Messages in this thread | | | Date | Mon, 07 Jan 2002 20:53:33 +0100 (CET) | Subject | Re: [announce] [patch] ultra-scalable O(1) SMP and UP scheduler | From | Rene Rebe <> |
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From: Ingo Molnar <mingo@elte.hu> Subject: Re: [announce] [patch] ultra-scalable O(1) SMP and UP scheduler Date: Mon, 7 Jan 2002 21:26:06 +0100 (CET)
> > please try the -D1 patch i've just uploaded. > > also, i'd suggest to start up your compilation job via something like: > > nice -n 19 make bzImage > > please compare both niced and normal compilation as well, and Cc: the > results back to linux-kernel if you dont mind. Thanks!
Yes. normal load AND nice -n 19 load is handled very well: I have no longer an interactive problem ;-)
(I wanted to run some latency tests - but since a D2 is out I will do further tests with this ;-)
> Ingo > > On Mon, 7 Jan 2002, Rene Rebe wrote: > > > From: Ingo Molnar <mingo@elte.hu> > > Subject: Re: [announce] [patch] ultra-scalable O(1) SMP and UP scheduler > > Date: Mon, 7 Jan 2002 20:40:47 +0100 (CET) > > > > > > > > On Mon, 7 Jan 2002, Rene Rebe wrote: > > > > > > > But during higher load (normal gcc compilations are enough) my system > > > > gets really unresponsive and my mouse-cursor (USB-mouse, XFree-4.1, > > > > Matrox G450) flickers with ~ 5fps over the screen ... :-(( > > > > > > > > I'll retry with the D0 patch ;-) > > > > > > there was an interactiveness bug in -C1 that is fixed in -D0. Please let > > > me know if there are still problems with -D0 too. Would you be willing to > > > test some followup patches if the interactivity problem is still there? > > > > Using the D0 patch the interactiveness bug is still there (I verified > > with patch -R that I really used the D0 patch ... ;-)! > > > > It might be related to either disk-io or forking, because: > > > > a) When I compile s.th. with many little files (linux-kernel, ALSA) > > the interactiveness is bad. > > > > b) When I compile s.th. with many bigger/complex files (my own C++ > > project) the interactiveness is only bad when: the g++ crunshes small > > files, between the big files or during linking ... > > > > Hm. On the other hand a: "cat /dev/zero > bla" a "cat > > /mozilla-src.tar.bz2 > /dev/null"; or a "find / -name "*" > /dev/null" > > doesn't show this behaviour. (btw. I'm running ReiserFS if this > > matters). > > > > I hope this helps - and I'm willing to try other patches you send over > > ;-) > > > > > Ingo > > > > k33p h4ck1n6 > > René Rebe > > > > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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