Gentoo Archives: gentoo-dev

From: Paul de Vrieze <pauldv@g.o>
To: gentoo-dev@g.o
Subject: Re: [gentoo-dev] -fbranch-probabilities optimisation
Date: Sat, 17 May 2003 18:16:29
Message-Id: 200305172016.16436.pauldv@gentoo.org
In Reply to: Re: [gentoo-dev] -fbranch-probabilities optimisation by Chris Davies
1 On Saturday 17 May 2003 18:47, Chris Davies wrote:
2 > * Paul de Vrieze (pauldv@g.o) wrote:
3 > > If the profiles can be created correctly there should be nothing stopping
4 >
5 > The current release of gcc doesn't contain threadsafe profiling, and indeed
6 > may never do. The cfg branch, where this work is being carried out reports
7 > that merging threadsafe profiling with main is problematic, and the code
8 > may be dropped.
9 >
10 > Still, there a whole bunch of single thread programs that can benifit from
11 > this stuff, especially on architectures like x86 which have tiny numbers of
12 > registers.
13 >
14
15 Well, my condition was well chosen I guess. It's a pitty that it doesn't work.
16
17 Paul
18
19 --
20 Paul de Vrieze
21 Researcher
22 Mail: pauldv@××××××.nl
23 Homepage: http://www.devrieze.net