TAGGED BRANCH ORIENTATION PREDICTOR

Branch prediction in an instruction using a tag orientation predictor (TOP) is described. When a branch instruction is hotly mis-predicted by a hybrid branch predictor, the branch is tracked over a longer time period using the TOP. Once the TOP has collected enough data to confidently predict a bran...

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Bibliographic Details
Main Authors FATEHI, Ehsan, ZOELLIN, Christian, ORZOL, Nicholas R, GIESKE, Edmund J, GORTI, Naga P
Format Patent
LanguageEnglish
Published 15.10.2020
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:Branch prediction in an instruction using a tag orientation predictor (TOP) is described. When a branch instruction is hotly mis-predicted by a hybrid branch predictor, the branch is tracked over a longer time period using the TOP. Once the TOP has collected enough data to confidently predict a branch prediction, the TOP is used to override a branch prediction from the hybrid predictor when the TOP branch prediction.
Bibliography:Application Number: US201916380737