[Beowulf] which mpi library should I focus on?

Brock Palen brockp at umich.edu
Tue Feb 23 06:25:45 PST 2010

> why do you think it would make any difference?  it's also normally
> pretty trivial to switch.

Very true, we use modules and can swap easily, and rebuild

>> What are the reasons to prefer one or the other?
> none - it's a matter of taste, especially since your application will
> not be sensitive to minor differences.

(shameless plug) if you want, listen to our podcast on OpenMPI

The MPICH2 show is recorded (edited it last night, almost done!), and  
will be released this Saturday Midnight Eastern.
If you want to hear the rough cut, to compare to OpenMPI, email me and  
I will send you the unfinished mp3.

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