http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53880
--- Comment #31 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-07-30 16:26:23 UTC --- (In reply to comment #30) > Created attachment 27898 [details] > Hack to avoid quadratic loops > > This makes use of the assumption that this_obj and its comparison companion > are > loop invariant (they have to be for pointer rewriting). Drops compile time to > worse-than-gcc47-but-acceptable levels. > > Markus, could you give this a try, please? Looks very good: % time c++ -c -o pch.hpp.gch /usr/include/boost/math/special_functions.hpp c++ -c -o pch.hpp.gch /usr/include/boost/math/special_functions.hpp 2.67s user 0.20s system 99% cpu 2.888 total Thanks a lot, Steven.
