Jamesm:
“Of course in practice, on 32bit Windows, you still have the problem of actually getting a contiguous memory block greater than ~1.5Gb.”
I didn’t say the OS had to be any good at it… 
Jamesm:
“Of course in practice, on 32bit Windows, you still have the problem of actually getting a contiguous memory block greater than ~1.5Gb.”
I didn’t say the OS had to be any good at it… 