On Wed, 3 Feb 2016, John Peterson wrote: > On Wed, Feb 3, 2016 at 4:31 PM, Junchao Zhang <junchao.zh...@gmail.com> > wrote: > >> I find libmesh does not accept some PETsc KSP options, such as -ksp_rtol >> 0. It is likely that libmesh calls KSPSetFromOptions() too early, before >> other customization routines. > > I'd be very surprised if that's the case. We've been setting PETSc command > line options from the command line in libmesh for a very long time...
Hmm.. but different options have different APIs, and the order in which they're called matters. It looks like we KSPSetFromOptions at init time, but then we call KSPSetTolerances at solve time, so the latter would override the former. --- Roy ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users