Re: i7 920 not quite twice as fast as Q9300 at building wine

[Lei Zhang]

On Wed, Mar 24, 2010 at 6:44 AM, Dan Kegel  wrote:
> On Wed, Mar 24, 2010 at 1:08 AM, Lei Zhang  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

Yes, with -j17. This is on the dual xeon E5520. (2.26 Ghz core i7)

Also of interest, a new version of ccache after 6 years:
http://samba.org/ftp/ccache/ccache-3.0pre0-NEWS