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Research map / Architectures and efficiency / Pruning and efficient tuning

Towards Compact CNNs via Collaborative Compression

CVPR 2021 · Architectures and efficiency › Pruning and efficient tuning · approach: Joint pruning and quantization · 81 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Jointly apply channel pruning and tensor decompositionResNet-50 · ImageNet 2012Top-1 accuracy: 75.47 -> 75.59Helped
Use collaborative compression instead of AutoML pruningMobileNet-V2 · ImageNet 2012Top-1 accuracy: 70.80 -> 70.91Helped
Apply global compression rate optimization rather than a uniform per-layer rate (ablation)CC · ResNet-50 on ImageNet 2012Top-1 accuracyHelped
Recompute unit importance step-by-step and account for remaining compression space (ablation)CC · ResNet-50 on ImageNet 2012Top-1 accuracyHelped
Use a single importance calculation instead of multi-step heuristic compression (ablation)CC · ResNet-50 on ImageNet 2012Top-1 accuracyHurt
Use the same compression rate for every layer instead of global rate optimization (ablation)CC · ResNet-50 on ImageNet 2012Top-1 accuracyHurt
Change compression order among pruning then decomposition, decomposition then pruning, and collaborative compression (ablation)CC with a fixed compressed structure · ResNet-56 on CIFAR-10Top-1 accuracyNo clear effect
Increase the target compression rate from C = 0.5 to C = 0.6 (ablation)CC on ResNet-50 · ImageNet 2012Top-1 accuracy: 75.59 -> 74.54Hurt
Increase the target compression rate from C = 0.5 to C = 0.6 (ablation)CC on ResNet-56 · CIFAR-10Top-1 accuracy: 93.87 -> 93.64Hurt
Increase the target compression rate from C = 0.4 to C = 0.6 (ablation)CC on DenseNet-40 · CIFAR-10Top-1 accuracy: 94.67 -> 94.40Hurt

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