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1-11-2012 @ 1:56PM
On the issue of RAM and game performance:If you have a 64-bit OS and enough ram (more than 4GB) then the OS uses the extra memory to cache files (ok, pages really). This means that when WoW asks the OS to give it some data from disk (like when you're loading an instance) with more memory, its more likely that the OS will have it in memory, which is an order of magnitude (or more) faster than reading from a hard disk. This happens even if you're running a 32-bit client on a 64-bit OS. WIth 16GB of RAM, I've seen Windows 7 cache up to 5GB in memory, which can make a pretty big difference when loading between zones.
1-12-2012 @ 12:49AM
Caching happens on 32 bit OSes there's just a lot more of it if you have more RAM.Also, with the right hardware and 32 bit OS (Linux, some others) you can use more than 4 GB RAM total, although it remains the per application limit. However, as I understand some versions of Windows keep the limit at 4 or something. Mac OSX has been 64 bit for a couple versions, and nearly every Intel Mac has the hardware to make use of it.OK so Linux isn't a WoW platform.
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