http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45810
Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |Joost.VandeVondele at pci | |dot uzh.ch --- Comment #1 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2010-09-27 10:39:05 UTC --- I have observed similar 40% slowdown in CP2K as a result of LTO. I haven't yet investigated.