On 3/27/06, Kris Kennaway <[EMAIL PROTECTED]> wrote: > On Mon, Mar 27, 2006 at 01:05:13PM -0600, Nikolas Britton wrote: > > Why does GCC produce faster code using "-march=pentium2 > > -mtune=pentium4" on a Pentium 4 chip versus plain -march=pentium4? > > > > Try it... > > > > CPUTYPE=pentium2 > > CFLAGS+= -mtune=pentium4 > > COPTFLAGS+= -mtune=pentium4 > > Talk to the gcc developers (and provide benchmarks). >
What would be an adequate, proof, benchmark? I've already run several tests with nbench, testing all of the possible configurations of -march and -mtune. -- BSD Podcasts @ http://bsdtalk.blogspot.com/ _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
