[clue-talk] new processors

[Nate Duehr]

It gets crazier than that, since the newer Intel hardware/chips now "simulate" that they have more cores than they have to (supposedly) speed up things.  A "quad core" i7 "looks like" 16 cores to the OS... via "HyperThreading" technology...

On Jan 2, 2010, at 9:43 AM, chris fedde wrote:

> On Wed, Dec 30, 2009 at 7:25 AM, Louis Miller <miller106c at comcast.net> wrote:
>> Hello,
>> 
>>       Could someone send me a hyperlink to an article that would explain how
>> it would be so much faster, please? Something for the non-computer
>> scientist, if possible. Or if someone wants to explain it and can through
>> e-mail that would be okay, too.
>> 
> 
> I realize that this is an older message but thought I'd respond and
> expand on some other responses.
> 
> The 2.6 Linux kernels are written to take advantage of mult-core
> architectures.  This means that typical single threaded applications
> buy themselves will not see any speedup but since more than one time
> slice can be run at once the over all system performance improves.
> 
> Here is a pointer to a white paper with excruciating detail:
> http://www.silicon.com/white-papers/components/2009/12/24/multi-core-and-linux-kernel-60295311/
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--
Nate Duehr
nate at natetech.com

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