Multi-Level Cache Prediction and Partitioning Mechanism in CMP

Provided by: AICIT
Topic: Hardware
Format: PDF
In the Chip Multi-Processor (CMP) environment, the LRU replacement algorithm of high associativity multi-level cache has seriously hindered the improvement of the whole system performance. One major reason is that in the LRU replacement algorithm, a cache block, after its last use, remains in the cache for a long time until it becomes the LRU block, then it will be replaced; however it does not necessarily to take up cache space before replacement. Therefore, the authors should find a more appropriate selective replacement algorithm to replace LRU algorithm.

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