Methods, systems, and mediums are described for scheduling {HEAD ~ data parallel tasks} onto {TAIL ~ multiple thread execution units} of processing system 
onto
Methods , systems , and mediums are described for scheduling { HEAD ~ data parallel tasks } onto { TAIL ~ multiple thread execution units } of processing system
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH