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16 November 2020

Publication details

Luca Abeni, T. Cucinotta. "Adaptive Partitioning of Real-Time Tasks on Multiple Processors," in Proceedings of the 35th ACM/SIGAPP Symposium On Applied Computing (ACM SAC 2020), March 30th, 2020, Brno, Czech Republic.

Abstract

This paper presents a new algorithm for scheduling real-time tasks on multiprocessor/multicore systems. This new algorithm is based on combining EDF scheduling with a migration strategy that moves tasks only when needed. It has been evaluated through an extensive set of simulations that showed good performance when compared with global or partitioned EDF: a worst-case utilisation bound sim- ilar to partitioned EDF for hard real-time tasks, and a tardiness bound similar to global EDF for soft real-time tasks. Therefore, the proposed scheduler is effective for dealing with both soft and hard real-time workloads.

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