In addition, program code responsive to a read command from {TAIL ~ a host} directed to a memory location determines whether data for that memory location has been buffered in a cache before executing {HEAD ~ the read} for that location 
In addition , program code responsive to a read command from { TAIL ~ a host } directed to a memory location determines whether data for that memory location has been buffered in a cache before executing { HEAD ~ the read } for that location
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH