="computeroutput"><span class="identifier">mpirun</span></code>, e.g.,
      </p>
<pre class="programlisting">mpirun -np 5 python hello_world.py
</pre>
<p>
        This will return output such as:
      </p>
<pre class="programlisting">I am process 1 of 5.
I am process 3 of 5.
I am process 2 of 5.
I am process 4 of 5.
I am process 0 of 5.
</pre>
<p>
        Point-to-point operations in Boost.MPI have nearly the same syntax in Python
        as in C++. We can write a simple two-process Python program that pr