As alluded to in the sibling comment, implicit trees are a good starting point for trees that are to be reasonably dense. Removing explicit pointers reduces the

As alluded to in the sibling comment, implicit trees are a good starting point for trees that are to be reasonably dense. Removing explicit pointers reduces the size and increases the data locality. Depending on what manner of tree you've built, you can also iterate over these values in a fast and cache-friendly way.