SignSGD with pre-sign dithering and a calibrated hybrid switch to SGD achieves 92.18% accuracy on CIFAR-10 with ResNet-18, outperforming pure SGD and SignSGD, plus better results than Adam on CIFAR-100.
Error feedback fixes SignSGD and other gradient compression schemes
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Enhancing SignSGD: Small-Batch Convergence Analysis and a Hybrid Switching Strategy
SignSGD with pre-sign dithering and a calibrated hybrid switch to SGD achieves 92.18% accuracy on CIFAR-10 with ResNet-18, outperforming pure SGD and SignSGD, plus better results than Adam on CIFAR-100.