Yeah I would agree that TreeMaps are more intuitive on first glance. When most people look at a flame graph for the first time, they think the X axis is time,

Yeah I would agree that TreeMaps are more intuitive on first glance. When most people look at a flame graph for the first time, they think the X axis is time, like a time series But it's really the proportion of time (or a space measure) But once you get used to it, flame graphs show all the same info, and IMO it's just as good or nicer