Memory-Aware Scheduling for Time-Sensitive Many-Core Systems

As part of time-critical systems, designers of applications running upon multicore platforms face a complicated timing analysis because of inter-core interference. A real-time shared memory conflict-free schedule stands for an efficient alternative preventing interferences among I/O transactions from distributed applications. This paper introduces a task scheduling model to exploit multicore for real-time applications which is an extension of the 3-phase task model. A/R (Acquisition/Restitution) phases of tasks are non preemptive and strictly periodic whereas the execution phase is preemptive and simply periodic. In addition, we propose an efficient scheduling algorithm called SS-EDF and show its effectiveness throughout comparison tests. ...