[CentOS] HT (Hyper Threading) on CentOS 5.5
Sorin Srbu
sorin.srbu at orgfarm.uu.se
Fri Mar 9 07:44:53 UTC 2012
-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf
Of fred smith
Sent: den 9 mars 2012 07:17
To: CentOS mailing list
Subject: Re: [CentOS] HT (Hyper Threading) on CentOS 5.5
On Fri, Mar 09, 2012 at 11:15:29AM +0530, Kaushal Shriyan wrote:
> Hi,
>
> Do we need HT enabled on CentOS release 5.5 (Final) and Kernel Version :-
> 2.6.18-194.el5
I don't think it harms anything to have it enabled, and there may be
some small performance gains in some cases. I'd leave it on.
=============================
What are some of the cases it would be practical/best to have it off?
I know there might be some negative performance issues with certain
applications, but would you notice it in day-to-day use?
--
/Sorin
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