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    • 9. 发明授权
    • Method and apparatus including a probe filter for shared caches utilizing inclusion bits and a victim probe bit
    • 包括用于使用包含位的共享高速缓存的探测过滤器和受害者探针位的方法和装置
    • US09058269B2
    • 2015-06-16
    • US13532009
    • 2012-06-25
    • Robert KrickJohn M. KingTarun Nakra
    • Robert KrickJohn M. KingTarun Nakra
    • G06F12/08
    • G06F12/0811G06F12/0815G06F12/0822G06F12/0831G06F12/084G06F2212/62G06F2212/621
    • A method and apparatus use one or more inclusion bits and a victim bit to filter probes to shared caches. One embodiment of the method includes filtering a probe or snoop of one or more of a plurality of first caches based on a plurality of first bits, such as inclusion bits, associated with a line indicated by the probe or snoop. Each of the plurality of first bits is associated with a different subset of the plurality of first caches and each first bit indicates whether the line is resident in a corresponding subset of the plurality of first caches. A second bit, such as a victim probe bit, indicates whether the line is resident in more than one of the plurality of first caches in at least one of the subsets of the plurality of first caches. The first caches may be L1 caches and the first bits may be stored in an L2 cache of a multilevel cache.
    • 方法和装置使用一个或多个包含比特和受害者比特来将探测过滤到共享高速缓存。 该方法的一个实施例包括基于与由探测器或窥探指示的线相关联的多个第一比特(例如包含比特)来过滤多个第一高速缓存中的一个或多个的探测或窥探。 多个第一比特中的每一个与多个第一高速缓存的不同子集相关联,并且每个第一比特指示线是否驻留在多个第一高速缓存的相应子集中。 诸如受害者探测位的第二位指示在多个第一高速缓存的至少一个子集中该行是否驻留在多个第一高速缓存中的多于一个中。 第一高速缓存可以是L1高速缓存,并且第一位可以存储在多级缓存的L2高速缓存中。
    • 10. 发明申请
    • OLDEST OPERATION TRANSLATION LOOK-ASIDE BUFFER
    • 较旧的操作翻译书面缓冲区
    • US20140068175A1
    • 2014-03-06
    • US13599269
    • 2012-08-30
    • David KaplanJohn M. King
    • David KaplanJohn M. King
    • G06F12/10G06F12/00G06F12/08
    • G06F12/1027G06F9/30G06F9/3824G06F12/0888
    • A method is provided for dispatching a load operation to a processing device and determining that the operation is the oldest load operation. The method also includes executing the operation in response to determining the operation is the oldest load operation. Computer readable storage media for performing the method are also provided. An apparatus is provided that includes a translation look-aside buffer (TLB) content addressable memory (CAM), and includes an oldest operation storage buffer operationally coupled to the TLB CAM. The apparatus also includes an output multiplexor operationally coupled to the TLB CAM and to the oldest operation storage buffer. Computer readable storage media for adapting a fabrication facility to manufacture the apparatus are also provided.
    • 提供了一种用于将加载操作调度到处理设备并确定该操作是最早的加载操作的方法。 该方法还包括响应于确定操作是最旧的加载操作来执行操作。 还提供了用于执行该方法的计算机可读存储介质。 提供了包括翻译后备缓冲器(TLB)内容可寻址存储器(CAM)的装置,并且包括可操作地耦合到TLB CAM的最旧的操作存储缓冲器。 该装置还包括可操作地耦合到TLB CAM和最旧的操作存储缓冲器的输出多路复用器。 还提供了用于使制造设备适应制造设备的计算机可读存储介质。