i7 920 not quite twice as fast as Q9300 at building wine
Dan Kegel
dank at kegel.com
Wed Mar 24 08:44:56 CDT 2010
On Wed, Mar 24, 2010 at 1:08 AM, Lei Zhang <thestig at google.com> wrote:
> Even though Nehalem is a better architecture, you don't get the 2x (or
> better) speed up because the extra 4 cores are from hyperthreading.
> With 8 real Nehalem cores and -j9, I got 3m24s. With 8 cores +
> hyperthreading, I get 2m49s.
Is that with -j17 on the latter measurement? Also, what model number
CPU is that again?
- Dan
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