[理工] [計組] Speculation
大碩第二次模考有一題:
Which of the following techniques can solve or reduce the penalty of a branch
hazard?
Speculation ---> False
branch prediction --> true
想請問一下 speculation 為什麼不行呢?
speculation 在遇到branch時，不是也會去猜branch的結果嗎?
其實我覺得branch prediction 算是一種speculation 0.0
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