freebsd under qemu - slow

[Warner Losh]

On Jun 10, 2011, at 6:14 AM, Atom Smasher wrote:

> new laptop:
> LENOVO, 4313CTO, ThinkPad T510
> Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz
> Integrated Graphics Chipset: Intel(R) Arrandale
> 4G RAM (DDR3-10600)
> 
> old laptop:
> Acer, Navarro, Aspire 5100
> AMD Turion(tm) 64 Mobile Technology MK-36 1995.02-MHz
> 2.5G RAM
> 
> apparently video on freebsd isn't yet working out with the Arrandale, so i'm running ubuntu on the newer laptop and trying to get freebsd running under qemu. it's working, but it's painfully slow. a few CPU benchmarks show my old laptop running ten times faster!!!
> 
> CPU benchmarks between ubuntu on the new hardware and freebsd on the old hardware, ubuntu is running about twice as fast. i'd hope to get freebsd/qemu running at least as fast as the old hardware.
> 
> am i doing something wrong, or is this as good as it gets?

Are you using the hardware virtualization acceleration features of qemu?  Are they enabled in your BIOS?  I found they made a huge difference on VirtualBox  (which you might also try: it has worked for me better than qemu)

Warner