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c.f. bug 424647
List Archive: gentoo-amd64
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To: gentoo-amd64@g.o
From: Simon Strandman <simon.strandman@...>
Subject: Re: x86_64 optimization patches for glibc.
Date: Sat, 23 Jul 2005 19:08:35 +0200
Allan Wang skrev:

>
>Hmm, I don't see much difference here.
>
>before:
>allan@aw ~ $ ./a.out 2420 1000 1048576
>Memory to memory copy rate = 1110.198486 MBytes / sec. Block size =
>1048576.
>
>after:
>aw allan # ./a.out 2420 1000 1048576
>Memory to memory copy rate = 1154.922974 MBytes / sec. Block size =
>1048576.
>
>Allan
>
>  
>
What kind och system do you have?

These are my spec:
AMD64 3500+ Winchester 2,2ghz
Asus A8N-SLI Deluxe (nforce4)
1024mb DDR dual channel

And emerge info:
isidor ~ # emerge info
Portage 2.0.51.22-r2 (default-linux/amd64/2005.0, gcc-3.4.4, 
glibc-2.3.5-r0, 2.6.12-ck3-r1 x86_64)
=================================================================
System uname: 2.6.12-ck3-r1 x86_64 AMD Athlon(tm) 64 Processor 3500+
Gentoo Base System version 1.6.13
dev-lang/python:     2.3.5
sys-apps/sandbox:    1.2.11
sys-devel/autoconf:  2.13, 2.59-r6
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.5
sys-devel/binutils:  2.16.1, 2.16.91.0.1
sys-devel/libtool:   1.5.18-r1
virtual/os-headers:  2.6.11-r2
ACCEPT_KEYWORDS="amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=athlon64 -fomit-frame-pointer -pipe -fno-ident"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config 
/usr/lib/X11/xkb /usr/share/config /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-O2 -march=athlon64 -fomit-frame-pointer -pipe -fno-ident 
-fvisibility-inlines-hidden -fno-enforce-eh-specs"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig distlocks sandbox sfperms strict"
GENTOO_MIRRORS="http://snigel.no-ip.com/ http://mirror.pudas.net/gentoo 
ftp://ftp.rhnet.is/pub/gentoo/ 
ftp://linux.rz.ruhr-uni-bochum.de/gentoo-mirror/ 
http://ftp.rhnet.is/pub/gentoo/"
LANG="sv_SE.UTF-8"
LC_ALL="sv_SE.UTF-8"
LDFLAGS="-Wl,-O1"
LINGUAS="sv"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="amd64 X aalib alsa artswrappersuid avi berkdb caps cdr crypt dga 
dlloader dvd dvdr dvdread encode f77 fbcon foomaticdb fortran gcj gif 
glibc-omitfp gnome gphoto2 gpm gtk gtk2 hal imlib ipv6 ithreads 
jack-tmpfs java javascript jpeg kdeenablefinal logitech-mouse lzw 
lzw-tiff mad mikmod mng mozilla mp3 mpeg ncurses nls nomalloccheck nptl 
nptlonly nvidia objc offensive oggvorbis opengl pdflib perl pic png pnp 
python qt quicktime readline samba sdl spell ssl svg tcpd threadstiff 
truetype truetype-fonts type1-fonts unicode usb userlocales 
visualization xine xml2 xmms xpm xv xvid zlib video_cards_nvidia 
linguas_sv userland_GNU kernel_linux elibc_glibc"
Unset:  ASFLAGS, CTARGET

-- 
Simon Strandman <simon.strandman@...>

-- 
gentoo-amd64@g.o mailing list


Replies:
Re: x86_64 optimization patches for glibc.
-- netpython
Re: x86_64 optimization patches for glibc.
-- Allan Wang
References:
x86_64 optimization patches for glibc.
-- Simon Strandman
Re: x86_64 optimization patches for glibc.
-- Allan Wang
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Updated Jun 17, 2009

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