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Research map / Probabilistic and scientific modeling / Bayesian optimization

Neural network gradient-based learning of black-box function interfaces

ICLR 2019 · Probabilistic and scientific modeling › Bayesian optimization · approach: Offline black-box optimization with surrogates · 14 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use Estimate and Replace instead of end-to-end baseline trainingText-Logic · Text-Logic test set (250 train examples)accuracy: 0.533 -> 0.966Helped
Use Estimate and Replace instead of an end-to-end NALUImage-Addition · MNIST test set (k=10)mean absolute error: 1.42 -> 0.42Helped
Use Estimate and Replace instead of an end-to-end NALUImage-Addition · MNIST test set (k=100)mean absolute error: 7.88 -> 3.3Helped
Replace the estimator with the original lookup function at inference (ablation)Image-Lookup EstiNet · MNIST test set (k=3)accuracy: 0.1 -> 0.97Helped
Use hybrid training rather than offline training with a frozen estimator (ablation)Text-Lookup-Logic EstiNet · inferenceaccuracy: 0.17 -> 0.98Helped
Use hybrid training rather than online training from a cold start (ablation)Text-Lookup-Logic EstiNet · inferenceaccuracy: 0.69 -> 0.98Helped
Pretrain the estimator offline before joint training (ablation)Text-Lookup-Logic EstiNet · trainaccuracy: 0.76 -> 0.98Helped
Use the estimator in test mode instead of replacing it with the lookup function (ablation)Image-Lookup EstiNet · MNIST test set (k=2)accuracy: 0.97 -> 0.11Hurt
Regularize estimator confidence to preserve useful gradients (ablation)Image-Lookup EstiNet · Image-Lookup (k=3)argument-extractor gradient normHelped
Train with the full task dataset rather than a small fractionText-Logic EstiNet · Text-Logic test setaccuracy: 0.966 vs 0.533Mixed

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