IBM is wrong. Tom is right. He lives for moments like this. ;-) Optimization occurs at the load module end only. You might view ABO as a stop-gap on the road to compiler upgrade. You get savings now even while (you may be) upgrading at the source end. ABO-optimized code is not as efficient as V5/V6, but it can be substantially better than native V4 code.
Note that Tom's reference to 'program object' does not mean that you must necessarily use PDSE. As discussed here before, one compiler upgrade problem that some shops have is historically sharing load libraries across sysplex boundaries. Convenient but not advisable even for PO. PDSEs cannot be shared that way. In order to migrate production load modules to multiple PDSEs, the whole migration process might have to be rewritten. That could take more work than the compiler upgrade itself. . . J.O.Skip Robinson Southern California Edison Company Electric Dragon Team Paddler SHARE MVS Program Co-Manager 323-715-0595 Mobile 626-302-7535 Office [email protected] -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Tom Conley Sent: Wednesday, October 12, 2016 8:07 AM To: [email protected] Subject: (External):Re: ABO Automatic Binary Optimizer On 10/12/2016 10:50 AM, Lopez, Sharon wrote: > Does anyone know if this product, Automatic Binary Optimizer, will actually > migrate Cobol V4 to V6 for you? Our IBM reps are telling us that it will > actually do the migration for you. Based on what I've read, it is a > performance product and I didn't see that capability. > > Thanks to everyone in advance. > ABO only creates an optimized LOAD MODULE (program object). It does not convert your source to V6, and it will not give you all the optimizations of V6. Your biggest payback is if you upgrade your CPU, then you can run your load modules through ABO and get some of the optimization provided by the new hardware. Regards, Tom Conley ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
