Processing circuit capable of raising throughput of...

Details Processing circuit capable of raising throughput of... Processing circuit capable of raising throughput of...

G - Physics

06

G

354/182

G06G 7/02 (2006.01) G06F 7/544 (2006.01) G06F 17/10 (2006.01)

Patent

CA 1244955

Abstract of the Disclosure: In a processing circuit for successively accumulating a first predetermined number of products, each product is shifted in a barrel shifter (20) downwards by a second predetermined number of bits determined in relation to the first predetermined number and is successively added to a previous result of accumulation in an arithmetic/logic unit (ALU) (21) the first predetermined number of times to produce a final result of accumulation. The first result is shifted in a shifter (27) upwards by a third predetermined number of bits determined in relation to the second predetermined number. An overflow detector (26) monitors each result of accumulation to detect occurrence of an overflow in the ALU and the shifter to substitute either a positive or a negative maximum number for each result by an overflow corrector (25) on occurrence of the overflow. The substituted maximum number or the shifted final result is produced as an output signal.

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