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Speedy Performance Estimation for Neural Architecture Search

NeurIPS 2021 · Architectures and efficiency › Neural architecture search · approach: Efficient NAS search strategies · 13 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace inherited-weight validation accuracy with TSE computed over additional minibatchesRandNAS, FairNAS, and MultiPaths · NB201-CIFAR10 and DARTSrank correlation: 0.44 (0.15) -> 0.70 (0.02); 0.56 (0.17) -> 0.84 (0.01); 0.67 (0.05) -> 0.83 (0.01); 0.11(0.04) -> 0.30(0.04)Helped
Replace inherited-weight validation accuracy with TSE computed over additional minibatchesRandNAS, FairNAS, and MultiPaths · NB201-CIFAR10 and DARTStop-10 average test accuracy: 91.47 (0.31) -> 92.67 (0.12; 91.73 (0.21) -> 92.7 (0.1); 91.77 (0.78) -> 92.63 (0.12); 93.20(0.04) -> 93.64(0.04)Helped
Use TSE-EMA instead of early-stopping validation accuracyQuery-based NAS (RE and BO) · NB201 on CIFAR10, CIFAR100, and ImageNet-16-120search speed to find high-performing architecturesHelped
Replace validation-loss gradients with TSE gradientsDARTS and DrNAS · NB201-CIFAR10 and DARTS-NB301test accuracy during searchHelped
Use training-loss sums rather than validation-loss sums (ablation)TSE versus SoVL · NB201 on CIFAR10, CIFAR100, and ImageNet-16-120rank correlation with final test accuracyHelped
Use the sum of training losses instead of a single minibatch training loss (ablation)TSE versus TLmini · DARTS on CIFAR10 under varied NAS set-upsrank correlationHelped
Restrict TSE-E to the most recent epoch (E=1) (ablation)TSE-E · NB201 and DARTS datasetsrank correlationHelped
Vary the TSE-EMA decay rate among 0.9, 0.95, 0.99, and 0.999 (ablation)TSE-EMA · NB201 and DARTS datasetsrank correlationNo clear effect
Weight recent training losses more heavily while retaining earlier epochs (ablation)TSE-EMA versus TSE-E · Various NAS search spaces, especially at small training budgetsrank correlationHelped
Use TSE-E or TSE-EMA after architectures begin to overfitTSE-E and TSE-EMA · NB201-CIFAR10 and NB201-CIFAR100 at later training epochsrank correlationHurt

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