Gentoo Archives: gentoo-dev

From: Sebastian Werner <sebastian@××××××××××××××××××.de>
To: gentoo-dev@g.o
Subject: Re: [gentoo-dev] KDE speed - wow
Date: Mon, 08 Apr 2002 15:47:05
Message-Id: 20020408224703.41a0c1f6.sebastian@werner-productions.de
In Reply to: Re: [gentoo-dev] KDE speed - wow by "Preston A. Elder"
1 No idea...
2
3 on packages which seems not compile lucky I use
4 only -O3 -march=i686 -pipe
5
6 for example
7 kdemultimedia-3 havbe a problem in /arts/tools
8
9 Sebastian
10
11 On 08 Apr 2002 13:48:10 -0400
12 "Preston A. Elder" <prez@××××.net> wrote:
13
14 > A word of warning. The -funroll-loops optimization CAN cause problems
15 > with GCC 3.0.x. I used to use all of the below optimizations myself,
16 > until I found -funroll-loops was more trouble than its worth (I had
17 > several programs I actively debugged, only to find it was an
18 > optimization error, and removing that particular optimization fixed the
19 > problem -- the code itself looked fine).
20 >
21 > Just a friendly note. I dont believe theres a problem with
22 > -funroll-loops on gcc 2.95.x.
23 >
24 > On Mon, 2002-04-08 at 11:13, Sebastian Werner wrote:
25 > > Hey,
26 > >
27 > > i compiled a fresh kde 3 desktop and all I could say...
28 > >
29 > > wow what a speed!!! Never dream about KDE could have this speed and eyecandynes.
30 > >
31 > > I use gcc-3.0.4 with the following cflags:
32 > > -march=i686 -O3 -pipe -fforce-addr -funroll-loops -fomit-frame-pointer -frerun-cse-after-loop -frerun-loop-opt -malign-functions=4
33 > >
34 > > the newest binutils (2.12.90.0.3) package with active combreloc
35 > >
36 > > and the default gentoo kernel with all it's speed enhancements... ;-)
37 > >
38 > > Sebastian
39 > > _______________________________________________
40 > > gentoo-dev mailing list
41 > > gentoo-dev@g.o
42 > > http://lists.gentoo.org/mailman/listinfo/gentoo-dev
43 > --
44 > PreZ
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