Parallel processor

Details Parallel processor Parallel processor

1995-08-28

1997-11-18

Mai, Tan V.

Boots, shoes, and leggings

G06F 738

Patent

active

056894503

ABSTRACT:
A parallel processor for processing a plurality of pieces of data includes a number of unitary processing units provided in parallel equal to the number of pieces of data. Each of the unitary processing units includes a memory circuit connected to a processing element which exchanges data with two adjoining unitary processing units. Each of the processing elements includes a full adder, a logical operation circuit for performing a logical operation on two inputs connected to a first input of the full adder and a plurality of selector circuits. A first selector circuit selects first data from memory circuits of the unitary processing unit and an adjoining unitary processing unit. A second selector circuit selects second data from memory circuits of the unitary processing unit and an adjoining unitary processing unit. A third selector circuit selects the second data selected by the second selector circuit as a first input to the logical operation circuit. A fourth selector circuit selects the first data selected by the first selector circuit as a second input to the logical operation circuit. A fifth selector circuit selects the second data selected by the second selector circuit as a second input to the full adder. A sixth selector circuit selects the carrier output of the full adder as a third input to the full adder.

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Proceedings of the IEEE 1990 Custom Integrated Circuits Conference (Cat. No. 90CH2860-5), Boston, MA, USA, 13-16 May 1990, 1990, New York, NY, USA, IEEE, USA, pp. 17.3/1-4, Childers, J. et al. 'SVP: serial video processor'.
IEEE Journal of Solid-State Circuits, vol. 23, No. 5, 1 Oct. 1988, pp. 1203-1211, XP 000112224 Toru Baji et al. 'A 20-NS CMOS Micro-DSP Core for Video-Signal Processing'.
Patent Abstracts of Japan, vol. 018 No. 365 (P-1767), 8 Jul. 1994 & JP-A-06 096036 (Sony Corp.), 8 Apr. 1994.

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