[Facets-devel] PETSC ERROR

[Matthew Knepley]

I think there is too much setup that can be customized from the command
line. I
don't think you can decompose like that.

  Matt

On Thu, Jun 4, 2009 at 5:33 PM, Lisandro Dalcin <dalcinl at gmail.com> wrote:

> On Thu, Jun 4, 2009 at 6:17 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> > This doesn't work - as some of the options are required during
> > PetscIntialize().
> >
>
> This behaviour had always bothered my, but never invested time to try
> to fix that. Currently, I'm doing a lot of hackery in  petsc4py for
> being able to use command line.
>
> In the bootstrapping script for a simulation, I have to do first:
>
> >>> import sys, petsc4py
> >>> petsc4py.init(sys.argv)
>
> and then next I'm able to do
>
> >>> from petsc4py import PETSc
>
> and being able to make PETSc use my args.
>
> In short, It would be realy nice to split PetscInitialize() in two:
> the fist part initializes everything without looking at command line
> stuff, and then a second part command line options initialization and
> some more initialization stuff. Something like
>
> PetscInitalize(argc,argv, file) {
>    PetscInitializeBasic(argc,argv)
>    PetscSetUp(argc,argv, file)
> }
>
> The argc,argv to PetscInitializeBasic() just in case PETSc still
> supports (does it?) MPI-1 implementations requiring argc,argv.
>
>
>
>
> --
> Lisandro Dalcín
> ---------------
> Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC)
> Instituto de Desarrollo Tecnológico para la Industria Química (INTEC)
> Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
> PTLC - Güemes 3450, (3000) Santa Fe, Argentina
> Tel/Fax: +54-(0)342-451.1594
>



-- 
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
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