Re: Virtual Machines/Emulators

Mike McCarty wrote:
> I recently developed a desire to run some emulators under Linux,
> and consequently have run some of them. Here are my opinions of them,
> based on install, ease of use, and speed of emulation.
>
> The emulators I tried are DOSEMU + Freedos, BOCHS + MSDOS 6.22, and
> QEMU + MSDOS 6.22. I found that each had advantages and disadvantages.
> I also ran MSDOS 6.0 natively.
>
> Two machines were used. One is an AMD 586 with 16MB of RAM and a
> 160 MHz processor. Another is a Presario with a 2.7 GHz Celeron.
> The AMD was used only for running MSDOS 6.0 natively. The Celeron
> was used to run the emulators with Linux, and also to do some
> native MSDOS 6.0.
>
> install share speed CPU hardware soft events
> DOSEMU easy easy fast low Intel only not all no
> BOCHS hard hard v.slow high Intel only all yes
> QEMU hard hard slow high multiple all no
>
> install: ease of installation
> share: ease of sharing files between emulation and Linux
> speed: speed of emulation
> CPU: how much CPU does the emulation burn
> hardware: emulates other than Intel hardware
> soft: runs all software
> events: supports emulating hardware events
>
> QEMU runs something like 5x to 10x as fast as BOCHS. DOSEMU runs
> 40x to 50x as fast as QEMU.
>
> BOCHS allows one to emulate various hard drives down to the
> level of CHS.
>
> Mike

I would like to see how VirtualBox stands up against the others. It seems to be the fastest emulator when it comes to Windows. Although this is only one person's opinion and there is no "scientific" evidence it just feels faster.

-Tom

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