Grokking Beyond Neural Networks: An Empirical Exploration with Model Complexity

• URL: http://arxiv.org/abs/2310.17247v2
• Date: Mon, 1 Apr 2024 02:54:46 GMT
• Title: Grokking Beyond Neural Networks: An Empirical Exploration with Model Complexity
• Authors: Jack Miller, Charles O'Neill, Thang Bui,
• Abstract summary: In some settings neural networks exhibit a phenomenon known as textitgrokking, where they achieve perfect or near-perfect accuracy on the validation set long after the same performance has been achieved on the training set. In this paper, we discover that grokking is not limited to neural networks but occurs in other settings such as GP classification, GP regression, linear regression and Bayesian neural networks.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In some settings neural networks exhibit a phenomenon known as \textit{grokking}, where they achieve perfect or near-perfect accuracy on the validation set long after the same performance has been achieved on the training set. In this paper, we discover that grokking is not limited to neural networks but occurs in other settings such as Gaussian process (GP) classification, GP regression, linear regression and Bayesian neural networks. We also uncover a mechanism by which to induce grokking on algorithmic datasets via the addition of dimensions containing spurious information. The presence of the phenomenon in non-neural architectures shows that grokking is not restricted to settings considered in current theoretical and empirical studies. Instead, grokking may be possible in any model where solution search is guided by complexity and error.

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