PetscLogGpuToCpu(PetscLogDouble size)
    305: {
    307:   petsc_gtoc_ct += 1;
    308:   petsc_gtoc_sz += size;
    309:   return(0);
    310: }

    312: PETSC_STATIC_INLINE PetscErrorCode PetscLogCpuToGpuScalar(PetscLogDouble size)
    313: {
    315:   petsc_ctog_ct_scalar += 1;
    316:   petsc_ctog_sz_scalar += size;
    317:   return(0);
    318: }

    320: PETSC_STATIC_INLINE PetscErrorCode PetscLogGpuToCpuScalar(PetscLogDouble size)
    321: {
    323:   petsc_gtoc_ct_scalar += 1;
    324:   petsc_gtoc_sz_scalar += size;
    325:   return(0);
    326: }

    328: /*@C
    329:        PetscLogGpuFlops - Log how many flops are performed in a calculation on the device

    331:    Input Parameter:
    332: .   flops - the number of flops

    334:    Notes:
    335:      To limit the chance of integer overflow when multiplying by a constant, represent the constant as a double,
    336:      not an integer. Use PetscLogFlops(4.0*n) not PetscLogFlops(4*n)

    338:    Level: intermediate

    340: .seealso: PetscLogView(), PetscLogFlops(), PetscLogGpuTimeBegin(), PetscLogGpuTimeEnd()
    341: @*/
    342: PETSC_STATIC_INLINE PetscErrorCode PetscLogGpuFlops(PetscLogDouble n)
    343: {
    345: #if defined(PETSC_USE_DEBUG)
    346:   if (n < 0) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Cannot log negative flops");
    347: #endif
    348:   petsc_TotalFlops += PETSC_FLOPS_PER_OP*n;
    349:   petsc_gflops += PETSC_FLOPS_PER_OP*n;
    350:   return(0);
    351: }

    353: PETSC_STATIC_INLINE PetscErrorCode PetscLogGpuTimeAdd(PetscLogDouble t)
    354: {
    356:   petsc_gtime += t;
    357:   return(0);
    358: }

    360: PETSC_EXTERN PetscErrorCode PetscLogGpuTimeBegin(void);
    361: PETSC_EXTERN PetscErrorCode PetscLogGpuTimeEnd(void);
    362: #endif

    364: PETSC_EXTERN PetscErrorCode PetscGetFlops(PetscLogDouble *);

    366: #if defined (PETSC_HAVE_MPE)
    367: PETSC_EXTERN PetscErrorCode PetscLogMPEBegin(void);
    368: PETSC_EXTERN PetscErrorCode PetscLogMPEDump(const char[]);
    369: #endif

    371: PETSC_EXTERN PetscErrorCode (*PetscLogPLB)(PetscLogEvent,int,PetscObject,PetscObject,PetscObject,PetscObject);
    372: PETSC_EXTERN PetscErrorCode (*PetscLogPLE)(PetscLogEvent,int,PetscObject,PetscObject,PetscObject,PetscObject);
    373: PETSC_EXTERN PetscErrorCode (*PetscLogPHC)(PetscObject);
    374: PETSC_EXTERN PetscErrorCode (*PetscLogPHD)(PetscObject);

    376: #define PetscLogObjectParents(p,n,d)  0;do{int _i; for (_i=0; _i<(n); _i++) {PetscLogObjectParent((PetscObject)(p),(PetscObject)(d)[_i]);}}while (0)
    377: #define PetscLogObjectCreate(h)      ((PetscLogPHC) ? (*PetscLogPHC)((PetscObject)(h)) : 0)
    378: #define PetscLogObjectDestroy(h)     ((PetscLogPHD) ? (*PetscLogPHD)((PetscObject)(h)) : 0)
    379: PETSC_EXTERN PetscErrorCode PetscLogObjectState(PetscObject, const char[], ...);

    381: /* Initialization functions */
    382: PETSC_EXTERN PetscErrorCode PetscLogDefaultBegin(void);
    383: PETSC_EXTERN PetscErrorCode PetscLogAllBegin(void);
    384: PETSC_EXTERN PetscErrorCode PetscLogNestedBegin(void);
    385: PETSC_EXTERN PetscErrorCode PetscLogTraceBegin(FILE *);
    386: PETSC_EXTERN PetscErrorCode PetscLogActions(PetscBool);
    387: PETSC_EXTERN PetscErrorCode PetscLogObjects(PetscBool);
    388: PETSC_EXTERN PetscErrorCode PetscLogSetThreshold(PetscLogDouble,PetscLogDouble*);
    389: PETSC_EXTERN PetscErrorCode PetscLogSet(PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject),
    390:                                         PetscErrorCode (*)(int, int, PetscObject, PetscObject, PetscObject, PetscObject));

