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Elastic shared resource scheduling SOC interconnect architecture for real-time system

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11 Author(s)

We developed an elastic shared resource scheduling SoC interconnect architecture for SoCs that execute various real-time tasks in parallel. It provides both reliability for the hard real-time executions and an optimized overall performance. To meet these requirements, we introduced a hybrid-type scheduling architecture with a static scheduling block for the reliability and a dynamic scheduling block for the efficiency improvement. The dynamic scheduling block taking into consideration the progress of each task makes use of the shared resource utilizations of some tasks that have timing margins for deadlines, and optimizes the overall system's performance. We evaluated the architecture using simple model simulations and benchmarks for multimedia operations. The benchmarks show that the architecture improves the system performance by 23%. This is suitable for consumer-oriented embedded SoCs with severe restrictions on their real-time executions and system costs

Published in:

Custom Integrated Circuits Conference, 2005. Proceedings of the IEEE 2005

Date of Conference:

21-21 Sept. 2005