Private companies likely would have clusters that dwarf the majority of computers on the public lists. Except they don't tell you about them. Why would they? S

Private companies likely would have clusters that dwarf the majority of computers on the public lists. Except they don't tell you about them. Why would they? So their competitors can copy their business plan? IBM has had large clusters for decades. Any large bank or trading company would have clusters that would be at home in that list. You don't want to know what the Apple cluster is like: they have to train for Siri, in multiple languages, etc. I be that's several orders of magnitude larger than Tesla. AWS itself is probably several orders larger than most university clusters, probably larger than most country's combined computational capacity.