[petsc-dev] Petsc Support for Bandwidth Minimization

[Barry Smith]

On Jan 2, 2012, at 10:10 PM, Jed Brown wrote:

> On Mon, Jan 2, 2012 at 21:58, Dave Nystrom <dnystrom1 at comcast.net> wrote:
> I'm wondering if petsc has support for reordering the unknowns under the hood
> so that for the z-coupling case, the matrix can be cast as a compact
> tridiagonal matrix.  Essentially, this would be support for minimizing the
> bandwidth.
> 
> -pc_factor_mat_ordering_type rcm
> 
> 
> You can get this with MatGetOrdering(A,MATORDERINGRCM,&isrow,&iscol)
> 
> 
> We need to write man pages for all the MatOrderingTypes (RCM, ND, etc)

  We needs a script that runs every  night and tells us what manual pages are missing.

    Barry