The big advantage of 64 bit on the mainframe is the elimination of paging. Using hundreds of address spaces that are potentially 1-2 GB each spread over 32GB or more instead of paging in and out with much smaller amount of memory.
On Sun, Mar 12, 2017 at 3:01 AM, Bill Woodger <[email protected]> wrote: > Decimal floating point is nothing to do with being "64-bit" or not. > > The compiler is prepared for 64-bit when customer need arises. > > V7 is coming. I don't know when, or what it contains, but it contains > something to be V7 not V6.n. > > If it were to be 64-bit addressing, I doubt that... people... will be writing > to unequivocally applaud that. Expect the snarky "16 years late" (or any > other number, it doesn't really matter) at least. At worst it will be "more > proof" of something-or-other (it doesn't matter what). > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
