Task Mapping and Priority Assignment for Soft Real-Time Applications Under Deadline Miss Ratio Constraints

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Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
Both analysis and design optimization of real-time systems has predominantly concentrated on considering hard real-time constraints. For a large class of applications, however, this is both unrealistic and leads to unnecessarily expensive implementations. This paper addresses the problem of task priority assignment and task mapping in the context of multiprocessor applications with stochastic execution times and in the presence of constraints on the percentage of missed deadlines. The authors propose a design space exploration strategy together with a fast method for system performance analysis.
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