SIMULATED_CPU_COUNT in macro DSN6SPRM
Specifies the number of CPUs that are being simulated. This parameter is to be used for DB2® optimization modeling only. Valid values are OFF and numbers 1 - 255.
The parameter is online changeable.
The default value, OFF, means that DB2 optimizes for the number of CPUs on which it is running. This setting is recommended for production environments.