[Beowulf] How to make a BeagleBoard Elastic R Beowulf Cluster in a Briefcase

Douglas Eadline deadline at eadline.org
Fri Sep 17 16:13:08 PDT 2010

BTW, there is a list of Freely available
cluster applications here (Cluster Tweaks):


If anyone knows of other applications, please add
them. This is community wiki so if you want to contribute,
please create and account and have at it.


> Thanks all for your responses,
> I built my engine because I imagined it, and wanted to see if it was
> possible.  Problem, I don't know much about HPC apps, and tasks need
> to be coded up for my platform (I tried to keep it as portable as
> possible, but it has a some required hooks, etc).  So it was as much
> as I could do to come up with a test job...  the engine does work
> though, pic (this is a memory dump, not a render):
> http://www.cyberdelix.net/media/retro_fractal_by_lsi.gif
> Each row of numbers was calculated by a node on the grid (although,
> because this is home HPC, the grid only had two nodes).
> Ah yes, so it does have a little eye candy I guess but fractals are a
> bit gratuitous, I was hoping for a more serious application.  I
> considered hunting for primes or somesuch... but I'm not a
> mathematician or scientist and I don't understand what, for example,
> the sieve of Eratosthenes is meant to be outputting, so writing code
> to run it is very difficult!
> This is especially problematic because, as is noted below, a demo is
> an important part of a proposal.
> I think I need to get a computational science degree, or engage a
> mathematician or scientist, to progress my project.  I was hoping
> this would be my HAL 9000 but it turns out to need more than an
> engine, it needs apps too...
> Thanks for the bistro tip Jim, nice one.. :)
> Stu
> On 16 Sep 2010 at 15:40, Lux, Jim (337C) wrote:
>> > From: beowulf-bounces at beowulf.org [mailto:beowulf-
> bounces at beowulf.org] On Behalf Of Douglas Eadline
>> > As a builder of some cheapo home clusters I would say that
>> > software development (owning the reset switch is nice),
>> > problem development (staging a small version of a problem
>> > before you scale it up), and running real codes (most
>> > HPC apps don't scale that well in any case).
>> If you were writing proposals to scale up to hundreds of nodes,
>> especially if you are self-funding the proposal work, then having
>> demonstrated it on a cluster at all might lend credibility to your
>> proposal, especially if the proposal evaluators are not
>> cluster-afficionados (so they question the applicability of clusters
>> in general, and are ignorant of the scaling issues)
>> > Of course I'm still trying to build my HAL 9000 clone.
>> I don't think you want to do that, Doug...
> ---
> Stuart Udall
> stuart at at cyberdelix.dot net - http://www.cyberdelix.net/
> ---
>  * Origin: lsi: revolution through evolution (192:168/0.2)
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