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Research map / Architectures and efficiency / RNNs and normalization

High-Capacity Expert Binary Networks

ICLR 2021 · Architectures and efficiency › RNNs and normalization · approach: Efficient network compression and training · 28 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add data-specific single-expert binary convolutionsBinary ResNet-18 · ImageNetTop-1 accuracy: 60.9 -> 63.8Helped
Expand width using grouped convolutions (ablation)Binary network with one expert · ImageNetTop-1 accuracy: 60.9 -> 64.6Helped
Combine width expansion 2 with 8 experts (ablation)Binary network · ImageNetTop-1 accuracy: 60.9 -> 66.3Helped
Use stronger teacher for AT+KD (ablation)Binary student · ImageNetTop-1 accuracy: 70.0 -> 71.2Helped
Replace the gating softmax gradient with sigmoid (ablation)EBConv · ImageNet Stage Iaccuracy: 65.5% -> 62.7%Hurt
Vary softmax temperature from 0.02 to 5 (ablation)EBConv gating · ImageNet Stage ITop-1 accuracy: 65.4 -> 65.5 -> 65.4No clear effect
Add Mixup to random scaling and cropping (ablation)Proposed binary network · ImageNetaccuracy: +0.4%Helped
Add Mixup (ablation)Real-to-Bin · ImageNet Stage I and Stage IIaccuracy: drops by 0.25% for Stage I, and 0.8% for Stage IIHurt
Use CondConv's weighted expert combination instead of single-expert selection (ablation)Binary ResNet-18 · ImageNetTop-1 accuracy: 63.8% vs 61.2%Hurt
Rearrange blocks across network stages (ablation)Binary ResNet-18 Stage I · ImageNetTop-1 accuracy: 63.7 to 63.9No clear effect
Use stronger data augmentation on Real-to-Bin (ablation)Real-to-Bin · ImageNetaccuracy: drops by 0.25% for Stage I, and 0.8% for Stage IIHurt
Use PReLU rather than linear downsampling decomposition (ablation)Binary network · ImageNet Stage ITop-1 accuracy: 66.5 -> 67.5Helped

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