    392: /* Output functions */
    393: PETSC_EXTERN PetscErrorCode PetscLogView(PetscViewer);
    394: PETSC_EXTERN PetscErrorCode PetscLogViewFromOptions(void);
    395: PETSC_EXTERN PetscErrorCode PetscLogDump(const char[]);

    397: /* Stage functions */
    398: PETSC_EXTERN PetscErrorCode PetscLogStageRegister(const char[],PetscLogStage*);
    399: PETSC_EXTERN PetscErrorCode PetscLogStagePush(PetscLogStage);
    400: PETSC_EXTERN PetscErrorCode PetscLogStagePop(void);
    401: PETSC_EXTERN PetscErrorCode PetscLogStageSetActive(PetscLogStage,PetscBool);
    402: PETSC_EXTERN PetscErrorCode PetscLogStageGetActive(PetscLogStage,PetscBool*);
    403: PETSC_EXTERN PetscErrorCode PetscLogStageSetVisible(PetscLogStage,PetscBool);
    404: PETSC_EXTERN PetscErrorCode PetscLogStageGetVisible(PetscLogStage,PetscBool*);
    405: PETSC_EXTERN PetscErrorCode PetscLogStageGetId(const char[],PetscLogStage*);

    407: /* Event functions */
    408: PETSC_EXTERN PetscErrorCode PetscLogEventRegister(const char[],PetscClassId,PetscLogEvent*);
    409: PETSC_EXTERN PetscErrorCode PetscLogEventSetCollective(PetscLogEvent,PetscBool);
    410: PETSC_EXTERN PetscErrorCode PetscLogEventIncludeClass(PetscClassId);
    411: PETSC_EXTERN PetscErrorCode PetscLogEventExcludeClass(PetscClassId);
    412: PETSC_EXTERN PetscErrorCode PetscLogEventActivate(PetscLogEvent);
    413: PETSC_EXTERN PetscErrorCode PetscLogEventDeactivate(PetscLogEvent);
    414: PETSC_EXTERN PetscErrorCode PetscLogEventDeactivatePush(PetscLogEvent);
    415: PETSC_EXTERN PetscErrorCode PetscLogEventDeactivatePop(PetscLogEvent);
    416: PETSC_EXTERN PetscErrorCode PetscLogEventSetActiveAll(PetscLogEvent,PetscBool);
    417: PETSC_EXTERN PetscErrorCode PetscLogEventActivateClass(PetscClassId);
    418: PETSC_EXTERN PetscErrorCode PetscLogEventDeactivateClass(PetscClassId);
    419: PETSC_EXTERN PetscErrorCode PetscLogEventGetId(const char[],PetscLogEvent*);
    420: PETSC_EXTERN PetscErrorCode PetscLogEventGetPerfInfo(int,PetscLogEvent,PetscEventPerfInfo*);
    421: PETSC_EXTERN PetscErrorCode PetscLogEventSetDof(PetscLogEvent, PetscInt, PetscLogDouble);
    422: PETSC_EXTERN PetscErrorCode PetscLogEventSetError(PetscLogEvent, PetscInt, PetscLogDouble);

    424: /* Global counters */
    425: PETSC_EXTERN PetscLogDouble petsc_irecv_ct;
    426: PETSC_EXTERN PetscLogDouble petsc_isend_ct;
    427: PETSC_EXTERN PetscLogDouble petsc_recv_ct;
    428: PETSC_EXTERN PetscLogDouble petsc_send_ct;
    429: PETSC_EXTERN PetscLogDouble petsc_irecv_len;
    430: PETSC_EXTERN PetscLogDouble petsc_isend_len;
    431: PETSC_EXTERN PetscLogDouble petsc_recv_len;
    432: PETSC_EXTERN PetscLogDouble petsc_send_len;
    433: PETSC_EXTERN PetscLogDouble petsc_allreduce_ct;
    434: PETSC_EXTERN PetscLogDouble petsc_gather_ct;
    435: PETSC_EXTERN PetscLogDouble petsc_scatter_ct;
    436: PETSC_EXTERN PetscLogDouble petsc_wait_ct;
    437: PETSC_EXTERN PetscLogDouble petsc_wait_any_ct;
    438: PETSC_EXTERN PetscLogDouble petsc_wait_all_ct;
    439: PETSC_EXTERN PetscLogDouble petsc_sum_of_waits_ct;

