Gentoo Archives: gentoo-user

From: Volker Armin Hemmann <volkerarmin@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: sys-kernel/ck-sources - why should I use them?
Date: Tue, 20 Apr 2010 21:41:55
Message-Id: 201004202337.55038.volkerarmin@googlemail.com
In Reply to: [gentoo-user] Re: sys-kernel/ck-sources - why should I use them? by Nikos Chantziaras
1 On Dienstag 20 April 2010, Nikos Chantziaras wrote:
2 > On 04/20/2010 05:41 PM, Helmut Jarausch wrote:
3 > > On 20 Apr, Volker Armin Hemmann wrote:
4 > >> On Dienstag 20 April 2010, Helmut Jarausch wrote:
5 > >>> Hi,
6 > >>>
7 > >>> has anybody experience with these new sys-kernel/ck-sources?
8 > >>> I could only see they have additional patches (in addition to those
9 > >>> of gentoo-sources).
10 > >>> But I didn't find which patches and why these have only been applied to
11 > >>> ck-sources?
12 > >>>
13 > >>> Thanks for your opinion,
14 > >>> Helmut.
15 > >>
16 > >> if you have more than 2 cores, you shouldn't use them ;)
17 > >
18 > > Why, it's said to scale well up to 16 cores (at least)?
19 >
20 > It's practically *made* for 2 and 4 cores. Single core enhancements
21 > were added later.
22 >
23 > Volker's recommendations is based on his own tests with the patches.
24 > I'm on a dual core Intel E6600 and the patches help a big deal to keep
25 > the GUI responsive and fluid.
26 >
27 > Also note that there's much hate and fanboy-ism around this issue.
28 > Expect people telling you how this is crap, or how the default Linux
29 > scheduler is crap, etc, without them really having a clue what they're
30 > talking about. (I am *not* referring to Volker here, mind you.)
31
32 to be honest - whenever I try ck patches I see zero improvements - so I stay
33 with my usual kernel-policy: the less patches the better and scrap them.