There's a fairly recent work called SHAPES[1] which attempts to address this kind of customized memory layout without having to give up the OOP abstraction. You

There's a fairly recent work called SHAPES[1] which attempts to address this kind of customized memory layout without having to give up the OOP abstraction. You can try out different memory layouts without having to modify the types themselves. [1]:https://www.doc.ic.ac.uk/%7Escd/ShapesOnwards.pdf; https://www.doc.ic.ac.uk/%7Escd/ShapesOnwards.pdf; A more recent revision of the work here: https://www.researchgate.net/publication/341693673_Reshape_your_layouts_not_your_programs_A_safe_language_extension_for_better_cache_locality https://www.researchgate.net/publication/341693673_Reshape_y...