[clue-talk] new processors

[chris fedde]

So as always the real answer is: "It Depends".  A "real world" desktop
environment a few extra cores will make your experience a bit
snappier.  A reasonably recent motherboard with a good built in GPU
and a single modern multi-core processor will likely give good
performance.  Consider that the performance gap between disk/network
speed has grown so large that much of the time a modern processor is
waiting around for L2 cache to be loaded anyway.

http://duartes.org/gustavo/blog/post/what-your-computer-does-while-you-wait

On Sun, Jan 3, 2010 at 12:08 PM, Nate Duehr <nate at natetech.com> wrote:
> 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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