CACHE MEMORY DEVICE, CONTROL UNIT OF CACHE MEMORY, INFORMATION PROCESSING APPARATUS, AND CACHE MEMORY CONTROL METHOD

摘要

A cache memory device including a cache memory that includes a plurality of entries and includes at least one block including data and a status representing a status of the data for each entry and a control unit that performs replacement of the data on each block of the cache memory, wherein the control unit includes a counter that counts the number of replacements by which the data is replaced in each entry for each entry and a switching unit that switches a replacement scheme of the data according to the number of replacements.