Re: [Libreoffice] [PUSHED] remove unused declaration - an unlikely fix for armel segfault in regcomp

On 2/2/11 10:01 PM, Kevin Hunter wrote:
> At 3:31pm -0500 Wed, 02 Feb 2011, Michael Meeks wrote:
> > On Wed, 2011-02-02 at 13:44 +0000, Wols Lists wrote:
> > > Not quite sure what you mean by "legacy Intel", but if you're
> > > referring to all single-processor CPUs, they still power most of
> > > the budget brand new laptops!
> >
> > Surely those guys are hyper-threaded by now ? at least the Atom
> > (which is cheap as chips [sic] ;-) is.
>
> I recognize this comment was in gest, but thought I'd chime in with a 
> tidbit.  I believe that Intel removed HTT after the Pentium 4 chip.  
> Of note, as well, is that hyperthreading (HTT) is not as "universal" 
> an upgrade as true multi-core chips.  In fact, the general practice in 
> the High Performance Computing (HPC) community is to turn off 
> hyperthreading because it degrades performance for most workloads.
>
> A further note is that there is some skepticism as to the security of 
> HTT, in terms of side-channel monitoring of in-core process data.
>
> Actually, now that I just wrote the above, I seem to recall a 
> discussion of HTT technology in the Nehalem chip.  When I have time, I 
> might research that ...
>
> Cheers,
>
> Kevin
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Kevin you are right the current i7's support HTT. It has come back with 
a vengeance. the i5's and the i3's don't support hyper threading.