Developing MPI programs, even for fun, helps you understand the power of parallel programming, different than managing with thread or callback/async.
A side effect of MPI is deadlock risk increasing, because of frequent communications between processes.
Here is a short list of tips to avoid, at least reduce, deadlock risk while processes run … very usefull for MPI beginners 😉
source: Deadlock avoidance in your MPI programs
Technorati tags: MPI, Parallel
a developer's breadcrumb 