[petsc-users] no decrease in iteration counts of KSPCG during time stepping

[Mark Adams]

On Sun, Dec 28, 2014 at 12:24 PM, Alp Kalpalp <alpkalpalp at gmail.com> wrote:

> Thanks for the answers,
>
> Please forgive me, I forgot to say that my stiffness matrix is not
> changing during time steps. I could not remember directly but just after a
> google search..I just hit this
>
> http://web.stanford.edu/group/frg/publications/recent/FETI-stoch.pdf
>
>
My understanding is the that the FETI people at Sandia found in the 90s
that reusing the Krylov subspace was a big win.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20150102/c3ec5555/attachment.html>