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Message-Id: <200705241036.45179.kernel@kolivas.org> Date: Thu, 24 May 2007 10:36:44 +1000 From: Con Kolivas <kernel@...ivas.org> To: Bill Davidsen <davidsen@....com> Cc: Miguel Figueiredo <elmig@...ianpt.org>, Ray Lee <ray-lk@...rabbit.org>, Linux Kernel M/L <linux-kernel@...r.kernel.org> Subject: Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48 On Wednesday 23 May 2007 10:28, Bill Davidsen wrote: > > kernel 2.6.21-cfs-v13 2.6.21-ck2 > > a) 194464 254669 > > b) 54159 124 > > Everyone seems to like ck2, this makes it look as if the video display > would be really pretty unusable. While sd-0.48 does show an occasional > video glitch when watching video under heavy load, it's annoying rather > than unusable. That's because the whole premise of your benchmark relies on a workload that yield()s itself to the eyeballs on most graphic card combinations when using glxgears. Your test remains a test of sched_yield in the presence of your workloads rather than anything else. If people like ck2 it's because in the real world with real workloads it is better, rather than on a yield() based benchmark. Repeatedly the reports are that 3d apps and games in normal usage under -ck are better than mainline and cfs. -- -ck - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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