I think HOPS is what you are looking for http://www.cas.mcmaster.ca/~kahl/HOPS/
It may advertize itself otherwise, but the main thing you 'see' when running programs in fully explicit mode is exactly all the graph reductions.
Jacques _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
