On Tue, 5 Feb 2008 09:15:18 +0100, Miklos Szigetvari wrote:

>Hi
>
>Thank you for everybody.
>It is a very interesting track.
>
>    We have a z/800 machine , and we try to evaluate the performance
>our document generation product. Between the different versions
>sometimes changes which
>can  affect the CPU utilization.
>  In the future we try to establish "nearly the same" test environment
>(system load, LPAR activity etc)
>to evaluate the performance.

Now I understand why you asked.  If I were you, I'd run your benchmark a few 
times with the old and new version and compare the results.  Perhaps even try 
a few with the system heavily loaded and lightly loaded to see how much 
variation you see.

-- 
Tom Marchant

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