Mark Adams <mfad...@lbl.gov> writes: > The point is that it is possible to have a process invariant test, as > opposed to impossible. PETSc's MIS is not invariant now anyway.
If we want something invariant that is algorithmically defensible, we have to use a quality hash function. It's entirely feasible, we just have to decide to do it. > I don't think about DMDA; the problems that I have experience with > have a global numbering that can be preserved if one wishes for > debugging. That implies a "1D partition" of a fixed ordering. I suppose that's okay when people have already chosen SFC orderings.
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