about KSP based on parallel dense matrix

Lisandro Dalcin dalcinl at gmail.com
Mon Sep 22 20:51:29 CDT 2008

Well, any iterative solver will actually work, but expect a really
poor scalability :-). I believe (never used dense matrices) that you
could use a direct method (PLAPACK?), but again, be prepared for long
running times if your problem is (even moderately) large.

On Mon, Sep 22, 2008 at 10:35 PM, Yujie <recrusader at gmail.com> wrote:
> To my knowledge, PETsc doesn't provide parallel dense matrix-based solvers,
> such as for CG, GMRES and so on. If it is, how to deal with this problem?
> Thanks.
> Regards,
> Yujie

Lisandro Dalcín
Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC)
Instituto de Desarrollo Tecnológico para la Industria Química (INTEC)
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
PTLC - Güemes 3450, (3000) Santa Fe, Argentina
Tel/Fax: +54-(0)342-451.1594

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