> > Thank for your answer.
> > Beside nbench, I'm also
using Dhrystone to measure the guest cpu performance.
> > The performance does not much diffetence too.
> > Is the emulated guest performance not depend on guest processor clock?
>
> Please don't top-post.
>
> Qemu doesn't emulate cycle-accurately. Instead, it converts guest code to host code and executes it as fast as it can. So whatever you tell the > guest on the cpu speed doesn't really matter. Except for the timebase of course :).
>
> Mind if I ask what exactly you're trying to do with ppc emulation? I'm interested in use cases people have.
>
> Alex
Thank you,
Exactly I want to emulate my ppc custom board (ppc440) with many features supporting as Ethernet, HDD, VGA, .. for my test environment (I have a software that
running on ppc440).
And I wan to get the best performance of Qemu.
Tai