Fingerprint-based branch prediction
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United States of America Patent
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Nov 15, 2016
Issued Date -
N/A
app pub date -
Dec 7, 2015
filing date -
Dec 7, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments relate to fingerprint-based branch prediction. An aspect includes based on encountering a branch instruction during execution of software on a processor of a computer system, determining a fingerprint of the software, the fingerprint comprising a representation of a sequence of behavior that occurs in the processor while the software is executing. Another aspect includes based on determining that a match for the fingerprint and the branch instruction is located in an entry in the prediction table: predicting the branch instruction according to the associated prediction field. Another aspect includes based on determining that no match for the fingerprint and the branch instruction are located in an entry in the prediction table: creating a new entry in the prediction table for the fingerprint and the branch instruction.
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