On Wed, 21 Mar 2007 14:19:41 -0700, Steve Comstock wrote: > >So of course, the answer to your question is, "it depends"; on >what your programs are doing. Still, 30% seems high? If you are >not running on a machine that supports the new floating point >registers and instructions you may also be seeing some software >simulation going on, don't know. >
We're on a z9BC. We've got some other code changes in the process that I'm trying to isolate from the ARITH(EXTEND) impact to see if this is really 30% attributable to the ARITH option change. I'd still be interested in hearing what others have experienced in reality. We seem to be in the upper range of IBM's performance impact analysis. Are you ??? ---------------------------------------------------------------------- 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
