Rather than costing a "unit of computer power", which seems quite difficult to evaluate, why not cost the price of a floating point instruction in the cloud (or

Rather than costing a "unit of computer power", which seems quite difficult to evaluate, why not cost the price of a floating point instruction in the cloud (or 1 million fpi if that's better) plus the price of storing the result of that instruction. Seems like a more concrete thing to evaluate ( closer to what moore law is : not a "processing power" law, but rather something physical and concrete)