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From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] SMB for DOS ?
Date: Sat, 18 Dec 2004 18:32:24 +0000	[thread overview]
Message-ID: <200412181832.24252.paul@codesourcery.com> (raw)
In-Reply-To: <20041218181323.GB8020@mail.13thfloor.at>

> > I hope you will not forget us poor mac users. Optimizing x86 on ppc
> > performance would make a number of people very happy, I'd say.
>
> performance on ppc can become very good because
> there are much more registers available for emulating
> the x86 stuff ...

The really slow bit tends to be MMU emulation, and more host registers doesn't 
help here. Mapping all guest registers directly onto host registers probably 
doesn't make all that much difference as the values will tend to be in L1 
cache anyway.

Paul

  reply	other threads:[~2004-12-18 18:44 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-16 22:38 [Qemu-devel] SMB for DOS ? Fabrice Bellard
2004-12-16 22:48 ` Adrian Smarzewski
2004-12-16 23:10   ` Fabrice Bellard
2004-12-16 23:32     ` Adrian Smarzewski
2004-12-16 23:34     ` Johannes Schindelin
2004-12-16 23:41       ` Fabrice Bellard
2004-12-16 23:41     ` Laurent Amon
2004-12-16 23:49       ` optimizations, was " Johannes Schindelin
2004-12-18 18:13       ` Herbert Poetzl
2004-12-18 18:32         ` Paul Brook [this message]
2004-12-18 20:48           ` John R. Hogerhuis
2004-12-19  1:05             ` André Braga
2004-12-19  5:27           ` Herbert Poetzl
2004-12-18 18:03     ` Herbert Poetzl
2004-12-16 23:04 ` Ryan Underwood
2004-12-17 11:14 ` Andreas Bollhalder
2004-12-17 12:43   ` malc

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