I don't think that's feasible either. If you put memory in between chip element that means you now have to route around that adding to wastage. It also means th

I don't think that's feasible either. If you put memory in between chip element that means you now have to route around that adding to wastage. It also means the distance between the elements would increase slowing things down. At the speed that chips are running the physical distance matters (from what I recall).