From: Mathias N. <mne...@tu...> - 2008-07-10 14:39:23
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John Peterson wrote: > On Thu, Jul 10, 2008 at 9:02 AM, Mathias Nenning <mne...@tu...> wrote: > >> John Peterson wrote: >> >>> Off the top of my head I'd have to guess it's the -mat_type argument, >>> since that option is relatively untested as far as I know. >>> >>> >>> >> This means I can't use SuperLU in optimized mode? >> > > Not until we figure out the bug anyway... > > Taking a look at petsc_matrix.C, I see that we do call > MatSetFromOptions() after MatCreateSeqAIJ and MatCreateMPIAIJ, which > I'm assuming is the correct syntax. So it should be respecting your > command line argument, but I'm not sure why it wouldn't work beyond > there in optimized petsc but it does work in debug petsc. Maybe a > petsc bug? That's my guess, too > Anyway, it will be hard to diagnose without debugging > symbols. > > > >> Now I tried to run the programm just using >> >> ./programm -pc_type lu >> >> and it works... >> But know I'm not shure about what kind of LU-solver is used. >> > > I believe it's a serial LU solver only. > > Thanks anyways , I'm fine with that at the moment! |