Windows 7 Scalable Enough To Support 256 Cores

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shadow2get

In the zone
Though obviously Microsoft has taken a fair amount of heat regarding Windows Vista, there's probably a directly proportional level of hype on their next mainstream OS, Windows 7. Projected by some to be the OS that Vista should have been, and still by others to be nothing more than Vista on steroids (perhaps just a six-pack of Red Bull, depending on who you talk to); there's plenty of rumor, gossip, leaked and public information to go around to keep your mind off your troubled Vista installation that just crashed again for the eleventh time today. However, when it comes to unreleased OS information, we like to spend our bandwidth listening to trusted sources close to the development of the product, rather than buzz around in hear-say land.

That said, a good source you might want to consider for your dose of Windows 7 juice could very well be Microsoft's Channel 9 site, a Microsoft developer outreach site and member community staffed by several Microsoft employees. As an example, recently one of Microsoft's Technical Engineering Fellows in their Core OS division gave an interview regarding some new enhancements coming to the Windows 7 kernel. The long and short of it is that Windows 7 will be up to 256-core aware and capable of that level of multithreading. Think that's enough? It should be for a while anyway. Give a listen to Microsoft's Mark Russinovich, if you really want to put your thinking cap on...

Mark Russinovich: Inside Windows 7

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One very important change in Windows 7 kernel is the dismantling of the Dispatcher Spin Lock and redesign and implementation of its functionality into separate components. This work was done by Arun Kishan (you've met him here on C9 last year). The direct result of this great work is that Windows 7 can scale to 256 processors and enabled the great Landy Wang to tune Windows Memory manager to be even more efficient than it already is.

Now the question is, will these new kernel enhancements actually make it into the OS? With the way things are scaling with mutli-core processors these days (and their relative importance to MS... Larabee anyone?), we'd say the chances are pretty good this one will see the light of day.
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Cool G5

Cool G5

Conversation Architect
Thinks like M$ doesn't want to develop Vista any more.
Now all over it's WIN 7, What about Vista? Have they lost faith over it?

And 256 cores, let people first get 2 or 4 cores, then only they can think about 256.
 
MetalheadGautham

MetalheadGautham

AFK
256 cores ? The world's fastest supercomputers with thousands of cores (and CPUs) run linux. So what ? Big deal. To 99.9999% of the users, it means nothing at all. The max you need to support in the next 8 years is 16 cores and thats a fact.
 
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chandru.in

In the zone
Yawn! Guess Windows 7 is the most hyped Windows release. There are much more scalable OSes out there. And as others said it really doesn't matter.

Ask them first fix their security layer beyond just informing the user "Program X is running. Do you want to allow?" when any program (good or bad) runs, beyond that if system is affected all they can do is blame the user for allowing it.

Users will continue to hit enter if some pop-up always appear whenever they do something (good or bad). Do all of us really read and think before hitting "Yes" after a "Shift + Delete"?
 
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chandru.in

In the zone
Just for info, thought 64 core is not exactly there, there are super powerful processors from Sun which have 64 hardware thread (Ultrasparc T2)/
 
nvidia

nvidia

-----ATi-----
^^There's a processor which was developed by Intel in B'lore which has 80 cores.. They plan to release such processors within the next 5 years..
 
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chandru.in

In the zone
Ultrasparc T2 is out there in the market running on production servers unlike Intel's which is yet to come out. Anyway no CPU flaming here. :D
 
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chandru.in

In the zone
As I already pointed out it is not 64 cores but it has 64 hardware threads viz 8 hardware threads per core. Which basically means it can process 64 concurrent instructions.
 
JojoTheDragon

JojoTheDragon

.
Looks like M$ wants to release Dx11 with WS 7 as the released Dx10 with vista.
So my guess Dx11 will be mind boilingggg. WOOOOOOOW!!!!
So it may recommend 256 cores.
 
nvidia

nvidia

-----ATi-----
^^Exactly.. And i dont know whats so 'wooooow' about it.. DX10 failed to impress many people.. Let games implement DX10 and DX10.1(is it out?) completely.. Then we can think about DX11 and what it has to offer..
 
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