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    • 38. 发明授权
    • Multiprocessor with staggered processing
    • 具有交错处理的多处理器
    • US4428048A
    • 1984-01-24
    • US229269
    • 1981-01-28
    • Edwin P. Berlin, Jr.
    • Edwin P. Berlin, Jr.
    • G06F13/36G06F13/37G06F15/16G06F15/80
    • G06F15/8015G06F13/37
    • A data processing system includes a set of modules for processing data applied to the modules from a common data bus. The data is presented serially, with individual words of the data being separated by strobe signals. The time interval allocated for processing by a module extends over a plurality of data words. The processing operations of the respective modules are initiated in staggered time, the operations overlapping each other in time. A daisy chain comprising individual units in each module propagates a strobe signal along the chain for initiating the respective operations. Each daisy unit includes a circuit for performing the exclusive-OR function between a present and a previous daisy signal propagated between successive units of a chain. Increased throughput and fault tolerance are thereby provided upon a variation in the number of modules, such a variation in the number of modules being accomplished without the necessity of re-writing the system software.
    • 数据处理系统包括一组用于从公用数据总线处理应用于模块的数据的模块。 数据以串行方式呈现,数据的单个字由选通信号分隔。 分配用于由模块处理的时间间隔在多个数据字上延伸。 各个模块的处理操作以交错的时间开始,操作在时间上彼此重叠。 包括每个模块中的各个单元的菊花链沿着链传播选通信号以启动相应的操作。 每个菊花单元包括用于执行在链的连续单元之间传播的当前和先前菊花信号之间的异或功能的电路。 因此,在模块数量的变化方面提供了增加的吞吐量和容错度,这样在不需要重新编写系统软件的情况下实现模块数量的变化。