Zero-Shot AutoML with Pretrained Models

• URL: http://arxiv.org/abs/2206.08476v1
• Date: Thu, 16 Jun 2022 22:52:08 GMT
• Title: Zero-Shot AutoML with Pretrained Models
• Authors: Ekrem \"Ozt\"urk and Fabio Ferreira and Hadi S. Jomaa and Lars Schmidt-Thieme and Josif Grabocka and Frank Hutter
• Abstract summary: domain-independent meta-learning approach learns a zero-shot surrogate model. We evaluate our approach under the strict time limit of the ChaLearn AutoDL challenge benchmark.
• Score: 39.928531675761135
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Given a new dataset D and a low compute budget, how should we choose a pre-trained model to fine-tune to D, and set the fine-tuning hyperparameters without risking overfitting, particularly if D is small? Here, we extend automated machine learning (AutoML) to best make these choices. Our domain-independent meta-learning approach learns a zero-shot surrogate model which, at test time, allows to select the right deep learning (DL) pipeline (including the pre-trained model and fine-tuning hyperparameters) for a new dataset D given only trivial meta-features describing D such as image resolution or the number of classes. To train this zero-shot model, we collect performance data for many DL pipelines on a large collection of datasets and meta-train on this data to minimize a pairwise ranking objective. We evaluate our approach under the strict time limit of the vision track of the ChaLearn AutoDL challenge benchmark, clearly outperforming all challenge contenders.

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