----- "Michal Nowak" <[email protected]> wrote:
> ----- "Michal Nowak" <[email protected]> wrote:
>
> > ----- "Jakub Jelinek" <[email protected]> wrote:
> >
> > > On Mon, Mar 08, 2010 at 09:24:29AM -0500, Frank Ch. Eigler wrote:
> > > > Michal Nowak <[email protected]> writes:
> > > >
> > > > > Past months I spent investigating `gold' - the new GNU linker
> > > > > and how it now works with stock Fedora packages.
> > > > > [...]
> > > >
> > > > Do your scripts provide some evidence of exciting speedups with
> > > gold?
> > >
> > > Or slowdowns?
> >
> > ...
> > However now I am rebuilding Qt -
> > I believe this one will be far more telling since it's big (250 MB
> > in resulted RPMs), in C++ and my stock F-12 machine needed 2h to
> > finish the task when built with F-12 binutils.
>
> ld: CVS snapshot from date: 20100309
> Package: qt-4.5.3-7.fc12
> Time: 2:05:21
> Size: 258M
> Status: PASS
>
> ld: binutils-2.19.51.0.14-37.fc12 (likely, just a guess)
> Package: qt-4.5.3-7.fc12
> Time: 2:03:13
> Size: 255M
> Status: PASS
>
> Perhaps wrong example...
ld: binutils-2.19.51.0.14-37.fc12
gold: CVS snapshot from date: 20100309
Originaly I scheduled: "prelink openssl openssh ecryptfs-utils xcb-util gtk2
kdebase-workspace python perl ruby vlc glib2 glibc rhythmbox totem qt gcc
kernel firefox xulrunner thunderbird ImageMagick binutils" but some of them
failed to build so it's pointless to show 'how long they have run'. Plus I
forgot on qt in 'ld-run' but we know it runs ~2h already.
<-------time-------> <-------size------->
Package Name | ld gold ld gold
----------------------------+--------------------------------------------------
ecryptfs-utils-83-1 | 1:59.00 1:44.81 472K 480K
xcb-util-0.3.6-1 | 0:45.35 0:55.18 176K 176K
gtk2-2.18.4-1 | 5:48.15 7:58.26 17M 17M
perl-5.10.0-86 | 5:29.73 6:29.14 21M 21M
ruby-1.8.6.383-4 | 8:17.27 8:50.03 11M 11M
firefox-3.5.4-1 | 8:13.27 8:12.25 15M 15M
xulrunner-1.9.1.4-1 | 17:00.39 31:26.24 66M 67M
thunderbird-3.0-3.13.rc2 | 19:31.32 37:25.40 87M 88M
ImageMagick-6.5.4.7-3 | 6:53.47 7:06.74 9.5M 9.6M
----------------------------+--------------------------------------------------
Time in [ minute:second.fraction ] format. Size is human readable.
Apart from xulrunner and thunderbird where gold looses dozens percent, results
are comparable.
Michal
>
> Michal
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