[Beowulf] emulating MPI?

[William Gropp]

At 12:47 PM 6/28/2004, John Wohlbier wrote:
>Hi,
>I'm wondering if there is a way to emulate MPI,
>so that MPI software development may be done on a single
>processor box and run with "virtual nodes."

MPI only requires multiple processes.  I regularly do MPI development on 
single-processor machines, including laptops.

Bill


>Thanks! (Sorry if this is the wrong list for such a question.)
>
>jgw
>
>
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William Gropp
Associate Division Director
Mathematics and Computer Science Division
Argonne National Laboratory
http://www.mcs.anl.gov/~gropp