* Complete Elisp translator work.

lang/elisp/example.el

@@ -8,3 +8,32 @@
 	  (apply 'concat contents)
 	  "</BODY>\n"
 	  "</HTML>\n"))
+
+(defmacro time (repeat-count &rest body)
+  `(let ((count ,repeat-count)
+	 (beg (current-time))
+	 end)
+     (while (> count 0)
+       (setq count (- count 1))
+       ,@body)
+     (setq end (current-time))
+     (+ (* 1000000.0 (+ (* 65536.0 (- (car end) (car beg)))
+			(- (cadr end) (cadr beg))))
+	(* 1.0 (- (caddr end) (caddr beg))))))
+
+;Non-scientific performance measurements (Guile measurements are with
+;`guile -q --no-debug'):
+;
+;(time 100000 (+ 3 4))
+; => 225,071 (Emacs) 4,000,000 (Guile)
+;(time 100000 (lambda () 1))
+; => 2,410,456 (Emacs) 4,000,000 (Guile)
+;(time 100000 (apply 'concat (mapcar (lambda (s) (concat s "." s)) '("a" "b" "c" "d"))))
+; => 10,185,792 (Emacs) 136,000,000 (Guile)
+;(defun sc (s) (concat s "." s))
+;(time 100000 (apply 'concat (mapcar 'sc  '("a" "b" "c" "d"))))
+; => 7,870,055 (Emacs) 26,700,000 (Guile)
+;
+;Sadly, it looks like the translator's performance sucks quite badly
+;when compared with Emacs.  But the translator is still very new, so
+;there's probably plenty of room of improvement.