Re: [Intel-gfx] [PATCH 0/2] semaphorify the pageflip BO (if possible)
On Wed, Mar 28, 2012 at 05:23:08PM -0700, Ben Widawsky wrote: Daniel, how do you want to handle this? It's somewhere on my list of things to do. I'd like to play around with this on my ivb first just to see what's going on, but otherwise nothing to complain about here. Yours, Daniel On Wed, 21 Mar 2012 17:19:11 -0700 Ben Widawsky b...@bwidawsk.net wrote: I've not observed any FPS changes with my limited testing. Here is the performance data I collected with nexuiz, measuring the latency of i915_gem_object_pin_to_display_plane. Top is before, bottom is after. N Min MaxMedian Avg Stddev x 2246 0.35237.538 2.791 3.3091901 1.8631844 + 2239 0.28144.517 2.699 3.088992 1.583838 Difference at 95.0% confidence -0.220198 +/- 0.101227 -6.65414% +/- 3.05896% (Student's t, pooled s = 1.72938) Ben Widawsky (2): drm/i915: extract ring sync code drm/i915: use semaphores for the display plane drivers/gpu/drm/i915/i915_drv.h| 19 + drivers/gpu/drm/i915/i915_gem.c| 51 --- drivers/gpu/drm/i915/i915_gem_execbuffer.c | 60 +--- 3 files changed, 66 insertions(+), 64 deletions(-) -- Daniel Vetter Mail: dan...@ffwll.ch Mobile: +41 (0)79 365 57 48 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
Re: [Intel-gfx] [PATCH 0/2] semaphorify the pageflip BO (if possible)
Daniel, how do you want to handle this? On Wed, 21 Mar 2012 17:19:11 -0700 Ben Widawsky b...@bwidawsk.net wrote: I've not observed any FPS changes with my limited testing. Here is the performance data I collected with nexuiz, measuring the latency of i915_gem_object_pin_to_display_plane. Top is before, bottom is after. N Min MaxMedian Avg Stddev x 2246 0.35237.538 2.791 3.3091901 1.8631844 + 2239 0.28144.517 2.699 3.088992 1.583838 Difference at 95.0% confidence -0.220198 +/- 0.101227 -6.65414% +/- 3.05896% (Student's t, pooled s = 1.72938) Ben Widawsky (2): drm/i915: extract ring sync code drm/i915: use semaphores for the display plane drivers/gpu/drm/i915/i915_drv.h| 19 + drivers/gpu/drm/i915/i915_gem.c| 51 --- drivers/gpu/drm/i915/i915_gem_execbuffer.c | 60 +--- 3 files changed, 66 insertions(+), 64 deletions(-) ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH 0/2] semaphorify the pageflip BO (if possible)
I've not observed any FPS changes with my limited testing. Here is the performance data I collected with nexuiz, measuring the latency of i915_gem_object_pin_to_display_plane. Top is before, bottom is after. N Min MaxMedian AvgStddev x 2246 0.35237.538 2.791 3.3091901 1.8631844 + 2239 0.28144.517 2.699 3.088992 1.583838 Difference at 95.0% confidence -0.220198 +/- 0.101227 -6.65414% +/- 3.05896% (Student's t, pooled s = 1.72938) Ben Widawsky (2): drm/i915: extract ring sync code drm/i915: use semaphores for the display plane drivers/gpu/drm/i915/i915_drv.h| 19 + drivers/gpu/drm/i915/i915_gem.c| 51 --- drivers/gpu/drm/i915/i915_gem_execbuffer.c | 60 +--- 3 files changed, 66 insertions(+), 64 deletions(-) -- 1.7.9.4 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
