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Dynamic Sparse Graph for Efficient Deep Learning

ICLR 2019 · Architectures and efficiency › RNNs and normalization · approach: Weight normalization and decay interplay · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use dimension-reduction search rather than random neuron selection (ablation)DSG · CIFAR10accuracyHelped
Estimate activations with dimension-reduction search instead of oracle top-k selection (ablation)DSG · CIFAR10accuracyNo clear effect
Use double masks, including a second mask after BN (ablation)DSG · CIFAR10accuracyHelped
Remove batch normalization (ablation)DSG · CIFAR10accuracyHurt
Increase sparsity beyond 80% (ablation)DSG · small- and medium-scale model benchmarksaccuracyHurt
Use lower epsilon for dimension-reduction search (ablation)DSG · CIFAR10accuracyHelped
Use wider, shallower WRN rather than deeper, slimmer ResNet (ablation)DSG · CIFAR10 validation setaccuracy: 1%Mixed
Replace DSG with a smaller dense model having equivalent MACs (ablation)VGG8 and other evaluated networks · CIFAR10 and ImageNetaccuracyHurt
Use DSG rather than the dense baselineVGG8 · CIFAR10training timeHelped
Use DSG with dynamic vector-wise sparsity rather than dense GEMMVGG8 CPU execution · VGG8 layersspeedup: 0.6x, 1.6x, and 2.7xMixed
Use DSG at sparsity below 60% (ablation)DSG · small- and medium-scale model benchmarksaccuracyNo clear effect

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