[ubuntu-uk] Fwd: High Performance Computing

[Dave Ewart]

On Tuesday, 24.04.2007 at 17:26 +0100, Thomas Steffen wrote:

> >One of the many topics that have my interest at the moment is that of
> >high performance computing by using cluster / parallel computing.
> >Can Ubuntu support this without a lot of hacking around?
> 
> That depends a bit on your software. The most popular free tool in
> high performance computing is PVM, which uses an explicite
> communication model.  If your software supports PVM, it should run on
> Ubuntu "out of the box".  There are alternative solutions (such as
> MOSIX), but they do not all provide the same raw power as PVM.

Comparing PVM and MOSIX is an "apples and oranges" comparison, to some
extent.

As I understand it: MOSIX and OpenMOSIX are generally designed to run
applications unmodified.  PVM, on the other hand, needs applications
specifically written under the PVM framework, i.e. there are 'pvm_*'
function calls in your code.

PVM may well be more powerful, but it's scope is more limited.

Dave.
-- 
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