"I'm trying to understand why some sites are running multiple CICS regions because 2 GiB is not enough. Yet they haven't gone to AM64..."
Who is going to pay for programmer time to convert applications to 64-bit? The cost of running mulitple 2GB regions is less than the cost to convert the applications, debug and test them. Joe On Fri, Apr 5, 2019 at 12:55 PM Paul Edwards <mutazi...@gmail.com> wrote: > Hi Mike. > > I'm trying to understand why some sites > are running multiple CICS regions because > 2 GiB is not enough. Yet they haven't > gone to AM64. I want to know if they > would be interested in going to AM32 > instead, if it were available. Can you > elaborate? If AM32 was more practical > for them, they would be able to halve > the number of CICS regions they have. > > BTW, Rob Prins recently updated his > 47,000-line RPF assembler program to > make it AM32-clean, and it required > very little effort. He was using "VL" in > a variety of places, but the things he > was calling were not actually variable > parameter functions, so he just needed > to delete the VL. No rewrite was > necessary, as would be required if > moving to AM64. > > Thanks. Paul. > > > > > On Fri, 5 Apr 2019 02:41:15 -0500, Mike Schwab <mike.a.sch...@gmail.com> > wrote: > > >If you are wanting to run in AM64 and use 32 bit constants, that is > >certainly possible. You will then be limited to incrementing > >registers by 4GiB or less. Just establishing addressability will need > >to set all 64 bits. > > > >On Thu, Apr 4, 2019 at 2:40 PM Paul Edwards <mutazi...@gmail.com> wrote: > >> > >> On Thu, 4 Apr 2019 19:32:01 +0000, Martin Packer < > martin_pac...@uk.ibm.com> wrote: > >> > >> >They will be (running 64-bit). However, apart from Db2*, much of their > >> >virtual storage components can't tolerate being above the bar. > >> > >> Which virtual storage components can't tolerate > >> being above the bar, and why is that and what > >> would need to change? > >> > >> Thanks. Paul. > >> > >> ---------------------------------------------------------------------- > >> For IBM-MAIN subscribe / signoff / archive access instructions, > >> send email to lists...@listserv.ua.edu 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 lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
