#include "petscsys.h" #include "petsctime.h" PetscErrorCode PetscGetCPUTime(PetscLogDouble *t)Not Collective
    #include <petscsys.h>
    ...
    PetscLogDouble t1, t2;
    ierr = PetscGetCPUTime(&t1);CHKERRQ(ierr);
    ... code to time ...
    ierr = PetscGetCPUTime(&t2);CHKERRQ(ierr);
    printf("Code took %f CPU seconds\n", t2-t1);
Level:intermediate
Location:src/sys/time/cputime.c
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