On 02/25/2012 03:00 AM, Daniel Vetter wrote: > On Fri, Feb 24, 2012 at 07:53:22PM -0800, Eric Anholt wrote: >> This improves the performance of Mesa's GL_MAP_UNSYNCHRONIZED_BIT path >> in GL_ARB_map_buffer_range. Improves Unigine Tropics performance at >> 1024x768 by 2.06236% +/- 0.50272% (n=11). >> --- > > A few questions: > - iirc Ben's non-blocking stuff also worked for non-llc machines - I guess > you haven't looked into this because we don't have a non-llc platform > that runs ungine? Tropics works on Ironlake, too, it's just slow. Haven't tried earlier. > - in my pwrite experience, writing through cpu maps beats writing through > the gtt on llc machines. This has the added benefit that it reduces > pressure on the mappable gtt. Have you tried that, too? > > Cheers, Daniel
