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2. 发明公开

EP0817065A1 Methods and apparatus for a coherence transformer for connecting computer system coherence domains 失效
标题翻译：方法和装置用于Kohärenzumwandler用于连接计算机系统一致性域
公开(公告)号：EP0817065A1
公开(公告)日：1998-01-07
申请号：EP97304519.8
申请日：1997-06-25
申请人： SUN MICROSYSTEMS, INC.
发明人： Hagerstein,Erik E , Hill , Mark Donald , Wood , David A.
IPC分类号： G06F12/08
CPC分类号： G06F12/0813 , G06F12/082 , G06F12/0826 , G06F2212/622
摘要： An apparatus for facilitating the sharing of memory blocks, which has local physical addresses at a computer node, between the computer node and an external device. The apparatus includes snooping logic configured for coupling with a common bus of the computer node. The snooping logic is configured to monitor, when coupled to the common bus, memory access requests on the common bus. There is also included a snoop tag array coupled to the snooping logic. The snoop tag array includes tags for tracking all copies of a first plurality of memory blocks of the memory blocks cached by the external device. Further, there is included a protocol transformer logic coupled to the snooping logic for enabling the apparatus, when coupled to the external device, to communicate with the external device using a protocol suitable for communicating with the external device.
摘要翻译：为促进存储器块的共享，这在计算机节点具有本地的物理地址，所述计算机节点之间和到外部设备的装置。该装置包括窥探构造成用于与计算机节点的公共总线耦合的逻辑。窥探逻辑被配置为监视，当耦合到公共总线，该公共总线上的存储器存取请求。因此，存在包括耦合到所述监视逻辑窥探标签阵列。探听标记阵列包括用于跟踪由外部设备高速缓存的存储块的存储块的第一多个的所有副本的标签。此外，存在被包括耦合到所述监视逻辑用于使得的装置中，当耦合到外部设备，使用适合于与外部设备进行通信的协议的外部设备进行通信的协议转换逻辑。

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