Pentium 4 Optimization Complimenting icc 5.0

Richard Henderson rth@redhat.com
Wed Feb 6 17:17:00 GMT 2002


On Wed, Feb 06, 2002 at 12:35:41PM -0800, Joe Buck wrote:
> Intel has been attacked for this, by the way: the P4 often is slower than
> the P3 for code tuned for the P3.

Not just "tuned for p3" -- the P4 is about 20% slower across the
board when similar clock speeds are compared.  The P4 architecture
team inside Intel has taken quite a lot of heat for this.


r~



More information about the Gcc mailing list