Advanced Technical Sales
z13; z13s; z14; z15; z/OS
|Abstract: This document describes a new technique to identify Store Into Instruction Stream (SIIS) inefficiency by using CPU MF Counters. |
There are several components to the document. This paper describes what is SIIS, CPU MF Counters and the new metric, SIIS Indicator %, along with thresholds and recommended actions. Also provided are the slides that accompany the paper.
In addition, there is also a link to a 2006 TechDocs that describes the processor design considerations and the code it expects to execute.
Finally, there is a paper that contains remediation examples of assembler programs with SIIS impacts.
IBM System z Software
SIIS z/OS Efficiency Assembler, z15, z14, z13, #IBMZPERF, #IBMZCAPPLAN
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