On the Hard-Real-Time Scheduling of Embedded Streaming Applications

Provided by: Springer Healthcare
Topic: Hardware
Format: PDF
In this paper, the authors consider the problem of Hard-Real-Time (HRT) multiprocessor scheduling of embedded streaming applications modeled as acyclic dataflow graphs. Most of the hard-real-time scheduling theory for multiprocessor systems assumes independent periodic or sporadic tasks. Such a simple task model is not directly applicable to dataflow graphs, where nodes represent actors (i.e., tasks) and edges represent data-dependencies. The actors in such graphs have data-dependency constraints and do not necessarily conform to the periodic or sporadic task models.

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