🚀 go-pugleaf

I was waiting for Hyperthreading and Linux

Some XP kids are going to seriously ponder the meaning of life if they read
your description.

Whats the point of hyperthreading if you can't see it!




"steveo" <steveo@fast24.co.uk> wrote in message
news:bgrqmf0vl9@enews1.newsguy.com...
> Linux is a bit more intelligent than windows in a few areas, one of
> which is processors.
> Linux can make use of threads on ONE standard cpu to achieve the effect
> of multiple CPU's.
>
> As I understand it, SMP is for motherboards using >=2 physical
> processors, which you are not. You have one processor which Linux will
> allocate multiple threads where applicable.
>
> Im not sure about this bit, but your P4 uses hyperthreading at a
> hardware level not at a software level.
>
> Basically you dont need SMP enabled in the kernel, Linux naitively uses
> threading where as Windows XP doesn't.
>
> Nice PC by the way :)
>
>
>
>
> Roberto Migliorati wrote:
> > Hi all,
> >
> > Please forgive the cross posting for cross posting, but I have done
> > extensive research on this subject and I didn't find any answer. I have
an
> > Asus P4S8X-X motherboard, based on the SiS 648 chipset and a Pentium IV
> > 3.06GHz with Hyperthreading enabled on the BIOS. Now under Windows XP
Pro
> > (SP1a) I can see two (virtual) processors happily chugging along, and
the
> > machine itself is *very* fast. I got rid of XP Pro (!!) and installed
Red
> > Hat 9.0, Mandrake 9.1, Gentoo 1.4 RC4, and now (at my happiest!!)
> > Slackware 9.0, *all* with the appropriate SMP kernels, or, in the case
of
> > Slackware that I am using now, recompiled the kernel with SMP enabled.
The
> > issue is that *no* Linux distribution, no matter what kernel version,
has
> > been able to show me two CPUs. Basically cat /cpu/procinfo still shows
me
> > *one* Pentium IV at 3066MHz, and yes, it does tell me that HT is enabled
> > and supported. Having a look at my dmesg doesn't help either, no clues
as
> > to why only one CPU is shown up and running, and no obvious errors of
any
> > sort. Now, is this normal? Should I see one CPU and not two?? Maybe the
> > kernel knows I have two virtual cores available and distributes the
> > processes accordingly? I suppose that having an SMP enabled kernel would
> > mean that all the appropriate task schedulers and so forth should be
> > there. But I am not sure. If anybody has any ideas or can shed any light
> > on this, please post an answer, or even email me directly with some
> > clues!!
> > Thank you for being so patient and for listening!
> >
> > Roberto.
>