:compiler-stats has been a thing for a while now. This would give more information - like how much time in ClojureScript vs. advanced compilation. Also the comp

:compiler-stats has been a thing for a while now. This would give more information - like how much time in ClojureScript vs. advanced compilation. Also the compiler version matters - 1.7.170 is what you want to use. Otherwise you may need :recompile-dependents false.