activity
20202025
most citedGPTQ: Accurate Post-Training Quantization for Generative Pre-trained Transformers

140 citations · 243 across the 16 of their papers we have counts for

collaborators

18 papers

cs.LG2025

Beyond Outliers: A Study of Optimizers Under Quantization

Georgios Vlassis, Saleh Ashkboos, Alexandra Volkova +2

As new optimizers gain traction and model quantization becomes standard for efficient deployment, a key question arises: how does the choice of optimizer affect model performance i…

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.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

HALO: Hadamard-Assisted Lower-Precision Optimization for LLMs

Saleh Ashkboos, Mahdi Nikdan, Soroush Tabesh +3

Quantized training of Large Language Models (LLMs) remains an open challenge, as maintaining accuracy while performing all matrix multiplications in low precision has proven diffic…

cs.LG2024★ 1 cited

Computational Bottlenecks of Training Small-scale Large Language Models

Saleh Ashkboos, Iman Mirzadeh, Keivan Alizadeh +4

While large language models (LLMs) dominate the AI landscape, Small-scale large Language Models (SLMs) are gaining attention due to cost and efficiency demands from consumers. Howe…

cs.LG2024★ 1 cited

EfQAT: An Efficient Framework for Quantization-Aware Training

Saleh Ashkboos, Bram Verhoef, Torsten Hoefler +2

Quantization-aware training (QAT) schemes have been shown to achieve near-full precision accuracy. They accomplish this by training a quantized model for multiple epochs. This is c…

cs.LG2024★ 3 cited

QuaRot: Outlier-Free 4-Bit Inference in Rotated LLMs

Saleh Ashkboos, Amirkeivan Mohtashami, Maximilian L. Croci +6

We introduce QuaRot, a new Quantization scheme based on Rotations, which is able to quantize LLMs end-to-end, including all weights, activations, and KV cache in 4 bits. QuaRot rot…

cs.LG2024★ 8 cited

SliceGPT: Compress Large Language Models by Deleting Rows and Columns

Saleh Ashkboos, Maximilian L. Croci, Marcelo Gennari do Nascimento +2

Large language models have become the cornerstone of natural language processing, but their use comes with substantial costs in terms of compute and memory resources. Sparsificatio…

cs.LG2023★ 2 cited

QUIK: Towards End-to-End 4-Bit Inference on Generative Large Language Models

Saleh Ashkboos, Ilia Markov, Elias Frantar +5

Large Language Models (LLMs) from the GPT family have become extremely popular, leading to a race towards reducing their inference costs to allow for efficient local computation. Y…

cs.CL2023★ 26 cited

SpQR: A Sparse-Quantized Representation for Near-Lossless LLM Weight Compression

Tim Dettmers, Ruslan Svirschevski, Vage Egiazarian +6

Recent advances in large language model (LLM) pretraining have led to high-quality LLMs with impressive abilities. By compressing such LLMs via quantization to 3-4 bits per paramet…

cs.LG2023

STen: Productive and Efficient Sparsity in PyTorch

Andrei Ivanov, Nikoli Dryden, Tal Ben-Nun +2

As deep learning models grow, sparsity is becoming an increasingly critical component of deep neural networks, enabling improved performance and reduced storage. However, existing…

cs.LG2022★ 140 cited

GPTQ: Accurate Post-Training Quantization for Generative Pre-trained Transformers

Elias Frantar, Saleh Ashkboos, Torsten Hoefler +1

Generative Pre-trained Transformer models, known as GPT or OPT, set themselves apart through breakthrough performance across complex language modelling tasks, but also by their ext…

cs.DC2022★ 1 cited

ProbGraph: High-Performance and High-Accuracy Graph Mining with Probabilistic Set Representations

Maciej Besta, Cesare Miglioli, Paolo Sylos Labini +11

Important graph mining problems such as Clustering are computationally demanding. To significantly accelerate these problems, we propose ProbGraph: a graph representation that enab…

cs.LG2022★ 8 cited

ENS-10: A Dataset For Post-Processing Ensemble Weather Forecasts

Saleh Ashkboos, Langwen Huang, Nikoli Dryden +5

Post-processing ensemble prediction systems can improve the reliability of weather forecasting, especially for extreme event prediction. In recent years, different machine learning…

cs.DS2022★ 1 cited

The spatial computer: A model for energy-efficient parallel computation

Lukas Gianinazzi, Tal Ben-Nun, Maciej Besta +4

We present a new parallel model of computation suitable for spatial architectures, for which the energy used for communication heavily depends on the distance of the communicating…

cs.DC2021★ 48 cited

Flare: Flexible In-Network Allreduce

Daniele De Sensi, Salvatore Di Girolamo, Saleh Ashkboos +2

The allreduce operation is one of the most commonly used communication routines in distributed applications. To improve its bandwidth and to reduce network traffic, this operation…

cs.SI2021

Motif Prediction with Graph Neural Networks

Maciej Besta, Raphael Grob, Cesare Miglioli +8

Link prediction is one of the central problems in graph mining. However, recent studies highlight the importance of higher-order network analysis, where complex structures called m…

cs.LG2020★ 4 cited

New Bounds For Distributed Mean Estimation and Variance Reduction

Peter Davies, Vijaykrishna Gurunathan, Niusha Moshrefi +2

We consider the problem of distributed mean estimation (DME), in which machines are each given a local -dimensional vector , and must cooperate to esti…