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SubjectRe: Sched - graphic smoothness under load - cfs-v13 sd-0.48
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Xavier Bestel wrote:
> On Wed, 2007-05-23 at 07:23 +0200, Michael Gerdau wrote:
>> For me the huge difference you have for sd to the others increases the
>> likelyhood the glxgears benchmark does not measure scheduling of graphic
>> but something else.
>
> I think some people forget that X11 has its own scheduler for graphics
> operations.

And in the direct-rendering case, this scheduler is not used for OpenGL.
The client-side driver submits rendering commands directly to its
kernel module. It is possible that some kernel modules perform some
sort of scheduling, but none of the open-source drivers implement such a
thing.
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