[Beowulf] 1 multicore machine cluster
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?
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