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From: Helmut Eller <eller.helmut@gmail.com>
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Subject: Re: is there a emacs lisp timing command?
Date: Tue, 24 Mar 2009 08:30:45 +0100
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* Xah Lee [2009-03-24 02:57+0100] writes:

> anyone has written a timing command somewhere?

I've use this for ages:

;;;; CL-like time macro
(defmacro time (form)
  (autoload 'elp-elapsed-time "elp")
  (let ((start (make-symbol "#:start")))
    `(let ((,start (current-time)))
       (prog1 ,form
	 (princ (format "Elapsed time: %.2f sec  \n"
			(elp-elapsed-time ,start (current-time))))))))


Helmut.