US Patent 10282295 Reducing cache footprint in cache coherence directory
Patent 10282295 was granted and assigned to Advanced Micro Devices on May, 2019 by the United States Patent and Trademark Office.
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A method includes monitoring, at a cache coherence directory, states of cachelines stored in a cache hierarchy of a data processing system using a plurality of entries of the cache coherence directory. Each entry of the cache coherence directory is associated with a corresponding cache page of a plurality of cache pages, and each cache page representing a corresponding set of contiguous cachelines. The method further includes selectively evicting cachelines from a first cache of the cache hierarchy based on cacheline utilization densities of cache pages represented by the corresponding entries of the plurality of entries of the cache coherence directory.
US Patent 10282295 Reducing cache footprint in cache coherence directory
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