More specifically, according to the cache device and the method in the invention, a higher utilization ratio for {HEAD ~ a cache memory} than the prior art can be obtained, and a cache process can be performed in a high speed with regard to {TAIL ~ a high capacity cache memory} 
More specifically , according to the cache device and the method in the invention , a higher utilization ratio for { HEAD ~ a cache memory } than the prior art can be obtained , and a cache process can be performed in a high speed with regard to { TAIL ~ a high capacity cache memory }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL