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Adaptive Methods for Nonconvex Optimization

NeurIPS 2018 · Optimization › Optimizers · approach: Second-order and structured preconditioning · 219 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
increase Adam epsilon from 1e-8 to 1e-3 (limit adaptivity)ADAM · MNIST deep autoencodertest loss: 4.36 -> 1.88Helped
increase Adam epsilon from 1e-8 to 1e-3ADAM · IWSLT'15 En-ViBLEU: 27.92 -> 28.28Helped
increase Adam epsilon from 1e-8 to 1e-3 at LR 1e-3ADAM · CIFAR-10 ResNet50test accuracy: 92.59 -> 91.74Hurt
replace Adam's multiplicative v update with Yogi's additive sign-based updateADAM (eps=1e-3) · MNIST deep autoencodertest loss: 1.88 -> 1.36Helped
use Yogi instead of Adam+Noam scheduleTransformer base · IWSLT'15 En-ViBLEU: 28.84 -> 29.27Helped
use Yogi instead of Adam+Noam+checkpoint averagingTransformer base · WMT'14 En-DeBLEU: 27.3 vs 27.2No clear effect
use Yogi instead of SGD+momentumResNet50 · CIFAR-10test accuracy: 93.03 -> 93.90Helped
use Yogi instead of SGD+momentumDenseNet-40 · CIFAR-10test accuracy: 94.76 vs 94.38Hurt
use Yogi default instead of tuned RMSPropInception-ResNet-v2 · ImageNettop-1 error: 21.63% -> 21.14%Helped
lower Yogi beta2 from 0.999 to 0.9 (ablation)YOGI · MNIST deep autoencodertest loss: 1.36 -> 1.70Hurt

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