Fast Scheme for Suns?

[Brian Leverich <leverich@RAND.ORG>]

I've been doing knowledge-based simulation modeling of the Army's wartime
theater ammunition distribution system using ROSS built on top of Texas
Instruments' PC-Scheme, but things have grown to the point (as they usually
do in simulation modeling...) where I need more processing horsepower.

Anybody have any experience with a Scheme that will run on Sun UNIX
boxes?  Ideally I'd like a Scheme that is public domain, high optimized,
and compatible with PC-Scheme, but I'll take whatever is available.

Thanks for suggestions!  -B
-- 
  "Simulate it in ROSS"
  Brian Leverich                       | U.S. Snail: 1700 Main St.
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