On Thu, May 10, 2012 at 3:45 PM, Chetan Jhurani <chetan.jhurani at gmail.com>wrote:
> Hi wizards of "->ops->" indirections, > > I'm trying to use bcgs without preconditioning, for now, and > the iterations using "-vec_type cusp -mat_type mpiaijcusp" don't > match serial or non-GPU options. I've attached the test program > and the 4 outputs (serial/parallel + CPU/GPU). All this is > with petsc-dev downloaded now and real scalars. > > Only the parallel GPU results are different starting from > third residual norm seen in results.txt. The other three match > one another. Am I doing something wrong? > > fbcgs (bcgs with -ksp_bcgs_flexible) works fine with all the > serial/parallel or CPU/GPU options I've tried. > > Let me know if you need the matrix, rhs, and initial guess > binary files that are read in by the test program. > That would be great. This looks like a bug that should be tracked down. MAtt > Thanks, > > Chetan > > -- 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-dev/attachments/20120510/26dfa2ac/attachment.html>