Multiprocessor with staggered processing

Details Multiprocessor with staggered processing Multiprocessor with staggered processing

1981-01-28

1984-01-24

Thomas, James D.

Boots, shoes, and leggings

G06F 1516

Patent

active

044280483

ABSTRACT:
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.

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