PVM or MPI essential to run parallel applications on aBeowulf?

[Dave Hart]

At 01:24 PM 6/2/1999 -0800, Curt wrote:

>The simplest, but not necessarily most optimal, way to handle this is to
>treat a dual processor node as if it were 2 nodes. No special
>programming is required and the benefits are available immediately.

Thanks, I did try that [2 MPI processes on same system]. Since the 
OS shifts a lot of work to second processor when the first is pegged, 
bringing in a second MPI process is not so great [I don't expect it 
to be].

I have had some suggestions from the Portland Group [to try another time]. 

- Dave