The processor array may include several processor clusters, such that {HEAD ~ the quiescing, removing and powering down steps} apply to {TAIL ~ all processors} in one of the processing clusters 
apply to
The processor array may include several processor clusters , such that { HEAD ~ the quiescing , removing and powering down steps } apply to { TAIL ~ all processors } in one of the processing clusters
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH