On Wed, Jan 30, 2013 at 7:32 PM, Geoffrey Irving <irving at naml.us> wrote:
> I'm setting options via > > CHECK(PetscOptionsClear()); > CHECK(PetscOptionsInsert(&argc,&argv,0)); > > a while after calling PetscInitialize(). If the options are > > -ksp_rtol 1e-3 -pc_factor_mat_ordering_type nd -ksp_type cg > -pc_type icc -pc_factor_levels 0 -ksp_max_it 100 > > it successfully caps CG iterations at 100. If I use > > -ksp_max_it 100 -ksp_rtol 1e-3 -pc_factor_mat_ordering_type nd > -ksp_type cg -pc_type icc -pc_factor_levels 0 > > the maximum iterations are 10000. I.e., -ksp_max_it work at the end > but not at the beginning. What might be causing this order > dependence? I'm using > If you are using straight up argv, then the first argument is always the program name and gets ignored. Matt > [0]PETSC ERROR: Petsc Release Version 3.3.0, Patch 3, Wed Aug 29 > 11:26:24 CDT 2012 > > Thanks, > Geoffrey > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20130130/26a26561/attachment.html>
