Re: [announce] CFS-devel, performance improvements

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From: Mike Galbraith
Date: Tuesday, September 11, 2007 - 11:20 pm

On Tue, 2007-09-11 at 22:04 +0200, Ingo Molnar wrote:

Initial test-drive looks good here, but I do see a regression.  First
the good news.

fairtest2 is perfect, more perfect than ever seen before in fact.  Mixed
interval sleepers/hog looks fine as well (can't say perfect due to
startup differences with the various proggies, but cpu% looks perfect).
Amarok song switch time under hefty kbuild load is fine as well.  I
haven't done heavy multimedia testing yet, but will give it a more
thorough workout later (errands).

The regression:  I see some GUI lurch, easily reproducible by running a
make -j5 and moving the mouse in a circle... perceptible (100ms or so)
lurches not present in rc5. 

	-Mike

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Messages in current thread:
[announce] CFS-devel, performance improvements, Ingo Molnar, (Tue Sep 11, 1:04 pm)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Tue Sep 11, 5:42 pm)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Tue Sep 11, 6:16 pm)
Re: [announce] CFS-devel, performance improvements, Mike Galbraith, (Tue Sep 11, 11:20 pm)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Wed Sep 12, 3:17 pm)
Re: [announce] CFS-devel, performance improvements, debian developer, (Thu Sep 13, 12:17 am)
Re: [announce] CFS-devel, performance improvements, debian developer, (Thu Sep 13, 12:34 am)
Re: [announce] CFS-devel, performance improvements, Ingo Molnar, (Thu Sep 13, 12:52 am)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Thu Sep 13, 1:42 am)
Re: [announce] CFS-devel, performance improvements, Ingo Molnar, (Thu Sep 13, 2:06 am)
Re: [announce] CFS-devel, performance improvements, Ingo Molnar, (Thu Sep 13, 2:19 am)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Thu Sep 13, 2:24 am)
Re: [announce] CFS-devel, performance improvements, Ingo Molnar, (Thu Sep 13, 2:31 am)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Thu Sep 13, 2:36 am)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Thu Sep 13, 2:43 am)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Thu Sep 13, 3:17 am)
Re: [announce] CFS-devel, performance improvements, Peter Zijlstra, (Thu Sep 13, 4:35 am)
Re: [announce] CFS-devel, performance improvements, Ingo Molnar, (Thu Sep 13, 4:48 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Thu Sep 13, 5:14 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Thu Sep 13, 5:35 am)
Re: [announce] CFS-devel, performance improvements, Peter Zijlstra, (Thu Sep 13, 5:44 am)
Re: [announce] CFS-devel, performance improvements, Ingo Molnar, (Thu Sep 13, 5:47 am)
Re: [announce] CFS-devel, performance improvements, Ingo Molnar, (Thu Sep 13, 7:28 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Thu Sep 13, 9:50 am)
Re: [announce] CFS-devel, performance improvements, Peter Zijlstra, (Thu Sep 13, 10:06 am)
Re: [announce] CFS-devel, performance improvements, Peter Zijlstra, (Thu Sep 13, 10:09 am)
Re: [announce] CFS-devel, performance improvements, Kyle Moffett, (Thu Sep 13, 11:28 am)
Re: [announce] CFS-devel, performance improvements, Sam Ravnborg, (Thu Sep 13, 12:01 pm)
Re: [announce] CFS-devel, performance improvements, Peter Zijlstra, (Thu Sep 13, 12:08 pm)
Re: [announce] CFS-devel, performance improvements, Willy Tarreau, (Thu Sep 13, 4:08 pm)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Thu Sep 13, 6:47 pm)
Re: [announce] CFS-devel, performance improvements, Rob Hussey, (Thu Sep 13, 7:26 pm)
Re: [announce] CFS-devel, performance improvements, Kyle Moffett, (Thu Sep 13, 11:59 pm)
Re: [announce] CFS-devel, performance improvements, Peter Zijlstra, (Fri Sep 14, 4:16 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Fri Sep 14, 4:46 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Fri Sep 14, 5:04 am)
Re: [announce] CFS-devel, performance improvements, Peter Zijlstra, (Fri Sep 14, 5:17 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Fri Sep 14, 5:26 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Fri Sep 14, 6:10 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Fri Sep 14, 7:50 am)
Re: [announce] CFS-devel, performance improvements, Roman Zippel, (Fri Sep 14, 8:13 am)
Re: [announce] CFS-devel, performance improvements, Arjan van de Ven, (Fri Sep 14, 8:26 am)
Re: [announce] CFS-devel, performance improvements, Arjan van de Ven, (Fri Sep 14, 8:56 am)
Re: [announce] CFS-devel, performance improvements, Willy Tarreau, (Fri Sep 14, 10:54 am)