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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2005-07-24
Just as a point of note, the maximum physical memory allowed by current amd64 designs is 1TB. The largest server that I, personally, administer has 48GB. So I'm probably fine for about 8 years with the current hardware limit. Of course... the 48GB box is way overspec'd. It would be quite comfortable with 16GB. So really more like 10 years. The full capacity of 64 bit memory addressing will probably be fine for most servers for at least 25 years. But let's face it. With a little more attention to efficiency in the software, no one should ever need more than about 640GB.
I should probably have also mentioned the the numbers I'm using for physical addressing on amd64 are only 2^52 and not 2^64. It's a page table limit. The true capacity of 64 bit addressing would get me by for over 50 years. And any current or soon to be 512GB users would be fine for about about 42 years. Deep Thought might have been 128 bit, I suppose.
Edited 2009-10-08 15:03 UTC