SYSTEMS AND METHODS FOR ADAPTIVE MULTIPATH PROBABILITY (AMP) PREFETCHER

Disclosed embodiments relate to systems and methods structured to predict and prefetch a cache access based on a delta pattern. In one example, a processor is structured to extract a delta history corresponding to a delta pattern and a current page, generate a bucketed delta history based on the del...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Alam, Hanna, Nuzman, Joseph
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Disclosed embodiments relate to systems and methods structured to predict and prefetch a cache access based on a delta pattern. In one example, a processor is structured to extract a delta history corresponding to a delta pattern and a current page, generate a bucketed delta history based on the delta history corresponding to the current page, select a prediction entry based on the bucketed delta history, generate one or more prefetch candidates based on a confidence threshold, the confidence threshold structured to indicate one or more probable delta patterns, and filter the one or more prefetch candidates.