On Friday, January 16, 2015 05:53:09 PM Ian Romanick wrote: > On 01/16/2015 08:15 AM, Matt Turner wrote: > > From: Ian Romanick <ian.d.roman...@intel.com> > > > > Some shaders end up with code that looks something like: > > > > if (some_condition) > > result = 1.0; > > else > > result = 0.0; > > > > This pass converts those if-statements to > > > > result = float(some_condition); > > > > total instructions in shared programs: 5934568 -> 5921818 (-0.21%) > > instructions in affected programs: 723433 -> 710683 (-1.76%) > > GAINED: 26 > > LOST: 7 > > Arg. I'm going to have to investigate why the old patch and the new > patch are so different. :( On the current patch I get > > LOST: shaders/closed/steam/brutal-legend/326.shader_test SIMD16 > LOST: shaders/closed/steam/costume-quest/1339.shader_test SIMD16 > LOST: shaders/closed/steam/portal-2/high/5143.shader_test SIMD16 > LOST: shaders/closed/steam/portal-2/very-high/2700.shader_test SIMD16 > LOST: shaders/closed/steam/the-cave/2429.shader_test SIMD16 > LOST: shaders/closed/steam/the-cave/2492.shader_test SIMD16 > LOST: shaders/closed/steam/the-cave/2661.shader_test SIMD16 > LOST: shaders/closed/steam/the-cave/3089.shader_test SIMD16 > LOST: shaders/closed/steam/the-cave/3362.shader_test SIMD16 > > GAINED: shaders/closed/steam/portal-2/high/2677.shader_test SIMD16 > GAINED: shaders/closed/steam/portal-2/high/902.shader_test SIMD16 > GAINED: shaders/closed/steam/portal-2/low/2337.shader_test SIMD16 > GAINED: shaders/closed/steam/portal-2/low/902.shader_test SIMD16 > > total instructions in shared programs: 4663189 -> 4652744 (-0.22%) > instructions in affected programs: 749395 -> 738950 (-1.39%) > GAINED: 4 > LOST: 9 > total helped: 3159 > total HURT: 8 > > You don't think IVB vs HSW makes a difference here? > > I also notice that the 12 vertex shaders no longer appear in the hurt > list or the helped list. Ugh. > > And OMG... I need to update to a distro that has render nodes so that I > can use the updated runner. :(
You just need to boot with "drm.rnodes=1", they've been around forever. --Ken
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