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・ Operación Triunfo (Peruvian TV series)
・ Operación Triunfo (series 5)
・ Operación Triunfo (series 6)
・ Operación Triunfo (series 7)
・ Operación Triunfo (series 8)
・ Operación Triunfo (Spanish TV series)
・ Operación Éxito
・ Operacja Himmler (film)
・ Operacja Samum
・ Operad theory
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・ Operafjellet
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・ Operalia, The World Opera Competition
・ Operand
Operand forwarding
・ Operand isolation
・ Operando spectroscopy
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・ Operant conditioning chamber
・ Operate
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・ Operatiion Syndicate
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Operand forwarding : ウィキペディア英語版
Operand forwarding
Operand forwarding (or data forwarding) is an optimization in pipelined CPUs to limit performance deficits which occur due to pipeline stalls. A data hazard can lead to a pipeline stall when the current operation has to wait for the results of an earlier operation which has not yet finished.
==Example==

ADD A B C #A=B+C
SUB D C A #D=C-A
If these two assembly pseudocode instructions run in a pipeline, after fetching and decoding the second instruction, the pipeline stalls, waiting until the result of the addition is written and read.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Operand forwarding」の詳細全文を読む



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