On table bandwidth and its update delay for value prediction on wide-issue ILP processors

Sang Jeong Lee; Pen Chung Yew

doi:10.1109/12.947012

On table bandwidth and its update delay for value prediction on wide-issue ILP processors

Sang Jeong Lee, Pen Chung Yew

Computer Science and Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We study two issues which could affect the performance of value prediction on wide-issue ILP processors. One is the large number of accesses to the value prediction tables needed in each machine cycle and the other is the delay required to update stale values in the value prediction tables. We introduce a prediction value cache (PVC) which augments the instruction cache to hold the prediction values to handle these issues.

Original language	English (US)
Pages (from-to)	847-852
Number of pages	6
Journal	IEEE Transactions on Computers
Volume	50
Issue number	8
DOIs	https://doi.org/10.1109/12.947012
State	Published - Aug 2001

Keywords

Decoupled value prediction
Dynamic classification
Prediction value cache

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10.1109/12.947012

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abstract = "We study two issues which could affect the performance of value prediction on wide-issue ILP processors. One is the large number of accesses to the value prediction tables needed in each machine cycle and the other is the delay required to update stale values in the value prediction tables. We introduce a prediction value cache (PVC) which augments the instruction cache to hold the prediction values to handle these issues.",

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KW - Prediction value cache

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On table bandwidth and its update delay for value prediction on wide-issue ILP processors

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Keywords

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