On Mon, 4 Jan 2010 09:27:48 -0600, Mark Zelden wrote: > >How many 32bit pointers can fit in 30G? I think 4026531840 - which >would represent 3840T of virtual storage (if my math is correct - which >it probably isn't). I'm getting dizzy thinking about these large numbers. > Well, 32768 1MiB pages fit below 32GiB, so those can be identified by 15-bit pointers (reserving 1 bit for ?). I surmise this allows compaction of the page table by a factor of 2.
I'd say "abbreviated" rather than "compressed". -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
