Searching Latent Program Spaces

• URL: http://arxiv.org/abs/2411.08706v1
• Date: Wed, 13 Nov 2024 15:50:32 GMT
• Title: Searching Latent Program Spaces
• Authors: Clément Bonnet, Matthew V Macfarlane,
• Abstract summary: We propose an algorithm for program induction that learns a distribution over latent programs in a continuous space, enabling efficient search and test-time adaptation. We show that can generalize beyond its training distribution and adapt to unseen tasks by utilizing test-time adaptation mechanisms.
• Score: 0.0
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• Abstract: Program synthesis methods aim to automatically generate programs restricted to a language that can explain a given specification of input-output pairs. While purely symbolic approaches suffer from a combinatorial search space, recent methods leverage neural networks to learn distributions over program structures to narrow this search space significantly, enabling more efficient search. However, for challenging problems, it remains difficult to train models to perform program synthesis in one shot, making test-time search essential. Most neural methods lack structured search mechanisms during inference, relying instead on stochastic sampling or gradient updates, which can be inefficient. In this work, we propose the Latent Program Network (LPN), a general algorithm for program induction that learns a distribution over latent programs in a continuous space, enabling efficient search and test-time adaptation. We explore how to train these networks to optimize for test-time computation and demonstrate the use of gradient-based search both during training and at test time. We evaluate LPN on ARC-AGI, a program synthesis benchmark that evaluates performance by generalizing programs to new inputs rather than explaining the underlying specification. We show that LPN can generalize beyond its training distribution and adapt to unseen tasks by utilizing test-time computation, outperforming algorithms without test-time adaptation mechanisms.

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