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From: "belyshev at lubercy dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/15678] [4.0 Regression] Compilation time increased by 10-20%
Date: Fri, 17 Dec 2004 17:57:00 -0000	[thread overview]
Message-ID: <20041217175717.22954.qmail@sourceware.org> (raw)
In-Reply-To: <20040527100445.15678.gertom@inf.u-szeged.hu>


------- Additional Comments From belyshev at lubercy dot com  2004-12-17 17:57 -------
                3.4.4           4.0.0 (*A)      4.0.0 (*B)      deltaA  deltaB

time to compile one empty function, ms:

cc1-O0          0.4334          0.5908          0.5836           36%     35%
cc1plus-O0      0.6155          0.4700          0.4613          -24%    -25%

cc1-O2          0.8090          1.3886          1.3090           71%     62%
cc1plus-O2      0.9213          1.4436          1.3767           57%     49%


startup time, i.e. time to "compile" empty file, ms:

cc1-O0          18.3            18.1            17.4             -1%     -5%
cc1plus-O0      22.2            21.0            20.4             -5%     -8%

cc1-O2          20.4            19.3            19.1             -5%     -6%
cc1plus-O2      23.7            22.3            21.7             -6%     -8%


*A -- gcc 4.0.0 20041217 compiled by gcc 3.4.4 20041217
*B -- gcc 4.0.0 20041217 compiled by itself.

All errors are within 0.05 .. 0.5 %


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2004-11-16 21:59:16         |2004-12-17 17:57:14
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15678


  parent reply	other threads:[~2004-12-17 17:57 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-27 19:40 [Bug translation/15678] New: " gertom at inf dot u-szeged dot hu
2004-05-27 19:46 ` [Bug translation/15678] " gertom at inf dot u-szeged dot hu
2004-05-27 19:59 ` giovannibajo at libero dot it
2004-05-27 20:45 ` [Bug translation/15678] [3.5 Regression] " pinskia at gcc dot gnu dot org
2004-05-27 20:54 ` gertom at inf dot u-szeged dot hu
2004-05-27 21:01 ` [Bug tree-optimization/15678] " pinskia at gcc dot gnu dot org
2004-05-27 21:06 ` pinskia at gcc dot gnu dot org
2004-05-27 21:36 ` belyshev at lubercy dot com
2004-05-28  8:06 ` belyshev at lubercy dot com
2004-05-28  9:23 ` pinskia at gcc dot gnu dot org
2004-05-28 21:22 ` belyshev at lubercy dot com
2004-05-28 22:34 ` belyshev at lubercy dot com
2004-06-28  7:56 ` pinskia at gcc dot gnu dot org
2004-06-28  8:00 ` pinskia at gcc dot gnu dot org
2004-09-28  8:06 ` [Bug tree-optimization/15678] [4.0 " belyshev at lubercy dot com
2004-10-25 23:22 ` pinskia at gcc dot gnu dot org
2004-11-13  7:45 ` pinskia at gcc dot gnu dot org
2004-11-13 14:37 ` giovannibajo at libero dot it
2004-11-16 21:59 ` belyshev at lubercy dot com
2004-11-17  0:09 ` pinskia at gcc dot gnu dot org
2004-11-27  4:30 ` belyshev at lubercy dot com
2004-12-17  8:44 ` steven at gcc dot gnu dot org
2004-12-17 17:57 ` belyshev at lubercy dot com [this message]
2005-02-02  8:28 ` [Bug tree-optimization/15678] [4.0 Regression] CSiBE i686 compilation time increased by 10% at -O2 steven at gcc dot gnu dot org
2005-02-14 15:52 ` [Bug tree-optimization/15678] [4.0 Regression] CSiBE i686 compilation time increased by 8% " steven at gcc dot gnu dot org
2005-04-21  5:03 ` [Bug tree-optimization/15678] [4.0/4.1 " mmitchel at gcc dot gnu dot org
2005-07-08  1:45 ` mmitchel at gcc dot gnu dot org
2005-07-25  3:18 ` pinskia at gcc dot gnu dot org
2005-07-25  3:27 ` pinskia at gcc dot gnu dot org
2005-09-27 16:22 ` mmitchel at gcc dot gnu dot org

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