[Beowulf] parallel sparse linear solver choice?

Benjamin W. Mayer bmayer at cs.umn.edu
Fri Oct 22 11:26:46 EDT 2004


I am not sure if this is a good pointer or not.

Yousef Saad has a lot of work which may be useful for this application.

http://www-users.cs.umn.edu/~saad/software/home.html

SPARSKIT A basic tool-kit for sparse matrix computations.
pARMS , parallel Algebraic recursive Multilevel Solver.

There are also links to related packages on the above page.




On Fri, 22 Oct 2004, Thomas Clausen wrote:

> Hi Paul,
>
> You might want to have a look at
>
> http://www-unix.mcs.anl.gov/petsc/petsc-2/index.html
>
> Thomas
>
> On Thu, Oct 21, 2004 at 04:19:45PM -0400, JOHNSON,PAUL C wrote:
> > All:
> >
> > I was wondering whats your choice for a parallel sparse linear
> > solver?  I have a beowulf cluster(~4 nodes, ok really small I
> > know) connected at 100Mbps.  The computers are P4 2.2GHz with 1Gb
> > ram.  The matrices are formed by a finite element program.  They
> > are sparse, square, symmetric, and I would like to solve problems
> > with more than 200000 columns.  Which of the solvers is easiest to
> > set up and utilize?   One problem I am trying to solve is 156,240
> > x 156,240 with 6,023,241 non-zero entries.
> >
> > Thanks for any help,
> > Paul
> >
> > --
> > JOHNSON,PAUL C
> >
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>
> --
>
> Thomas Clausen, PhD.     <tclausen at aoes.com>
> AOES Group BV, http://www.aoes.com
> Phone +31(0)71 5795563  Fax +31(0)71572 1277
>
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