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 :)
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