On Fri, May 31, 2019 at 4:48 PM Tadeus Prastowo <tadeus.prastowo@xxxxxxxx> wrote: > > On Fri, May 31, 2019 at 4:43 PM Tadeus Prastowo > <tadeus.prastowo@xxxxxxxx> wrote: > > > > On Wed, May 29, 2019 at 12:37 PM Tadeus Prastowo > > <tadeus.prastowo@xxxxxxxx> wrote: > > > > > > On Tue, May 28, 2019 at 10:00 PM Stefan Ring <stefanrin@xxxxxxxxx> wrote: > > > > I guess the Ubuntu package uses "make profiledbootstrap", which you > > > > don’t get (IIRC) when just issuing "make". [...] > > Yes, it is very likely that the use of `make profiledbootstrap' is the > > main factor that boosts the compilation speed of vanilla GCC 9. > > > > I say ``very likely'' because compiling vanilla GCC 9 using `make > > profiledbootstrap' results in a missing Makefile error as detailed in > > this thread: https://gcc.gnu.org/ml/gcc-help/2019-05/msg00137.html [...] > > So, I hypothesize that if the vanilla > > GCC 9 were successful, it would also run faster by almost 15%. Since the build problem at https://gcc.gnu.org/ml/gcc-help/2019-05/msg00137.html has been fixed, I can build vanilla GCC 9 with `make profiledbootstrap' and confirm that doing so makes the vanilla GCC 9 run faster by almost 15%. -- Best regards, Tadeus
