Guys, Add me to that result list too.
Thx for all the work Skip.. Regards, Scott On Friday, April 1, 2016, Sam Siegel <[email protected]> wrote: > Thanks for sending this out. We will be looking at ABO soon. I'll be very > interested to see your ABO results. > > Sam > > On Fri, Apr 1, 2016 at 5:09 PM, Jesse 1 Robinson <[email protected] > <javascript:;>> > wrote: > > > An update for anyone who cares. My motivation was to get a preview of how > > real application programs might benefit from ABO. As an electric utility, > > we have millions of customers and millions of account records. We don't > do > > elaborate calculations for most customers. Think what it might take to > > produce your monthly bill. Many factors are included, but neither > > astronomical nor particle physics gets dragged in to determine how much > > juice you burned and what you're on the hook for. I beefed up my program > a > > bit to add more arithmetic so that each O/P record now involves addition, > > multiplication, division, and square root (just for fun). And a lot of > > records. > > > > I also took David Jousma's prime number program (thanks!) to use as a > > second test case. > > > > Running bare metal, David's program uses about 1/3 second of CPU time on > a > > z12. Mine takes a little over half a minute. How these results compare > with > > real-life work is still a guess, but the application folks are totally > > saturated with another project right now. For me it's either try > something > > or do nothing. ABO results are pending. > > > > P.S. my COBOL is now 1000% better than it was a week ago! > > > > . > > . > > . > > 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] <javascript:;> > > > > -----Original Message----- > > From: IBM Mainframe Discussion List [mailto:[email protected] > <javascript:;>] On > > Behalf Of Bill Woodger > > Sent: Friday, April 01, 2016 1:04 AM > > To: [email protected] <javascript:;> > > Subject: (External):COBOL Rookie Problem > > > > I know what you're saying, and would normally agree where "incremental" > > performance benefits were expected - knocking up a couple of test > programs > > may not reflect what would normally occur. > > > > However, this is far from incremental. V4 generates "ESA" machine-code. > > ABO can do ARCH 10 or 11. In the example, DFP (if used by ABO) is going > to > > provide substantial performance improvements on arithmetic with > > zoned-decimal. There is still improved performance with packed-decimal. > > Leads to the idea that all decimal arithmetic will improve. > > > > I few verification programs before tossing it at real programs seems to > me > > a good idea, in this type of case. If something doesn't work as expected, > > it can be investigated in isolation, without having to untie it from > other > > stuff, or, more likely, miss it altogether. > > > > On Friday, 1 April 2016 08:49:21 UTC+1, Andrew Rowley wrote: > > > On 01/04/2016 06:26 PM, Bill Woodger wrote: > > > > Andrew, I don't think it would be difficult at all. Especially for > > ARCH 11, there's some substantial differences in that example of what > code > > would be possible (with V5 or V6), so it will be interesting to see if > the > > ABO takes full advantage. > > > > > > I'm not doubting that there would be benefits, just whether you could > > > quantify them from a test program. It's hard to predict whether the > > > benefits would be more, less or the same. > > > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] <javascript:;> with the message: > INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] <javascript:;> with the message: > INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
