Method and apparatus for replacing cache lines in a cache memory

摘要: A cache memory replacement algorithm replaces lines based on the likelihood that will not be needed soon. in accordance with present invention includes a plurality of are accessed associatively, count entry associated each line storing value defines class. The is typically loaded when accessed, indicating contents In other words, data which likely to soon assigned higher class, while more speculative and less lower When becomes full, selects for those having lowest Accordingly, selected contain most least