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Related papers: Quantizing Whisper-small: How design choices affec…

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Post-training quantization (PTQ) is a promising approach to reducing the storage and computational requirements of large language models (LLMs) without additional training cost. Recent PTQ studies have primarily focused on quantizing only…

Machine Learning · Computer Science 2026-02-17 Reena Elangovan , Charbel Sakr , Anand Raghunathan , Brucek Khailany

Post-training quantization of Large Language Models (LLMs) has proven effective in reducing the memory and computational requirements for inference. In this study, we focus on a straightforward question: When aiming for a target accuracy or…

Computation and Language · Computer Science 2025-08-08 Zeyu Cao , Boyang Gu , Cheng Zhang , Pedro Gimenes , Jianqiao Lu , Jianyi Cheng , Xitong Gao , Yiren Zhao

Recent advances with self-supervised learning have allowed speech recognition systems to achieve state-of-the-art (SOTA) word error rates (WER) while requiring only a fraction of the labeled training data needed by its predecessors.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-27 Arthur Pimentel , Heitor Guimarães , Anderson R. Avila , Mehdi Rezagholizadeh , Tiago H. Falk

As Deep Neural Networks (DNNs) rapidly advance in various fields, including speech verification, they typically involve high computational costs and substantial memory consumption, which can be challenging to manage on mobile systems.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-15 Yeona Hong , Woo-Jin Chung , Hong-Goo Kang

As the size of large language models (LLMs) continues to grow, model compression without sacrificing accuracy has become a crucial challenge for deployment. While some quantization methods, such as GPTQ, have made progress in achieving…

Machine Learning · Computer Science 2023-12-14 Liang Li , Qingyuan Li , Bo Zhang , Xiangxiang Chu

Recent advancement in deep learning encouraged developing large automatic speech recognition (ASR) models that achieve promising results while ignoring computational and memory constraints. However, deploying such models on low resource…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Abdul Hannan , Alessio Brutti , Shah Nawaz , Mubashir Noman

Deep neural networks are widely deployed with quantization techniques to reduce memory and computational costs by lowering the numerical precision of their parameters. While quantization alters model parameters and their outputs, existing…

Machine Learning · Computer Science 2025-12-18 Chenxiang Zhang , Tongxi Qu , Zhong Li , Tian Zhang , Jun Pang , Sjouke Mauw

In this paper, we address post-training quantization (PTQ) for large language models (LLMs) from an overlooked perspective: given a pre-trained high-precision LLM, the predominant sequential quantization framework treats different layers…

Artificial Intelligence · Computer Science 2026-03-27 Shigeng Wang , Chao Li , Yangyuxuan Kang , Jiawei Fan , Zhonghong Ou , Anbang Yao

This work investigates two strategies for zero-shot non-intrusive speech assessment leveraging large language models. First, we explore the audio analysis capabilities of GPT-4o. Second, we propose GPT-Whisper, which uses Whisper as an…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-22 Ryandhimas E. Zezario , Sabato M. Siniscalchi , Hsin-Min Wang , Yu Tsao

Large Language Models (LLMs) have been emerging as prominent AI models for solving many natural language tasks due to their high performance (e.g., accuracy) and capabilities in generating high-quality responses to the given inputs.…

Neural and Evolutionary Computing · Computer Science 2026-04-22 Rachmad Vidya Wicaksana Putra , Pasindu Wickramasinghe , Muhammad Shafique

High computational overhead is a troublesome problem for diffusion models. Recent studies have leveraged post-training quantization (PTQ) to compress diffusion models. However, most of them only focus on unconditional models, leaving the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Siao Tang , Xin Wang , Hong Chen , Chaoyu Guan , Zewen Wu , Yansong Tang , Wenwu Zhu

Large language models of high parameter counts are computationally expensive, yet can be made much more efficient by compressing their weights to very low numerical precision. This can be achieved either through post-training quantization…

Machine Learning · Computer Science 2025-04-21 Zifei Xu , Sayeh Sharify , Wanzin Yazar , Tristan Webb , Xin Wang

Post-training quantization (PTQ) reduces excessive hardware cost by quantizing full-precision models into lower bit representations on a tiny calibration set, without retraining. Despite the remarkable progress made through recent efforts,…

Machine Learning · Computer Science 2024-12-16 Junrui Xiao , Zhikai Li , Lianwei Yang , Yiduo Mei , Qingyi Gu

Post-training quantization (PTQ) reduces the memory footprint of LLMs by quantizing weights to low-precision datatypes. Since LLM inference is usually memory-bound, PTQ methods can improve inference throughput. Recent state-of-the-art PTQ…

Machine Learning · Computer Science 2025-06-19 Albert Tseng , Qingyao Sun , David Hou , Christopher De Sa

Recently, post-training quantization (PTQ) has driven much attention to produce efficient neural networks without long-time retraining. Despite its low cost, current PTQ works tend to fail under the extremely low-bit setting. In this study,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Xiuying Wei , Ruihao Gong , Yuhang Li , Xianglong Liu , Fengwei Yu

Quantization-aware training (QAT) is an effective method to drastically reduce the memory footprint of LLMs while keeping performance degradation at an acceptable level. However, the optimal choice of quantization format and bit-width…

Machine Learning · Computer Science 2026-02-18 Sohir Maskey , Constantin Eichenberg , Johannes Messner , Douglas Orr

Several post-training quantization methods have been applied to large language models (LLMs), and have been shown to perform well down to 8-bits. We find that these methods break down at lower bit precision, and investigate quantization…

Computation and Language · Computer Science 2023-05-30 Zechun Liu , Barlas Oguz , Changsheng Zhao , Ernie Chang , Pierre Stock , Yashar Mehdad , Yangyang Shi , Raghuraman Krishnamoorthi , Vikas Chandra

Large-scale pre-trained Vision-Language Models (VLMs) have gained prominence in various visual and multimodal tasks, yet the deployment of VLMs on downstream application platforms remains challenging due to their prohibitive requirements of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Huixin Sun , Runqi Wang , Yanjing Li , Xianbin Cao , Xiaolong Jiang , Yao Hu , Baochang Zhang

Recently, pre-trained language models like BERT have shown promising performance on multiple natural language processing tasks. However, the application of these models has been limited due to their huge size. To reduce its size, a popular…

Computation and Language · Computer Science 2020-10-15 Zihan Zhao , Yuncong Liu , Lu Chen , Qi Liu , Rao Ma , Kai Yu

Large Language Models (LLMs) have been extensively researched and used in both academia and industry since the rise in popularity of the Transformer model, which demonstrates excellent performance in AI. However, the computational demands…

Machine Learning · Computer Science 2024-11-06 Jiedong Lang , Zhehao Guo , Shuyu Huang