CA Tech Tip from Karina Pulinx, Principal Support Engineer , for May 24,2016 .
Lately we have had several z/OS CA Datacom customers , mostly CA Datacom/AD customers , who were looking into buying a ZIIP processor and wanted to know if they could find out now how much work could run on a ZIIP .
I referred them to technical document
TEC1811962 : How to implement zIIP for CA Datacom.
You find a PDF in that Techdoc with a number of FAQs .
As mentioned you need to start the MUF in SRB mode . Estimated system statistics are then captured in Dynamic System Table SYSADM.MUF_SRB_ZIIP .
That table (as mentioned in the CA Datacom/DB System Tables Reference Guide ) has following columns :
ZIIP_ON_CP_SECONDS:
If the ZIIP Multi-User startup option was specified for this
SMP subtask, this is the total CPU seconds spent on a standard (non-zIIP)
processor that would have run on a zIIP processor but a zIIP processor was not
available. If the ZIIP Multi-User startup option was not specified, this column is 0 .
ZIIP_QUAL_SECONDS:
The total time in seconds for which this SMP subtask was
qualified to run on a zIIP processor.
Refer to the CA Datacom 14.0 Database and System Administration Guide which has a discussion on this benefit analysis.
High I/O applications will have less zIIP-enabled work since SRBs cannot do I/Os. Application systems with high buffer re-use or high Memory Resident Data
Facility (MRDF) usage will have more zIIP-enabled work.