* [Bug rtl-optimization/16613] [3.4/4.0? Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
@ 2004-09-28 13:30 ` pinskia at gcc dot gnu dot org
2004-11-01 0:46 ` mmitchel at gcc dot gnu dot org
` (6 subsequent siblings)
7 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-28 13:30 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Summary|[3.4/3.5? Regression] |[3.4/4.0? Regression]
|compile time regression, |compile time regression,
|when adding cerr usage |when adding cerr usage
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/16613] [3.4/4.0? Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
2004-09-28 13:30 ` [Bug rtl-optimization/16613] [3.4/4.0? Regression] " pinskia at gcc dot gnu dot org
@ 2004-11-01 0:46 ` mmitchel at gcc dot gnu dot org
2005-05-01 23:42 ` [Bug rtl-optimization/16613] [3.4/4.0 " andre dot maute at gmx dot de
` (5 subsequent siblings)
7 siblings, 0 replies; 10+ messages in thread
From: mmitchel at gcc dot gnu dot org @ 2004-11-01 0:46 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From mmitchel at gcc dot gnu dot org 2004-11-01 00:46 -------
Postponed until GCC 3.4.4.
--
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.4.3 |3.4.4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/16613] [3.4/4.0 Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
2004-09-28 13:30 ` [Bug rtl-optimization/16613] [3.4/4.0? Regression] " pinskia at gcc dot gnu dot org
2004-11-01 0:46 ` mmitchel at gcc dot gnu dot org
@ 2005-05-01 23:42 ` andre dot maute at gmx dot de
2005-05-05 20:12 ` andre dot maute at gmx dot de
` (4 subsequent siblings)
7 siblings, 0 replies; 10+ messages in thread
From: andre dot maute at gmx dot de @ 2005-05-01 23:42 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From andre dot maute at gmx dot de 2005-05-01 23:42 -------
i have run my compile time test again,
here are the timings and something has gone worse after 2005/03/26
> g++-4.0-20050326 -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../gcc-4.0-20050326/configure --prefix=/opt/gcc-4.0-20050326
--program-suffix=-4.0-20050326 --enable-shared --enable-languages=c,c++
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--disable-nls --disable-checking --with-arch=pentium3
Thread model: posix
gcc version 4.0.0 20050326 (prerelease)
> g++-4.0-20050409 -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../gcc-4.0-20050409/configure --prefix=/opt/gcc-4.0-20050409
--program-suffix=-4.0-20050409 --enable-shared --enable-languages=c,c++
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--disable-nls --disable-checking --with-arch=pentium3
Thread model: posix
gcc version 4.0.0 20050409 (prerelease)
> g++-4.0-20050430 -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../gcc-4.0-20050430/configure --prefix=/opt/gcc-4.0-20050430
--program-suffix=-4.0-20050430 --enable-shared --enable-languages=c,c++
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--disable-nls --disable-checking --with-arch=pentium3
Thread model: posix
gcc version 4.0.1 20050430 (prerelease)
> time g++-4.0-20050326 -c -O3 -D __NDEBUG__ compiletimetest2.cc
real 0m16.128s user 0m15.775s sys 0m0.282s
> time g++-4.0-20050326 -c -O3 -D __DEBUG__ compiletimetest2.cc
real 0m18.842s user 0m18.326s sys 0m0.488s
> time g++-4.0-20050409 -c -O3 -D __NDEBUG__ compiletimetest2.cc
real 0m52.158s user 0m51.030s sys 0m1.012s
> time g++-4.0-20050409 -c -O3 -D __DEBUG__ compiletimetest2.cc
real 0m55.566s user 0m54.460s sys 0m0.996s
> time g++-4.0-20050430 -c -O3 -D __NDEBUG__ compiletimetest2.cc
real 0m52.450s user 0m51.277s sys 0m0.982s
> time g++-4.0-20050430 -c -O3 -D __DEBUG__ compiletimetest2.cc
real 0m55.270s user 0m54.364s sys 0m0.906s
the assemply file generated with g++-4.0-20050409 is twice as large than that
generated with g++-4.0-20050326 using the option "-save-temps"
> g++-4.0-20050326 -c -O3 -D __NDEBUG__ compiletimetest2.cc -save-temps
> ls -al compiletimetest2.cc
-rw-r--r-- 1 login500 users 621326 May 2 01:36 compiletimetest2.s
> g++-4.0-20050409 -c -O3 -D __NDEBUG__ compiletimetest2.cc -save-temps
> ls -al compiletimetest2.cc
-rw-r--r-- 1 login500 users 1186872 May 2 01:34 compiletimetest2.s
> g++-4.0-20050430 -c -O3 -D __NDEBUG__ compiletimetest2.cc -save-temps
> ls -al compiletimetest2.cc
-rw-r--r-- 1 login500 users 1186872 May 2 01:37 compiletimetest2.s
using -ftime-reports reveals only that nearly every optimization pass has gone
worse.
Regards Andre
--
What |Removed |Added
----------------------------------------------------------------------------
Summary|[3.4 Regression] compile |[3.4/4.0 Regression] compile
|time regression, when adding|time regression, when adding
|cerr usage |cerr usage
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/16613] [3.4/4.0 Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
` (2 preceding siblings ...)
2005-05-01 23:42 ` [Bug rtl-optimization/16613] [3.4/4.0 " andre dot maute at gmx dot de
@ 2005-05-05 20:12 ` andre dot maute at gmx dot de
2005-05-19 17:46 ` mmitchel at gcc dot gnu dot org
` (3 subsequent siblings)
7 siblings, 0 replies; 10+ messages in thread
From: andre dot maute at gmx dot de @ 2005-05-05 20:12 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From andre dot maute at gmx dot de 2005-05-05 20:12 -------
i want to supplement my compile time tests which shows that a regression
was introduced between 2005/03/26 an 2005/04/02
> g++-4.0-20050402 -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../gcc-4.0-20050402/configure --prefix=/opt/gcc-4.0-20050402
--program-suffix=-4.0-20050402 --enable-shared --enable-languages=c,c++
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--disable-nls --disable-checking --with-arch=pentium3
Thread model: posix
gcc version 4.0.0 20050402 (prerelease)
> time g++-4.0-20050402 -c -O3 -D __NDEBUG__ compiletimetest2.cc
real 0m52.126s user 0m51.187s sys 0m0.777s
> time g++-4.0-20050402 -c -O3 -D __DEBUG__ compiletimetest2.cc
real 0m55.409s user 0m54.280s sys 0m0.935s
> g++-4.0-20050402 -c -O3 -D __NDEBUG__ compiletimetest2.cc -save-temps
> ls -al compiletimetest2.s
-rw-r--r-- 1 login500 users 1186149 May 5 22:05 compiletimetest2.s
Regards Andre
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/16613] [3.4/4.0 Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
` (3 preceding siblings ...)
2005-05-05 20:12 ` andre dot maute at gmx dot de
@ 2005-05-19 17:46 ` mmitchel at gcc dot gnu dot org
2005-07-22 21:16 ` pinskia at gcc dot gnu dot org
` (2 subsequent siblings)
7 siblings, 0 replies; 10+ messages in thread
From: mmitchel at gcc dot gnu dot org @ 2005-05-19 17:46 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.4.4 |3.4.5
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/16613] [3.4/4.0 Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
` (4 preceding siblings ...)
2005-05-19 17:46 ` mmitchel at gcc dot gnu dot org
@ 2005-07-22 21:16 ` pinskia at gcc dot gnu dot org
2005-08-09 20:52 ` rth at gcc dot gnu dot org
2005-09-27 16:23 ` mmitchel at gcc dot gnu dot org
7 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-07-22 21:16 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-22 21:13 -------
Moving to 4.0.2 pre Mark.
--
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.4.5 |4.0.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/16613] [3.4/4.0 Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
` (5 preceding siblings ...)
2005-07-22 21:16 ` pinskia at gcc dot gnu dot org
@ 2005-08-09 20:52 ` rth at gcc dot gnu dot org
2005-09-27 16:23 ` mmitchel at gcc dot gnu dot org
7 siblings, 0 replies; 10+ messages in thread
From: rth at gcc dot gnu dot org @ 2005-08-09 20:52 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|critical |normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/16613] [3.4/4.0 Regression] compile time regression, when adding cerr usage
2004-07-18 10:11 [Bug c++/16613] New: " andre dot maute at gmx dot de
` (6 preceding siblings ...)
2005-08-09 20:52 ` rth at gcc dot gnu dot org
@ 2005-09-27 16:23 ` mmitchel at gcc dot gnu dot org
7 siblings, 0 replies; 10+ messages in thread
From: mmitchel at gcc dot gnu dot org @ 2005-09-27 16:23 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.0.2 |4.0.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16613
^ permalink raw reply [flat|nested] 10+ messages in thread