The following table shows the defaults and value ranges for the VPCLASS parameter options.
| VPCLASS option | Class | Default Value | Range of Values |
|---|---|---|---|
| aio,num | AIO | (2 * number_of_chunks) or 6, whichever is greater, where number_of_chunks is the number of chunks allocated | 1 to 10,000 |
| cpu,num | CPU | 1 if MULTIPROCESSOR is 0,
2 otherwise |
1 to 10,000 |
| num | All other classes | 1 | 1 to 10,000 |
| max_VPs | All | Unlimited | 1 to 10,000 |
| affinity | All | VPs are assigned to available processors in round-robin fashion. | Integers from 0 to (number of CPUs -1) |
| noage | All | Priority aging is in effect . | noage or omitted |
| noyield | User defined | Threads will yield. | noyield or omitted |