On Oct 21, 1:10 pm, "Bruno Luong" <b.lu...@fogale.findmycountry> wrote: > Outspan <borghibor...@gmail.com> wrote in message <3685c1d5-be81-4845-bcf2-90ad72037...@p20g2000vbl.googlegroups.com>... > > > even though every single field of the struct is only 8 bytes in size. > > I hope that in its internal representation it's not replicating the > > field names 500K times... > > No, the internal fieldnames is not duplicated, other internal "things" (matlab mxArray like) do. > > Drop using array of struct if you want to save memory and speed. > > Bruno
So I should use a matrix instead? Obviously that's going to save space, but the code is going to get ugly if I ever have to load different kinds of data for the same record. I just don't understand why structs have to take up that much space.