Affiliation:
1. University of Waterloo, ON, Canada
Abstract
We propose a novel approach to schedule memory requests in Mixed Criticality Systems (MCS). This approach supports an arbitrary number of criticality levels by enabling the MCS designer to specify memory requirements per task. It retains locality within large-size requests to satisfy memory requirements of all tasks. To achieve this target, we introduce a compact time-division-multiplexing scheduler, and a framework that constructs optimal schedules to manage requests to off-chip memory. We also present a static analysis that guarantees meeting requirements of all tasks. We compare the proposed controller against state-of-the-art memory controllers using both a case study and synthetic experiments.
Publisher
Association for Computing Machinery (ACM)
Subject
Hardware and Architecture,Software
Cited by
14 articles.
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