Few files take more than 3 minutes to compile now:

ELC+ELN emacs-lisp/comp.el      0:09:49
ELC+ELN org/org.el              0:03:39
ELC+ELN ../lisp/window.el       0:03:16
ELC+ELN emacs-lisp/bytecomp.el  0:03:16

For details on performance, see attached tables for master and
feature/native-comp, respectively (to compare with bug#41077#40).