http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54776
--- Comment #7 from Jan Hubicka <hubicka at ucw dot cz> 2012-10-04 19:17:46 UTC --- > > I assume you do see improvements with -O3 -fwhole-program? (it improves the > > scores in my setup, I would be curious to see how it compares to other > > numbers > > you report) > > Yes, with -O3 -fwhole-program I get: > Time spent in iteration: 6.34161 > > (With -fprofile-use -Ofast -march=native: > Time spent in iteration: 2.75908 ) Hmm, interesting. Fixing the current resolution bug should get -flto and -fwhole-program scores equivalent, but obviously there is a lot room for improvement - I did not see so much preivously. How does text size compare with clang lto/non-lto and gcc whole-program/non-whole-program? Honza