Gentoo Archives: gentoo-user

From: Walter Dnes <waltdnes@××××××××.org>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: gcc with graphite flag?
Date: Sun, 30 Apr 2017 20:53:22
Message-Id: 20170430205301.GA28878@waltdnes.org
In Reply to: [gentoo-user] Re: gcc with graphite flag? by Nikos Chantziaras
1 On Sun, Apr 30, 2017 at 11:34:44PM +0300, Nikos Chantziaras wrote
2 > On 04/30/2017 10:36 PM, Walter Dnes wrote:
3 > >
4 > > For Pale Moon, the developers want...
5 > >
6 > > -floop-parallelize-all -fpredictive-commoning -ftree-loop-distribution -ftree-vectorize
7 > >
8 > > I follow those specs when doing a contributed build.
9 >
10 > Are these using graphite though?
11
12 Yes. Non-graphite GCC errors out if I include them in
13 CFLAGS/CXXFLAGS. Try for yourself. Include those flags, if you don't
14 have graphite, and try to build something. See also
15 https://gcc.gnu.org/wiki/Graphite/Parallelization
16
17 > First step of autopar in Graphite has been done. You can trigger it
18 > by 2 flags -floop-parallelize-all -ftree-parallelize-loops=4. Both
19 > of them is needed, the first flag will trigger Graphite pass to mark
20 > loops that can be parallel and the second flag will trigger the code
21 > generation part.
22
23 --
24 Walter Dnes <waltdnes@××××××××.org>
25 I don't run "desktop environments"; I run useful applications