Is FFXIV ARR going to use WOW64 again?

[Eekiki]

So by your laws, 34.67% of the world then?

I can only dream...

[tymora]

x64 ARR will allow some of us to almost completely cache the game in memory...heh...

[Alhanelem]

This is true. However, if FFXIV is going to support modding as SE has claimed it eventually will, the modding community will be limited in what they're able to do with the limited amount of address space unless SE makes a true 64 bit client.

And on general principle, it's 20-friggin'-13. If someone isn't using a 64-bit OS at this point, they shouldn't be computering.

The whole reason transition to 64-bit has been slow is it takes a lot to be able to realize the benefits. The primary benefit is, as you mentioned, being able to address more memory - but few applications need anywhere near that amount of memory - and being able to use larger float and int variables (signed 32 bit integers max out at + and - 2.1 billion) efficiently, again, something not every application can benefit from. Tying in with your post, It's extremely unlikely that any add-ons would need the extra memory space- on top of that, using this space would basically guarantee the add-on wouldn't work with the ps3 version which doesn't have that much memory (in the event the ps3 version supports add-ons, which is certainly possible but unlikely. A few games [or at least one] such as Unreal Tournament 3 support the use of custom mods made on the PC version of the game)

The transition from 16 to 32 bit PC software (and from 8 to 16) was very quick because the benefits were much larger in those cases.