Christopher M. Brown, Robert Fowler, Thomas J. LeBlanc, Michael L. Scott, Mandayam Srinivas, Liudvikas Bukys, John Costanzo, Lawrence A. Crowl, Peter Dibble, Neal Gafter, Brian Marsh, Thomas Olson, and Laura Sanchis, "DARPA Parallel Architecture Benchmark Study", Butterfly Project Report 13, Department of Computer Science, University of Rochester, Rochester, New York, 14627-0226, October 1986