Gentoo Archives: gentoo-user

From: Volker Armin Hemmann <volkerarmin@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Kon Colivas is working again on a new scheduler for Desktop/Multimedia/Gaming PCs
Date: Sun, 06 Sep 2009 00:43:10
Message-Id: 200909060243.05334.volkerarmin@googlemail.com
In Reply to: [gentoo-user] Re: Kon Colivas is working again on a new scheduler for Desktop/Multimedia/Gaming PCs by Nikos Chantziaras
1 On Sonntag 06 September 2009, Nikos Chantziaras wrote:
2 > On 09/06/2009 02:23 AM, Volker Armin Hemmann wrote:
3 > > On Sonntag 06 September 2009, Alan McKinnon wrote:
4 > >> On Sunday 06 September 2009 00:48:40 Volker Armin Hemmann wrote:
5 > >>>> Also, have you considered that you got it all backwards? The kernel
6 > >>>> configuration tells you that for lower latencies, you should use
7 > >>>> 1000Hz and PREEMPT. It even says "Desktop" right there. Why should I
8 > >>>> take your word over that of the kernel devs who actually wrote that
9 > >>>> code?
10 > >>>
11 > >>> low latency means bad throughput and that hurts IO.
12 > >>
13 > >> The average desktop user on Linux needs low latency. To get that, one
14 > >> must sacrifice some throughput efficiency.
15 > >
16 > > and then complain, that IO hurts?
17 >
18 > No one complains that IO hurts. Perhaps you aren't even reading. The
19 > complaints are about GUI stalls. Not slow IO.
20
21 yeah, and most GUI stalls happen with big io. ooops.
22
23 >
24 > > btw, I think, I am an average user, doing the average stuff, and I am
25 > > pretty happy with 'voluntary preemption'.
26 >
27 > We are not.
28
29 'we'.
30
31
32 >
33 > >> have you considered that there is a large population of users whose
34 > >> needs and workload are totally different from yours and therefore
35 > >> require something completely different to you?
36 > >
37 > > yes, but I consider my workload average. Surfing the web, watching tv,
38 > > watching movies with xine/vlc/mplayer. Listening to music with amarok and
39 > > alsaplayer. Typing stuff. Sometimes skype. Burning a dvd once in a while.
40 > > vegastrike, ut2004, if I want to play a game.
41 > >
42 > > See? Average.
43 > >
44 > > Now 32 sound streams in ardour (or whatever tool you use for that), that
45 > > is hardly 'average'.
46 >
47 > Doesn't matter if it's not average. What does matter is that Linux is
48 > not up to the task while Windows and OS X are.
49 >
50
51 and windows has a completly different, gui centric architecture. Oh, and for
52 serious audio stuff you need special low latency drivers. Humpf.
53
54 So what was your point again? Windows needs special drivers for serious audio
55 stuff - and people are complaining that they have to turn on rt in linux for
56 the same tasks?

Replies