Auto-PyTorch: Multi-Fidelity MetaLearning for Efficient and Robust AutoDL

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Authors

External Research Organisations

  • University of Freiburg
  • Bosch Center for Artificial Intelligence (BCAI)
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Details

Original languageEnglish
Article number9382913
Pages (from-to)3079-3090
Number of pages12
JournalIEEE Transactions on Pattern Analysis and Machine Intelligence
Volume43
Issue number9
Early online date22 Mar 2021
Publication statusPublished - 1 Sept 2021

Abstract

While early AutoML frameworks focused on optimizing traditional ML pipelines and their hyperparameters, a recent trend in AutoML is to focus on neural architecture search. In this paper, we introduce Auto-PyTorch, which brings the best of these two worlds together by jointly and robustly optimizing the architecture of networks and the training hyperparameters to enable fully automated deep learning (AutoDL). Auto-PyTorch achieves state-of-the-art performance on several tabular benchmarks by combining multi-fidelity optimization with portfolio construction for warmstarting and ensembling of deep neural networks (DNNs) and common baselines for tabular data. To thoroughly study our assumptions on how to design such an AutoDL system, we additionally introduce a new benchmark on learning curves for DNNs, dubbed LCBench, and run extensive ablation studies of the full Auto-PyTorch on typical AutoML benchmarks, eventually showing that Auto-PyTorch performs better than several state-of-the-art competitors on average.

Keywords

    cs.LG, cs.AI, stat.ML, deep learning, meta-learning, Machine learning, hyperparameter optimization, neural architecture search, automated machine learning, multi-fidelity optimization

ASJC Scopus subject areas

Cite this

Auto-PyTorch: Multi-Fidelity MetaLearning for Efficient and Robust AutoDL. / Zimmer, Lucas; Lindauer, Marius; Hutter, Frank.
In: IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 43, No. 9, 9382913, 01.09.2021, p. 3079-3090.

Research output: Contribution to journalArticleResearchpeer review

Zimmer L, Lindauer M, Hutter F. Auto-PyTorch: Multi-Fidelity MetaLearning for Efficient and Robust AutoDL. IEEE Transactions on Pattern Analysis and Machine Intelligence. 2021 Sept 1;43(9):3079-3090. 9382913. Epub 2021 Mar 22. doi: 10.1109/TPAMI.2021.3067763
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abstract = " While early AutoML frameworks focused on optimizing traditional ML pipelines and their hyperparameters, a recent trend in AutoML is to focus on neural architecture search. In this paper, we introduce Auto-PyTorch, which brings the best of these two worlds together by jointly and robustly optimizing the architecture of networks and the training hyperparameters to enable fully automated deep learning (AutoDL). Auto-PyTorch achieves state-of-the-art performance on several tabular benchmarks by combining multi-fidelity optimization with portfolio construction for warmstarting and ensembling of deep neural networks (DNNs) and common baselines for tabular data. To thoroughly study our assumptions on how to design such an AutoDL system, we additionally introduce a new benchmark on learning curves for DNNs, dubbed LCBench, and run extensive ablation studies of the full Auto-PyTorch on typical AutoML benchmarks, eventually showing that Auto-PyTorch performs better than several state-of-the-art competitors on average. ",
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