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DescriptionQ666
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Q666ArchAppleASIC interview problem

Explain the value of a two-bit branch predictor

TechniquesArchCPUBranch predictionSaturating counter
DifficultyEasy
TopicMemory Systems
LanguageSystemVerilog
Format4 choices
01

Problem

Why does a two-bit saturating-counter predictor usually handle a loop-closing branch better than a one-bit predictor?

02

Answer choices (4)