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