Dual stream processor apparatus

Details Dual stream processor apparatus Dual stream processor apparatus

1983-11-04

1987-01-27

Thomas, James D.

Boots, shoes, and leggings

G06F 1100

Patent

active

046398562

ABSTRACT:
A dual stream processor apparatus, for use in a multiprocessor computer system, is disclosed. The multiprocessor computer system includes at least a first processor and a second processor. A first apparatus and a second apparatus is included in both the first processor and the second processor for use when either the first or the second processor is inoperative. The first apparatus, disposed within the inoperative processor, suspends the functional operation of the inoperative processor. The second apparatus, disposed within the inoperative processor, transmits a miss signal to the other remaining functionally operational processor. When the other remaining processor receives the miss signal, it will not subsequently attempt to locate desired data in the cache of the inoperative processor. Rather, the other remaining processor will search for the desired data in the main memory in the event it cannot locate the data in its own cache.

REFERENCES:
patent: 4385351 (1983-05-01), Matsuura
patent: 4400775 (1983-08-01), Nozaki
patent: 4443849 (1984-04-01), Ohwada

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