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Research map / Architectures and efficiency / CNN design

Dynamic Channel Pruning: Feature Boosting and Suppression

ICLR 2019 · Architectures and efficiency › CNN design · approach: Efficient CNN scaling and dynamic inference · 204 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use input-dependent channel saliency to dynamically skip channels rather than pruning them staticallyResNet-18 · ImageNet ILSVRC2012 validationMAC saving: 1.98$\times$ (FBS) vs 1.39$\times$ (Network Slimming)Helped
Use FBS rather than Network Slimming for channel accelerationVGG-16 · ImageNet ILSVRC2012 validation, 3$\times$ speed-uptop-5 error increase (%): 1.37 -> 0.04Helped
Use FBS rather than Network Slimming for channel accelerationVGG-16 · ImageNet ILSVRC2012 validation, 4$\times$ speed-uptop-5 error increase (%): 3.26 -> 0.52Helped
Use FBS rather than Network Slimming for channel accelerationVGG-16 · ImageNet ILSVRC2012 validation, 5$\times$ speed-uptop-5 error increase (%): 5.18 -> 0.59Helped
Add FBS after Network SlimmingM-CifarNet · CIFAR-10, 90.50% accuracy constraintspeed-up: $1.19\times$ -> $3.22\times$Helped
Add FBS auxiliary layers without suppressing channels (d = 1)ResNet-18 · ImageNet ILSVRC2012top-1 accuracy: +1.73%Helped
Add FBS auxiliary layers without suppressing channels (d = 1)ResNet-18 · ImageNet ILSVRC2012top-5 accuracy: +0.46%Helped
Use dynamic FBS instead of static Network SlimmingM-CifarNet · CIFAR-10, $2\times$ speed-up targettop-1 accuracy (%): $87.54\%$ -> $91.55\%$Helped
Set FBS channel density to d = 0.5 (ablation)M-CifarNet · CIFAR-10top-1 accuracy (%): 91.37% -> 90.59%Hurt

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