Search Results for author: Christoph Spiegel

Found 6 papers, 5 papers with code

PERP: Rethinking the Prune-Retrain Paradigm in the Era of LLMs

no code implementations23 Dec 2023 Max Zimmer, Megi Andoni, Christoph Spiegel, Sebastian Pokutta

Neural Networks can be efficiently compressed through pruning, significantly reducing storage and computational demands while maintaining predictive performance.

Sparse Model Soups: A Recipe for Improved Pruning via Model Averaging

1 code implementation29 Jun 2023 Max Zimmer, Christoph Spiegel, Sebastian Pokutta

Model soups (Wortsman et al., 2022) enhance generalization and out-of-distribution (OOD) performance by averaging the parameters of multiple models into a single one, without increasing inference time.

Compression-aware Training of Neural Networks using Frank-Wolfe

1 code implementation24 May 2022 Max Zimmer, Christoph Spiegel, Sebastian Pokutta

Many existing Neural Network pruning approaches rely on either retraining or inducing a strong bias in order to converge to a sparse solution throughout training.

Network Pruning

How I Learned to Stop Worrying and Love Retraining

1 code implementation1 Nov 2021 Max Zimmer, Christoph Spiegel, Sebastian Pokutta

Many Neural Network Pruning approaches consist of several iterative training and pruning steps, seemingly losing a significant amount of their performance after pruning and then recovering it in the subsequent retraining phase.

Network Pruning

Deep Neural Network Training with Frank-Wolfe

1 code implementation14 Oct 2020 Sebastian Pokutta, Christoph Spiegel, Max Zimmer

In particular, we show the general feasibility of training Neural Networks whose parameters are constrained by a convex feasible region using Frank-Wolfe algorithms and compare different stochastic variants.

Projection-Free Adaptive Gradients for Large-Scale Optimization

1 code implementation29 Sep 2020 Cyrille W. Combettes, Christoph Spiegel, Sebastian Pokutta

The complexity in large-scale optimization can lie in both handling the objective function and handling the constraint set.

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