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You are here: Home / Tech / Windows 7 to support 256 processors

Windows 7 to support 256 processors

November 2, 2008 by Paul Spoerry Leave a Comment

Microsoft has been hinting that even though it had no plans to make major changes to the Windows kernel, it did have a scheme up its sleeve to make Windows 7 and Windows 7 Server better suited to working on multicore/parallel systems. Now details are becoming clearer as to how Microsoft plans to do this.

During the debut of the pre-beta of Windows 7 this week, Windows Engineering Chief Steven Sinofsky made a passing reference to Windows 7 being able to scale to 256 processors. But he never said how this would be enabled.

Mark Russinovich, Technical Fellow in Microsoft’s Core OS division, explained in more detail how Microsoft has managed to do this in a video interview published on Microsoft’s Channel 9 Web site. Russinovich said that Microsoft has managed to break the dispatcher lock in Windows — a task that had stumped even the father of the Windows NT operating system, David Cutler. When Cutler designed Windows for the server, systems beyond 32-way seemed far, far away, Russinovich said.

Presented below is video of Mark Russinovich (of sysinternals fame… ya seriously the guy is a geek hero) enlightens us on the new kernel constructs in Windows 7. 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.


Mark Russinovich: Inside Windows 7

Filed Under: Tech, Windows, Windows 7 Tagged With: microsoft, microsoft windows, operating system, Windows

About Paul Spoerry

I’m a groovy cat who’s into technology, Eastern Thought, and house music. I’m a proud and dedicated father to the coolest little guy on the planet (seriously, I'm NOT biased). I’m fascinated by ninjas, the Internet, and anybody who can balance objects on their nose for long periods of time.

I have a utility belt full of programming languages and a database of all my knowledge on databases... I practice code fu. Oh, I've also done actual Kung Fu, and have a black belt in Tae Kwon Do.

I run. I meditate. I dance. I blog at PaulSpoerry.com, tweet @PaulSpoerry, and I'm here on Google+.

I'm currently work for IBM developing web enabled insurance applications for IBM and support and develop a non-profit called The LittleBigFund.

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