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Allocation and write policy for a glueless area-efficient directory cache for hotly contested cache lines
Allocation and write policy for a glueless area-efficient directory cache for hotly contested cache lines
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机译:竞争激烈的高速缓存行的无胶粘区高效目录高速缓存的分配和写入策略
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摘要
Methods and apparatus relating to allocation and/or write policy for a glueless area-efficient directory cache for hotly contested cache lines are described. In one embodiment, a directory cache stores data corresponding to a caching status of a cache line. The caching status of the cache line is stored for each of a plurality of caching agents in the system. An write-on-allocate policy is used for the directory cache by using a special state (e.g., snoop-all state) that indicates one or more snoops are to be broadcasted to all agents in the system. Other embodiments are also disclosed.
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