[petsc-users] superlu_dist has some problem for SAME_NONZERO_PATTERN

Hong Zhang hzhang at mcs.anl.gov
Mon Jan 3 10:09:16 CST 2011

Can you give us a simple example of your calling procedural that reproduces this
I tested petsc-dev/src/ksp/ksp/examples/tutorials/ex10.c and did not
get any error (this is a linear solver though).


> Dear Barry,
> Trouble you again.
> I found that my nonlinear solver failed to convergence with superlu_dist (even broken some times), but works well with mumps and pastix.
> When I change SAME_NONZERO_PATTERN to DIFFERENT_NONZERO_PATTERN, everything goes well.
> Will you please try to fix this?
> Gong Ding

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