Matthew Knepley <[email protected]> writes: > On Mon, Aug 26, 2013 at 2:33 AM, Zhang <[email protected]> wrote: > >> Hi, Matt >> BTW, >> >> Could you leave me any suggestion of those direct solver PC, such as >> superLU_dist? Thanks > > > For simple Poisson, I do not expect direct methods to be competitive with > MG, however you can > easily try by configuring with --download-superlu and -pc_type lu > -pc_factor_mat_solver_package superlu
And by this, Matt means configuring with --download-superlu_dist (or --download-mumps) and running with -pc_type lu -pc_factor_mat_solver_package superlu_dist (or mumps).
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