Brendan Miller <catphive@xxxxxxxxxxxx> writes: > I understand that exceptions aren't meant to be thrown often, so it > doesn't usually matter if exceptions are a little slow, but I'd like > to understand the performance a little better. If anyone knows where I > can find notes on how the exception propagation mechanism works at a > fairly low level that would also be helpful. I'm trying to get a > picture of where the costs come from, aside from calling destructors > as the stack unwinds. The exception unwinding mechanism used by gcc is described at http://www.codesourcery.com/public/cxx-abi/abi-eh.html . Ignore the word "Itanium." Ian
