Gentoo Archives: gentoo-amd64

From: Dan Pasanen <dan.pasanen@×××××.com>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] First Impressions
Date: Thu, 28 Sep 2006 03:43:49
Message-Id: 4f8d9c0c0609272040j3d673bjb0a114ea3b49051@mail.gmail.com
In Reply to: Re: [gentoo-amd64] First Impressions by "Boyd Stephen Smith Jr."
1 Ok, im not too sure about this, but i was wondering, i have dual core
2 turion64's should that affect if im running -O2 or -O3? currently im running
3 -O2. and if i did change it to -O3, what, if anything should i recompile?
4
5 On 9/27/06, Boyd Stephen Smith Jr. <bss03@××××××××××.net> wrote:
6 >
7 > On Wednesday 27 September 2006 19:56, Daniel Iliev <danny@××××××××.com>
8 > wrote about 'Re: [gentoo-amd64] First Impressions':
9 > > Boyd Stephen Smith Jr. wrote:
10 > > > On Wednesday 27 September 2006 11:11, "Hemmann, Volker Armin"
11 > > > <volker.armin.hemmann@××××××××××××.de> wrote about 'Re: [gentoo-amd64]
12 > > >
13 > > > First Impressions':
14 > > >> -O3 don't do it. O2 is much, much safer and not really slower. It
15 > > >> will prevent a lot of breakage.
16 > > > -O3 breaking just doesn't happen anymore.
17 > > > Also, some applications break with just -O2.
18 > > > Now, it is an open question whether -O3 is significantly faster than
19 > > > -O2. My
20 > > > recommendation is -O3. :)
21 > > I've always used "-O3".
22 > > I think I've read somewhere in *.gentoo.org that It should be reported
23 > > if a "testing" version works fine so it could get in the stable tree
24 > > faster.
25 >
26 > Please only file a stabilization bug if (a) there are no open bug reports
27 > on the version you want stabilized (b) all dependencies of the that
28 > version can be satisfied with stable packages on the ARCH you want
29 > stabilized AND (c) at least 30 days have passed since the ebuild for that
30 > version has been modified.
31 >
32 > There has to be some time between an ebuild being available and it
33 > becoming
34 > stable to test on setups that aren't exactly like yours. I know (some)
35 > people want things declared stable ASAP, but declaring a package stable
36 > doesn't make it so and there are (many, many) people that want stable
37 > Gentoo to actually be stable. E.g. they do real work on the system. :P
38 >
39 > > Should this "replace-flags" stuff be reported when the package
40 > > compiles successfully with "-O3"?
41 >
42 > I fear you may find such bugs closed as WONTFIX/INVALID fairly quickly,
43 > especially if you started reporting en masse. That said, if you have a
44 > compelling reason to use -O3 instead of what it is replaced with (not
45 > just "it works for me") for a specific package, I'd say file the bug, but
46 > be sure to include the reason(s) the replacement doesn't work for you.
47 >
48 > --
49 > "If there's one thing we've established over the years,
50 > it's that the vast majority of our users don't have the slightest
51 > clue what's best for them in terms of package stability."
52 > -- Gentoo Developer Ciaran McCreesh
53 >
54 >
55 >

Replies

Subject Author
Re: [gentoo-amd64] First Impressions Daniel Iliev <danny@××××××××.com>