I haven't done any rigorous benchmarking, but I suspect clojure-scheme introduces little overhead above what Gambit requires. I'm able to lean on native Gambit

I haven't done any rigorous benchmarking, but I suspect clojure-scheme introduces little overhead above what Gambit requires. I'm able to lean on native Gambit gambit constructs for quite a bit (i.e. Gambit records underpin Clojure deftypes).