[Beowulf] 1 multicore machine cluster

Jonathan Aquilina eagles051387 at gmail.com
Fri Apr 24 00:03:12 PDT 2009

im impressed with the different views everyone has. i dont know how many of
you would agree with me a multicore processor lets say a quad is 4 nodes in
one. could one say it like that?

On Thu, Apr 23, 2009 at 9:06 PM, Nifty Tom Mitchell
<niftyompi at niftyegg.com>wrote:

> On Tue, Apr 21, 2009 at 09:46:07PM +0200, Jonathan Aquilina wrote:
> >
> >    is it possible to have a single multicored machine as a cluster?
> A single machine with multiple cores can act like a small but worthy
> cluster.  In fact it can also do fun stuff like OpenMP.
> You can run Open MPI now and have a batch system
> running in the background.  With quad core it
> almost makes sense to have three cores in the
> MPI batch queue leaving one core for 'interactive' use.
> Ignoring the batch system a dual core processor makes it
> interesting to locally develop and debug MPI codes.   Future quad+
> core processors will be even more interesting.  One of
> the difficulties with clustering is the "on ramp" or
> learning curve.   A modern dual core laptop is a worthy development
> tool for both MPI and OpenMP.
> The important point is understanding what
> a "cluster solves" for you.   A Beowulf point
> might be  "how to muster a pile of inexpensive
> networked boxes to the work load of a group or problem space".
> --
>        T o m  M i t c h e l l
>        Found me a new hat, now what?

Jonathan Aquilina
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