activity
20242026
most citedExtreme Compression of Large Language Models via Additive Quantization

4 citations · 5 across the 10 of their papers we have counts for

collaborators

14 papers

cs.CL2026

What Matters for NVFP4 Training? A Comparative Study of Low-Precision Pretraining Recipes

Anjulie Agrusa, Andrei Panferov, Elizabeth Wei +7

Training large language models directly in 4-bit floating-point (FP) formats promises substantial improvements in throughput and energy efficiency. While some recipe design choices…

cs.LG2026

Disaggregated Quantization: Specializing LLM Prefill and Decode

Andrei Panferov, Maximilian Kleinegger, Sweta Priyadarshi +2

Prefill and decode reward different approaches to quantization: low-precision arithmetic accelerates prompt processing, while compact weights reduce memory traffic during generatio…

cs.LG2026

Apertus LLM Family Expansion via Distillation and Quantization

Andrei Panferov, Davit Melikidze, Martin Jaggi +1

The wide adoption of LLMs has led to their use in great variety of applications and scenarios, such as chatbot assistants and data annotation, creating the need for the models to s…

cs.LG2026

Grid Games: The Power of Multiple Grids for Quantizing Large Language Models

Vage Egiazarian, Erik Schultheis, Andrei Panferov +3

A major recent advance in quantization is given by microscaled 4-bit formats such as NVFP4 and MXFP4, quantizing values into small groups sharing a scale, assuming a fixed floating…

cs.LG2026

Quartet II: Accurate LLM Pre-Training in NVFP4 by Improved Unbiased Gradient Estimation

Andrei Panferov, Erik Schultheis, Soroush Tabesh +1

The NVFP4 lower-precision format, supported in hardware by NVIDIA Blackwell GPUs, promises to allow, for the first time, end-to-end fully-quantized pre-training of massive models s…

cs.LG2025

Bridging the Gap Between Promise and Performance for Microscaling FP4 Quantization

Vage Egiazarian, Roberto L. Castro, Denis Kuznedelev +8

The recent hardware-accelerated microscaling 4-bit floating-point formats such as MXFP4 and NVFP4, supported on NVIDIA and AMD GPUs, promise to revolutionize large language model (…

cs.CL2025

Apertus: Democratizing Open and Compliant LLMs for Global Language Environments

Project Apertus, Alejandro Hernández-Cano, Alexander Hägele +100

We present Apertus, a fully open suite of large language models (LLMs) designed to address two systemic shortcomings in today's open model ecosystem: data compliance and multilingu…

cs.LG2025

Unified Scaling Laws for Compressed Representations

Andrei Panferov, Alexandra Volkova, Ionut-Vlad Modoranu +3

Scaling laws have shaped recent advances in machine learning by enabling predictable scaling of model performance based on model size, computation, and data volume. Concurrently, t…

cs.LG2025

Quartet: Native FP4 Training Can Be Optimal for Large Language Models

Roberto L. Castro, Andrei Panferov, Soroush Tabesh +5

Training large language models (LLMs) models directly in low-precision offers a way to address computational costs by improving both throughput and energy efficiency. For those pur…

cs.LG2025★ 1 cited

QuEST: Stable Training of LLMs with 1-Bit Weights and Activations

Andrei Panferov, Jiale Chen, Soroush Tabesh +3

One approach to reducing the massive costs of large language models (LLMs) is the use of quantized or sparse representations for training or deployment. While post-training compres…

cs.LG2024

Pushing the Limits of Large Language Model Quantization via the Linearity Theorem

Vladimir Malinovskii, Andrei Panferov, Ivan Ilin +3

Quantizing large language models has become a standard way to reduce their memory and computational costs. Typically, existing methods focus on breaking down the problem into indiv…

cs.CL2024

Panza: Design and Analysis of a Fully-Local Personalized Text Writing Assistant

Armand Nicolicioiu, Eugenia Iofinova, Andrej Jovanovic +6

The availability of powerful open-source large language models (LLMs) opens exciting use-cases, such as using personal data to fine-tune these models to imitate a user's unique wri…

cs.LG2024

Correlated Quantization for Faster Nonconvex Distributed Optimization

Andrei Panferov, Yury Demidovich, Ahmad Rammal +1

Quantization (Alistarh et al., 2017) is an important (stochastic) compression technique that reduces the volume of transmitted bits during each communication round in distributed m…

cs.LG2024★ 4 cited

Extreme Compression of Large Language Models via Additive Quantization

Vage Egiazarian, Andrei Panferov, Denis Kuznedelev +3

The emergence of accurate open large language models (LLMs) has led to a race towards performant quantization techniques which can enable their execution on end-user devices. In th…