[CentOS] HT (Hyper Threading) on CentOS 5.5

Johnny Hughes johnny at centos.org
Fri Mar 9 06:52:30 EST 2012


On 03/08/2012 11:45 PM, Kaushal Shriyan wrote:
> Hi,
>
> Do we need HT enabled on CentOS release 5.5 (Final) and Kernel Version :-
> 2.6.18-194.el5
> Please help me understand the pros and cons of having HT enabled or
> disabled on the Server Dell R 710.
>
> cat /proc/cpuinfo -> http://fpaste.org/K2dT/
>
> Do let me know if anyone needs more information.
>

Hyperthreading is not enabled or disabled in CentOS ... it is something
that you enable or disable on your machine in the computers BIOS settings.

If Hypertheading is enabled in your BIOS, then CentOS sees 2x the
processors from your machine at boot up time.

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