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Publication no #641   Download bibtex file Type :   Html | Bib | Both
641
@InProceedings{2020:MASCOTS,
      AUTHOR = {Mendes, Pedro and Casimiro, Maria and Romano, Paolo and Garlan, David},
      TITLE = {TrimTuner: Efficient Optimization of MachineLearning Jobs in the Cloud via Sub-Sampling},
      YEAR = {2020},
      BOOKTITLE = {Proceedings of the 2020 Symposium on Modelling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2020)},
      PDF = {http://acme.able.cs.cmu.edu/pubs/uploads/pdf/TrimTuner-MASCOTS-20.pdf},
      ABSTRACT = {This work introduces TrimTuner, the first system for optimizing machine learning jobs in the cloud to exploit sub-sampling techniques to reduce the cost of the optimization process, while keeping into account user-specified constraints. TrimTuner jointly optimizes the cloud and application-specific parameters and, unlike state of the art works for cloud optimization, eschews the need to train the model with the full training set every time a new configuration is sampled. Indeed, by leveraging sub-sampling techniques and data-sets that are up to 60x smaller than the original one, we show that TrimTuner can reduce the cost of the optimization process by up to 50x. Further, TrimTuner speeds-up the recommendation process by 65×with respect to state of the art techniques for hyper-parameter optimization that use sub-sampling techniques. The reasons for this improvement are twofold: i) a novel domain specific heuristic that reduces the number of configurations for which the acquisition function has to be evaluated; ii) the adoption of an ensemble of decision trees that enables boosting the speed of the recommendation process by one additional order of magnitude.},
      KEYWORDS = {Machine Learning}
}

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