collaborators

5 papers

cs.LG2025

Training Dynamics Impact Post-Training Quantization Robustness

Albert Catalan-Tatjer, Niccolò Ajroldi, Jonas Geiping

While post-training quantization is widely adopted for efficient deployment of large language models, the mechanisms underlying quantization robustness remain unclear. We conduct a…

cs.LG2025

Open-sci-ref-0.01: open and reproducible reference baselines for language model and dataset comparison

Marianna Nezhurina, Jörg Franke, Taishi Nakamura +5

We introduce open-sci-ref, a family of dense transformer models trained as research baselines across multiple model (0.13B to 1.7B parameters) and token scales (up to 1T) on 8 rece…

cs.LG2025

Enhancing Optimizer Stability: Momentum Adaptation of The NGN Step-size

Rustem Islamov, Niccolo Ajroldi, Antonio Orvieto +1

Modern optimization algorithms that incorporate momentum and adaptive step-size offer improved performance in numerous challenging deep learning tasks. However, their effectiveness…

cs.LG2025

Can you Finetune your Binoculars? Embedding Text Watermarks into the Weights of Large Language Models

Fay Elhassan, Niccolò Ajroldi, Antonio Orvieto +1

The indistinguishability of AI-generated content from human text raises challenges in transparency and accountability. While several methods exist to watermark models behind APIs,…

cs.LG2025

When, Where and Why to Average Weights?

Niccolò Ajroldi, Antonio Orvieto, Jonas Geiping

Averaging checkpoints along the training trajectory is a simple yet powerful approach to improve the generalization performance of Machine Learning models and reduce training time.…