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METHODS AND APPARATUS RELATED TO DATA PROCESSORS AND CACHES INCORPORATED IN DATA PROCESSORS
METHODS AND APPARATUS RELATED TO DATA PROCESSORS AND CACHES INCORPORATED IN DATA PROCESSORS
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机译:与数据处理器有关的方法和装置以及数据处理器中包含的缓存
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摘要
A cache includes a cache array and a cache controller. The cache array has a multiple number of entries. The cache controller is coupled to the cache array, for storing new entries in the cache array in response to accesses by a data processor, and evicts entries from the cache array according to a cache replacement policy. The cache controller includes a frequent writes predictor for storing frequency information indicating a write back frequency for the multiple number of entries. The cache controller selects a candidate entry for eviction based on both recency information and the frequency information.
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