x86_64 in FC4?

Kyrre Ness Sjobak kyrre at solution-forge.net
Sat Feb 5 20:44:53 UTC 2005

lør, 05.02.2005 kl. 00.34 skrev Eric S. Raymond:
> Gene C. <czar at czarc.net>:
> > Yes, I have an Opteron system also and have been impressed with its relative 
> > performance (even with my Opteron 140).
> Indeed.  I have a single Opteron 3400 that is cranking a measured 1.65
> times better performance than my previous machine on doclifter, my
> monster Python app -- which doesn't sound impressive until you
> consider that the previous machine was a 2-processor SMP with 1.8GHz
> Athlons.  So my real-world throughput is as good or (allowing for
> Amdahl's Law inefficiencies) better than what I'd get from a 6 GHz
> Athlon, if such a thing existed.

Depends on how well threaded the app is... A single-threaded app can't
use more than one CPU :)

More information about the fedora-devel-list mailing list