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Self-Supervised Representation Learning on Neural Network Weights for Model Characteristic Prediction

@ Neural Information Processing Systems (NeurIPS)



Self-Supervised Learning (SSL) has been shown to learn useful and information- preserving representations. Neural Networks (NNs) are widely applied, yet their weight space is still not fully understood. Therefore, we propose to use SSL to learn neural representations of the weights of populations of NNs. To that end, we introduce domain specific data augmentations and an adapted attention architecture. Our empirical evaluation demonstrates that self-supervised representation learning in this domain is able to recover diverse NN model characteristics. Further, we show that the proposed learned representations outperform prior work for predicting hyper-parameters, test accuracy, and generalization gap as well as transfer to out-of-distribution settings.

Konstantin Schürholt, Dimche Kostadinov, Damian Borth

2 Nov 2021

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Conference or Workshop Item
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computer science