As a matter of fact, I also wrote a SIGGRAPH paper on GPU-based f-rep rendering that was discussed on HN two days ago!
https://www.mattkeeter.com/research/mpr/
https://news.ycombinator.com/item?id=26873691
There's also a good Twitter thread here:
https://twitter.com/CasualEffects/status/1385389913881858054