Arbitration circuit capable of changing the priority and arrival

Details Arbitration circuit capable of changing the priority and arrival Arbitration circuit capable of changing the priority and arrival

1993-06-09

1997-04-01

Harvey, Jack B.

395293, G06F 1318

Patent

active

056175450

ABSTRACT:
A parallel computer network wherein an arbitration circuit for performing arbitrating operation over a plurality of processing requests at the same time at high speed is provided in a crossbar network control circuit to thereby prevent the processing requests not selected from being kept awaited for a long time. The arbitration circuit includes a priority bit change circuit which has a plurality of adders for adding a preset value to the priority information of the each awaited processing request and also has a plurality of comparators for detecting the requests being awaited.

REFERENCES:
patent: 4375639 (1983-03-01), Johnson, Jr.
patent: 4536839 (1985-08-01), Shah et al.
patent: 4814974 (1989-03-01), Narayanan et al.
patent: 5195185 (1993-03-01), Marenin
patent: 5317696 (1994-05-01), Hilgendorf

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