Gentoo Archives: gentoo-user

From: Mick <michaelkintzios@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Kernel schedulers
Date: Sun, 16 Dec 2007 18:44:23
Message-Id: 200712161836.22638.michaelkintzios@gmail.com
In Reply to: Re: [gentoo-user] Kernel schedulers by forgottenwizard
1 On Saturday 15 December 2007, forgottenwizard wrote:
2 > On 15:27 Thu 13 Dec , Jason Carson wrote:
3 > > Greetings,
4 > >
5 > > Where in the kernel config (make menuconfig) do I find the choice for
6 > > schedulers. The one I am currently using is "Anticipatory". What is the
7 > > newest and latest scheduler for 2.6.23?
8 > >
9 > > Regards,
10 > >
11 > > Jason Carson
12 > >
13 > > --
14 > > gentoo-user@g.o mailing list
15 >
16 > Like someone else mentioned, you can switch the sched on the fly, and
17 > quite easily. From what I have seen myself:
18 >
19 > Anticipatory seems to be, at times, faster than deadline, but not by
20 > much. It tries to predict what will be needed next, where as deadline
21 > makes reads/writes based on which will be the fastest (recomended for
22 > databases and such iirc).
23 >
24 > In my experiance, CFQ has always been the slowest. It gives everything
25 > even time, and seems to cause alot more head movement than the other
26 > two, which is a pain.
27 >
28 > Best bet is to compile them all in, and switch them out to see what
29 > works best. For me that seems to be deadline (btw, I am running a
30 > desktop), but testing would be the best thing.
31
32 Is testing a matter of how 'it feels' to use the desktop type-of-thing, or is
33 it a matter of trying to start/run multiple apps against a stop-watch?
34
35 I have used anticipatory and CFQ on my laptop and I am not sure that I can
36 tell the difference . . .
37 --
38 Regards,
39 Mick

Attachments

File name MIME type
signature.asc application/pgp-signature

Replies

Subject Author
Re: [gentoo-user] Kernel schedulers forgottenwizard <phrexianreaper@××××××××.com>