bug in tfs preconditioner

Barry Smith bsmith at mcs.anl.gov
Wed Oct 7 12:39:36 CDT 2009

On Oct 7, 2009, at 11:37 AM, Jed Brown wrote:

> On Wed, Oct 7, 2009 at 18:33, Barry Smith <bsmith at mcs.anl.gov> wrote:
>> There is seemingly very little use of tfs.
> Paul said that it has evolved a bit and what they are using in Nek is
> significantly improved.  I wonder how much work it would be to update
> the implementation in PETSc.

    I don't think that it is the TFS solver itself that significantly  
improved. I think it is the new/different algorithms they use in Nek  
that are better.


> Jed

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