GPU Ray Tracing – Comparative Study on Ray-Triangle Intersection Algorithms

  • Vladimir Shumskiy
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7870)


I present a comparative study on GPU ray tracing implemented for two different types of ray-triangle intersection algorithms used with BVH (Bounding Volume Hierarchy) spatial data structure evaluated for performance on three static scenes. I study how number of triangles placed in a BVH leaf node affects rendering performance. I propose GPU-optimized SIMD ray-triangle intersection method evaluated on GPU for path-tracing and compare it’s performance with plain Moller-Trumbore and Unit Triangle intersection methods.


ray-triangle intersection GPU programming Direct3D Direct- Compute performance study ray tracing bounding volume hierarches 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Vladimir Shumskiy
    • 1
  1. 1.Air GraphicsMoscow Institute of Physics and TechnologyRussia

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