[Bf-cycles] Efficient Ray Tracing Kernels for Modern CPU Architectures

Marco G marco.gzt at gmail.com
Wed Mar 9 20:33:14 CET 2016


Hi Cycles devs,
I stumbled upon this recent paper and thought this might be interesting for
Cycles.

"...this introduces refined algorithms for BVH4 traversal of coherent and
incoherent rays, named CLPT and ORST respectively [...] The results show
that CLPT *can outperform Embree up to 4x for primary ray traversal*! For
incoherent rays ORST can achieve up to 60% higher traversal speed compared
to the previously fastest method DRST, which *makes ORST about twice as
fast as Embree for secondary rays.*"

Link to the blog post and paper:
http://rapt.technology/posts/fast-ray-tracing-kernels/

Regards,
MG
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