[GRLUG] virtual box/cpu speed"

[Bob Kline]

On Wed, Mar 23, 2011 at 11:21 PM, Michael Mol <mikemol at gmail.com> wrote:

> Sure, there's a speedup with quad-core. Your computer has dozens of
> processes, and the ability to service more at the same time reduces latency.
>
> Additionally, some server services scale very well to multiple cores.
> HTTPd, for example. If you use soft RAID on Linux, and have the appropriate
> kernel option enabled, checksum calculations for RAID modes 4, 5, and 6 will
> be split across your cores.
>
> Desktop apps are catching up, too. If you use Firefox, Flash is kept as a
> separate process, a scenario which benifits from more cores (see my note on
> latency near the beginning). If you use Chrome or Chromium, each _tab_ is a
> separate process, which leverages multicore for app-wide performance
> improvements.
>
> These days, hanging at two cores when looking at making a purchase doesn't
> make sense.
>
> Right now, I believe the price/performance sweet spot is at three cores. It
> will probably be at four by the end of summer.
> On Mar 23, 2011 10:25 PM, "west mi" <west.mi420 at gmail.com> wrote:
> > Do you think there is a significant speed difference between the dual and
> > quad core cpu's?
> > I havent used anything but single and dual cores.
> > I switched several years back to dual core, and did notice a significant
> > speed up.
> >
> > Do you think vbox can fully utilize a quad core?
> > I hesitate on going to a quad core, because I don't know if today's
> software
> > can
> > fully utilize 4 cores.
> >
> > thanks,
> > Darrin
> >
> > On Wed, Mar 23, 2011 at 11:55 AM, Topher <topher at codeventure.net> wrote:
> >
> >> On Wed, 23 Mar 2011, west mi wrote:
> >>
> >> Anyone have win7 working in vbox?
> >>> And does it work good?
> >>>
> >>
> >> I'll chime in.
> >>
> >> I have a 32bit win7 install on my 32bit Arch linux laptop. The host has
> 2G
> >> of ram and I give one to the vm. I use Photoshop in it and it works just
> >> fine.
> >>
> >> I copied that vm to my 64bit arch host and that went flawlessly. Now
> that
> >> vm has 2G of its own, and 2 of my 4 processors. Still using photoshop,
> but
> >> it screams right along. It takes 5-7 seconds to go from power on to
> login,
> >> and maybe 12 seconds to reboot.
> >>
> >> I really like VirtualBox.
> >>
> >> topher
> >>
> >>
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