Good point. Though I wouldn't call "unable to handle the full 2^64" a real limitation. For all practical purposes (in 2014), 2^48 is essentially inexhaustible.
And 2^64? Just *how* big is 2^64? Well, why don't I let Roger describe it to you: http://www.jsoftware.com/jwiki/Essays/2%5E64 -Dan Please excuse typos; sent from a phone. > On Jun 12, 2014, at 10:02 AM, bill lam <[email protected]> wrote: > > I don't think current cpu hardware or os can support full 2^64 address space. > > Probably in the range of 2^48 > >> On 12.06.2014, at 21:05, Björn Helgason <[email protected]> wrote: >> >> A process has a 4GB virtual address space (VAS); each address >> from 0 to 2^32 can have a byte value. >> >> Is this 2^64 in 64 bit? >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
