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12

TOCS
1998

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Using Value Prediction to Increase the Power of Speculative Execution Hardware

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Using Value Prediction to Increase the Power of Speculative Execution Hardware

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This paper presents an experimental and analytical study of value prediction and its impact on speculative execution in superscalar microprocessors. Value prediction is a new paradigm that suggests predicting outcome values of operations (at run-time) and using these predicted values to trigger the execution of true-data dependent operations speculatively. As a result, stalls to memory locations can be reduced and the amount of instruction-level parallelism can be extended beyond the limits of the program’s dataflow graph. This paper examines the characteristics of the value prediction

Freddy Gabbay, Avi Mendelson

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Speculative Execution | TOCS 1998 | True-data Dependent Operations | Value Prediction |

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Added	23 Dec 2010
Updated	23 Dec 2010
Type	Journal
Year	1998
Where	TOCS
Authors	Freddy Gabbay, Avi Mendelson

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