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Improved Analysis of Clipping Algorithms for Non-convex Optimization

NeurIPS 2020 · Optimization › Nonconvex and smooth optimization · approach: Stochastic gradient last-iterate analysis · 12 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use the clipping framework instead of SGDStochastic non-convex optimization on (L0,L1)-smooth functions · Stochastic settinggradient complexity: \mathcal{O}\left( \Delta (L_0+L_1M)\sigma^2\varepsilon^{-4} \right) -> \mathcal{O}\left(\Delta L_0\sigma^2\varepsilon^{-Helped
Use the clipping framework instead of the earlier clipped SGD boundStochastic non-convex optimization on (L0,L1)-smooth functions · Stochastic settinggradient complexity: \mathcal{O}\left((\Delta + (L_0+L_1\sigma)\sigma^2+\sigma L_0^2/L_1 )^2\varepsilon^{-4} \right) -> \mathcal{O}\left(\DelHelped
Use clipping rather than SGD with momentumResNet-32 · CIFAR-10training speedHelped
Use mixed clipping rather than the other clipping algorithmsResNet-32 · CIFAR-10training speedHelped
Use clipping rather than baseline SGDResNet-50 · ImageNettraining speedHelped
Use mixed clipping rather than the other clipping algorithmsResNet-50 · ImageNettraining speedHelped
Use clipping rather than SGD without clippingAWD-LSTM · Penn Treebank (PTB)validation perplexityHelped
Use mixed clipping rather than gradient clipping or momentum clippingAWD-LSTM · Penn Treebank (PTB)validation perplexity: more than 1 pointHelped

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