CPUs (Processors) (Tools/APIs) Contents Available Tools Note Obtain information about CPUs (processors). Available Tools %SYSTEM.CPUOpens in a new tab class Holds information about available processors.Availability: All namespaces. %SYSTEM.UtilOpens in a new tab class Includes the NumberOfCPUs() class method, which you can use to discover the number of CPUs on the system.Availability: All namespaces. Note The special variable $SYSTEM is bound to the %SYSTEM package. This means that instead of ##class(%SYSTEM.class).method(), you can use $SYSTEM.class.method().