Run-time operation and tuning MPI applications
==============================================

Once your MPI application is running, there are many different
components that can be tuned to affect behavior at run time.

.. toctree::
   :maxdepth: 1

   environment-var
   networking/index
   multithreaded
   dynamic-loading
   fork-system-popen
   fault-tolerance/index
   large-clusters/index
   affinity
   mpi-io/index
   coll-tuned
   benchmarking
   heterogeneity