Re: Byte article - 64 bit Unix

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 27 Oct 1996 00:56:53 +0100 (BST)


> I think we need to distinguish a few things about 64 bit OS's...
>
> Does the user address space have 64 bit addressability?
> Do file offsets have 64 bit addressability?
> Does the CPU do 64 bit arithmetic?
> Do memory move and copy routines use 64 bit at a time?
>
> The first two directly enable a leap to larger applications, but
> the latter two just provide some increment in performance.
>
> How does Linux compare vs these quesitons?

YES YES YES and YES