Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-13 Thread Sanjoy Mahajan
> a previous discussion that said 4 was the default...I don't see > why. nice uses +10 by default on all linux distro...So I suspect > that if Mike just used "nice lame" instead of "nice +5 lame", he > would have got what he wanted. tcsh, and probably csh, has a builtin 'nice' with default +4. So

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-13 Thread Xavier Bestel
On Tue, 2007-03-13 at 20:31 +1100, Con Kolivas wrote: > nice on my debian etch seems to choose nice +10 without arguments contrary to > a previous discussion that said 4 was the default. However 4 is a good value > to use as a base of sorts. I don't see why. nice uses +10 by default on all linux

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-13 Thread Con Kolivas
On Tuesday 13 March 2007 20:21, Con Kolivas wrote: > On Tuesday 13 March 2007 19:18, Ingo Molnar wrote: > > * Mike Galbraith <[EMAIL PROTECTED]> wrote: > > > [...] The situation as we speak is that you can run cpu intensive > > > tasks while watching eye-candy. With RSDL, you can't, you feel the >

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread Mike Galbraith
On Tue, 2007-03-13 at 17:16 +1100, Con Kolivas wrote: > On Tuesday 13 March 2007 17:08, Mike Galbraith wrote: > > Virtual or physical cores has nothing to do with the interactivity > > regression I noticed. Two nice 0 tasks which combined used 50% of my > > box can no longer share that box with tw

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread Con Kolivas
On Tuesday 13 March 2007 17:08, Mike Galbraith wrote: > Virtual or physical cores has nothing to do with the interactivity > regression I noticed. Two nice 0 tasks which combined used 50% of my > box can no longer share that box with two nice 5 tasks and receive the > 50% they need to perform. Th

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread Mike Galbraith
On Mon, 2007-03-12 at 17:38 -0400, michael chang wrote: > Perhaps, Mike Galbraith, do you feel that it should be possible to use > the CPU at 100% for some task and still maintain excellent > interactivity? Within reason, yes. Defining "reason" is difficult. As we speak, this is possible to a m

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread Rodney Gordon II
On Tuesday 13 March 2007 00:53, Con Kolivas wrote: > On Tuesday 13 March 2007 16:10, Mike Galbraith wrote: > > On Tue, 2007-03-13 at 09:51 +1100, Con Kolivas wrote: > > > On 13/03/07, Mike Galbraith <[EMAIL PROTECTED]> wrote: > > > > As soon as your cpu is fully utilized, fairness looses or > > > >

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread Thibaut VARENE
On 3/12/07, michael chang <[EMAIL PROTECTED]> wrote: Considering the concepts put out by projects such as BOINC and [EMAIL PROTECTED], I wouldn't be thoroughly surprised by this ideology, although I do question the particular way this test case is being run. If Con actually implements SCHED_ID

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread michael chang
On 3/12/07, Con Kolivas <[EMAIL PROTECTED]> wrote: On Tuesday 13 March 2007 07:11, Mike Galbraith wrote: > On Tue, 2007-03-13 at 05:49 +1100, Con Kolivas wrote: > > On Tuesday 13 March 2007 01:34, Mike Galbraith wrote: > > > On Mon, 2007-03-12 at 22:23 +1100, Con Kolivas wrote: > > > > Mike the c

Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread jos poortvliet
Op Monday 12 March 2007, schreef Con Kolivas: > > > If we fix 95% of the desktop and worsen 5% is that bad given how much > > > else we've gained in the process? > > > > Killing the known corner case starvation scenarios is wonderful, but > > let's not just pretend that interactive tasks don't have