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热词
    • 4. 发明授权
    • Apparatus and method for prefetching data to load buffers in a bridge
between two buses in a computer
    • 用于预取数据以在计算机中的两条总线之间的桥中加载缓冲器的装置和方法
    • US5664117A
    • 1997-09-02
    • US603688
    • 1996-01-20
    • Nilesh ShahJasmin AjanovicDahmane Dahmani
    • Nilesh ShahJasmin AjanovicDahmane Dahmani
    • G06F5/06G06F13/40G06F13/00
    • G06F5/065G06F13/4059
    • A bridge circuit providing for efficient data transfer between a first bus and a second bus in a computer system. The bridge circuit receives an address indicating a memory location storing a data segment requested to be transferred from the first bus to the second bus. Fetch circuitry fetches the requested data from the first bus and prefetches one or more additional data segments stored in memory locations sequentially following the memory location storing the requested data. The prefetched data segments are stored in a buffer for immediate access by subsequent data transfer requests. Supply circuitry transfers each data segment from the buffer to the second bus in response to receiving an address corresponding to the particular data segment on the address input circuitry.
    • 一种提供在计算机系统中的第一总线和第二总线之间有效数据传输的桥接电路。 桥接电路接收指示存储要求从第一总线传送到第二总线的数据段的存储位置的地址。 获取电路从第一总线获取所请求的数据,并且在存储所请求的数据的存储器位置之后顺序地预取存储在存储单元中的一个或多个附加数据段。 预取的数据段存储在缓冲器中,以便通过后续数据传输请求立即访问。 响应于接收到对应于地址输入电路上的特定数据段的地址,供应电路将每个数据段从缓冲器传送到第二总线。