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#416 Dynamic Ray Fetching

Incomplete
closed
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5
2015-08-27
2015-08-27
No

Implements the paper "Understanding the Efficiency of Ray Traversal on GPUs".
Timo Aila and Samuli Laine,
Proc. High-Performance Graphics 2009

Uses NVIDIA PTX ballot instructions. This is based on:
https://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/source/browse/trunk/src/rt/kernels/kepler_dynamic_fetch.cu

Did not prove to be faster in the tests I ran compared with our simple static ray scheduler.

Patch is included for reference.

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