"Occupancy Explained" GPC 2024 presentation slides are now available online: gpuopen.com/presentation..., they are missing notes though so to fill in the gaps I recommend this great post from 2023: gpuopen.com/learn/occupa...

If you can control your data upfront, those are all good ideas. If you can't, consider page-based allocation and an indirection table, or if supported let the OS do it and just reserve a huge upfront contiguous virtual allocation and commit pages as needed