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Adaptive cache prefetching based on competing dedicated prefetch policies in a dedicated cache set to reduce cache pollution
Adaptive cache prefetching based on competing dedicated prefetch policies in a dedicated cache set to reduce cache pollution
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机译：基于专用高速缓存集中竞争性的专用预取策略的自适应高速缓存预取，可减少高速缓存污染
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摘要
An adaptive cache prefetching based on competing dedicated prefetch policies in a dedicated cache set to reduce cache pollution is disclosed. In one aspect, an adaptive cache prefetch circuit is provided for prefetching data into the cache. The adaptive cache prefetch circuit is configured to determine which prefetch policy to use as the replacement policy based on competing dedicated prefetch policies applied to the dedicated cache set in the cache. Each dedicated cache set has an associated dedicated prefetch policy that is used as a replacement policy for a given dedicated cache set. Cache misses for accesses to each of the dedicated cache sets are tracked by an adaptive cache prefetch circuit. The adaptive cache prefetch circuit uses a dedicated prefetch policy that resulted in fewer cache misses for its respective dedicated cache set to reduce cache pollution and pass the prefetch policy to other followers in the cache (i.e. Can be configured to apply to non-dedicated) cache sets.
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