Activating a zIIP Environment or Projecting zIIP Usage

The last step in zIIP enablement is to activate the use of the zIIP processor in the server. zIIP enablement is activated by the SET ZIIP command.

The SET ZIIP command has three options:

OFF. This setting prevents the server from offloading its processing to a zIIP.
ON. This setting causes the server to offload processing to a zIIP engine if you have a zIIP processor and the environment is properly APF-authorized.
ON/SIMMAXZIIP. This setting enables you to project zIIP processing in two different environments:
- You do not have a zIIP processor. Using this setting along with the PROJECTCPU parameter, you can project how much server workload would have been offloaded to a zIIP.
- You do have a zIIP processor. Using this setting you can project how much advantage you would achieve by offloading 100% of eligible server processing to the zIIP.

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