[Intel-gfx] [ubuntu-x] -intel 2.6.3 uploaded
keithp at keithp.com
Tue Mar 24 05:40:37 CET 2009
On Tue, 2009-03-24 at 00:15 +0000, Peter Clifton wrote:
> The busy-loop programs are keeping the CPU from idling, and perhaps
> somehow the residency of lower C states is giving rise to the lower
> frame-rates (in spite the CPU being otherwise busy).
The theory Eric expressed was that the lower C state slows down the
memory controller too. As the GPU is dependent on the same memory as the
CPU, when the CPU is idle, and the memory controller slowed and GPU
keith.packard at intel.com
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