> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Cheryl Walker
>
> John,
>
> Marianne Hammer of IBM gave an excellent SHARE presentation
> that showed the changes between releases. Go to
> www.share.org, click on Orlando Proceedings to the left, then
> search for session #2530. There is first a section about
> going from z/OS 1.7 to 1.8, where the goal had changed from
> being +/- 1% of equivalency to improving the performance.
> The performance improvement ranged from 1.6% (low n-way) to
> 4.8% (high n-way). For 1.8 to 1.9, the goal was a 5%
> improvement and their LSPR benchmarks showed a 5.2% improvement.
>
> Your mileage may vary, so it's very important to use WSC's
> free tool called SoftCap (WSC PRS268), which lets you enter
> the breakdown of your workloads to see what your expected
> change will be.
Thanks for the info. It appears that, despite the "inviting" verbiage
on the SoftCap download page, the tool is not "generally available" for
download. I get "access denied" when I try to download it.
-jc-
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