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Research map / Learning theory and algorithms / Prediction and decision losses

The Goldilocks Zone: Towards Better Understanding of Neural Network Loss Landscapes

AAAI 2019 · Learning theory and algorithms › Prediction and decision losses · approach: Loss landscape analysis · 22 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Place the random hypersurface within the Goldilocks zoneOptimization on random low-dimensional hypersurfaces · MNIST and CIFAR-10accuracyHelped
Move the initialization radius above the Xavier radiusOptimization on random low-dimensional hyperplanes · MNIST and CIFAR-10accuracyHurt
Move the initialization radius away from the Xavier radiusOptimization on random low-dimensional hyperspheres · MNIST and CIFAR-10accuracyHurt
Increase the dimension of the random hyperplaneRandom low-dimensional hyperplanes · MNIST and CIFAR-10fraction of positive Hessian eigenvaluesHurt
Increase the dimension of the random hyperplaneRandom low-dimensional hyperplanes · MNIST and CIFAR-10Tr(H)/||H||No clear effect
Select initializations with a higher fraction of positive Hessian eigenvaluesFull-space training from Xavier-initialized points · MNISTtraining speedHelped
Select initializations with a higher Hessian traceFull-space training from Xavier-initialized points · MNISTtraining speedHelped
Select the initialization with the lowest initial validation lossFull-space training from Xavier-initialized points · MNISTtraining speedHelped
Use tanh instead of ReLUFully connected networks · MNIST and CIFAR-10strength of Goldilocks-zone curvature effectHurt
Use convolutional networks instead of fully connected networksNeural network loss landscapes · MNIST and CIFAR-10Tr(H)/||H||Mixed

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