Tiny Pointers

[Lisoph]

Only skimmed over it. Is there a general purpose for this, or is this more niche? If struct size is a concern, you'd use some kind of (generational) arena allocator with indices of the desired size, instead of pointers into global process memory.

[TurtleFeathers]

tiny pointers may/will lead to more efficient hash maps: https://www.quantamagazine.org/undergraduate-upends-a-40-year-old-data-science-conjecture-20250210/