As published on Reddit:
An open-source raytraced game runs as software or as just gates in an FPGA, achieving up to 50x efficiency gains.
The project was featured in the embedded news site CNX-Software today. An introductory video is at https://www.youtube.com/watch?v=hn3sr3VMJQU.
It was done with u/absurdfatalism‘s PipelineC tool and the CFlexHDL C++ parser tool for handling vector and scalar types in fixed and floating-point with a clean syntax.