FFT2D is a 2D FFT written by C. Calvin at LMC-IMAG, Grenoble, France.
It does two successive matrix transpositions. When traced, it yields
a nice space-time diagram with Paragraph.

The FFT application uses the 'tape_*_phase' routines to define phases. 
When using Paragraph, you can set "stop on trace msg/mark" in the
options menu. The animation will stop at the start and end of phases.

Notes to build:

I provided an Imakefile in this directory which can be used to build 
the instrumented and non-instrumented versions of srtsR. The Imakefile
imports the environment variables PVM_ROOT, PVM_ARCH and TAPE_ROOT. 
TAPE_ROOT is set in config.sh which is at the root of Tape/Pvm's source
tree (../.. from here).

This Imakefile can be used to build all your SPMD style PVM applications
(instrumented and non-instrumented). See the header of the Imakefile for
further instructions.

E.M.
