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This directory contains several example programs as well as all the
examples from chapter 10 of the MPI-2 standard.  The programs are each
briefly described below.

chatper_10_mpi2.cc:
	The examples given in the text of Chapter 10 of the MPI-2 standard.

hello_world.cc:
	The usual hello world example.

pi:
	Calculates pi.

ring:
	Sends a message around a ring.

topology:
	Demonstrates the cartesian and graph topologies. See the
	source sode for more information.

user_bcast:
	A "hand-made" broadcast function using Isend and Irecv.
