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* lisp/emacs-lisp/benchmark.el (benchmark-run): Allow variable.

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(benchmark-run): Allow `repetitions` to be a variable rather than a constant.
This commit is contained in:
Stefan Monnier 2018-03-26 21:07:35 -04:00
parent 66b7718901
commit c7d2a0dd76
1 changed files with 3 additions and 3 deletions
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6
lisp/emacs-lisp/benchmark.el
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@ -50,7 +50,7 @@ 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)
(unless (or (natnump repetitions) (symbolp repetitions))
(setq forms (cons repetitions forms)
repetitions 1))
(let ((i (make-symbol "i"))
@ -58,7 +58,7 @@ See also `benchmark-run-compiled'."
(gc (make-symbol "gc")))
`(let ((,gc gc-elapsed)
(,gcs gcs-done))
(list ,(if (> repetitions 1)
(list ,(if (or (symbolp repetitions) (> repetitions 1))
;; Take account of the loop overhead.
`(- (benchmark-elapse (dotimes (,i ,repetitions)
,@forms))
@ -101,7 +101,7 @@ the command prompts for the form to benchmark.
For non-interactive use see also `benchmark-run' and
`benchmark-run-compiled'."
(interactive "p\nxForm: ")
(let ((result (eval `(benchmark-run ,repetitions ,form))))
(let ((result (eval `(benchmark-run ,repetitions ,form) t)))
(if (zerop (nth 1 result))
(message "Elapsed time: %fs" (car result))
(message "Elapsed time: %fs (%fs in %d GCs)" (car result)