>z900 and later processors have a separate caches for instruction fetch and >data fetch; usage DOES have a significant effect on performance
9672's and later. I remember SAS having issues with this long before z. Optimisation of ASM is an art that has long lost its need. You can take the savings toss in $5 and buy a beer. Now, optimisation of I/O is where you will find your benefits. When in doubt. PANIC!! ---------------------------------------------------------------------- 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
