Patent
1994-05-31
1998-05-26
Lall, Parshotam S.
395580, 395581, 395587, G06F 922, G06F 938
Patent
active
057581428
ABSTRACT:
A predictor which chooses between two or more predictors is described. The predictor includes a first component predictor which operates according to a first algorithm to produce a prediction of an action and a second component predictor which operates according to a second algorithm to produce a prediction of said action. The predictor also includes means, coupled to each of said first and second predictors, for choosing between predictions provided from said predictors to provide a prediction of the action from the predictor. The predictor can be used to predict outcomes of branches, cache hits, prefetched instruction sequences, and so forth.
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Emer Joel
McFarling Scott
McLellan Edward
Steely, Jr. Simon C.
Barot Bharcet
Dagg David A.
Digital Equipment Corporation
Fisher Arthur W.
Lall Parshotam S.
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