title: Python: OpenMPI Vs. RabbitMQ
body: <p>Suppose that one is interested to write a <code>python</code> app where there should be communication between different processes. The communications will be done by sending <code>strings</code> and/or <code>numpy</code> arrays.</p>
  
  <p>What are the considerations to prefer <code>OpenMPI</code> vs. a tool like <code>RabbitMQ</code>?</p>