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    • 6. 发明授权
    • Scalable replacement method and system in a cache memory
    • 缓存中可扩展的替代方法和系统
    • US06694408B1
    • 2004-02-17
    • US09562062
    • 2000-05-01
    • Javier VillagomezMayank GuptaEdward T. Pak
    • Javier VillagomezMayank GuptaEdward T. Pak
    • G06F1200
    • G06F12/121G06F12/124
    • The invention provides a system and method for executing a replacement selection algorithm embedded in each associativity of a cache memory architecture. Each associativity in a cache has an internal control logic that governs the process for replacing a cache line when a certain condition occurs, such as a presence of a TagHit. A designated set of control signals is used in an associativity control logic for corresponding with an external control logic. An associativity control logic within an associativity provides an internal capability to determine whether a TagHit condition occurs as well as volunteering the associativity for replacement. The preferred replacement algorithm is implemented using an approximation to Not the Most Recently Used Associativity (NMRU).
    • 本发明提供了一种用于执行嵌入在高速缓存存储器架构的每个关联性中的替换选择算法的系统和方法。 高速缓存中的每个关联性具有内部控制逻辑,该内部控制逻辑控制在特定条件发生时替换高速缓存行的过程,例如TagHit的存在。 指定的一组控制信号用于与外部控制逻辑对应的关联控制逻辑。 关联性内的关联性控制逻辑提供内部能力来确定TagHit条件是否发生,以及志愿者的替代关联性。 使用不是最近使用的关联性(NMRU)的近似来实现优选的替换算法。