> when they run both systems both systems in parallel for > 6 months, and try to find the cause of the two systems giving different > results
I see issues there--the Horizon scandal in UK suggests a different possibility, where they either don't run the 2 systems in parallel and simply throw the switch over, or they do, but blame any difference on people after they get some rent-a-mouth to state the code is working fine. Roops On Fri, 4 Apr 2025, 18:15 Colin Paice, < [email protected]> wrote: > They may be able to automate changing the code to a fancier language - > that's the "easy bit" > > I can see the problems occurring when they run both systems in parallel for > 6 months, and try to find the cause of the two systems giving different > results - this is the hard bit. > I remember having problems when we changed the version of the compiler... > it exposed a timing window - and this was on the same code base! > This situation is when you need tracing etc in the programs, which you will > not from the automatic conversion. > Colin > > > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
