Question: Problem 4 Modern Branch Prediction still uses 2 - bit saturating counters, but what about saturating counters of other sizes? What would be the tradeoffs

Problem 4
Modern Branch Prediction still uses 2-bit saturating counters, but what about saturating counters of other sizes?
What would be the tradeoffs of a 1-bit saturating counter design over the 2-bit?
What would be the tradeoffs of a 3-bit saturating counter design over the 2-bit?
Based upon your answers to questions 1 and 2, why do we still prefer to use the 2-bit design for branch prediction?

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