Re: System value QPRCMLTTSK (Processor multi-tasking)

At 04:15 PM 04/05/2000 -0700, you wrote:

This system value is not very well documented, but IMHO you should have it 
set at the IBM default of '1'.

Al


>We recently upgraded one of our AS400's from a 620 to a multiprocessor
>model.  (Model 720, processor feature 207D, v4r4, not partitioned.)  We are
>now enjoying a very healthy performance boost.  Our QPRCMLTTSK system value
>is currently set to '0'.
>
>MY QUESTIONS:
>o  Is it a "no-brainer" to set this to '1' before the next scheduled IPL?
>o  Do you know of any special considerations or things to watch out for?
>o  Am I likely to notice a performance difference?
>
>
>This is all the Work Management manual says:
>
>         QPRCMLTTSK is processor multi-tasking. This system value allows you
>to turn on and turn off the processor multi-tasking capability. If enabled,
>more than one set of task data will be resident in each CPU. Some work load
>may experience increased performance due to caching implications. The
>possible values for processor multi-tasking are:
>
>
>         '0': Processor multi-tasking is turned off.
>
>         '1': Processor multi-tasking is turned on.
>
>
>         On a partitioned system, change this system value from the primary
>partition only.
>
>
>
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Al Barsa, Jr. - Account for Midrange-L
Barsa Consulting, LLC.  
400 > 390

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