http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45375
--- Comment #123 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-05-11 05:55:43 UTC --- Just for comparison, clang with -O4 runs only single threaded and does everything in memory (no streaming out). It uses 3.5GB of memory (peak) and takes 19 minutes to finish...
