PCView_MG

Matthew Knepley knepley at gmail.com
Wed May 21 10:59:51 CDT 2008


Cool, I will fix it.

  Matt

On Wed, May 21, 2008 at 9:34 AM, Dave May <dave.mayhem23 at gmail.com> wrote:
> Hey guys,
>     I just noticed a strange inconsistency within PCView_MG.
> This function reports
>     pre-smooths=%D, post-smooths=%D
> using the the values from
>   mg[0]->default_smoothd,mg[0]->default_smoothu.
> However, the values on level 0 are not modified by calls to
> PCMGSetNumberSmoothDown/Up().
> Hence mg[0]->default_smoothd,mg[0]->default_smoothu are always the default
> value of 1.
>
> The value of the relaxation sweeps is clear from the value of max_it defined
> on the ksp at each level, so it seem unnecessary (and confusing) to report
> that the pre/post-smooths based solely on the values of
> default_smoothd/default_smoothu obtained from level 0.
>
> Cheers,
>     Dave.
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
their experiments lead.
-- Norbert Wiener




More information about the petsc-dev mailing list