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First post, by Pailes

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Hello Everybody,

i was wondering why Virtual PC is so much faster in emulating the x86.
I'm not talking about Virtual PC for x86 (which might be kind of a virtualization
layer like VMWare), i'm talking about the Virtual PC version that runs on
a Mac (PowerPC).
On my old G4 450Mhz Virtual PC comes close to a Pentium computer.
It still runs Win2K to an acceptable extent.

Don't get me wrong, i really think DOSBox is a great emulator and it's
much more compatible than Virtual PC, but what the hell is it what makes
Virtual PC that fast? Is it only because of its fast dynamic recompilation
core?
Would it be possible to gain similar speeds when having a specialized
x86=>PowerPC emulation core?

Cheers,
Peter

Reply 1 of 1, by Qbix

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First of all virtual PC is much older then dosbox hence more developped

The speed comes probably from dynamic retranslation
(as our x86-x86 dynamic core)

I have no idea what the speeds of virtual PC are but a dynamic core in dosbox that handles ppc would give a boost of 400 % or so .

Water flows down the stream
How to ask questions the smart way!