A(nother) cool thing about Racket is that they use GNU Lightning for JITing. Not only is the generated code decently fast, but the actual JITing is very fast. L

A(nother) cool thing about Racket is that they use GNU Lightning for JITing. Not only is the generated code decently fast, but the actual JITing is very fast. Last time I looked, the runtime compilation was considerably faster than LLVM. It matters more than you'd think.