Hi All, I think we have been discussing this topic for a while in other threads. But I still did not get yet. PETSc uses 'SamePattern' as the default FactPattern. Some test cases in MOOSE fail with this default option, but I can make these tests pass if I set the FactPattern as 'SamePattern_SameRowPerm' by using -mat_superlu_dist_fact SamePattern_SameRowPerm.
Does this make sense mathematically? I can not understand. 'SamePattern' should be more general than 'SamePattern_SameRowPerm'. In other words, if something works with 'SamePattern_SameRowPerm', it definitely should work with 'SamePattern' too. Thanks as always. Fande,
