Re: [gentoo-amd64] x86_64 optimization patches for glibc.

[netpython <phaceton@gmail.com>]

Should i use -march=k8 or -march=athlon64 ? Or doesn't make any
difference? My CPU is a AMD64 3000+



On 7/23/05, Simon Strandman <simon.strandman@telia.com> wrote:
> 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@telia.com>
> 
> --
> gentoo-amd64@gentoo.org mailing list
> 
>

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