Expedited execution of pipelined command having self-ordering operand processing requirements

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United States of America Patent

PATENT NO 5490255
SERIAL NO

07814878

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Abstract

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A pipelined computer which process operand data through a sequence of D,A,T,B,X and W stages includes a sidetrack queue. Data which exits the B stage prematurely, before the X stage is ready to immediately process such data, is held over in the sidetrack queue and presented to the X stage at a later time. The sidetracking mechanism is used to speed processing of rate-variable operand-consuming instructions such as the EDIT and EDMK commands.

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Patent Owner(s)

Patent OwnerAddress
AMDAHL CORPORATION1250 E ARQUES AVENUE A CORP OF DE SUNNYVALE CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Norrie, Christopher I W San Jose, CA 46 867
Rawlinson, Stephen J Sunnyvale, CA 12 264

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