NOTE: all of this stuff is for the old version of the BLACS ...

Basic Linear Algebra Communication Subprograms: Analysis and Implementation Across Multiple Parallel Architectures,
R. Clint Whaley,
LAPACK Working Note 73, technical report, University of Tennessee, 1994.

A User's Guide to the BLACS,
Jack J. Dongarra, Robert A. van de Geijn, and R. Clint Whaley

Two Dimensional Basic Linear Algebra Communication Subprograms,
Jack Dongarra and Robert van de Geijn,
LAPACK Working Note 37, technical report, University of Tennessee, 1991.

The following codes are available for downloading:

The BLACS tester for the alpha test release of MPI.

A shar file containing the BLACS tester for the MPIBLACS. This version is different mainly because of updated tests and differing makefiles.

The BLACS tester for all versions except the alpha test release of MPI.

A shar file containing the BLACS tester.

CMMDBLACS.

A shar file containing the BLACS (written on top of CMMD) for Thinking Machine's CM-5.

MPIBLACS.

A shar file containing the alpha test release of the BLACS written on top of MPI. If you download this BLACS version, be sure to read the following papers:
Installing and Testing the BLACS,
Outstanding Issues in the MPIBLACS,
Some Plebian Extensions to MPI,

MPLBLACS.

A shar file containing the BLACS (written on top of MPL) for IBM's SP series.

NXBLACS.

A shar file containing the BLACS (written on top of NX) for Intel's supercomputer series (ipsc2, i860, DELTA and PARAGON).

PVMBLACS.

A shar file containing the BLACS written on top of PVM.