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Aragón et al., 2001 - Google Patents

Confidence estimation for branch prediction reversal

Aragón et al., 2001

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Document ID
13371658039279858009
Author
Aragón J
González J
Garcia J
González A
Publication year
Publication venue
International Conference on High-Performance Computing

External Links

Snippet

Branch prediction reversal has been proved to be an effective alternative approach to dropping misprediction rates by means of adding a Confidence Estimator to a correlating branch predictor. This paper presents a Branch Prediction Reversal Unit (BPRU) especially …
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Classifications

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    • G06F9/06—Arrangements for programme control, e.g. control unit using stored programme, i.e. using internal store of processing equipment to receive and retain programme
    • G06F9/30—Arrangements for executing machine-instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling, out of order instruction execution
    • G06F9/3842—Speculative instruction execution
    • G06F9/3844—Speculative instruction execution using dynamic prediction, e.g. branch history table
    • G—PHYSICS
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    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3802—Instruction prefetching
    • G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding
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    • G06F9/3851—Instruction issuing, e.g. dynamic instruction scheduling, out of order instruction execution from multiple instruction streams, e.g. multistreaming
    • G—PHYSICS
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