Here's the follow-up with an optimized CL version: https://renato.athaydes.com/posts/revenge_of_lisp-part-2.html https://renato.athaydes.com/posts/revenge_of_li

Here's the follow-up with an optimized CL version: https://renato.athaydes.com/posts/revenge_of_lisp-part-2.html https://renato.athaydes.com/posts/revenge_of_lisp-part-2.htm... See the conclusion: - the CL version is the fastest of ALL… in certain conditions ;)