Re: To HT or not to HT?

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Jon Fanti wrote:

| Hi guys,
|
| We've started buying replacement servers for our aging equipment
| here (it took a while to squeeze the money out of the bean
| counters!), most of the new equipment is coming with HT (Hyper
| Threading)-enabled Xeon or P4 CPUs. Is it worth using HT with FC2?
| Mostly our servers are running apache and MySQL plus some PHP
| scripts. I can't find any where that says I should/shouldn't enable
| HT. What's the general recommendation? I'm tempted to just turn it
| off unless I am likely to notice a nice big performance gain from
| leaving it on?

Hi,

I have a HT enabled laptop and I have noticed a slight improvement
when multitasking.  Only downside I have had is with kernel modules
like ndiswrapper that don't support 2 CPUs.  For server use it should
be just what the doctor ordered.

When looking to buy a HT enabled computer I came across this great
example of performance:

http://www.2cpu.com/articles/41_4.html

Regards
Phil Hannent



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