On Tuesday 31 May 2011 20:55:08 Mark Knecht wrote: > On Tue, May 31, 2011 at 12:11 PM, Tanstaafl <tansta...@libertytrek.org> wrote: > > On 2011-05-31 1:31 PM, James wrote: > >> The only thing I've read online that may be applicable is that there > >> have been some issues with kernel panics when you give the guest OS > >> more than 1 processor. It would suck badly if SMP didn't work well on > >> vbox. > > > > My understanding is it is a general rule that you never give any VM more > > than one processor, regardless of which vm hypervisor you are running... > > My platform is a Gentoo i7-980 Extreme processor so I have 12 CPUs (6 > cores * 2 for hyperthreading) > > In Virtualbox I'm running both Gentoo and Win 7 VMs, each allocated 4 > processors. In Win 7 I have one app that uses everything it can find > so when it's running all 4 processors are 100% utilized. In Linux I > see the CPU usage at 33%. Win 7 is sluggish when this app is running > as it hogs from the system > > In VMWare Player I'm running Win XP VMs with 2 processors. None of my > apps in XP use more than 1 processor. XP itself is quite responsive > even when these apps are using 1 of the 2 processors dedicated the the > VM. > > I seldom run more than 1 app in any Windows VM as I don't trust > Windows. I've not had any problems with any of these VMs that I'd > associate with using multiple cores. > > And yes, I do own these Windows licenses. VMs keep that money useful > until some day some Linux apps come along that do what these do for me > in Windows.
A bit OT I guess, but what apps are you using that do not have a Linux alternative Mark? Answer off list if you wish so we do not hijack the thread. -- Regards, Mick
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