I have to second the mention of Embree. Intel poured several man years of optimi... | Hacker News

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		gmueckl on Dec 31, 2017 \| parent \| context \| favorite \| on: How to make a rain on a windshield shader in Shade... I have to second the mention of Embree. Intel poured several man years of optimization into this code. As long as you are fine with being restricted to x86 platforms, you won't find faster open source code for general ray/triangle intersection.

cma on Dec 31, 2017 [–]

Unreal Engine 4 uses Embree in its lightmass static lighting builds. They got a big speedup from moving to it.

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