Linked by Thom Holwerda on Thu 17th May 2007 14:58 UTC, submitted by danwarne
Windows "It's the end of the line for 32-bit operating systems, Microsoft has proclaimed at its annual Windows Hardware Engineering conference After the software giant has gotten over its hangover from partying like it's 1999 with the release of Windows Server 2008, it will have one last 32-bit hurrah with a 'release 2' update to Windows Server 2008, and that'll be it. 32 bit CPU: if you have one, learn to love Vista - you're stuck with it.There will be no more versions of Windows - on desktop or server - that will work on 32-bit CPUs like Pentium 4 or Core Duo."
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RE: Dumb
by anevilyak on Thu 17th May 2007 15:58 UTC in reply to "Dumb"
anevilyak
Member since:
2005-09-14

It's not as simple as needing more RAM, address space is much more crucial. Even without having 2GB or so of physical RAM in the system, you still have to account for the fact that you have to map things like graphics card RAM, etc. into the virtual address space. As this gets increasingly larger, the 32-bit address space gets more and more crowded which can also result in not being able to effectively use the RAM you have. A 64-bit address space would allow all of that memory mapped hardware to be handled much more cleanly. That's not even counting that in the case of x86-64 you also have extra visible registers and such.

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