> On Aug 27, 2015, at 4:50 PM, Jed Brown <[email protected]> wrote: > > Mark Adams <[email protected]> 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
