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Cache leakage reduction techniques usually compromise time predictability, which are not desirable for real-time systems. In this work, we extend the cache decay and drowsy cache techniques within the hardware-based Performance Enhancement Guaranteed Cache (PEG-C) architecture. The PEG-C can dynamically monitor the performance penalties caused by using leakage energy reduction techniques to ensure...
In this paper, we propose a Performance Enhancement Guaranteed Cache (PEG-C) to ensure performance benefit in the worst case while achieving as good average-case performance as a regular hardware-controlled cache. Our experiments indicate that with a small number of preloaded data and a simple hardware extension, the PEG-C can guarantee performance enhancement in the worst case while achieving the...
Remaining useful life (RUL) prediction is an important part in prognostics and health management. This paper addresses the problem of estimating RUL from observed degradation data. A Wiener-process-based model for online lifetime prediction is developed to achieve this aim. In this paper a Wiener process with non-linear drift and measurement error is used to characterize the degradation process and...
This letter designs the performance enhancement guaranteed cache (PEG-C) for hard real-time systems. The PEG-C uses two counters to monitor the number of hits and misses at runtime to improve the average-case performance, while guaranteeing the worst-case execution time (WCET). Our experiments indicate that with a few preloaded instructions, a PEG instruction cache can achieve the same average-case...
From the reality, this article presents anti-money laundering real-time system architecture on the base of analyzing custom transaction. At the same time, data process, custom transaction and bank node are discussed.
This research proposes a fatigue driving real-time monitoring system based on DSP. Firstly, a facial skin-color model is built based on facial sample database, which is then used in a motion and skin detecting algorithm to locate face; Secondly, hybrid projection method is proposed to locate eyes by combining the methods of the traditional integral projection and differential projection; after that,...
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