[Mesa-dev] Testing out Kristian's fast mtx patch
eric at anholt.net
Wed Oct 11 21:10:01 UTC 2017
Timothy Arceri <tarceri at itsqueeze.com> writes:
> After a recent discussion about this code from 2015 I was curious
> to give it a try. The outstanding review item was that we shouldn't
> be replacing the C11 mtx type/functions with our own, so I've renamed
> the fast path to simple_mtx* and added a couple of patches to make use
> of it.
> The idea is this fast mtx can be used in place of the full mtx
> implementation when its of type mtx_plain.
> I though if anywhere we might see a change in the drawoverhead piglit
> test but I didn't see any real change.
> Anyway since I've made the updates I thought I'd send it out. Maybe
> someone else might find some better results. Kristian reported a 10%
> increase in some internal Intel benchmarks, I wonder if thats still the
Results from x11perf -copywinwin10 on my SKL: 4.33338% +/- 0.905054%
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