Optimal Checkpointing Period: Time vs. Energy

@inproceedings{Aupy2013OptimalCP,
  title={Optimal Checkpointing Period: Time vs. Energy},
  author={Guillaume Aupy and Anne Benoit and Thomas H{\'e}rault and Yves Robert and Jack J. Dongarra},
  booktitle={PMBS@SC},
  year={2013}
}
This short paper deals with parallel scientific applications using non-blocking and periodic coordinated checkpointing to enforce resilience. We provide a model and detailed formulas for total execution time and consumed energy. We characterize the optimal period for both objectives, and we assess the range of time/energy trade-offs to be made by instantiating the model with a set of realistic scenarios for Exascale systems. We give a particular emphasis to I/O transfers, because the relative… CONTINUE READING
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