专利名称：Cache allocation mechanism for biasing
subsequent allocations based upon cachedirectory state
发明人：Robert Alan Cargnoni,Guy Lynn
Guthrie,William John Starke,Jeffrey AdamStuecheli
申请号：US10425459申请日：20030428公开号：US07103721B2公开日：20060905
专利附图：
摘要：An improved method and apparatus for selecting invalid members as victims in aleast recently used cache system. An invalid cache line selection unit has an input
connected to a cache directory and an output connected to a most recently used updatelogic. In response to a miss in the cache, an invalid cache line is identified from informationin the cache directory by the invalid cache line selection unit. This invalid cache line isupdated to be the next victim by the most recently used update logic, rather thanattempting to override the current victim selection by a least recently used victimselection logic. The next victim also may be selected in response to a cache hit in whichinformation from the cache directory also is read.
申请人：Robert Alan Cargnoni,Guy Lynn Guthrie,William John Starke,Jeffrey AdamStuecheli
地址：Austin TX US,Austin TX US,Round Rock TX US,Austin TX US
国籍：US,US,US,US
代理人：Duke W. Yee,Thomas E. Tyson,Mary Adams-Moe
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