Norm Matloff's MPI Web Page

Professor Norm Matloff
Dept. of Computer Science
University of California at Davis
Davis, CA 95616

(Please mail any questions to Norm Matloff.)

MPI is a message-passing library, callable from C or C++ on any TCP/IP network. (Some versions also work on other platforms, e.g. SMPs.) There are several implementations available, some free and others commercial. One of the most popular free implementations is MPICH.

General information on MPI:

• MPI home page. Among other things, you will find links to some MPI tutorials, sample programs and books.

• The text by Pacheco. You can read an earlier and much shorter version online.

• Man pages for the MPI routines.

• Prof. Matloff's MPI tutorial.
• The MPI Forum has brief descriptions and examples of the MPI routines.

• MPI example programs:
  • Norm Matloff's introductory MPI program. Again, remember that the applicability of MPI is much more general than this; this document is included here just as an introduction to the available library calls in MPI.

  • Even if you do not have Pacheco's book, you may find his sample programs to be very useful For instance, if you need to see an example of the usage of a certain MPI function, simply do a grep on the Pacheco sample programs to find one. I've copied one of his programs, trap.c, here for your convenience if you want another quick example to test your MPI build. It has no command-line arguments, and can be run with any number of nodes which divides 1024.

  • Various examples in the MPI Forum page are labeled as "Examples using..." in the table of contents.

Material on MPICH/MPICH2 implementations of MPI:

• MPICH home page

• brief notes on how to compile and run MPICH and MPICH2 applications, by Prof. Matloff.

Matloff on the LAM implementations of MPI:

• LAM home page
• brief notes on how to compile and run LAM applications, by Prof. Matloff.