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FBNetV3: Joint Architecture-Recipe Search Using Predictor Pretraining

CVPR 2021 · Architectures and efficiency › Neural architecture search · approach: Efficient NAS search strategies · 104 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Search the training recipe jointly with the architectureFBNetV3 / NARS · ImageNettop-1 accuracy: 79.1 -> 79.9Helped
Apply the NARS-searched recipeResNet50 · ImageNettop-1 accuracy: 76.1 -> 79.2Helped
Apply the NARS-searched recipeResNeXt101-32x8d · ImageNettop-1 accuracy: 79.3 -> 82.6Helped
Use architecture-specific recipes rather than swapping the B and E recipes (ablation)FBNetV3-B and FBNetV3-E · ImageNettop-1 accuracy: 79.8% -> 78.5%; 81.3% -> 80.8%Mixed
Add predictor-based evolutionary search after constrained iterative optimization (ablation)FBNetV3 · ImageNettop-1 accuracy: 79.0% -> 79.8%; 80.7% -> 81.3%Helped
Add EMA (ablation)FBNetV3-G · ImageNettop-1 accuracy: 80.9% -> 82.3%Helped
Add distillation (ablation)FBNetV3-G · ImageNettop-1 accuracy: 80.9% -> 82.2%Helped
Combine EMA and distillation (ablation)FBNetV3-G · ImageNettop-1 accuracy: 80.9% -> 82.8%Helped
Use a higher-accuracy RegNetY-32G teacher for distillationFBNetV3 models · ImageNettop-1 accuracy: 0.2% - 0.5%Helped
Pretrain the predictor embedding on architecture statisticsNARS accuracy predictor · ImageNet predictor evaluationsamples needed to reach the same prediction MSE: 5× less samplesHelped
Use searched FBNetV3-A rather than EfficientNetB0 as Faster R-CNN backboneFaster R-CNN · COCO detectionmAP: 30.2 -> 30.5Helped
Use searched FBNetV3-E rather than EfficientNetB1 as Faster R-CNN backboneFaster R-CNN · COCO detectionmAP: 32.2 -> 33.0Helped

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