any examples to demonstrate how to Spooles package?

[Matthew Knepley]

On Wed, Feb 27, 2008 at 1:21 PM, Yujie <recrusader at gmail.com> wrote:
> Dear Matt:
>
> I checked the codes about MatMatSolve(). However, currently, PETSc didn't
> realize its parallel version. Is it right? I want to inverse the matrix
> parallelly. could you give me some examples about it? thanks a lot.

Thats right. The parallel version is not implemented. It looks like this would
take significant work.

  Matt

> Regards,
> Yujie
>
>
>
> On 2/27/08, Matthew Knepley <knepley at gmail.com> wrote:
> > On Wed, Feb 27, 2008 at 11:05 AM, Yujie <recrusader at gmail.com> wrote:
> > > Dear Sanjay:
> > >
> > > Thank you for your reply. I don't understand what you said. Now, I want
> to
> > > use spooles package to inverse a sparse SPD matrix. I have further
> checked
> > > the inferface about spooles in PETSc. I find although spooles can deal
> with
> > > AX=B (B may be a dense matrix) with parallel LU factorization.
> > >  However, PETSc only provide the following:
> > > 51: PetscErrorCode MatSolve_MPISpooles(Mat A,Vec b,Vec x)
> > >  I don't set b to a matrix even if I use
> > >  178: PetscErrorCode MatFactorNumeric_MPISpooles(Mat A,MatFactorInfo
> > > *info,Mat *F) for LU factorization.
> > >
> > > Could you have any suggestions about this? thanks a lot.
> >
> >
> > MatMatSolve()
> >
> >
> http://www-unix.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/Mat/MatMatSolve.html
> >
> >    Matt
> >
> >
> > > Regards,
> > > Yujie
> > >
> > > On 2/26/08, Sanjay Govindjee <sanjay at ce.berkeley.edu> wrote:
> > > > from my make file
> > > >
> > > > -@${MPIRUN} -s all -np $(NPROC) $(PROGNAME) -ksp_type preonly
> > > > -ksp_monitor -pc_type cholesky -mat_type mpisbaijspooles -log_summary
> > > > -on_error_attach_debugger -mat_spooles_symmetryflag 0  -options_left
> > > >
> > > >
> > > > -sg
> > > >
> > > >
> > > > Yujie wrote:
> > > > > Hi, everyone
> > > > >
> > > > > I have compiled PETSc with spooles. However, I try to find how to
> use
> > > > > this package in PETSc directory. I can't find any examples for it.
> > > > > Could you give me some advice? I want to use spooles to inverse a
> > > > > sparse matrix. thanks a lot.
> > > > >
> > > > > Regards,
> > > > > Yujie
> > > >
> > > >
> > >
> > >
> >
> >
> >
> >
> > --
> > 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
> >
> >
>
>



-- 
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