Multicore Real-Time Scheduling to Reduce Inter-Thread Cache Interferences

@article{Ding2013MulticoreRS,
  title={Multicore Real-Time Scheduling to Reduce Inter-Thread Cache Interferences},
  author={Yiqiang Ding and Wei Zhang},
  journal={JCSE},
  year={2013},
  volume={7},
  pages={67-80}
}
The worst-case execution time (WCET) of each real-time task in multicore processors with shared caches can be significantly affected by inter-thread cache interferences. The worst-case inter-thread cache interferences are dependent on how tasks are scheduled to run on different cores. Therefore, there is a circular dependence between real-time task scheduling, the worst-case inter-thread cache interferences, and WCET in multicore processors, which is not the case for single-core processors. To… CONTINUE READING

results and Topics from this paper.

Key Quantitative Results

  • The experimental results demonstrate that the proposed approach can reduce the utilization of the resulting schedule by about 12% on average compared to the cyclic multicore scheduling approaches in our theoretical model.

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