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Asymptotically Optimal Exact Minibatch Metropolis-Hastings

NeurIPS 2020 · Learning theory and algorithms › Sample complexity · approach: Minimax estimation rates · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use TunaMH instead of FlyMCminibatch MH · Gaussian Mixturesymmetric KL versus wall-clock timeHelped
Use TunaMH instead of PoissonMHminibatch MH · Gaussian Mixtureaverage batch size: 3969.67±327.26 -> 86.45±0.04Helped
Use TunaMH instead of FlyMCminibatch MH · Logistic Regressionaverage batch size: 1960.19±150.96 -> 504.07±0.33Helped
Use TunaMH instead of TFMHminibatch MH · Logistic Regressionwall-clock time to convergenceHelped
Increase χ (ablation)TunaMH · MNIST Logistic Regressionconvergence rateHelped
Increase χ (ablation)TunaMH · MNIST Logistic Regressionaverage batch size: 504.07 -> 810.35 -> 2047.91Hurt
Use first-order MAP control variates (SMH-1) with TFMH (ablation)TFMH · Truncated Gaussian Mixturesampling performanceHurt
Add MAP-based control variates (ablation)TFMH · Robust Linear Regression, d=100acceptance rateHelped
Add MAP-based control variates (ablation)TFMH · Robust Linear Regression, d=100average batch sizeHurt
Initialize the chain at the MAP solution (ablation)TunaMH · Robust Linear Regression, d=100ESS per secondNo clear effect
Use a local energy bound rather than PoissonMH's global boundPoissonMH-style minibatch MH · Truncated Gaussian Mixtureaverage batch size: 3969.67±327.26 -> 86.45±0.04Helped
Use inexact minibatch MH rather than an exact methodminibatch MH · random walk examplestationary-distribution accuracyHurt

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