There is another Lisp implemented in 42 languages (including Ceylon, Dylan, Oz, Pike, Scratch, Smalltalk, SML etc.):
https://github.com/zick/ZickStandardLisp
The benchmark results of 42 implementations are very impressive:
http://blog.bugyo.tk/lyrical/wp-content/uploads/2014/12/stag... http://blog.bugyo.tk/lyrical/wp-content/uploads/2014/12/stag... http://blog.bugyo.tk/lyrical/wp-content/uploads/2014/12/stag...
which are discussed in Japanese at: