[h3lp]

Well, power envelope IS the limit in many applications; anyone can build a LOBOS (Lots Of Boxes On Shelves) supercomputer, but data bandwidth and power will limit its usefullness and size. Everyone has a power budget. For me, it's my desk outlet capacity (1.5kW); for a hyperscaler, it's the capacity of the power plant that feeds their datacenter (1.5GW); we both cannot exceed Pmax * MIPS/W of computation.

[tverbeure]

All of that may be true but it’s irrelevant.

If you’re dividing perf by perf/W, it makes no sense to yell “it’s not equal to 100!” You simply failed at dimension analysis taught in high school.