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 19:37:37
Message-Id: 20170430193632.GA28271@waltdnes.org
In Reply to: [gentoo-user] Re: gcc with graphite flag? by Nikos Chantziaras
1 On Sun, Apr 30, 2017 at 10:09:16PM +0300, Nikos Chantziaras wrote
2 > On 04/30/2017 05:04 PM, J. Roeleveld wrote:
3 > > On Sunday, April 30, 2017 2:18:42 PM CEST Nikos Chantziaras wrote:
4 > >>
5 > >> Btw, I don't think that USE flag is useful for anything, unless you put
6 > >> the graphite optimization flags in your CFLAGS (-floop-interchange
7 > >> -floop-strip-mine -floop-block). If you don't use those, there shouldn't
8 > >> be a reason to enable the graphite flag.
9 > >
10 > >
11 > > Is there any benefit from using graphite and these CFLAGS on a current
12 > > Gentoo system?
13 > >
14 > > Using a simple google-search, I can't find anything recent.
15 >
16 > What Rasmus said, but the differences aren't going to be noticeable in
17 > general use. For heavy number crunching (like video encoding) or huge
18 > batch jobs or high-traffic servers maybe, but for normal desktop PC use
19 > there's not going to be a difference.
20
21 For Pale Moon, the developers want...
22
23 -floop-parallelize-all -fpredictive-commoning -ftree-loop-distribution -ftree-vectorize
24
25 I follow those specs when doing a contributed build.
26
27 --
28 Walter Dnes <waltdnes@××××××××.org>
29 I don't run "desktop environments"; I run useful applications

Replies

Subject Author
[gentoo-user] Re: gcc with graphite flag? Nikos Chantziaras <realnc@×××××.com>