Re: [gentoo-amd64] Re: 3200+ -> X2 4000+

[Florian Philipp]

Am Mittwoch 11 Juli 2007 14:15 schrieb Fernando Boaglio:

>
> On 7/5/07, Hemmann, Volker Armin <volker.armin.hemmann@××××××××××××.de>
wrote:
> > On Donnerstag, 5. Juli 2007, Fernando Boaglio wrote:
> > > Thanks a lot guys, I love this place, I always learn something new =)
> > >
> > > Anyway, switching only the processor : 3200+ to X2 4000 and keeping
> > > the same machine (Asus A8V Deluxe + HD IDE 2x80Gb + 2Gb RAM + GeForce
> > > 7600GS) how much improvement should I expect ?
> >
> > the biggest improvement will be 'snappiness' of the desktop. If you ever
> > had a multicore/multicpu desktop you never want to go back. It is just
> > amazing.
> >
> > Everything multi-threaded will be faster too - but it completly depends
> > on the app. Some almost double their speed, while others show as much as
> > no improvement.
> >
> > > I'm a developer, I keep running databases, IDEs like Eclipse, P2P
> > > tools (Azureus, amule) , aMSN and watching my favorite series with
> > > kplayer, like Lost, Supernatural,The 4400 :P
> >
> > watching a video while compiling something will be much more pleasant ;)
> > --
> > gentoo-amd64@g.o mailing list

> Ok folks, I'm running my new linux box right now: =D
>
> cascao ~ # uname -a
> Linux cascao 2.6.21-ck2-r1 #2 SMP PREEMPT Tue Jul 10 21:03:33 BRT 2007
> x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ AuthenticAMD
> GNU/Linux
>
> I've changed this option in my [make.conf]:
>
> MAKEOPTS="-j4"
>
> Should I change anything else?
>
> TIA
> []'s
> Fernando Boaglio

CFLAGS="-march=amd64 -msse3"

Does your kernel have "Symmetric multi-processing support" and "Multi-core 
scheduler support"? Do not activate "SMT (Hyperthreading) scheduler support" 
and "Non Uniform Memory Access (NUMA) Support".
 
You might want to play with the "Timer frequency".