Jumpshot-3 is a display program for trace data in scalable log format, [
SLOG-1],
which is designed to store a large number of drawable objects[
SLOG-2] generated
from the backend of a parallel program, for example AIX's UTE slogmerge or MPICH's
MPE profiling library. Basically, Jumpshot-3 is a GUI to display rectangles
that represent the various MPI and user-defined states and arrows indicating
messages exchanged between those states. This article illustrates the basic
functionalities of Jumpshot-3 through a step-by-step guide of how one would
usually use Jumpshot-3 to view a big logfile.
