Questions like this are why I would really like to see "blind them with (computer) science" synopses of the kinds of optimisations.
But note: It's not working with the source code. Cheers, Martin Martin Packer, zChampion, Principal Systems Investigator, Worldwide Cloud & Systems Performance, IBM +44-7802-245-584 email: [email protected] Twitter / Facebook IDs: MartinPacker Blog: https://www.ibm.com/developerworks/mydeveloperworks/blogs/MartinPacker Podcast Series (With Marna Walle): https://developer.ibm.com/tv/category/mpt/ From: Paul Gilmartin <[email protected]> To: [email protected] Date: 11/04/2016 17:44 Subject: Re: Automatic Binary Optimizer (ABO) Sent by: IBM Mainframe Discussion List <[email protected]> On Mon, 11 Apr 2016 09:16:30 -0700, Ed Jaffe wrote: >On 4/8/2016 12:50 PM, Jesse 1 Robinson wrote: >> The real question is how closely this program resembles a real life application program here. Doing only one I/O is pretty extreme, but the ratio of pure computation to I/O may be high enough to show improvement overall. I'm now waiting for availability of application programmers to pursue this further. > >In POK just now, Sophia Lopez claimed clients (on z13?) are seeing >15-25% improvement using ABO. Of course, full recompile should see >considerably more... > Does ABO have its best-case improvement on certain worst-case input, such as where it can reduce operator strength, move redundant code outside loops, or remove otiose statements? (What are best-case candidates?) (It might be hardly productive to optimize code that should never have been written in the first place.) -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
