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* time.scm (time): Reimplemented as a procedure call.

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(Thanks to Marius Vollmer)
This commit is contained in:
Keisuke Nishida 2001-03-21 02:25:48 +00:00
parent c40eb5944b
commit 3b9e23a7b6
2 changed files with 19 additions and 11 deletions
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5
ice-9/ChangeLog
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@ -1,3 +1,8 @@
2001-03-20 Keisuke Nishida <kxn30@po.cwru.edu>
* time.scm (time): Reimplemented as a procedure call.
(Thanks to Marius Vollmer)
2001-03-20 Keisuke Nishida <kxn30@po.cwru.edu> 2001-03-20 Keisuke Nishida <kxn30@po.cwru.edu>
* safe-r5rs.scm (list): Export. * safe-r5rs.scm (list): Export.

25
ice-9/time.scm
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@ -21,20 +21,23 @@
:use-module (ice-9 format) :use-module (ice-9 format)
:export (time)) :export (time))
(define-macro (time form) (define (time-proc proc)
(let* ((gc-start (gc-run-time)) (let* ((gc-start (gc-run-time))
(tms-start (times)) (tms-start (times))
(result (eval form (interaction-environment))) (result (proc))
(tms-end (times)) (tms-end (times))
(gc-end (gc-run-time))) (gc-end (gc-run-time)))
(define (get proc start end) (define (get proc start end)
(/ (- (proc end) (proc start)) internal-time-units-per-second)) (/ (- (proc end) (proc start)) internal-time-units-per-second))
(display "clock utime stime cutime cstime gctime\n") (display "clock utime stime cutime cstime gctime\n")
(format #t "~5,2F ~5,2F ~5,2F ~6,2F ~6,2F ~6,2F\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:clock tms-start tms-end)
(get tms:utime tms-start tms-end) (get tms:utime tms-start tms-end)
(get tms:stime tms-start tms-end) (get tms:stime tms-start tms-end)
(get tms:cutime tms-start tms-end) (get tms:cutime tms-start tms-end)
(get tms:cstime tms-start tms-end) (get tms:cstime tms-start tms-end)
(get id gc-start gc-end)) (get id gc-start gc-end))
result)) result))
(define-macro (time exp)
`(,time-proc (lambda () ,exp)))