Affiliation:
1. University of Maryland, College Park, MD
Abstract
An energy-efficient data cache organization for embedded processors with virtual memory is proposed. Application knowledge regarding memory references is used to eliminate most tag translations. A novel tagging scheme is introduced, where both virtual and physical tags coexist. Physical tags and special handling of superset index bits are only used for references to shared regions in order to avoid cache inconsistency. By eliminating the need for most address translations on cache access, a significant power reduction is achieved. We outline an efficient hardware architecture, where the application information is captured in a reprogrammable way and the cache is minimally modified.
Publisher
Association for Computing Machinery (ACM)
Subject
Electrical and Electronic Engineering,Computer Graphics and Computer-Aided Design,Computer Science Applications
Cited by
6 articles.
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