Question: An ( m , n ) correlating branch predictor uses the behavior of the most recent m executed branches to choose from 2 m predictors,

An (m,n) correlating branch predictor uses the behavior of the most recent m executed branches to choose from 2m predictors, each of which is an n-bit predictor. A two-level local predictor works in a similar fashion, but only keeps track of the past behavior of each individual branch to predict future behavior.

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