[petsc-dev] Preconditioners for GPU

[Andrea Lani]

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? 

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> 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
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