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Date: Tue, 31 Jul 2007 11:45:26 +0200 From: Ingo Molnar <mingo@...e.hu> To: Kenneth Prugh <ken69267@...il.com> Cc: John <darknessenvelops@...il.com>, ck@....kolivas.org, Linus Torvalds <torvalds@...ux-foundation.org>, Kasper Sandberg <lkml@...anurb.dk>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [ck] Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1) * Kenneth Prugh <ken69267@...il.com> wrote: > Alright, Just got done with some testing of UT2004 between 2.6.23-rc1 > CFS and 2.6.22-ck1 SD. This series of tests was run by spawning in a > map while not moving at all and always facing the same direction, > while slowing increasing the number of loops. > > CFS generally seemed a lot smoother as the load increased, while SD > broke down to a highly unstable fps count that fluctuated massively > around the third loop. Seems like I will stick to CFS for gaming now. > > Below you will find the results of my test with the average number of > FPS. Thanks Kenneth for the testing! I've created a graph out of your numbers: http://people.redhat.com/mingo/misc/cfs-sd-ut2004-perf.jpg (it also includes the SD numbers you got with the turn-yield-into-NOP hack applied.) Ingo - 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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