On Wed, Jan 18, 2012 at 14:03, Ravi Kannan <rxk at cfdrc.com> wrote: > We did have Hypre Boomer amg. This did not scale, but gives correct > solution. So we wanted an alternative; hence we approached you for gamg.** > ** > > ** ** > > However for certain cases, gamg crashes. Even for the working cases, it > takes about 15-20 times more sweeps than the boomer-hypre. Hence it is > cost-prohibitive. >
It would help to have a representative test matrix for us to test aggregation and smoothing strategies. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120118/7421bfb9/attachment-0001.htm>
