Re: [Intel-gfx] Direct execlists submission

2018-05-14 Thread Chris Wilson
Quoting Chris Wilson (2018-05-14 11:25:45) > Quoting Tvrtko Ursulin (2018-05-14 11:11:54) > > > > On 14/05/2018 10:37, Chris Wilson wrote: > > > Continuing the discussion with the latest refactorings, however I ran > > > some tests to measure the impact on system (!i915) latency, > > > using igt/b

Re: [Intel-gfx] Direct execlists submission

2018-05-14 Thread Chris Wilson
Quoting Tvrtko Ursulin (2018-05-14 11:11:54) > > On 14/05/2018 10:37, Chris Wilson wrote: > > Continuing the discussion with the latest refactorings, however I ran > > some tests to measure the impact on system (!i915) latency, > > using igt/benchmarks/gem_syslatency -t 120 > > > > drm-tip: > >

Re: [Intel-gfx] Direct execlists submission

2018-05-14 Thread Tvrtko Ursulin
On 14/05/2018 10:37, Chris Wilson wrote: Continuing the discussion with the latest refactorings, however I ran some tests to measure the impact on system (!i915) latency, using igt/benchmarks/gem_syslatency -t 120 drm-tip: latency mean=1.211us max=10us (no load) latency mean=2.6