Linked by Thom Holwerda on Tue 17th Nov 2009 16:13 UTC
Windows Microsoft's Professional Developers Conference is currently under way, and as usual, the technical fellows at Microsoft gave speeches about the deep architecture of Windows - in this case, Windows 7 of course. As it turns out, quite some seriously impressive changes have been made to the very core of Windows - all without breaking a single application. Thanks to BetaNews for summarising this technical talk so well.
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by Bill Shooter of Bul on Tue 17th Nov 2009 18:09 UTC
Bill Shooter of Bul
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"A lot of people might think, 'Wow, 97 megabytes doesn't seem like a lot of free memory on a machine of that size'," said Wang, "And we like to see this row actually be very small, 97 MB, because we figure that free and zero pages won't generally have a lot of use in this system. What we would rather do, if we have free and zero pages, is populate them with speculated disk or network reads, such that if you need the data later, you won't have to wait for a very slow disk or a very slow network to respond."

That is the ideal situation in which a user's applications do not use much memory, except that which is used for loading objects off disk. That is not my typical usage of an operating system. Why can't I just control the amount of memory it uses for cache? Do what you want for default, but let me tweak it, for heavens sake. If you're right that the default behavior of cache everything is so correct, then I'll admit I'm wrong after trying to improve upon it.

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