Mailinglist Archive: opensuse-factory (297 mails)

["Edward Dunagin" <edunagin@xxxxxxxxx>]

On 1/17/07, Robert Love <rml@xxxxxxxxxx> wrote:
> On Wed, 2007-01-17 at 21:23 +0100, Per Jessen wrote:
>
> > So, does my Celeron processor support hyperthreading?  I'm fairly
> > certain it does not, which is why the HT flag seems to be misplaced.
>
> Your processor does support hyperthreading, architecturally speaking,
> hence the HT flag.  But you have only one virtual core.  So for all
> practical purposes, your chip is not hyperthreaded.
>
> > > To programmatically see if a chip physically has HT cores, you have to
> > > look at the "physical id" and "core id" fields.
> > > And the Prescott-based Celeron D family, such as yours, supports SSE 2
> > > and 3.
> >
> > Ah, interesting.  How do you tell from my cpuinfo that it is a Celeron
> > D?
>
> Just from the name and the speed and the other flags.
>
> > And is there an SSE3 indicator/flag?
>
> Yes, PNI (stands for Prescott New Instructions).
>
>         Robert
hey fellows and gals, this confuses me to no end.<sigh>

here is my cat /proc/info

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 3
model name      : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping        : 4
cpu MHz         : 2806.601
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 3
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
constant_tsc pni monitor ds_cpl cid xtpr
bogomips        : 5616.79

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 15
model           : 3
model name      : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping        : 4
cpu MHz         : 2806.601
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 3
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
constant_tsc pni monitor ds_cpl cid xtpr
bogomips        : 5613.15

It sure looks like I have 2 processors.

What say you?


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Edward Dunagin-Dunigan-Dunnigan
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