On Sun, May 5, 2013 at 4:26 PM, Andrea Lani <andrea.lani at gmail.com> wrote:
> Thanks, Matt! Let me re-iterate on the question... are there other > available preconditioners already ported to GPU, which are not based on AMG > (which is typically not suitable for my convection-dominated CFD problems) > and apart from BICGSTABCUSP? > I believe that the txpetscgpu package has triangular solves for the GPU. BiCGStab is a Krylov method. Matt > Andrea > > > On May 5, 2013, at 9:53 PM, Matthew Knepley <knepley at gmail.com> wrote: > > On Sun, May 5, 2013 at 2:48 PM, Andrea Lani < <andrea.lani at gmail.com> > andrea.lani at gmail.com> wrote: > >> Dear Developers, >> >> Could you please tell me the list of preconditioners for non-symmetric >> systems fully ported to multi-GPU and available in the current development >> version? >> > > In my opinion, there are no truly multi-GPU preconditioners anywhere. We > can imagine them, like AMG with Chebychev smoothers, but > I have not really seen any of them reliably work. The CUSP SA-AMG is the > closest one in this category, and Steve Dalton is working on > it this summer at ANL. > > Matt > > >> Thanks in advance >> >> Andrea > > > > > -- > 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 > > -- 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/20130505/2854ba3d/attachment.html>
