This project is from CMU. Hazy Research at Stanford talked about the megakernel too: https://hazyresearch.stanford.edu/blog/2025-05-27-no-bubbles
Good to see the competition in this area.
(Edited): Related paper covering the larger "mirage" project, but this doesn't cover the "megakernel" approach: https://arxiv.org/abs/2405.05751