So which is it, then? Does keeping size separate "blows your CPU cache"¹ or not? You can't argue it does in one case (Rust) but not in your case… (And note tha

So which is it, then? Does keeping size separate "blows your CPU cache"¹ or not? You can't argue it does in one case (Rust) but not in your case… (And note that the representation you're responding to is not really a "header", in the same sense that the trailing null is a "footer". The representation does not require the length be contiguous with the data, but that's what upthread was trying to say in the first place.) ¹(it doesn't…)