Re: Help understanding slow down

Phy Prabab
2004-05-24T07:50:27Z

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NO HT, disabled in bios and did not enable in kernel:
cat /proc/cpuinfo|grep processor|wc -l
2
grep SMT .config (2.6.7-rc1)
# CONFIG_SCHED_SMT is not set

On 2.4.21 I also include "append=noht"

Thanks!
Phy

--- Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Phy Prabab wrote:
> > For more information, I ran the same test on
> 2.4.21
>
> ...
>
> Is hyperthreading enabled on 2.6 and 2.4? Can you
> send
> a cat /proc/cpuinfo | grep processor for a 2.4 and a
> 2.6
> kernel please?
>
> If you have hyperthreading enabled, try 2.6.7-rc1
> with
> SMT (hyperthreading) scheduler support enabled in
> the
> kernel config. It is in processor type and features
> menu.
>

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