Opinions needed on new system

Donald Becker becker at scyld.com
Thu Jul 20 15:19:23 PDT 2000

On Thu, 20 Jul 2000, Douglas Eadline wrote:
> On Thu, 20 Jul 2000, Jack Wathey wrote:

> > but I do have a general suggestion.  If you have not yet written the
> > parallel application that you intend to run on the cluster, then consider
> > buying only 2 nodes, or just scrounge up two old PC's and connect them
> > with a crossover cable.  Do as much designing and coding of your
> Also, you can even write parallel code on a single system, then move it to
> a cluster.  While you will not be able to try out communication
> performance, you can get quite a lot done on a single machine. I have
> prototyped, PVM and MPI codes on my laptop. 

Dan Ridge (newt at scyld.com) has a small stub MPI shared library that makes it
easy to build an MPI application that runs unchanged on a single machine or a

Donald Becker				becker at scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Beowulf Clusters / Linux Installations
Annapolis MD 21403

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