The modern way is Transactional Execution. PLO was developed decades ago and works well by itself but doesn't co-exist well with CS/CDS. From a performance perspective transactional execution is the way to go (TBEGIN instruction, etc. but you need to check CVTTX for availability of the facility).
On Fri, Mar 3, 2023 at 4:38 AM Ituriel do Neto < [email protected]> wrote: > Guys, > > Thank you, that's exactly what I need. > I don't know how I didn't see it in Pop > > > Best Regards > > Ituriel do Nascimento Neto > z/OS System Programmer > > > > > > > Em quarta-feira, 1 de março de 2023 às 18:34:12 BRT, Seymour J Metz < > [email protected]> escreveu: > > > > > > In addition to the obvious instructions Phil mentioned, there is also PLO. > I don't have any relevant performance data. > > > -- > Shmuel (Seymour J.) Metz > http://mason.gmu.edu/~smetz3 > > ________________________________________ > From: IBM Mainframe Discussion List [[email protected]] on behalf > of Ituriel do Neto [[email protected]] > Sent: Wednesday, March 1, 2023 3:52 PM > To: [email protected] > Subject: CS/CDS instruction > > Hi all, > > Is there a similar instruction to CS or CDS, but using 64 bits register ? > > I have a double word that contains a counter and using 64 bits instructions > would be faster to increment this value than manipulate it with other > storage > areas and an even-odd pair of 32 bits registers. > > Thanks in advance > > > Best Regards > > Ituriel do Nascimento Neto > z/OS System Programmer > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] 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 > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] 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
