Re: Bogomips on AMD X2 (was Re:)

[Denis Vlasenko <vda@ilport.com.ua>]

> > I noticed that the bogomips results for the two cores on my machine are 
> > consistently not the same, the second one is always reported slightly 
> > faster, it's a small difference and I saw the same in a posted dmesg 
> from 
> > somebody else on the list. Which made me wonder: 
> 
> I guess it's a cache warming effect. Please show the numbers.
>
> Probably not, got this one from a web site, and on this one the first core 
> seems to be faster (can't check my own machine it's off and at home and 
> I'm at work.) The difference I get is similar, but always with the second 
> one faster. It's the same when using cat on /proc/cpuinfo. Oh and I saw it 
> on 2.6.11 and 2.6.12 as supplied with fedora core 4 myself.
> 
> Calibrating delay using timer specific routine.. 4014.73 BogoMIPS 
> (lpj=8029470)
...
> Initializing CPU#1
> Calibrating delay using timer specific routine.. 4005.37 BogoMIPS 
> (lpj=8010751)

Why do you think it cannot be a cache warming effect?
--
vda