[CentOS] HT (Hyper Threading) on CentOS 5.5

Kaushal Shriyan kaushalshriyan at gmail.com
Fri Mar 9 03:32:59 EST 2012


On Fri, Mar 9, 2012 at 1:35 PM, Sorin Srbu <sorin.srbu at orgfarm.uu.se> wrote:

> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf
> Of John R Pierce
> Sent: den 9 mars 2012 08:54
> To: centos at centos.org
> Subject: Re: [CentOS] HT (Hyper Threading) on CentOS 5.5
>
> On 03/08/12 11:44 PM, Sorin Srbu wrote:
> > I know there might be some negative performance issues with certain
> > applications, but would you notice it in day-to-day use?
>

Hi Pierce

 > if you're using the server for pure floating point compute, don't run
 > more threads than you have actual cores.

Not sure i understand about your earlier comment regarding pure floating
point compute, help me understand with some examples.

Regards

Kaushal


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