{HEAD ~ A fast load} may flush {TAIL ~ the cache} and run an application containing the entire instruction set 
flush
{ HEAD ~ A fast load } may flush { TAIL ~ the cache } and run an application containing the entire instruction set
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH