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From: "Valery V. Inozemtsev" <shrek@freesource.info>
To: ALT Devel discussion list <devel@lists.altlinux.org>
Subject: Re: [devel] gcc optimization
Date: Thu, 6 Apr 2006 10:42:23 +0400
Message-ID: <200604061042.26864.shrek@freesource.info> (raw)
In-Reply-To: <200604061018.07918.shrek@freesource.info>

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В сообщении от 6 апреля 2006 10:17 Valery V. Inozemtsev написал(a):
> > > Хотелось бы увидеть табличку работоспособности libxine-1.1.1-alt2 на
> > > этом P3, с разными ключами (march=i586
> > > -mtune={i586,i686,pentium2,pentium3,pentium4}) в двух средах (compact,
> > > sisyphus).
> >
> > пересоберу, сообщю
>
> пересборка на сизифе с -mtune=pentium2 ничего не меряет (та же загрузка
> проца на 100%). с остальными ключами пересобирать не вижу смысла.
> щас попробую на компакте заменить -mtune=pentium на -mtune=pentium4

как все интересно на компакте
i586-alt-linux-gcc -DHAVE_CONFIG_H -I. -I. -I../../.. -I../../.. 
-I../../../include -I../../../include -I../../../src 
-I../../../src/xine-engine -I../../../src/xine-engine 
-I../../../src/xine-utils -I../../../src/input -I../../../src/input 
-I../../../lib -I../../../src/libffmpeg/libavutil -DSIMPLE_IDCT 
-DHAVE_AV_CONFIG_H -DRUNTIME_CPUDETECT -DUSE_FASTMEMCPY -DCONFIG_RISKY 
-DCONFIG_DECODERS -DXINE_MPEG_ENCODER -DCONFIG_ZLIB -DCONFIG_GPL 
-mtune=pentium -O3 -pipe -fomit-frame-pointer -falign-functions=4 
-falign-loops=4 -falign-jumps=4 -mpreferred-stack-boundary=2 
-fexpensive-optimizations -fschedule-insns2 -fno-strict-aliasing -ffast-math 
-finline-functions -Wall -Wnested-externs -Wcast-align -Wchar-subscripts 
-Wmissing-declarations -Wmissing-prototypes -DNDEBUG -D_REENTRANT 
-D_FILE_OFFSET_BITS=64 -DXINE_COMPILE -pipe -Wall -O2 -march=i586 -mcpu=i686 
-mtune=pentium4 -MT h263.lo -MD -MP -MF .deps/h263.Tpo -c h263.c  -fPIC -DPIC 
-o .libs/h263.o

результат даже не берусь предсказывать

-- 
Valery V. Inozemtsev

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  reply	other threads:[~2006-04-06  6:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-05  5:46 Valery V. Inozemtsev
2006-04-05  6:03 ` Anton Gorlov
2006-04-05  8:20   ` Led
2006-04-05 22:23 ` Dmitry V. Levin
2006-04-06  5:28   ` Valery V. Inozemtsev
2006-04-06  6:17     ` Valery V. Inozemtsev
2006-04-06  6:42       ` Valery V. Inozemtsev [this message]
2006-04-06  7:00         ` Valery V. Inozemtsev
2006-04-06 12:50           ` Dmitry V. Levin
2006-04-06 13:29             ` Valery V. Inozemtsev
2006-04-06 13:52               ` Dmitry V. Levin
2006-04-06 14:18                 ` Valery V. Inozemtsev
2006-04-06 14:06               ` Led
2006-11-26 11:16             ` Alexey Tourbin

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