Well, even 32bit x86 can address more than 4GB memory, but at least there you have to use horrible hacks like PAE. When the native data size is smaller than the

Well, even 32bit x86 can address more than 4GB memory, but at least there you have to use horrible hacks like PAE. When the native data size is smaller than the address space, taking advantage of the full address space and working with large data sets becomes a hassle.