David R. Cheriton School of Computer Science

What if your gym routine consisted of gliding across a forest, skewing fruits like a ninja, or racing on a Formula 1 track?   

That’s the vision behind Hiro, a Waterloo-based startup that is gamifying physiotherapy exercises for children with disabilities — by including people with disabilities at the research’s core.  

A quiet lab from the outside, pure chaos from within — the trains lab, where trains whir across miniature tracks, and students spend countless hours working away.

CS452: Real-Time Programming is a renowned CS course, notorious for its difficulty but fondly remembered for the deep sense of community it fosters among those who take it.

Professor Chengnian Sun and his collaborators Vu Le and Zhendong Su have received the Most Influential Paper Award at OOPSLA 2025, part of the ACM SIGPLAN SPLASH conference.

Their paper, Finding Deep Compiler Bugs via Guided Stochastic Program Mutation, presented originally at OOPSLA 2015, was recognized for introducing a novel Equivalence Modulo Inputs mutation strategy that exposed previously undetected bugs in production compilers.