This is a short introduction to the installation and operation (in Fortran) of the Message Passing Interface (MPI) on the Ubuntu.
1. What is MPI? MPI(wiki) is a library of routines that can be used to create parallel programs in Fortran77 and C Fortran, C, and C++. Standard Fortran, C and C++ include no constructs supporting parallelism so vendors have developed a variety of extensions to allow users of those languages to build parallel applications.