On 2013.03.25 at 06:07 -0700, Andi Kleen wrote: > Markus Trippelsdorf <mar...@trippelsdorf.de> writes: > > > > So it appears, contrary to the advice given above, that it is not useful > > to build gcc 4.8.0 with the lto option at the moment. > > Did you build firefox/kernel with debug info on/off? > > Often debug info on changes the compiler performance significantly, as it > generates a lot more IO.
Debug info was turned off in all cases (kernel, Firefox, gcc). -- Markus
