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Weight decay is a standard regularization technique for training large language models (LLMs). While it is common to assign a uniform decay rate to every layer, this approach overlooks the structural diversity of LLMs and the varying…

计算与语言 · 计算机科学 2025-11-06 Di He , Songjun Tu , Ajay Jaiswal , Li Shen , Ganzhao Yuan , Shiwei Liu , Lu Yin

We consider a problem in Multi-Task Learning (MTL) where multiple linear models are jointly trained on a collection of datasets ("tasks"). A key novelty of our framework is that it allows the sparsity pattern of regression coefficients and…

统计方法学 · 统计学 2025-12-08 Kayhan Behdin , Gabriel Loewinger , Kenneth T. Kishida , Giovanni Parmigiani , Rahul Mazumder

Recent research has shown that pruning large-scale language models for inference is an effective approach to improving model efficiency, significantly reducing model weights with minimal impact on performance. Interestingly, pruning can…

计算与语言 · 计算机科学 2025-02-19 Yiran Luo , Het Patel , Yu Fu , Dawon Ahn , Jia Chen , Yue Dong , Evangelos E. Papalexakis

Language models (LMs) pretrained on a large text corpus and fine-tuned on a downstream text corpus and fine-tuned on a downstream task becomes a de facto training strategy for several natural language processing (NLP) tasks. Recently, an…

计算与语言 · 计算机科学 2021-07-23 Junghoon Lee , Jounghee Kim , Pilsung Kang

Structured pruning fundamentally reduces computational and memory overheads of large language models (LLMs) and offers a feasible solution for end-side LLM deployment. Structurally pruned models remain dense and high-precision, highly…

计算与语言 · 计算机科学 2024-07-09 Bowen Shen , Zheng Lin , Daren Zha , Wei Liu , Jian Luan , Bin Wang , Weiping Wang

Although Multi-Agent Reinforcement Learning (MARL) is effective for complex multi-robot tasks, it suffers from low sample efficiency and requires iterative manual reward tuning. Large Language Models (LLMs) have shown promise in…

机器人学 · 计算机科学 2025-06-04 Guobin Zhu , Rui Zhou , Wenkang Ji , Shiyu Zhao

The vast amounts of audio data collected in Sound Event Detection (SED) applications require efficient annotation strategies to enable supervised learning. Manual labeling is expensive and time-consuming, making Active Learning (AL) a…

声音 · 计算机科学 2025-03-05 Richard Lindholm , Oscar Marklund , Olof Mogren , John Martinsson

Speculative decoding is an emerging technique that accelerates large language model (LLM) inference by allowing a smaller draft model to predict multiple tokens in advance, which are then verified or corrected by a larger target model. In…

信号处理 · 电气工程与系统科学 2025-11-10 Ce Zheng , Tingting Yang

The inference process for large language models is slow and memory-intensive, with one of the most critical bottlenecks being excessive Key-Value (KV) cache accesses. This paper introduces "Double Sparsity," a novel post-training sparse…

机器学习 · 计算机科学 2024-08-20 Shuo Yang , Ying Sheng , Joseph E. Gonzalez , Ion Stoica , Lianmin Zheng

Trainings of Large Language Models are generally bottlenecked by matrix multiplications. In the Transformer architecture, a large portion of these operations happens in the Feed Forward Network (FFN), and this portion increases for larger…

机器学习 · 计算机科学 2026-02-09 Meghana Madhyastha , Daniel Haziza , Jesse Cai , Newsha Ardalani , Zhiqi Bu , Carole-Jean Wu

This paper introduces the Sparse Tsetlin Machine (STM), a novel Tsetlin Machine (TM) that processes sparse data efficiently. Traditionally, the TM does not consider data characteristics such as sparsity, commonly seen in NLP applications…

机器学习 · 计算机科学 2024-05-14 Sebastian Østby , Tobias M. Brambo , Sondre Glimsdal

Reinforcement Learning (RL) has emerged as a critical driver for enhancing the reasoning capabilities of Large Language Models (LLMs). While recent advancements have focused on reward engineering or data synthesis, few studies exploit the…

机器学习 · 计算机科学 2026-04-17 Bowen Ping , Zijun Chen , Tingfeng Hui , Qize Yu , Chenxuan Li , Junchi Yan , Baobao Chang

Active Learning (AL) addresses the high costs of collecting human annotations by strategically annotating the most informative samples. However, for subjective NLP tasks, incorporating a wide range of perspectives in the annotation process…

计算与语言 · 计算机科学 2024-10-24 Michiel van der Meer , Neele Falk , Pradeep K. Murukannaiah , Enrico Liscio

This work, based on Random Matrix Theory (RMT), introduces a novel early-stopping strategy for Transformer training dynamics. Utilizing the Power Law (PL) fit to tansformer attention matrices as a probe, we demarcate training into three…

机器学习 · 计算机科学 2025-12-30 Jing He , Hua Jiang , Cheng Li , Siqian Xin , Shuzhen Yang

Semi-structured sparsity provides a practical path to accelerate large language models (LLMs) with native hardware support, but post-training semi-structured pruning often suffers from substantial quality degradation due to strong…

机器学习 · 计算机科学 2026-05-08 Liu Hanzuo , Chaofan Lin , Weixuan Sun , Yulong Wang , Key , Rayying , Mingyu Gao

Large language models (LLMs) exhibit strong capabilities as decision-making agents by interleaving reasoning and actions, as seen in ReAct-style frameworks. Yet, their practical deployment is constrained by high inference costs and large…

In this study, we aim to explore Multitask Speech Language Model (SpeechLM) efficient inference via token reduction. Unlike other modalities such as vision or text, speech has unique temporal dependencies, making previous efficient…

音频与语音处理 · 电气工程与系统科学 2024-10-07 Yichen Lu , Jiaqi Song , Chao-Han Huck Yang , Shinji Watanabe

Model ensembles have long been a cornerstone for improving generalization and robustness in deep learning. However, their effectiveness often comes at the cost of substantial computational overhead. To address this issue, state-of-the-art…

In this paper, we provide a new perspective on self-supervised speech models from how the training targets are obtained. We generalize the targets extractor into Offline Targets Extractor (Off-TE) and Online Targets Extractor (On-TE). Based…

计算与语言 · 计算机科学 2023-06-01 Ziyang Ma , Zhisheng Zheng , Changli Tang , Yujin Wang , Xie Chen

Multi-task learning (MTL) and attention mechanism have been proven to effectively extract robust acoustic features for various speech-related tasks in noisy environments. In this study, we propose an attention-based MTL (ATM) approach that…

音频与语音处理 · 电气工程与系统科学 2021-02-23 Chiang-Jen Peng , Yun-Ju Chan , Cheng Yu , Syu-Siang Wang , Yu Tsao , Tai-Shih Chi