[MLUG] parallel knoppix

[Mike Miller <EMAIL:PROTECTED>]

Below is a post from the Octave list that will be of interest to some of 
you.  In an environment with several PCs on a LAN, where people usually 
shut down their machines at the end of the day, this could become a cool 
way to get more out of their computers.  At this time it looks like it's 
not secure (the web page says "Warning: It is very insecure" ;-), but that 
should be a fixable problem (e.g., use tcpwrappers to limit access to one 
port from one machine or a few machines only on the local subnet).  I 
remember that Stephen had a program that was useful for distributed 
analysis.  Maybe he'll have a comment on this Knoppix solution.  Also, Jon 
King has made extensive use of Octave (which now handles multi-dimensional 
arrays, by the way).

Mike


---------- Forwarded message ----------
Date: Thu, 02 Dec 2004 10:49:16 +0100
From: Michael Creel <EMAIL:PROTECTED>
To: EMAIL:PROTECTED
Subject: Re: Does Octave run under Linux or in any multiprocessor environment?

On Monday 29 November 2004 16:49, Michael Martin wrote:

> On Nov 24, 2004, at 12:34 PM, Rick K Taketomo wrote:
>
>> I'd like to use Octave in a multiprocessor batch environment. Has it 
>> been used under Linux, such as a Beowolf cluster may use?
>
> Just FYI, it has been used in Apple's Xgrid parallel computing 
> environment.
>
>   http://www.apple.com/acg/xgrid/
>
> And interestingly, there is some work to add Linux agents to run under 
> Xgrid
>
>  http://packmug.ncsu.edu/wolfgrid/Xgrid-on-Linux-HOWTO.php


Another possibility is ParallelKnoppix, which contains Octave and MPITB. 
MPITB lets Octave scripts and function use LAM/MPI to run in parallel. 
This is a live CD, everything is set up and ready to run. I've used it 
myself on clusters up to 25 nodes. Information is at

http://pareto.uab.es/mcreel/ParallelKnoppix

Regards, Michael



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