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B. V. Breugel

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#artificial intelligence Preprint Oct 2026

A Unified Hessian-Guided Framework for Post-Training Quantization

Low-bit quantization enables efficient deployment of large language models by reducing memory footprint and computational cost. Achieving high accuracy at low precision requires selecting quantization ranges, linear transformations, and weight rounding decisions. Existing approaches typically optimize these components...

M. Toftrup, Marco Federici, Boris van Breugel et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Timestral

We introduce Timestral, a family of four time series foundation models for probabilistic forecasting, with 5M, 28M, 123M, and 209M parameters. Timestral sets a new state of the art on GIFT-Eval, TIME, and fev-bench, where Timestral-209M and Timestral-123M take the top two places on every metric. We achieve this with th...

Adrien Petralia, A. Gavaudan, Artjom Joosen et al. · 1 citation
Preprint Jul 2026

MobileWan: Closing the Quality Gap for Mobile Video Diffusion

MobileWan becomes the first 5B-scale video diffusion model deployable on a commercial mobile device and proposes a learnable attention head pruning method based on binary per-head gates optimized end-to-end using a noise-biased sparsity objective and distillation-based finetuning.

Mohsen Ghafoorian, Denis Korzhenkov, Adil Karjauv et al. · 1 citation

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