[Beowulf] Getting started on parallelization
reuti at staff.uni-marburg.de
Fri Nov 14 17:59:49 EST 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
>> 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
>> 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.
> Bad news: Are you really inverting the matrix? You should probably be
> doing something like LU decomposition.
> -- greg
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