[plug] "Hyper-Threading, suffers from a serious security flaw,"

Quintin Lette qlette at gmail.com
Sun May 15 11:38:51 WST 2005


As I said, we use HT for our terminal servers :) HT is task specific,
as is SMP (although SMP rarely impedes performance, but for Terminal
Services HT is highly beneficial)

On 5/15/05, William Kenworthy <billk at iinet.net.au> wrote:
> On some types of very specific server type tasks HT can actually hurt
> performance - as much as 30% on figures Ive seen on one test
> (bioinformatics databases).  Has to do with the fact its a psuedo 2 cpu
> setup with one short and one long pipeline: blocking where time is
> wasted seems to be the cause.  However, on an average desktop system HT
> has some nice advantages in improving responsiveness.  Lots on google.
> 
> BillK
> 
> 
> On Sat, 2005-05-14 at 22:45 +0800, Senectus . wrote:
> > On 5/14/05, Bernard Blackham <bernard at blackham.com.au> wrote:
> > > Intel Xeons come with HT. I've seen those in a lot of servers :)
> > Are you sure?
> > I've never seen a Xeon with HT..
> > I couldn't image anyone taking HT seriously for a server purpose...
> >
> >
> --
> William Kenworthy <billk at iinet.net.au>
> Home!
> 
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>



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