Dolphin making progress.. someone just MIGHT want to have a look at this

Karosa Alabaster mol-devel@lists.maconlinux.org
Thu, 5 Feb 2004 00:13:56 +0100


Well since noone ever did anything like that I wonder..
We'd have time to mourn over speed issues once there was anything useable..
But there isn't..
If it's as good as running Rhapsody DR2 inside a Virtual machine (which is
despicably slow for some reason) I could cope with it.. And in time small
optimizations should pop up, and eventually..

But I guess that's just me dreaming..


--
Karosa Alabaster
----- Original Message ----- 
From: "Samuel Rydh" <samuel@ibrium.se>
To: <mol-devel@lists.maconlinux.org>
Sent: Wednesday, February 04, 2004 9:59 PM
Subject: Re: Dolphin making progress.. someone just MIGHT want to have a
look at this


> On Wed, Feb 04, 2004 at 09:41:37PM +0100, Karosa Alabaster wrote:
> > also the qemu main site is http://fabrice.bellard.free.fr/qemu/
> > what docs contain about mmu:
> > For system emulation, QEMU uses the mmap() system call to emulate the
target
> > CPU MMU. It works as long the emulated OS does not use an area reserved
by
> > the host OS (such as the area above 0xc0000000 on x86 Linux).
> > It is planned to add a slower but more precise MMU emulation with a
software
> > MMU.
>
> Yes... but even mmap() is quite slow if a modern OS is emulated. Mapping
> (and flushing) page ranges is a very heavy operation. I guess one could
get
> away with it if one runs an older system that does not play around that
> much with the MMU context, but it will definitely have a severe
performance
> impact on e.g. Mac OS X.
>
> /Samuel
>
>
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