The ever-insightful Joe Landman from Scalability.org has an article over at linux-mag.com entitled “MPI in Thirty Minutes”
Learn how to obtain, build, and use an MPI stack for Linux machines. This tutorial will take you from “hello world” to parallel matrix multiplication in a matter of minutes.
Reminiscent of my presentation from 10 years ago on the seven calls you really need to know to program with MPI. And if you don’t have Joe’s blog in your list of regular sites to check, it should be there.