cache means, connected to said processor means, for storing data for direct uninterrupted access to said processor means and including a first directory means reflective of {HEAD ~ the current validity status} of {TAIL ~ data} in said cache means to be accessed by said local processor means 
cache means , connected to said processor means , for storing data for direct uninterrupted access to said processor means and including a first directory means reflective of { HEAD ~ the current validity status } of { TAIL ~ data } in said cache means to be accessed by said local processor means
OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH