Can bring ~8% improvements with minimal impact on the quality
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Buildable 972 Build 972: arc lint + arc unit
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I can confirm significant speedups.
Though there's some render differences as well, same darkening happens with both CPU and CUDA. I guess the intersection is no longer watertight?
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@Max (maxim_d33), those scenes are coming from here https://svn.blender.org/svnroot/bf-blender/trunk/lib/benchmarks/cycles/
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- will keep cross() related calculation to do not break watertightness but gain some perf improvements
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Benchmarks now render identical, and still faster even if not as much as before. So I'll commit it, thanks!
Intel i7-4790K, Ubuntu Linux
| bmw27 | -1.52% |
| classroom | -1.02% |
| fishy_cat | -0.87% |
| koro | 0.05% |
| pabellon | -1.76% |
NVidia Titan Xp, Ubuntu Linux
| bmw27 | -1.67% |
| classroom | -1.81% |
| fishy_cat | -1.04% |
| koro | -1.08% |
| pabellon | -4.26% |
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@Brecht Van Lommel (brecht), have similar results on i7-6950X. Will leave it up to you to commit.