    441: PETSC_EXTERN PetscBool      PetscLogMemory;

    443: PETSC_EXTERN PetscBool PetscLogSyncOn;  /* true if logging synchronization is enabled */
    444: PETSC_EXTERN PetscErrorCode PetscLogEventSynchronize(PetscLogEvent, MPI_Comm);

    446: #define PetscLogEventSync(e,comm) \
    447:   (((PetscLogPLB && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? \
    448:     PetscLogEventSynchronize((e),(comm)) : 0))

    450: #define PetscLogEventBegin(e,o1,o2,o3,o4) \
    451:   (((PetscLogPLB && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? \
    452:     (*PetscLogPLB)((e),0,(PetscObject)(o1),(PetscObject)(o2),(PetscObject)(o3),(PetscObject)(o4)) : 0))

    454: #define PetscLogEventEnd(e,o1,o2,o3,o4) \
    455:   (((PetscLogPLE && petsc_stageLog->stageInfo[petsc_stageLog->curStage].perfInfo.active && petsc_stageLog->stageInfo[petsc_stageLog->curStage].eventLog->eventInfo[e].active) ? \
    456:     (*PetscLogPLE)((e),0,(PetscObject)(o1),(PetscObject)(o2),(PetscObject)(o3),(PetscObject)(o4)) : 0))

    458: PETSC_EXTERN PetscErrorCode PetscLogEventGetFlops(PetscLogEvent,PetscLogDouble*);
    459: PETSC_EXTERN PetscErrorCode PetscLogEventZeroFlops(PetscLogEvent);

    461: /*
    462:      These are used internally in the PETSc routines to keep a count of MPI messages and
    463:    their sizes.

    465:      This does not work for MPI-Uni because our include/petsc/mpiuni/mpi.h file
    466:    uses macros to defined the MPI operations.

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

    472:      It does not work with Windows because winmpich lacks MPI_Type_size()
    473: */
    474: #if !defined(MPIUNI_H) && !defined(PETSC_HAVE_BROKEN_RECURSIVE_MACRO) && !defined (PETSC_HAVE_MPI_MISSING_TYPESIZE)
    475: /*
    476:    Logging of MPI activities
    477: */
    478: PETSC_STATIC_INLINE PetscErrorCode PetscMPITypeSize(PetscInt count,MPI_Datatype type,PetscLogDouble *length)
    479: {
    480:   PetscMPIInt    typesize;
    482:   if (type == MPI_DATATYPE_NULL) return 0;
    483:   MPI_Type_size(type,&typesize);
    484:   *length += (PetscLogDouble) (count*typesize);
    485:   return 0;
    486: }

    488: PETSC_STATIC_INLINE PetscErrorCode PetscMPITypeSizeComm(MPI_Comm comm,const PetscMPIInt *counts,MPI_Datatype type,PetscLogDouble *length)
    489: {
    490:   PetscMPIInt    typesize,size,p;

    493:   if (type == MPI_DATATYPE_NULL) return 0;
    494:   MPI_Comm_size(comm,&size);
    495:   MPI_Type_size(type,&typesize);
    496:   for (p=0; p<size; ++p) {
    497:     *length += (PetscLogDouble) (counts[p]*typesize);
    498:   }
    499:   return 0;
    500: }

    502: PETSC_STATIC_INLINE PetscErrorCode PetscMPITypeSizeCount(PetscInt n,const PetscMPIInt *counts,MPI_Datatype type,PetscLogDouble *length)
    503: {
    504:   PetscMPIInt    typesize,p;

    507:   if (type == MPI_DATATYPE_NULL) return 0;
    508:   MPI_Type_size(type,&typesize);
    509:   for (p=0; p<n; ++p) {
    510:     *length += (PetscLogDouble) (counts[p]*typesize);
    511:   }
    512:   return 0;
    513: }

    515: /*
    516:     Returns 1 if the communicator is parallel else zero
    517: */
    518: PETSC_STATIC_INLINE int PetscMPIParallelComm(MPI_Comm comm)
    519: {
    520:   PetscMPIInt size; MPI_Comm_size(comm,&size); return size > 1;
    521: }

