>Has Z/os changed that number, if so what is the current number >before thruput either is not helped or there is a straight line >being nio help/no hurt ?
I believe that the answer is: a number no lower than the maximum number of processors that z/OS (and the machine) documents that you may define to a z/OS image. That by no means implies that the incremental benefit for moving from say 31 to 32 processors is the same as the benefit for moving from 3 to 4. If you have access to machines on which you can play, you could consider checking out the MP CPU Capability adjustment factors returned by the STSI instruction (CSRSI service). Peter Relson z/OS Core Technology Design [email protected] ---------------------------------------------------------------------- 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
