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Large language models (LLMs) have shown impressive performance on language tasks but face challenges when deployed on resource-constrained devices due to their extensive parameters and reliance on dense multiplications, resulting in high…

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…

We introduce Delta-Aware Quantization (DAQ), a data-free post-training quantization framework that preserves the knowledge acquired during post-training. Standard quantization objectives minimize reconstruction error but are agnostic to the…

机器学习 · 计算机科学 2026-03-25 Xiaoming Yu , Shize Tang , Guanghua Yu , Linchuan Xie , Song Liu , Jianchen Zhu , Feng Li

Pruning has become a widely adopted technique for reducing the hardware requirements of large language models (LLMs). To recover model performance after pruning, post-training is commonly employed to mitigate the resulting performance…

人工智能 · 计算机科学 2025-05-27 Xiaodong Chen , Yuxuan Hu , Xiaokang Zhang , Yanling Wang , Cuiping Li , Hong Chen , Jing Zhang

As LLMs occupy an increasingly important role in society, they are more and more confronted with questions that require them not only to draw on their general knowledge but also to align with certain human value systems. Therefore, studying…

计算与语言 · 计算机科学 2025-10-31 Mehar Bhatia , Shravan Nayak , Gaurav Kamath , Marius Mosbach , Karolina Stańczak , Vered Shwartz , Siva Reddy

Large language models are trained in two stages: (1) unsupervised pretraining from raw text, to learn general-purpose representations, and (2) large scale instruction tuning and reinforcement learning, to better align to end tasks and user…

While overparameterization in machine learning models offers great benefits in terms of optimization and generalization, it also leads to increased computational requirements as model sizes grow. In this work, we show that by leveraging the…

机器学习 · 计算机科学 2026-02-16 Can Yaras , Peng Wang , Laura Balzano , Qing Qu

Large Language Models (LLMs) have improved substantially alignment, yet their behavior remains highly sensitive to prompt phrasing. This brittleness has motivated automated prompt engineering, but most existing methods (i) require a…

计算与语言 · 计算机科学 2026-03-05 Bartosz Dziuba , Kacper Kuchta , Paweł Batorski , Przemysław Spurek , Paul Swoboda

In this paper, we unveil that Language Models (LMs) can acquire new capabilities by assimilating parameters from homologous models without retraining or GPUs. We first introduce DARE to set most delta parameters (i.e., the disparity between…

计算与语言 · 计算机科学 2024-06-14 Le Yu , Bowen Yu , Haiyang Yu , Fei Huang , Yongbin Li

A common training approach for language models involves using a large-scale language model to expand a human-provided dataset, which is subsequently used for model training.This method significantly reduces training costs by eliminating the…

计算与语言 · 计算机科学 2025-07-09 Minghang Zhu , Shen Gao , Zhengliang Shi , Jiabao Fang , Pengjie Ren , Zhaochun Ren , Zhumin Chen , Shuo Shang

Recent state-of-the-art language models utilize a two-phase training procedure comprised of (i) unsupervised pre-training on unlabeled text, and (ii) fine-tuning for a specific supervised task. More recently, many studies have been focused…

计算与语言 · 计算机科学 2019-11-15 Itzik Malkiel , Lior Wolf

Large language models (LLMs) continue to struggle with mathematical reasoning, and common post-training pipelines often reduce each generated solution to a binary outcome: correct or incorrect. This perspective is limiting in practice, as…

机器学习 · 计算机科学 2026-04-15 Haocheng Lu , Minjun Zhu , Henry Yu

Most language models (LMs) are trained and applied in an autoregressive left-to-right fashion, assuming that the next token only depends on the preceding ones. However, this assumption ignores the potential benefits of using the full…

计算与语言 · 计算机科学 2023-03-14 Anh Nguyen , Nikos Karampatziakis , Weizhu Chen

Continual learning (CL) is essential for Large Language Models (LLMs) to adapt to evolving real-world demands, yet they are susceptible to catastrophic forgetting (CF). While traditional CF solutions rely on expensive data rehearsal, recent…

机器学习 · 计算机科学 2025-02-18 Huanxuan Liao , Shizhu He , Yupu Hao , Jun Zhao , Kang Liu

Recent work on large language models (LLMs) has increasingly focused on post-training and alignment with datasets curated to enhance instruction following, world knowledge, and specialized skills. However, most post-training datasets used…

计算与语言 · 计算机科学 2026-02-09 Aladin Djuhera , Swanand Ravindra Kadhe , Syed Zawad , Farhan Ahmed , Heiko Ludwig , Holger Boche

With the growing burden of training deep learning models with large data sets, transfer-learning has been widely adopted in many emerging deep learning algorithms. Transformer models such as BERT are the main player in natural language…

密码学与安全 · 计算机科学 2022-07-21 Mujahid Al Rafi , Yuan Feng , Hyeran Jeon

Generalization abilities of well-trained large language models (LLMs) are known to scale predictably as a function of model size. In contrast to the existence of practical scaling laws governing pre-training, the quality of LLMs after…

机器学习 · 计算机科学 2024-12-09 Zifei Xu , Alexander Lan , Wanzin Yazar , Tristan Webb , Sayeh Sharify , Xin Wang

The effectiveness of large language models (LLMs) is often hindered by duplicated data in their extensive pre-training datasets. Current approaches primarily focus on detecting and removing duplicates, which risks the loss of valuable…

计算与语言 · 计算机科学 2024-07-10 Nan He , Weichen Xiong , Hanwen Liu , Yi Liao , Lei Ding , Kai Zhang , Guohua Tang , Xiao Han , Wei Yang

The rapid advancement of large language models (LLMs) such as GPT-3, PaLM, and Llama has significantly transformed natural language processing, showcasing remarkable capabilities in understanding and generating language. However, a…

计算与语言 · 计算机科学 2026-05-15 Yifan Zhang

Model depth is a double-edged sword in deep learning: deeper models achieve higher accuracy but require higher computational cost. To efficiently train models at scale, an effective strategy is the progressive training, which scales up…

机器学习 · 计算机科学 2025-11-10 Zhiqi Bu