You should worry more about the CLC that has two references to storage In a message dated 2/16/2014 8:58:08 A.M. Atlantic Standard Time, allan.stal...@kbmg.com writes:
Without testing, I believe ICM will be much slower than LOAD HTH <Snip> or ICM Rx,B'1111',CURRENT JZ SKIP A Rx,SUM ST Rx,SUM SKIP DS 0H In a message dated 2/16/2014 8:51:07 A.M. Atlantic Standard Time, mike.a.sch...@gmail.com writes: Would this be even faster? CLC CURRENT,=F'0' JZ SKIP L Rx,CURRENT A Rx,SUM ST Rx,SUM SKIP DS 0H On Sun, Feb 16, 2014 at 3:10 AM, Binyamin Dissen <bdis...@dissensoftware.com> wrote: > Say I have two words, > > CURRENT DS F > SUM DS F > > I want to add CURRENT to SUM, but most of the time CURRENT will be zero. > CURRENT and SUM are not adjacent (different data lines) > > Which is best > > L Rx,CURRENT > A Rx,SUM > ST Rx,SUM > > > or > > L Rx,CURRENT > LTR Rx,Rx > JZ SKIP > A Rx,SUM > ST Rx,SUM > SKIP DS 0H > </snip> ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
