[Beowulf] Getting started on parallelization

Reuti reuti at staff.uni-marburg.de
Fri Nov 14 14:59:49 PST 2008

Am 14.11.2008 um 23:00 schrieb Greg Lindahl:

> On Thu, Nov 13, 2008 at 11:07:59PM -0500, Cesar Andres Polindara  
> Lopez wrote:
>> I have developed a finite element model for the simulation of
>> poroelastic materials. The model requires the implementation of a  
>> time
>> integration scheme (also known as step by step algorithms) hence
>> iterations are performed. For each iteration I have to solve a linear
>> system of equations so I have to calculate the inverse of a matrix  
>> and
>> then execute a multiplication.
> Good news: look up BLAS, and you will find a standard interface for


> doing matrix computations. There are parallel implementations
> available: Atlas, AMD ACML, Intel's math lib, etc etc.

If you want to extend it to mutilple machines, you can also look into  
PBLAS as part of ScaLAPACK (above link) and/or it's Intel  
implementation in Intel's MKL.

-- Reuti

> Bad news: Are you really inverting the matrix? You should probably be
> doing something like LU decomposition.
> -- greg
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