Not a law. Haskell can be much closer to linear, performance to cores. It starts banging its head on the last core; the little bit of other work the computer do

Not a law. Haskell can be much closer to linear, performance to cores. It starts banging its head on the last core; the little bit of other work the computer does seems to throw off Haskell's gait. (This is subjective first-hand experience.)