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Octave and MPI or PVM

From: gary huntress
Subject: Octave and MPI or PVM
Date: Sat, 06 Mar 1999 09:20:57 -0500


    I'm a longtime linux user and a casual Octave user.  I'm not a
"power" octave user though, I mostly just use the very basic
functions.   However, sometimes I am working on something (usually
something related to chaotic systems, or spectral analysis) that takes
*ages* on my system.  It doesn't bother me to leave something running
overnight occasionally but more speed is always nice.

    Also for the last year or so I have been building a linux Beowulf
cluster.  For quite a while I wondered if it would be possible to make
Octave MPI "aware"....not 100% of course, but just the fundamental
matrix operations.   I know that there are a couple of parallel matrix
libraries available at  I am a good c/c++ programmer, but
I'm not familiar at all with the Octave source (I never needed to be).

    I'm making the assumption that the parallel matrix library is
(mostly) function compatible with its base library, and I'm also
assuming that the matrix library used by Octave is similar to one of
these as well.  Given those assumptions, how hard would it be to replace
the existing matrix lib used by Octave with the parallel library?  (thus
enabling nifty parallel clustering!)

    On a scale of 1 to 10, 1 being "John Eaton wouldn't do it on a bet",
10 being "you boob, all you have to do is....."  I bet its a 3.

Any thoughts?

Gary Huntress

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