Interesting, I'll have to go over your code fairly carefully, as I'm not familiar with every technique you're using here for performance. I've since learned a

Interesting, I'll have to go over your code fairly carefully, as I'm not familiar with every technique you're using here for performance. I've since learned a good deal about Clojure and implemented an idiomatic (but probably less performant) version, for anyone interested in how short this can be: http://gist.github.com/635674 http://gist.github.com/635674