I'm going on a limb as they're going in every direction and trebuchet-ing goalposts, but I'd assume they're talking about using an SoA structure, so instead of

I'm going on a limb as they're going in every direction and trebuchet-ing goalposts, but I'd assume they're talking about using an SoA structure, so instead of having a bunch of Foo objects each with a header and, say, an `int` field (so two words of header for half a word of payload) you have a single header at the top of the array, then an int value per record in the packed array.