3 ms·
tl;dr: doubling size of metadata (and usually a half of a 128bit address is zeros anyway). Having twice as much space occupied has many implications: twice as
by dmytrish 9y ago
tl;dr: doubling size of metadata (and usually a half of a 128bit address is zeros anyway).
Having twice as much space occupied has many implications: twice as much space lost for data itself, less metadata will fit CPU caches, less throughput in buses between CPU and storage, lengthier read time for the storage itself, etc.