Because I want (well, customers demand) maximum performance on the machines they typically have, but one or two pesky customers want to run on an older machine.
Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Bob Shannon Sent: Wednesday, November 25, 2015 11:23 AM To: [email protected] Subject: Re: Straightforward way to determine hardware architecture level? Why not compile with a level that will work on all machines on which you will run? If you compile with ZS-2 you can run back to a z990. The bad news is that your code will be optimized for a z990. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
