[PATCH 7/10] udlfb: improved rendering performance
greg at kroah.com
Thu Feb 18 15:59:37 UTC 2010
On Mon, Feb 15, 2010 at 06:46:21AM -0800, Bernie Thompson wrote:
> Rework rendering for improved performance
> Approx 10-20% gain avg across several "benchmarks": x11perf, gtkperf, glxgears
> Moves from a single pre-alloc'd urb protected by a long-held mutex
> To a list of (4) pre-alloc'd urbs which can be dispatched asynchonously
> Improved rendering algorithm to hardware with lower CPU consumption,
> fewer system memory accesses, and slightly higher compression.
> Better scalability to multiple processors, especially with
> multiple framebuffers active.
Very nice job, although it would be interesting to see if the
preallocated urbs really had any affect here :)
More information about the devel