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From: | tk |
Subject: | [Bug-kawa] [bug #16388] performance regression |
Date: | Wed, 19 Apr 2006 22:12:40 +0000 |
User-agent: | Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8.0.2) Gecko/20060328 Firefox/1.5.0.2 |
URL: <http://savannah.gnu.org/bugs/?func=detailitem&item_id=16388> Summary: performance regression Project: Kawa Submitted by: huh Submitted on: Wednesday 04/19/06 at 22:12 Category: Code generation Severity: 3 - Normal Item Group: None Status: None Privacy: Public Assigned to: None Open/Closed: Open _______________________________________________________ Details: example of a substantial performance regression from kawa1.7 to kawa1.8a (latest CVS): version 1.7: #|kawa:93|# (time (let loop ((i 1000000)) (if (> i 0) (loop (- i 1))))) 269 ms elapsed #|kawa:94|# (time (let loop ((i :: <int> 1000000)) (if (> i 0) (loop (- i 1))))) 6 ms elapsed version 1.8a: #|kawa:47|# (time (let loop ((i 1000000)) (if (> i 0) (loop (- i 1))))) 6931 ms elapsed #|kawa:48|# (time (let loop ((i :: <int> 1000000)) (if (> i 0) (loop (- i 1))))) 6795 ms elapsed perhaps we should begin adding some performance checks to the test suite _______________________________________________________ Reply to this item at: <http://savannah.gnu.org/bugs/?func=detailitem&item_id=16388> _______________________________________________ Message sent via/by Savannah http://savannah.gnu.org/
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