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How Powerful are Performance Predictors in Neural Architecture Search?

NeurIPS 2021 · Architectures and efficiency › Neural architecture search · approach: Efficient NAS search strategies · 15 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
combine learning-curve (SoTL-E) and zero-cost (Jacobian covariance) features with a model-based predictor (OMNI)SemiNAS/NGBoost predictors · NAS-Bench search spacesKendall Tau: up to 30% higherHelped
add zero-cost proxy features to NGBoost in predictor-guided NASNGBoost · NAS-Bench-201 CIFAR-10/ImageNet16-120validation error vs runtimeHelped
use zero-cost predictor (Jacobian covariance/SynFlow) instead of model-based predictors after 30 hoursmodel-based predictors · NAS-Bench-101/201Kendall TauHelped
use zero-cost predictors on larger DARTS spacezero-cost proxies · DARTSKendall TauHurt
mutation-based test set instead of uniform random test setmodel-based predictors · NAS-Bench-201 CIFAR-10Kendall TauHurt
use path encoding with tree/GP predictors instead of adjacency encodingsimple tree-based and GP predictors · NAS-Bench-101Kendall TauHelped

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