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Ch5 管線化（Pipeline）
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53. Dynamic Branch Prediction、Branch History Table
#CC-05-053
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Dynamic Branch Prediction
Branch History Table
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Which of the following statements are true for dynamic branch prediction?
A
Branch history table or branch prediction buffer can be implemented as a memory indexed by the lower bits of the program counter address.
B
Branch prediction buffer must have tag and address check.
C
A 2-bit dynamic branch predictor must miss twice before the prediction is changed.
D
Mis-prediction can be caused by getting the branch history of wrong branch when indexing the branch history table.
E
Correlating branch predictors assume that the behaviour of a branch would not be affected by the behaviours of other branches.
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完整推導請見《WH 資工筆記 · 計算機組織與結構》Ch5 管線化（Pipeline）
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