Thanks a lot! Qin
On Friday, February 14, 2014 11:16 AM, Jed Brown <[email protected]> wrote: Qin Lu <[email protected]> writes: > Barry and Jed, > > Nice to know that! Is there a corresponding function call to set RCM? $ ./ex2 -pc_factor_mat_ordering_type rcm -help | grep -A1 mat_ordering -pc_factor_mat_ordering_type <natural>: Reordering to reduce nonzeros in factored matrix (one of) natural nd 1wd rcm qmd rowlength wbm spectral (PCFactorSetMatOrderingType) Looks like you should check out http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCFactorSetMatOrderingType.html
