I meant to also mention that ESPIE requires an SRB dispatch and and 2 TCB dispatches for each iteration, so there is uncaptured dispatcher time to consider when comparing performance.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY > > These are my results from a benchmark I did 4 years ago: > > Testcases which loop recovering/retrying from an > operation exception. > Using default system trace size - 1MB per CPU, with > 20 CPUs, so 20MB of data to snap) > z13 machine > > Recovery Iterations CPU seconds Ratio > ---------------- ---------- ----------- ----- > ESPIE x'200000' 3.53 1.0 > FRR x'200000' 45.66 12.9 > ESTAEX (no SNAPTRC) x' 20000' 98.95 28.0 > ESTAEX (SNAPTRC) x' 1000' 102.83 14,914.7 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
