Wesley Chang

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Hi there!

I'm a first year PhD student at UC San Diego in the Center for Visual Computing, advised by Prof. Ravi Ramamoorthi and Prof. Tzu-Mao Li. My research focus is in improving the efficiency and robustness of light transport algorithms. At the moment, I'm particularly interested in efficient sampling methods, real-time rendering, and differentiable rendering. I'm also interested in GPUs and have written plenty of other software.


I received my BASc in Computer Engineering at UBC, where I worked remotely with Prof. Toshiya Hachisuka and Prof. Derek Nowrouzezahrai on efficient sampling for real-time rendering. I also worked with Prof. Tor Aamodt on improving ray tracing acceleration on GPUs.


Feel free to send me an email if you'd like to chat!

Recent Publications

October 17, 2021
Intersection Prediction for Accelerated GPU Ray Tracing

Intersection Prediction for Accelerated GPU Ray Tracing

Lufei Liu, Wesley Chang, Francois Demoullin, Yuan Hsi Chou, Mohammadreza Saed, David Pankratz, Tyler Nowicki, Tor M. Aamodt

54th IEEE/ACM International Symposium on Microarchitecture (MICRO), 2021

Recent Graphics Processing Units (GPUs) incorporate hardware accelerator units designed for ray tracing. These accelerator units target the process of traversing hierarchical tree data structures used to test for ray-object intersections. We propose a ray intersection predictor that speculatively elides redundant operations during this process and proceeds directly to test primitives that the ray is likely to intersect.

Selected Projects

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