http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59061
--- Comment #21 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> --- (In reply to Kostya Serebryany from comment #20) > > I our simulation code, it looks like the overhead for leak checking is about > > 20%. I haven't done very careful measurements yet, since this is more or > > less what we're willing to pay to integrate the (very useful) feature in our > > testing setup. > > that's with -fsanitize=address? No, full asan is about 100% (or more) overhead for us (I guess the overhead depends on the optimization level, but roughly speaking). This is only the leak checking (as obtained by only linking with -fsanitize=address and exporting the flag).
