Pentium 805D has an interesting surprise

Bob King bob.king.1138 at gmail.com
Wed Apr 25 17:01:07 EDT 2007


On 4/25/07, Bill McGonigle <bill at bfccomputing.com> wrote:
>
> Right, 'ht' just reports whether the CPU knows it has hyperthreading
> or knows it doesn't have hyperthreading.  This tripped me up for a
> good hour once!
>
> I have a 2.5GHz P4 here without hyperthreading, but it knows that it
> doesn't:
>
>    $cat /proc/cpuinfo
>    flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge
> mca cmov pat
>    pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe up cid xtpr


That seems a bit odd.So you are saying the flag indicates only that it
understands that flag, rather than has that capability? Wouldn't it be more
useful to show what capabilities it HAS rather than those it knows about?
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