Constrained Global Scheduling of Streaming Applications on MPSoCs

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Executive Summary

The authors present a global scheduling framework for Synchronous Data Flow (SDF) streaming applications on MPSoCs, based on optimized computation and contention-free routing. The global scheduling of processors computing and communication transactions are formulated as constraint based problem, to avoid the scheduling overhead in TDMA-like heuristic schemes. A public domain constraint solver is exploited to solve the NP complete scheduling efficiently, together with problem specific constraint modeling techniques. Experimental results show that the proposed framework can achieve a high predictable application throughput with minimized buffer cost.

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