Off-Topic > Off-Topic - Tiny Tux's Corner

Instantly switch between TC and windows XP

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Ulysses_:

--- Quote from: curaga on March 11, 2011, 03:24:32 PM ---Many products do this, but they are always VMs, both of them, Win and Lin.

The only thing running on the hw in these cases is the hypervisor, which can be fairly low level.

--- End quote ---

Actually vmware is running certain parts of user software at full speed, eg a function that does not access memory or peripherals, most machine code instructions are NOT emulated.

Ulysses_:

--- Quote from: curaga on March 11, 2011, 03:32:54 PM ---Or you could run linux on the base, with a Windows VM running full screen on one virtual desktop. I've seen that solution too.

--- End quote ---

Running full speed because of a special cpu support, called V or something like that?

EDIT: Oopsa, I misread full screen as full speed, sorry.

vinnie:
vbox require "guest-addiction" driver to v.machine at max, the combination left-ctrl + f switch on full screen.
vmware have full screen, but i use this only on windows.

maro:

--- Quote from: vinnie on March 11, 2011, 03:54:57 PM ---... vbox require "guest-addiction" driver to v.machine at max ...
--- End quote ---

That is simply INCORRECT! VBox does not need the VBox-additions to be installed in the guest OS to run the guest OS at the maximum speed. The achievable speed depends on the HW of the host e.g. whether it supports Intel's VT-x or AMD-V or non of them. The VBox-additions have as such no influence on this, they are rather supporting (optional) features like mouse integration, video drivers, shared folders etc.

I personally use VBox (and QEMU) a lot and hardly ever use the VBox-additions for TC VMs. I'm happy to use Xvesa, instead of Xorg which one would need to use with the VBox-additions video driver to gain anything from it.

Ulysses_:
Off-topic question: With a VT-x/AMD-V cpu can you run a windows xp guest on a linux host at full speed?  What if the linux host is 64-bit and the xp guest is 32-bit?

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