petsc-3.7.7 2017-09-25
PetscTime
Returns the current time of day in seconds.
Synopsis
#include <petsctime.h>
PetscTime(PetscLogDouble *v)
Not Collective
Output Parameter
v -time counter
Usage
PetscLogDouble v;
PetscTime(&v);
.... perform some calculation ...
printf("Time for operation %g\n",v);
Notes
Since the PETSc libraries incorporate timing of phases and operations,
we do not recommend ever using PetscTime()
The options database command -log_summary activate
PETSc library timing. See Users-Manual: Chapter 13 Profiling for more details.
See Also
PetscTimeSubtract(), PetscTimeAdd(), PetscLogStageRegister(), PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd()
Keywords
Petsc, time
Level:developer
Location:src/sys/time/../../../include/petsctime.h
Index of all Sys routines
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Index of all manual pages