It is not (and never was) expected to be repeatable. >From the fine SMF Manual (in this case the z/OS 1.7 version):
"CPU time is not expected to be constant between different runs of the same job step. For more information on CPU time, see Chapter 11, CPU Time." HTH, <snip> I got this question time to time: What is the maximum CPU time difference for the same job, between repeated runs, under different system load ? </snip> ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