    523: #define MPI_Irecv(buf,count,datatype,source,tag,comm,request) \
    524:   ((petsc_irecv_ct++,0) || PetscMPITypeSize((count),(datatype),&(petsc_irecv_len)) || MPI_Irecv((buf),(count),(datatype),(source),(tag),(comm),(request)))

    526: #define MPI_Isend(buf,count,datatype,dest,tag,comm,request) \
    527:   ((petsc_isend_ct++,0) || PetscMPITypeSize((count),(datatype),&(petsc_isend_len)) || MPI_Isend((buf),(count),(datatype),(dest),(tag),(comm),(request)))

    529: #define MPI_Startall_irecv(count,datatype,number,requests) \
    530:   ((petsc_irecv_ct += (PetscLogDouble)(number),0) || PetscMPITypeSize((count),(datatype),&(petsc_irecv_len)) || ((number) && MPI_Startall((number),(requests))))

    532: #define MPI_Startall_isend(count,datatype,number,requests) \
    533:   ((petsc_isend_ct += (PetscLogDouble)(number),0) || PetscMPITypeSize((count),(datatype),&(petsc_isend_len)) || ((number) && MPI_Startall((number),(requests))))

    535: #define MPI_Start_isend(count,datatype,requests) \
    536:   ((petsc_isend_ct++,0) || PetscMPITypeSize((count),(datatype),(&petsc_isend_len)) || MPI_Start((requests)))

    538: #define MPI_Recv(buf,count,datatype,source,tag,comm,status) \
    539:   ((petsc_recv_ct++,0) || PetscMPITypeSize((count),(datatype),(&petsc_recv_len)) || MPI_Recv((buf),(count),(datatype),(source),(tag),(comm),(status)))

    541: #define MPI_Send(buf,count,datatype,dest,tag,comm) \
    542:   ((petsc_send_ct++,0) || PetscMPITypeSize((count),(datatype),(&petsc_send_len)) || MPI_Send((buf),(count),(datatype),(dest),(tag),(comm)))

    544: #define MPI_Wait(request,status) \
    545:   ((petsc_wait_ct++,petsc_sum_of_waits_ct++,0) || MPI_Wait((request),(status)))

    547: #define MPI_Waitany(a,b,c,d) \
    548:   ((petsc_wait_any_ct++,petsc_sum_of_waits_ct++,0) || MPI_Waitany((a),(b),(c),(d)))

    550: #define MPI_Waitall(count,array_of_requests,array_of_statuses) \
    551:   ((petsc_wait_all_ct++,petsc_sum_of_waits_ct += (PetscLogDouble) (count),0) || MPI_Waitall((count),(array_of_requests),(array_of_statuses)))

    553: #define MPI_Allreduce(sendbuf,recvbuf,count,datatype,op,comm) \
    554:   (petsc_allreduce_ct += PetscMPIParallelComm((comm)),MPI_Allreduce((sendbuf),(recvbuf),(count),(datatype),(op),(comm)))

    556: #define MPI_Bcast(buffer,count,datatype,root,comm) \
    557:   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || MPI_Bcast((buffer),(count),(datatype),(root),(comm)))

    559: #define MPI_Reduce_scatter_block(sendbuf,recvbuf,recvcount,datatype,op,comm) \
    560:   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || MPI_Reduce_scatter_block((sendbuf),(recvbuf),(recvcount),(datatype),(op),(comm)))

    562: #define MPI_Alltoall(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,comm) \
    563:   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || PetscMPITypeSize((sendcount),(sendtype),(&petsc_send_len)) || MPI_Alltoall((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(comm)))

    565: #define MPI_Alltoallv(sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm) \
    566:   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || PetscMPITypeSizeComm((comm),(sendcnts),(sendtype),(&petsc_send_len)) || MPI_Alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm)))

    568: #define MPI_Allgather(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,comm) \
    569:   ((petsc_gather_ct += PetscMPIParallelComm((comm)),0) || MPI_Allgather((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(comm)))

    571: #define MPI_Allgatherv(sendbuf,sendcount,sendtype,recvbuf,recvcount,displs,recvtype,comm) \
    572:   ((petsc_gather_ct += PetscMPIParallelComm((comm)),0) || MPI_Allgatherv((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(displs),(recvtype),(comm)))

    574: #define MPI_Gather(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,root,comm) \
    575:   ((petsc_gather_ct++,0) || PetscMPITypeSize((sendcount),(sendtype),(&petsc_send_len)) || MPI_Gather((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm)))

    577: #define MPI_Gatherv(sendbuf,sendcount,sendtype,recvbuf,recvcount,displs,recvtype,root,comm) \
    578:   ((petsc_gather_ct++,0) || PetscMPITypeSize((sendcount),(sendtype),(&petsc_send_len)) || MPI_Gatherv((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(displs),(recvtype),(root),(comm)))

    580: #define MPI_Scatter(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,root,comm) \
    581:   ((petsc_scatter_ct++,0) || PetscMPITypeSize((recvcount),(recvtype),(&petsc_recv_len)) || MPI_Scatter((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm)))

    583: #define MPI_Scatterv(sendbuf,sendcount,displs,sendtype,recvbuf,recvcount,recvtype,root,comm) \
    584:   ((petsc_scatter_ct++,0) || PetscMPITypeSize((recvcount),(recvtype),(&petsc_recv_len)) || MPI_Scatterv((sendbuf),(sendcount),(displs),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm)))

    586: #define MPI_Ialltoall(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,comm,request) \
    587:   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || PetscMPITypeSize((sendcount),(sendtype),(&petsc_send_len)) || MPI_Ialltoall((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(comm),(request)))

    589: #define MPI_Ialltoallv(sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm,request) \
    590:   ((petsc_allreduce_ct += PetscMPIParallelComm((comm)),0) || PetscMPITypeSizeComm((comm),(sendcnts),(sendtype),(&petsc_send_len)) || MPI_Ialltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm),(request)))

    592: #define MPI_Iallgather(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,comm,request) \
    593:   ((petsc_gather_ct += PetscMPIParallelComm((comm)),0) || MPI_Iallgather((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(comm),(request)))

    595: #define MPI_Iallgatherv(sendbuf,sendcount,sendtype,recvbuf,recvcount,displs,recvtype,comm,request) \
    596:   ((petsc_gather_ct += PetscMPIParallelComm((comm)),0) || MPI_Iallgatherv((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(displs),(recvtype),(comm),(request)))

    598: #define MPI_Igather(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,root,comm,request) \
    599:   ((petsc_gather_ct++,0) || PetscMPITypeSize((sendcount),(sendtype),(&petsc_send_len)) || MPI_Igather((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm),(request)))

    601: #define MPI_Igatherv(sendbuf,sendcount,sendtype,recvbuf,recvcount,displs,recvtype,root,comm,request) \
    602:   ((petsc_gather_ct++,0) || PetscMPITypeSize((sendcount),(sendtype),(&petsc_send_len)) || MPI_Igatherv((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(displs),(recvtype),(root),(comm),(request)))

    604: #define MPI_Iscatter(sendbuf,sendcount,sendtype,recvbuf,recvcount,recvtype,root,comm,request) \
    605:   ((petsc_scatter_ct++,0) || PetscMPITypeSize((recvcount),(recvtype),(&petsc_recv_len)) || MPI_Iscatter((sendbuf),(sendcount),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm),(request)))

    607: #define MPI_Iscatterv(sendbuf,sendcount,displs,sendtype,recvbuf,recvcount,recvtype,root,comm,request) \
    608:   ((petsc_scatter_ct++,0) || PetscMPITypeSize((recvcount),(recvtype),(&petsc_recv_len)) || MPI_Iscatterv((sendbuf),(sendcount),(displs),(sendtype),(recvbuf),(recvcount),(recvtype),(root),(comm),(request)))

    610: /* We treat MPI_Ineighbor_alltoallv as a set of isend/irecv instead of a traditional MPI collective.
    611:    OpenMPI-3.0 ran into error with outdegree = indegree = 0, so we use ((outdegree) || (indegree)) as a workaround.
    612:  */
    613: #define MPI_Start_ineighbor_alltoallv(outdegree,indegree,sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm,request) \
    614:   ((petsc_isend_ct += (PetscLogDouble)(outdegree),0) || (petsc_irecv_ct += (PetscLogDouble)(indegree),0) || PetscMPITypeSizeCount((outdegree),(sendcnts),(sendtype),(&petsc_isend_len)) || PetscMPITypeSizeCount((indegree),(recvcnts),(recvtype),(&petsc_irecv_len)) || (((outdegree) || (indegree)) && MPI_Ineighbor_alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm),(request))))

