On Sunday, 10 March 2013 at 15:04:42 UTC, Marco Leise wrote: > Caveat: A directed graph with no cycles is over-simplistic. > Someone with a large project could perhaps tell what the > average % of rebuilt modules would be. It is 100% as long as this bug exists : http://d.puremagic.com/issues/show_bug.cgi?id=9571