Guide to Example Programs
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The Primer
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The first example to look at is the slave.c program in
may/sammples/primer.  Its an example of a slave process 
that actually does the number-crunching.  Once you feel you
understand this, go on to master.c.  This is the master program:
its the one that fires up the remote processes, sends out data
to be crunched, and collects it back up.  Its a tad more
intimidating -- so while you look at it, keep in mind what it
was that the slave program did with the messages it got.