Linked by Jordan Spencer Cunningham on Wed 7th Oct 2009 19:15 UTC, submitted by JayDee
Microsoft has been thinking about Windows 8 for a while now even through the production of Windows 7. Some information has been gathered by our friends over at Ars, and all of this said information points to possible 128-bit versions of Windows 8 and definite 128-bit versions of Windows 9. Update: Other technophiles better-versed than I in this whole 64/128-bit business pointed out that it must be for the filesystem (such as ZFS described in this article) rather than the processor and memory scheme.
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Member since:2006-01-22
Well and a lot of your data (at least the pointers) are suddenly twice as big: you *need* more memory! Using < 4GB RAM with a 64bit OS gives less usable memory than with a 32bit OS. Only if you have significantly more than 4GB RAM 64bit has advantages memory wise. AMD64 has other advantages though: "better" assembler and twice as much registers -> this property should be faster. But bigger pointers = more memory to copy = slower memory operations. So some things are better with 64bit, some aren't.
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Member since:
2007-01-18
Well, you can address more memory I suppose.