This invention concerns {HEAD ~ a resource} held in computer memory and {TAIL ~ multiple parallel processors} which require simultaneous access to the resource 
held in
This invention concerns { HEAD ~ a resource } held in computer memory and { TAIL ~ multiple parallel processors } which require simultaneous access to the resource
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH