TAK relative execution times:
- Emacs interpreter, dynamic binding: 1
Emacs interpreter, lexical binding: 6
- Guile, lexical binding: 1/6
- Guile, dynamic binding: 1
- Guile Elisp, lexical binding: 1.5
- Guile Elisp, dynamic binding: 3
- Emacs (byte-compiled), dynamic binding: 1/2
- Emacs (byte-compiled), lexical binding: 1/4
