PetscEventPerfInfo#
statistics on how many times the event is used, how much time it takes, etc.
Synopsis#
typedef struct {
int id; /* The integer identifying this event / stage */
PetscBool active; /* Deprecated */
PetscBool visible; /* The flag to print info in summary */
int depth; /* The nesting depth of the event call */
int count; /* The number of times this event was executed */
PetscLogDouble flops; /* The flops used in this event */
PetscLogDouble flops2; /* The square of flops used in this event */
PetscLogDouble flopsTmp; /* The accumulator for flops used in this event */
PetscLogDouble time; /* The time taken for this event */
PetscLogDouble time2; /* The square of time taken for this event */
PetscLogDouble timeTmp; /* The accumulator for time taken for this event */
PetscLogDouble syncTime; /* The synchronization barrier time */
PetscLogDouble dof[8]; /* The number of degrees of freedom associated with this event */
PetscLogDouble errors[8]; /* The errors (user-defined) associated with this event */
PetscLogDouble numMessages; /* The number of messages in this event */
PetscLogDouble messageLength; /* The total message lengths in this event */
PetscLogDouble numReductions; /* The number of reductions in this event */
PetscLogDouble memIncrease; /* How much the resident memory has increased in this event */
PetscLogDouble mallocIncrease; /* How much the maximum malloced space has increased in this event */
PetscLogDouble mallocSpace; /* How much the space was malloced and kept during this event */
PetscLogDouble mallocIncreaseEvent; /* Maximum of the high water mark with in event minus memory available at the end of the event */
#if defined(PETSC_HAVE_DEVICE)
PetscLogDouble CpuToGpuCount; /* The total number of CPU to GPU copies */
PetscLogDouble GpuToCpuCount; /* The total number of GPU to CPU copies */
PetscLogDouble CpuToGpuSize; /* The total size of CPU to GPU copies */
PetscLogDouble GpuToCpuSize; /* The total size of GPU to CPU copies */
PetscLogDouble GpuFlops; /* The flops done on a GPU in this event */
PetscLogDouble GpuTime; /* The time spent on a GPU in this event */
#endif
} PetscEventPerfInfo;
Note#
This is the data structure that describes profiling statsitics collected for an event from
the default log handler (PetscLogDefaultBegin()
) using PetscLogEventGetPerfInfo()
.
See Also#
): Profiling
Level#
advanced
Location#
Examples#
src/ksp/ksp/tutorials/ex79.c
src/ksp/ksp/tutorials/ex76.c
Index of all Profiling routines
Table of Contents for all manual pages
Index of all manual pages