PetscGetTime
Returns the current time of day in seconds. This returns wall-clock time.
Synopsis
int PetscGetTime(PLogDouble *t)
Not
Collective
Output Parameter
v -time counter
Usage
PLogDouble 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
activatePETSc library timing. See the users manual for further details.
See Also
PLogEventRegister(), PLogEventBegin(), PLogEventEnd(), PLogStagePush(),
PLogStagePop(), PLogStageRegister(), PetscGetFlops()
Keywords
get, time
Examples
src/mat/examples/tutorials/ex1.c
src/sles/examples/tutorials/ex10.c
Location: src/plog/src/plog.c
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