Data processing machine suitable for high-speed processing

Details Data processing machine suitable for high-speed processing Data processing machine suitable for high-speed processing

1985-12-12

1987-06-16

Chan, Eddie P.

Boots, shoes, and leggings

G06F 938, G06F 1300

Patent

active

046740341

ABSTRACT:
A modular data processing unit includes first through fourth memories and an arithmetic unit all connected in a recirculating pipeline mode. An interface unit couples an external bus to the pipeline bus at a point between the arithmetic unit and first memory, and the fourth memory provides outputs to either the arithmetic unit or the interface unit. Data, instructions and addresses are transferred to the first memory via the interface unit, which addresses the second memory for storing instructions. In accordance with the output of the second memory, data is stored in the third memory. The arithmetic unit operates on the data in accordance with the instructions, and the fourth memory acts as a buffer for temporarily storing data while awaiting transfer to the arithmetic unit or interface unit. The transfer of data to the arithmetic unit from the fourth memory in addition to the transfer of data between modules, is controlled in accordance with the available storage capacity in the fourth memory. Data transfer can also be monitored between any two units to maintain the relative amounts of data transfer within predetermined limits.

REFERENCES:
patent: 3875391 (1975-04-01), Shapiro et al.
patent: 4025771 (1977-05-01), Lynch, Jr. et al.
John Gurd & Ian Watson, "Data Driven System For High Speed Parallel Computing-Part 2:Hardware Design", Computer Design, vol. 19, No. 7, Jul. 1980, Concord, pp. 97-106.

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