http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25708
--- Comment #18 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 2011-12-01 07:29:25 UTC --- Janne's latest patch now effectively 'removes' lseek: 26.84 0.108906 0 242658 madvise 20.12 0.081608 0 459999 read 19.27 0.078198 0 512288 lseek 12.33 0.050038 73 684 unlink 5.99 0.024315 2 11969 74 open 4.57 0.018544 2 11891 munmap (512288 down from >198000000 a few days ago).