Yeah For the specific purpose of what the article presents, I feel something simpler like 10%/50%/90% times can be better (two systems that have times as 0.1/1

Yeah For the specific purpose of what the article presents, I feel something simpler like 10%/50%/90% times can be better (two systems that have times as 0.1/1/10 or 0.9/1/1.1 will have "the same average" but where one might be adequate the other one might not)