Temporal Isolation on Multiprocessing Architectures

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Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
Multiprocessing architectures provide hardware for executing multiple tasks simultaneously via techniques such as simultaneous multithreading and symmetric multiprocessing. The problem addressed by this paper is that even when tasks that are executing concurrently do not communicate, they may interfere by affecting each other's timing. For cyber-physical system applications, such interference can nullify many of the advantages offered by parallel hardware. In this paper, the authors argue for temporal semantics in layers of abstraction in computing.
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