Performance measurements
The performance measurements in this information were made on the IBM® z15® system. The programs used were batch-type (non-interactive) applications. Unless otherwise indicated, all performance comparisons made in this information are referencing CPU time performance and not elapsed time performance.
Note: Except where otherwise noted, performance comparisons
in this document are measured using microbenchmarks. Each microbenchmark
is designed to highlight the compiler's performance improvement in
a specific area. Real programs typically use a mix of features. A
program will only see a performance improvement from improvements
in the compiler if the program spends a significant percentage of
its time executing code that is affected by those improvements.