[Beowulf] why we need cheap, open learning clusters

[Lux, Jim (337C)]

I use the term "personal workstation cluster" when describing a Limulus. The "workstation" implies a more technical machine.

"personal supercomputer" works well for headlines, but I believe the terms "personal" and "supercomputer" are somewhat orthogonal.

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Not orthogonal if you have plenty of spare cash around.  I'm sure that if Larry Ellison wanted to put a Beowulf in one of the houses he owns on Carbon Beach in Malibu for his personal amusement, it would be a "personal supercomputer".. 
(or, for that matter, an old Cray, with the stylish round couch...)