[Beowulf] parallel sparse linear solver choice?

Thomas Clausen thomas.clausen at aoes.com
Fri Oct 22 05:58:26 EDT 2004


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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