中文
相关论文

相关论文: Unifying Block-wise PTQ and Distillation-based QAT…

200 篇论文

Due to the high memory and computational costs associated with large language models (LLMs), model compression techniques such as quantization, which reduces inference costs, and parameter-efficient fine-tuning (PEFT) methods like Low-Rank…

机器学习 · 计算机科学 2025-07-23 Hyesung Jeon , Yulhwa Kim , Jae-joon Kim

Post-training quantization (PTQ) plays a crucial role in the democratization of large language models (LLMs). However, existing low-bit quantization and sparsification techniques are difficult to balance accuracy and efficiency due to the…

计算与语言 · 计算机科学 2025-12-08 Ruixuan Huang , Hao Zeng , Hantao Huang , Jinyuan Shi , Minghui Yu , Ian En-Hsu Yen , Shuai Wang

Post-Training Quantization (PTQ) is crucial for efficient model deployment, yet its effectiveness on Ascend NPU remains under-explored compared to GPU architectures. This paper presents a case study of representative PTQ baselines applied…

机器学习 · 计算机科学 2026-02-23 Yuchen Luo , Fangyue Zhu , Ruining Zhou , Mingzhe Huang , Jian Zhu , Fanyu Fan , Wei Shao

Quantization is an indispensable technique for serving Large Language Models (LLMs) and has recently found its way into LoRA fine-tuning. In this work we focus on the scenario where quantization and LoRA fine-tuning are applied together on…

计算与语言 · 计算机科学 2023-11-29 Yixiao Li , Yifan Yu , Chen Liang , Pengcheng He , Nikos Karampatziakis , Weizhu Chen , Tuo Zhao

The increasing size and complexity of large language models (LLMs) have raised significant challenges in deployment efficiency, particularly under resource constraints. Post-training quantization (PTQ) has emerged as a practical solution by…

计算与语言 · 计算机科学 2026-04-07 Han Liu , Haotian Gao , Changya Li , Feng Zhang , Xiaotong Zhang , Wei Wang , Hong Yu

Diffusion large language models (dLLMs), which offer bidirectional context and flexible masked-denoising generation, are emerging as a compelling alternative to autoregressive (AR) LLMs. However, like AR LLMs, their model sizes continue to…

机器学习 · 计算机科学 2025-10-07 Tianao Zhang , Zhiteng Li , Xianglong Yan , Haotong Qin , Yong Guo , Yulun Zhang

As large language models continue to scale, low-bit weight-only post-training quantization (PTQ) offers a practical solution to their memory-efficient deployment. Although block-wise PTQ is capable of matching the full-precision (FP)…

人工智能 · 计算机科学 2026-05-29 Jung Hyun Lee , June Yong Yang , Jungwook Choi , Eunho Yang

Post-training quantization (PTQ) is a widely used method to compress large language models (LLMs) without fine-tuning. It typically sets quantization hyperparameters (e.g., scaling factors) based on current-layer activations. Although this…

机器学习 · 计算机科学 2026-02-04 Zheqi Lv , Zhenxuan Fan , Qi Tian , Wenqiao Zhang , Yueting Zhuang

We demonstrate, for the first time, fully quantized training (FQT) of large language models (LLMs) using predominantly 4-bit floating-point (FP4) precision for weights, activations, and gradients on datasets up to 200 billion tokens. We…

机器学习 · 计算机科学 2025-08-12 Brian Chmiel , Maxim Fishman , Ron Banner , Daniel Soudry

This paper introduces a post-training quantization~(PTQ) method achieving highly efficient Convolutional Neural Network~ (CNN) quantization with high performance. Previous PTQ methods usually reduce compression error via performing…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Chen Lin , Zheyang Li , Bo Peng , Haoji Hu , Wenming Tan , Ye Ren , Shiliang Pu

Diffusion models have achieved remarkable success in image generation but come with significant computational costs, posing challenges for deployment in resource-constrained environments. Recent post-training quantization (PTQ) methods have…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Dongyeun Lee , Jiwan Hur , Hyounguk Shon , Jae Young Lee , Junmo Kim

Post-training quantization (PTQ) of large language models (LLMs) holds the promise in reducing the prohibitive computational cost at inference time. Quantization of all weight, activation and key-value (KV) cache tensors to 4-bit without…

机器学习 · 计算机科学 2025-02-05 Utkarsh Saxena , Sayeh Sharify , Kaushik Roy , Xin Wang

This study examines 4-bit quantization methods like GPTQ in large language models (LLMs), highlighting GPTQ's overfitting and limited enhancement in Zero-Shot tasks. While prior works merely focusing on zero-shot measurement, we extend task…

Large Language Models (LLMs) excel in NLP, but their demands hinder their widespread deployment. While Quantization-Aware Training (QAT) offers a solution, its extensive training costs make Post-Training Quantization (PTQ) a more practical…

计算与语言 · 计算机科学 2024-04-09 Jing Liu , Ruihao Gong , Xiuying Wei , Zhiwei Dong , Jianfei Cai , Bohan Zhuang

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…

机器学习 · 计算机科学 2023-12-14 Liang Li , Qingyuan Li , Bo Zhang , Xiangxiang Chu

The rapid scaling of language models (LMs) has resulted in unprecedented computational, memory, and energy requirements, making their training and deployment increasingly unsustainable. Quantization has emerged as an essential compression…

Quantization is an effective technique to reduce the deployment cost of large language models (LLMs), and post-training quantization (PTQ) has been widely studied due to its efficiency. However, existing PTQ methods are limited by their…

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…

Improving the efficiency of inference in Large Language Models (LLMs) is a critical area of research. Post-training Quantization (PTQ) is a popular technique, but it often faces challenges at low-bit levels, particularly in downstream…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Wenjin Ke , Zhe Li , Dong Li , Lu Tian , Emad Barsoum

Recent advances in diffusion large language models (dLLMs) have introduced a promising alternative to autoregressive (AR) LLMs for natural language generation tasks, leveraging full attention and denoising-based decoding strategies.…

计算与语言 · 计算机科学 2026-03-17 Haokun Lin , Haobo Xu , Yichen Wu , Ziyu Guo , Renrui Zhang , Zhichao Lu , Ying Wei , Qingfu Zhang , Zhenan Sun