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Deep learning as a means to inferencing has proliferated thanks to its versatility and ability to approach or exceed human-level accuracy. These computational models have seemingly insatiable appetites for computational resources not only…

As large language models (LLMs) scale, model compression is crucial for edge deployment and accessibility. Weight-only quantization reduces model size but suffers from performance degradation at lower bit widths. Moreover, standard…

计算与语言 · 计算机科学 2025-06-03 Baohao Liao , Christian Herold , Seyyed Hadi Hashemi , Stefan Vasilev , Shahram Khadivi , Christof Monz

Various post-training uniform quantization methods have usually been studied based on convex optimization. As a result, most previous ones rely on the quantization error minimization and/or quadratic approximations. Such approaches are…

机器学习 · 计算机科学 2021-05-06 Byeongwook Kim , Dongsoo Lee , Yeonju Ro , Yongkweon Jeon , Se Jung Kwon , Baeseong Park , Daehwan Oh

Quantization is an effective strategy to reduce the storage and computation footprint of large language models (LLMs). Post-training quantization (PTQ) is a leading approach for compressing LLMs. Popular weight quantization procedures,…

机器学习 · 计算机科学 2026-05-13 Ryan Lucas , Mehdi Makni , Xiang Meng , Adam Deng , Rahul Mazumder

Model quantization is a promising method for accelerating and compressing diffusion models. Nevertheless, since post-training quantization (PTQ) fails catastrophically at low-bit cases, quantization-aware training (QAT) is essential.…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Xuewen Liu , Zhikai Li , Minhao Jiang , Mengjuan Chen , Jianquan Li , Qingyi Gu

We introduce a Power-of-Two low-bit post-training quantization(PTQ) method for deep neural network that meets hardware requirements and does not call for long-time retraining. Power-of-Two quantization can convert the multiplication…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Hongyi Yao , Pu Li , Jian Cao , Xiangcheng Liu , Chenying Xie , Bingzhang Wang

Diffusion models (DMs) generate remarkable high quality images via the stochastic denoising process, which unfortunately incurs high sampling time. Post-quantizing the trained diffusion models in fixed bit-widths, e.g., 4 bits on weights…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Rocco Manz Maruzzelli , Basile Lewandowski , Lydia Y. Chen

Scalable quantum information processing requires the ability to tune multi-qubit interactions. This makes the precise manipulation of quantum states particularly difficult for multi-qubit interactions because tunability unavoidably…

High memory demands of generative language models have drawn attention to quantization, which reduces computational cost, memory usage, and latency by mapping model weights to lower-precision integers. Approaches such as GPTQ effectively…

计算与语言 · 计算机科学 2026-02-03 Irina Proskurina , Guillaume Metzler , Julien Velcin

The nonuniform quantization strategy for compressing neural networks usually achieves better performance than its counterpart, i.e., uniform strategy, due to its superior representational capacity. However, many nonuniform quantization…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Zechun Liu , Kwang-Ting Cheng , Dong Huang , Eric Xing , Zhiqiang Shen

Deep Neural Networks reached state-of-the-art performance across numerous domains, but this progress has come at the cost of increasingly large and over-parameterized models, posing serious challenges for deployment on resource-constrained…

机器学习 · 计算机科学 2026-02-04 Dario Malchiodi , Mattia Ferraretto , Marco Frasca

Large language models achieve exceptional performance on various downstream tasks through supervised fine-tuning. However, the diversity of downstream tasks and practical requirements makes deploying multiple full-parameter fine-tuned…

机器学习 · 计算机科学 2024-10-14 Yanfeng Jiang , Zelan Yang , Bohua Chen , Shen Li , Yong Li , Tao Li

Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse natural language processing tasks. However, their extensive memory requirements, particularly due to KV cache growth during long-text understanding and…

计算与语言 · 计算机科学 2025-10-14 Haoqi Yang , Yao Yao , Zuchao Li , Baoyuan Qi , Guoming Liu , Hai Zhao

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 paper presents incremental network quantization (INQ), a novel method, targeting to efficiently convert any pre-trained full-precision convolutional neural network (CNN) model into a low-precision version whose weights are constrained…

计算机视觉与模式识别 · 计算机科学 2017-08-28 Aojun Zhou , Anbang Yao , Yiwen Guo , Lin Xu , Yurong Chen

Post-training quantization is a key technique for reducing the memory and inference latency of large language models by quantizing weights and activations without requiring retraining. However, existing methods either (1) fail to account…

Deep learning has been recently applied to physical layer processing in digital communication systems in order to improve end-to-end performance. In this work, we introduce a novel deep learning solution for soft bit quantization across…

信号处理 · 电气工程与系统科学 2021-10-20 Marius Arvinte , Jonathan I. Tamir

Deploying large language models (LLMs) on mobile platforms faces significant challenges due to the limited memory and shared computational resources of the device. Resource availability may be an issue as it is directly impacted by the…

Large reasoning models (LRMs) reach competition-level math and coding accuracy via long autoregressive decoding, making per-token decoding cost a primary deployment concern. Weight quantization is the standard tool for acceleration, but…

机器学习 · 计算机科学 2026-05-12 Euntae Choi , Sumin Song , Sungjoo Yoo

Large language models have shown exceptional capabilities in a wide range of tasks, such as text generation and video generation, among others. However, due to their massive parameter count, these models often require substantial storage…

机器学习 · 计算机科学 2024-10-18 Qian Tao , Wenyuan Yu , Jingren Zhou