PetscGetTime

 Returns the current time of day in seconds. This returns wall-clock time.

Synopsis

#include "petsc.h"   
int PetscGetTime(PetscLogDouble *t)
Not Collective

Output Parameter

v -time counter

Usage

      PetscLogDouble v1,v2,elapsed_time;
      ierr = PetscGetTime(&v1);CHKERR(ierr);
      .... perform some calculation ...
      ierr = PetscGetTime(&v2);CHKERR(ierr);
      elapsed_time = v2 - v1;

Notes

Since the PETSc libraries incorporate timing of phases and operations, PetscGetTime() is intended only for timing of application codes. The options database commands -log, -log_summary, and -log_all activate PETSc library timing. See the users manual for further details.

See Also

PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd(), PetscLogStagePush(),
PetscLogStagePop(), PetscLogStageRegister(), PetscGetFlops()

Keywords

get, time

Level:intermediate
Location:src/sys/src/plog/plog.c
Index of all Profiling routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/sles/examples/tutorials/ex10.c.html