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    • 4. 发明公开
    • 멀티-클래스 데이터 캐시 정책들
    • 多级数据缓存政策
    • KR1020100057516A
    • 2010-05-31
    • KR1020090112619
    • 2009-11-20
    • 엔비디아 코포레이션
    • 글래스코,데이비드비.홀름큐비스트,피터비.린치,조지알.마챈드,패트릭알.로버츠,제임스
    • G06F12/08G06F9/06
    • G06F12/126
    • PURPOSE: Multi-class data cache policies are provided to evict data from an intermediary cache coupled to one or more clients and to an external memory. CONSTITUTION: A method for evicting data from an intermediary cache coupled to one or more clients and to an external memory comprises the steps of: receiving a command from a client that includes an associated memory address(502,504); identifying one or more cache lines within the intermediary cache to store data associated with the command based on the memory address(506); determining that there is a cache miss relative to one or more cache lines; and causing at least part of the data residing in one or more cache lines to be evicted, or stalling the command based on one or more eviction classes associated with the data residing in one or more cache lines(508-512), wherein each eviction class reflects a different likelihood that data associated with the eviction class will be reused by the client or a different client.
    • 目的:提供多类数据高速缓存策略以从耦合到一个或多个客户端和外部存储器的中间缓存驱逐数据。 构成:一种用于从耦合到一个或多个客户端和外部存储器的中间缓存中取出数据的方法,包括以下步骤:从客户端接收包括相关联的存储器地址的命令(502,504); 识别所述中间缓存内的一个或多个高速缓存行,以基于所述存储器地址存储与所述命令相关联的数据(506); 确定相对于一个或多个高速缓存行存在高速缓存未命中; 并且使得驻留在一个或多个高速缓存行中的数据的至少一部分被驱逐,或者基于与驻留在一个或多个高速缓存行(508-512)中的数据相关联的一个或多个驱逐类别来停止命令,其中每次驱逐 类反映出与驱逐类相关联的数据将被客户端或不同客户端重用的不同可能性。