-----Mensaje original-----
De: address@hidden
[mailto:address@hidden
En nombre de Pierre d'Herbemont
Enviado el: viernes, 09 de julio de 2004 20:38
Para: address@hidden
Asunto: Re: [Qemu-devel] Inquiry, speed comparison on OS X,
QEMU vs Virtual PC
I probably should add that the Mac OS X version that is
avalaible for download doesn't include support for the
PowerPC swapping instructions (little-endian storing and
loading instructions). Next release will.
Pierre
Le 6 juil. 04, à 02:29, address@hidden a écrit :
It was precisely because it has not yet been optimized that I was
curious of first impressions. The fact that it has been
described as
"somewhat" slower is encouraging. No one expects it to be
faster than
VPC out the gate, but to be in the same ballpark is quite an
achievement.
-Daniel
On Jul 5, 2004, at 5:23 PM, Leigh Dyer wrote:
On Mon, 2004-07-05 at 15:24 -0700, Daniel J.Guinan wrote:
I'm curious, how does the speed compare to Virtual PC?
Not terribly well yet - on my 1Ghz Tibook, it feels about the same
speed as on my 800Mhz PIII desktop PC at work, which is to
say that
the emulated system seems somewhere around
high-end-468/low-end-Pentium speed. However, it's important to
remember that Virtual PC:
* has been around for ages, and has seen lots of development and
optimisation
* uses a hand-written and heavily optimised x86->PPC translator
* uses special PPC features like Altivec and little-endian mode to
speed things up
* uses the host system's MMU to accelerate memory access
Qemu's still fast enough to be usable for a great many
things though,
so if you're debating whether or not to try it, by all
means download
it and give it a go.
Thanks
Leigh
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