    616: #define MPI_Start_neighbor_alltoallv(outdegree,indegree,sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm) \
    617:   ((petsc_isend_ct += (PetscLogDouble)(outdegree),0) || (petsc_irecv_ct += (PetscLogDouble)(indegree),0) || PetscMPITypeSizeCount((outdegree),(sendcnts),(sendtype),(&petsc_isend_len)) || PetscMPITypeSizeCount((indegree),(recvcnts),(recvtype),(&petsc_irecv_len)) || (((outdegree) || (indegree)) && MPI_Neighbor_alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm))))

    619: #else

    621: #define MPI_Startall_irecv(count,datatype,number,requests) \
    622:   ((number) && MPI_Startall((number),(requests)))

    624: #define MPI_Startall_isend(count,datatype,number,requests) \
    625:   ((number) && MPI_Startall((number),(requests)))

    627: #define MPI_Start_isend(count,datatype,requests) \
    628:   (MPI_Start((requests)))

    630: #define MPI_Start_ineighbor_alltoallv(outdegree,indegree,sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm,request) \
    631:   (((outdegree) || (indegree)) && MPI_Ineighbor_alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm),(request)))

    633: #define MPI_Start_neighbor_alltoallv(outdegree,indegree,sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm) \
    634:   (((outdegree) || (indegree)) && MPI_Neighbor_alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm)))

    636: #endif /* !MPIUNI_H && ! PETSC_HAVE_BROKEN_RECURSIVE_MACRO */

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

    640: #define PetscLogMemory                     PETSC_FALSE

    642: #define PetscLogFlops(n)                   0
    643: #define PetscGetFlops(a)                   (*(a) = 0.0,0)

    645: #define PetscLogStageRegister(a,b)         0
    646: #define PetscLogStagePush(a)               0
    647: #define PetscLogStagePop()                 0
    648: #define PetscLogStageSetActive(a,b)        0
    649: #define PetscLogStageGetActive(a,b)        0
    650: #define PetscLogStageGetVisible(a,b)       0
    651: #define PetscLogStageSetVisible(a,b)       0
    652: #define PetscLogStageGetId(a,b)            (*(b)=0,0)

    654: #define PetscLogEventRegister(a,b,c)       0
    655: #define PetscLogEventSetCollective(a,b)    0
    656: #define PetscLogEventIncludeClass(a)       0
    657: #define PetscLogEventExcludeClass(a)       0
    658: #define PetscLogEventActivate(a)           0
    659: #define PetscLogEventDeactivate(a)         0
    660: #define PetscLogEventDeactivatePush(a)     0
    661: #define PetscLogEventDeactivatePop(a)      0
    662: #define PetscLogEventActivateClass(a)      0
    663: #define PetscLogEventDeactivateClass(a)    0
    664: #define PetscLogEventSetActiveAll(a,b)     0
    665: #define PetscLogEventGetId(a,b)            (*(b)=0,0)
    666: #define PetscLogEventGetPerfInfo(a,b,c)    0
    667: #define PetscLogEventSetDof(a,b,c)         0
    668: #define PetscLogEventSetError(a,b,c)       0

    670: #define PetscLogPLB                        0
    671: #define PetscLogPLE                        0
    672: #define PetscLogPHC                        0
    673: #define PetscLogPHD                        0

    675: #define PetscLogObjectParents(p,n,c)       0
    676: #define PetscLogObjectCreate(h)            0
    677: #define PetscLogObjectDestroy(h)           0
    678: PETSC_EXTERN PetscErrorCode PetscLogObjectState(PetscObject,const char[],...);

    680: #define PetscLogDefaultBegin()             0
    681: #define PetscLogAllBegin()                 0
    682: #define PetscLogNestedBegin()              0
    683: #define PetscLogTraceBegin(file)           0
    684: #define PetscLogActions(a)                 0
    685: #define PetscLogObjects(a)                 0
    686: #define PetscLogSetThreshold(a,b)          0
    687: #define PetscLogSet(lb,le)                 0

    689: #define PetscLogView(viewer)               0
    690: #define PetscLogViewFromOptions()          0
    691: #define PetscLogDump(c)                    0

    693: #define PetscLogEventSync(e,comm)          0
    694: #define PetscLogEventBegin(e,o1,o2,o3,o4)  0
    695: #define PetscLogEventEnd(e,o1,o2,o3,o4)    0

