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Selecting a cache aging policy for prefetching based on the cache test area
Selecting a cache aging policy for prefetching based on the cache test area
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机译:根据缓存测试区域选择缓存老化策略以预取
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摘要
A cache controller applies an aging policy to a portion of a cache based on access metrics for different test regions of the cache, whereby each test region implements a different aging policy. The aging policy for each region establishes an initial age value for each entry of the cache, and a particular aging policy can set the age for a given entry based on whether the entry was placed in the cache in response to a demand request from a processor core or in response to a prefetch request. The cache controller can use the age value of each entry as a criterion in its cache replacement policy.
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