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* time.scm: New file.

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Keisuke Nishida 2001-03-17 10:01:01 +00:00
parent 656dfde1bc
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ice-9/ChangeLog
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2001-03-17 Keisuke Nishida <kxn30@po.cwru.edu>
* time.scm: New file.
2001-03-17 Dirk Herrmann <D.Herrmann@tu-bs.de>
* oldprint.scm: Removed.

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ice-9/time.scm Normal file
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;;;; Copyright (C) 2001 Free Software Foundation, Inc.
;;;;
;;;; This program 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 2, or (at your option)
;;;; any later version.
;;;;
;;;; This program 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 this software; see the file COPYING. If not, write to
;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
;;;; Boston, MA 02111-1307 USA
;;;;
(define-module (ice-9 time)
:use-module (ice-9 format)
:export (time))
(define-macro (time form)
(let* ((gc-start (gc-run-time))
(tms-start (times))
(result (eval form (interaction-environment)))
(tms-end (times))
(gc-end (gc-run-time)))
(define (get proc start end)
(/ (- (proc end) (proc start)) internal-time-units-per-second))
(display "clock utime stime cutime cstime gctime\n")
(format #t "~5,2F ~5,2F ~5,2F ~6,2F ~6,2F ~6,2F\n"
(get tms:clock tms-start tms-end)
(get tms:utime tms-start tms-end)
(get tms:stime tms-start tms-end)
(get tms:cutime tms-start tms-end)
(get tms:cstime tms-start tms-end)
(get id gc-start gc-end))
result))