Re: [off-topic] Fully virtualisable CPUs (fwd)
Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 13 Sep 1996 21:47:59 +0100 (BST)
> > No, but this is a pure software emulator so its nothing like as fast as a
> > virtual machine.
> I'm sorry, but isn't it a virtual machine regardless of how it's
> implemented? Even if it _is_ as slow as a dog?
Ok. Bad working. To be fast the emulator needs to rewrite blocks of code
into native code (as some of the Alpha translators do, and Executor). The
386 to 386 translator intrigues me now, since it seems tricky but doable
(page table write semantics are sick).
Alan