AMPSUBZ parameter: Difference between revisions
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<p>For more information about zIIP processing, refer to the Rocket <var class="product">Model 204</var> System Manager's Guide. </p> | <p>For more information about zIIP processing, refer to the Rocket <var class="product">Model 204</var> System Manager's Guide. </p> | ||
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Revision as of 14:38, 19 April 2013
Summary
- Default value
- None
- Parameter type
- System
- Where set
- On User 0's parameter line or reset by system manager
- Related products
- All
- Introduced
- Model 204 V7.4
Description
Applies to z/OS only
On a z/OS system, Model 204 zIIP support enables you to offload Model 204 work from regular processors to zIIP processors.
AMPSUBZ specifies the number of active zIIP subtasks.
Note: MP subtasks and zIIP subtasks may be used together. Therefore, AMPSUBS, NMPSUBS, AMPSUBZ and NMPSUBZ may all be greater than zero. However, to avoid unnecessary overhead:
- Do not set AMPSUBS greater than the number of central processors actually available.
- Do not set AMPSUBZ greater than the number of zIIP processors actually available.
For more information about zIIP processing, refer to the Rocket Model 204 System Manager's Guide.