Hyperthreading hurts 5.3?
Jonathan Chen
jonc at chen.org.nz
Tue Jan 11 21:29:02 PST 2005
On Wed, Jan 12, 2005 at 12:02:37AM -0500, Bryan Fullerton wrote:
> On Tue, 11 Jan 2005 23:52:11 -0500, Timothy Luoma <lists at tntluoma.com> wrote:
> >
> > sorry to be dense, but which should be enough, BIOS or conf file?
> >
> > is the default to use or not use hyperthreading in the kernel/conf?
>
> By default the system will detect a HTT processor, but can only launch
> the second 'virtual' CPU core if you recompile the kernel with the SMP
> option enabled.
Not true on 5.3+ GENERIC systems. If you look at dmesg, you'll see the
second virtual CPU launched as well as the extra column in top(1) if
you enable HTT in the BIOS.
--
Jonathan Chen <jonc at chen.org.nz>
----------------------------------------------------------------------
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