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From: "J. Mayer" <l_indien@magic.fr>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] qemu-system-ppc speed
Date: Sun, 04 Jul 2004 12:30:25 +0200	[thread overview]
Message-ID: <1088937025.5502.10.camel@rapid> (raw)
In-Reply-To: <E1BgrsC-0007eQ-Po@lists.gnu.org>

On Sat, 2004-07-03 at 23:14, Natalia Portillo wrote: 
> It is due to emulation overhead, and the PowerPC CPU (specially the MMU)
> complexity.

In my opinion, PPC is far less complicated than x86....
I ran nbench under qemu-system-ppc some time ago. It gave me the
emulated system was 15 times slower than the host machine. It seems to
be quite acceptable to me.

> > En nombre de Brad Watson
> > Hi All,
> > 
> > I've been experimenting w/running linux under 
> > qemu-system-ppc.  My impression is that is considerably 
> > slower than linux running under qemu. Is it due to primarily 
> > endian conversion overhead or something else ?

Did you compare with i386-softmmu ?


-- 

J. Mayer <l_indien@magic.fr>

Never organized

  reply	other threads:[~2004-07-04 10:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-03 21:14 [Qemu-devel] qemu-system-ppc speed Natalia Portillo
2004-07-04 10:30 ` J. Mayer [this message]
2004-07-04 15:09   ` Brad Watson
  -- strict thread matches above, loose matches on Subject: below --
2004-07-03 21:08 Brad Watson

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