petsc-3.14.6 2021-03-30
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PetscTime

Returns the current time of day in seconds.

Synopsis

#include <petsctime.h>
PetscErrorCode 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_view activate PETSc library timing. See Users-Manual: ch_profiling for more details.

See Also

PetscTimeSubtract(), PetscTimeAdd(), PetscLogStageRegister(), PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd()

Level

developer

Location

src/sys/time/../../../include/petsctime.h
Index of all Sys routines
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Index of all manual pages