    697: #if defined(PETSC_HAVE_DEVICE)
    698: #define PetscLogCpuToGpu(a)                0
    699: #define PetscLogGpuToCpu(a)                0
    700: #define PetscLogCpuToGpuScalar(a)          0
    701: #define PetscLogGpuToCpuScalar(a)          0
    702: #define PetscLogGpuFlops(a)                0
    703: #define PetscLogGpuTimeBegin()             0
    704: #define PetscLogGpuTimeEnd()               0
    705: #define PetscLogGpuTimeAdd(a)              0
    706: #endif

    708: /* If PETSC_USE_LOG is NOT defined, these still need to be! */
    709: #define MPI_Startall_irecv(count,datatype,number,requests) ((number) && MPI_Startall(number,requests))
    710: #define MPI_Startall_isend(count,datatype,number,requests) ((number) && MPI_Startall(number,requests))
    711: #define MPI_Start_isend(count,datatype,requests)           MPI_Start(requests)
    712: #define MPI_Start_ineighbor_alltoallv(outdegree,indegree,sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm,request) \
    713:   (((outdegree) || (indegree)) && MPI_Ineighbor_alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm),(request)))
    714: #define MPI_Start_neighbor_alltoallv(outdegree,indegree,sendbuf,sendcnts,sdispls,sendtype,recvbuf,recvcnts,rdispls,recvtype,comm) \
    715:   (((outdegree) || (indegree)) && MPI_Neighbor_alltoallv((sendbuf),(sendcnts),(sdispls),(sendtype),(recvbuf),(recvcnts),(rdispls),(recvtype),(comm)))

    717: #endif   /* PETSC_USE_LOG */

    719: #define PetscPreLoadBegin(flag,name) \
    720: do {\
    721:   PetscBool      PetscPreLoading = flag;\
    722:   int            PetscPreLoadMax,PetscPreLoadIt;\
    723:   PetscLogStage  _stageNum;\
    724:   PetscErrorCode _3_ierr; \
    725:   _3_PetscOptionsGetBool(NULL,NULL,"-preload",&PetscPreLoading,NULL);CHKERRQ(_3_ierr); \
    726:   PetscPreLoadMax = (int)(PetscPreLoading);\
    727:   PetscPreLoadingUsed = PetscPreLoading ? PETSC_TRUE : PetscPreLoadingUsed;\
    728:   for (PetscPreLoadIt=0; PetscPreLoadIt<=PetscPreLoadMax; PetscPreLoadIt++) {\
    729:     PetscPreLoadingOn = PetscPreLoading;\
    730:     _3_PetscBarrier(NULL);CHKERRQ(_3_ierr);\
    731:     if (PetscPreLoadIt>0) {\
    732:       _3_PetscLogStageGetId(name,&_stageNum);CHKERRQ(_3_ierr);\
    733:     } else {\
    734:       _3_PetscLogStageRegister(name,&_stageNum);CHKERRQ(_3_ierr); \
    735:     }\
    736:     _3_PetscLogStageSetActive(_stageNum,(PetscBool)(!PetscPreLoadMax || PetscPreLoadIt));\
    737:     _3_PetscLogStagePush(_stageNum);CHKERRQ(_3_ierr);

    739: #define PetscPreLoadEnd() \
    740:     _3_PetscLogStagePop();CHKERRQ(_3_ierr);\
    741:     PetscPreLoading = PETSC_FALSE;\
    742:   }\
    743: } while (0)

    745: #define PetscPreLoadStage(name) do {                                         \
    746:     _3_PetscLogStagePop();CHKERRQ(_3_ierr);                      \
    747:     if (PetscPreLoadIt>0) {                                                  \
    748:       _3_PetscLogStageGetId(name,&_stageNum);CHKERRQ(_3_ierr);   \
    749:     } else {                                                            \
    750:       _3_PetscLogStageRegister(name,&_stageNum);CHKERRQ(_3_ierr); \
    751:     }                                                                   \
    752:     _3_PetscLogStageSetActive(_stageNum,(PetscBool)(!PetscPreLoadMax || PetscPreLoadIt)); \
    753:     _3_PetscLogStagePush(_stageNum);CHKERRQ(_3_ierr);            \
    754:   } while (0)

    756: /* some vars for logging */
    757: PETSC_EXTERN PetscBool PetscPreLoadingUsed;       /* true if we are or have done preloading */
    758: PETSC_EXTERN PetscBool PetscPreLoadingOn;         /* true if we are currently in a preloading calculation */

    760: #endif