Allocation of Real-Time Tasks onto Identical Core Platforms under Deferred fixed Preemption-Point Model.
2020
Deferred-preemption model has been proposed as a compromise between fully preemptive and non-preemptive systems: on one hand they reduce the cache related preemption delays; on the other hand they introduce a small blocking time to higher priority tasks. In this paper, we investigate the problem of allocating a set of real-time tasks with fixed-preemption points onto an identical multi-core platform. We first propose enumerative and branch-and-bound optimal algorithms, along with techniques to reduce their execution time. Further, we propose a set of heuristics to solve the same problem. We demonstrate the performances of the proposed approaches by the means of a large set of synthetic experiments.
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