;;; benchmark.el --- support for benchmarking code
-;; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 2003-2015 Free Software Foundation, Inc.
;; Author: Dave Love <fx@gnu.org>
;; Keywords: lisp, extensions
-;; This file is free software; you can redistribute it and/or modify
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
-;; This file is distributed in the hope that it will be useful,
+;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(setq ,t1 (current-time))
,@forms
(setq ,t2 (current-time))
- (+ (* (- (car ,t2) (car ,t1)) 65536.0)
- (- (nth 1 ,t2) (nth 1 ,t1))
- (* (- (nth 2 ,t2) (nth 2 ,t1)) 1.0e-6)))))
+ (float-time (time-subtract ,t2 ,t1)))))
+
(put 'benchmark-elapse 'edebug-form-spec t)
(put 'benchmark-elapse 'lisp-indent-function 0)
Return a list of the total elapsed time for execution, the number of
garbage collections that ran, and the time taken by garbage collection.
See also `benchmark-run-compiled'."
+ (declare (indent 1) (debug t))
(unless (natnump repetitions)
(setq forms (cons repetitions forms)
repetitions 1))
`(benchmark-elapse ,@forms))
(- gcs-done ,gcs)
(- gc-elapsed ,gc)))))
-(put 'benchmark-run 'edebug-form-spec t)
-(put 'benchmark-run 'lisp-indent-function 2)
;;;###autoload
(defmacro benchmark-run-compiled (&optional repetitions &rest forms)
This is like `benchmark-run', but what is timed is a funcall of the
byte code obtained by wrapping FORMS in a `lambda' and compiling the
result. The overhead of the `lambda's is accounted for."
+ (declare (indent 1) (debug t))
(unless (natnump repetitions)
(setq forms (cons repetitions forms)
repetitions 1))
(funcall ,lambda-code))))
`(benchmark-elapse (funcall ,code)))
(- gcs-done ,gcs) (- gc-elapsed ,gc)))))
-(put 'benchmark-run-compiled 'edebug-form-spec t)
-(put 'benchmark-run-compiled 'lisp-indent-function 2)
;;;###autoload
(defun benchmark (repetitions form)
"Print the time taken for REPETITIONS executions of FORM.
-Interactively, REPETITIONS is taken from the prefix arg. For
-non-interactive use see also `benchmark-run' and
+Interactively, REPETITIONS is taken from the prefix arg.
+For non-interactive use see also `benchmark-run' and
`benchmark-run-compiled'."
(interactive "p\nxForm: ")
(let ((result (eval `(benchmark-run ,repetitions ,form))))
(provide 'benchmark)
-;; arch-tag: be570e24-4b51-4784-adf3-fa2b56c31946
;;; benchmark.el ends here