Impressive demo and lovely writeup. That was fun to watch. I've been working on building the Zig self-hosted compiler this way from the ground up, except with

Impressive demo and lovely writeup. That was fun to watch. I've been working on building the Zig self-hosted compiler this way from the ground up, except with reference counting the cached stuff rather than using fork(). This lets me do the caching at the function level, even more fine grained than the file level. Here's a 1min demo: https://www.youtube.com/watch?v=b_Pm29crq6Q https://www.youtube.com/watch?v=b_Pm29crq6Q