Mostly it has to do with internally storing "objects" as Structures of Arrays (SoA) instead of the traditional object-oriented Array of Structures (AoS) for mor

Mostly it has to do with internally storing "objects" as Structures of Arrays (SoA) instead of the traditional object-oriented Array of Structures (AoS) for more parallelization opportunities with SIMD improving cache efficiency. See https://en.m.wikipedia.org/wiki/Data-oriented_design https://en.m.wikipedia.org/wiki/Data-oriented_design