[petsc-dev] strangness in Chebyshev estimate of eigenvalues

[Barry Smith]

> On Aug 27, 2015, at 4:50 PM, Jed Brown <jed at jedbrown.org> wrote:
> 
> Mark Adams <mfadams at lbl.gov> writes:
> 
>> OK, I can put PetscRandom back into GAMG and add a check for DIVERGE_ITS in
>> the Cheby solve.  Is that necessary and sufficient?
> 
> Yes, but use a deterministic seed (that includes the process rank so all
> ranks don't produce the same numbers).

   This is the default behavior if one just creates a PetscRandom and uses it, so don't be going and setting seeds inside GAMG or Chebyshev.

   Barry