Gentoo Archives: gentoo-dev

From: Sven Vermeulen <swift@g.o>
To: gentoo-dev@g.o
Subject: Re: [gentoo-dev] -fbranch-probabilities optimisation
Date: Sat, 17 May 2003 11:42:53
In Reply to: [gentoo-dev] -fbranch-probabilities optimisation by Chris Davies
1 On Sat, May 17, 2003 at 03:49:11AM +0100, Chris Davies wrote:
2 > I had the idea to build -fbranch-probabilities optimisation into portage.
3 > This is where a sample run of data is taken using the program compiled with
4 > -fprofile-arcs, and that data then used to reorganise the object code so
5 > conditional branches are layed out in a more efficient manner.
7 Why implement it in Portage? Isn't it up to the user to define it in the
8 CFLAGS or not?
10 Wkr,
11 Sven Vermeulen
13 --
14 Thanks to DRM, you know that something has been built in environment of
15 unspecified degree of security, from source you cannot check, written by
16 programmers you don't know, released after passing QA of unknown quality and
17 which is released under a license that disclaims any responsibility...


Subject Author
Re: [gentoo-dev] -fbranch-probabilities optimisation Matt Tucker <tuck@×××××××××××××.net>
Re: [gentoo-dev] -fbranch-probabilities optimisation Werner Van Belle <werner.van.belle@××××××.be>