https://github.com/AcademySoftwareFoundation/openvdb/issues/1350 https://github.com/AcademySoftwareFoundation/openvdb/issues/... Longer answer is that the size

https://github.com/AcademySoftwareFoundation/openvdb/issues/1350 https://github.com/AcademySoftwareFoundation/openvdb/issues/... Longer answer is that the size of the "blocks" is limited to 512 bytes or one element, whichever is larger. So unless your elements are really tiny, it is strictly a pessimization.