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Large language models (LLMs) show promising performance on small-scale graph reasoning tasks but fail when handling real-world graphs with complex queries. This phenomenon arises from LLMs' working memory constraints, which result in their…

Artificial Intelligence · Computer Science 2025-10-01 Rongzheng Wang , Shuang Liang , Qizhi Chen , Yihong Huang , Muquan Li , Yizhuo Ma , Dongyang Zhang , Ke Qin , Man-Fai Leung

Scaling large language models by increasing parameters and training data is increasingly constrained by limited high-quality corpora and rising communication costs. This work explores an alternative axis: increasing per-token computation…

Computation and Language · Computer Science 2026-03-11 Boyi Zeng , Yiqin Hao , He Li , Shixiang Song , Feichen Song , Zitong Wang , Siyuan Huang , Yi Xu , ZiWei He , Xinbing Wang , Zhouhan Lin

Self-attention and position embedding are two key modules in transformer-based Large Language Models (LLMs). However, the potential relationship between them is far from well studied, especially for long context window extending. In fact,…

Machine Learning · Computer Science 2024-02-29 Shiyi Zhu , Jing Ye , Wei Jiang , Siqiao Xue , Qi Zhang , Yifan Wu , Jianguo Li

We present LLM-KT, a flexible framework designed to enhance collaborative filtering (CF) models by seamlessly integrating LLM (Large Language Model)-generated features. Unlike existing methods that rely on passing LLM-generated features as…

Large Language Models (LLMs) have demonstrated remarkable capabilities in comprehending and analyzing lengthy sequential inputs, owing to their extensive context windows that allow processing millions of tokens in a single forward pass.…

Computation and Language · Computer Science 2024-12-23 Peyman Hosseini , Ignacio Castro , Iacopo Ghinassi , Matthew Purver

Recently, significant progress has been made in developing reasoning-capable Large Language Models (LLMs) through long Chain-of-Thought (CoT) techniques. However, this long-CoT reasoning process imposes substantial memory overhead due to…

Computation and Language · Computer Science 2025-05-27 Tengxuan Liu , Shiyao Li , Jiayi Yang , Tianchen Zhao , Feng Zhou , Xiaohui Song , Guohao Dai , Shengen Yan , Huazhong Yang , Yu Wang

The limited context window of contemporary large language models (LLMs) remains a primary bottleneck for their broader application across diverse domains. Although continual pre-training on long-context data offers a straightforward…

Computation and Language · Computer Science 2026-04-10 Wei Han , Pan Zhou , Soujanya Poria , Shuicheng Yan

Large language models (LLMs) have shown remarkable capabilities in natural language processing; however, they still face difficulties when tasked with understanding lengthy contexts and executing effective question answering. These…

Computation and Language · Computer Science 2025-08-18 Yanming Liu , Xinyue Peng , Jiannan Cao , Yanxin Shen , Tianyu Du , Sheng Cheng , Xun Wang , Jianwei Yin , Xuhong Zhang

To extend the context length of Transformer-based large language models (LLMs) and improve comprehension capabilities, we often face limitations due to computational resources and bounded memory storage capacity. This work introduces a…

Computation and Language · Computer Science 2024-06-11 Chensen Huang , Guibo Zhu , Xuepeng Wang , Yifei Luo , Guojing Ge , Haoran Chen , Dong Yi , Jinqiao Wang

Chain-of-Thought (CoT) reasoning enhances the problem-solving ability of large language models (LLMs) but leads to substantial inference overhead, limiting deployment in resource-constrained settings. This paper investigates efficient CoT…

Artificial Intelligence · Computer Science 2025-12-03 Ziqian Bi , Kaijie Chen , Tianyang Wang , Junfeng Hao , Benji Peng , Xinyuan Song

Modeling long sequences is crucial for various large-scale models; however, extending existing architectures to handle longer sequences presents significant technical and resource challenges. In this paper, we propose an efficient and…

Computation and Language · Computer Science 2024-10-08 Ning Wang , Zekun Li , Tongxin Bai , Guoqi Li

Processing long contexts presents a significant challenge for large language models (LLMs). While recent advancements allow LLMs to handle much longer contexts than before (e.g., 32K or 128K tokens), it is computationally expensive and can…

Computation and Language · Computer Science 2025-04-10 Hongjin Qian , Zheng Liu , Peitian Zhang , Kelong Mao , Defu Lian , Zhicheng Dou , Tiejun Huang

The evolution of Large Language Model (LLM) agents towards System~2 reasoning, characterized by deliberative, high-precision problem-solving, requires maintaining rigorous logical integrity over extended horizons. However, prevalent memory…

Artificial Intelligence · Computer Science 2026-05-15 Kaixiang Wang , Yidan Lin , Jiong Lou , Zhaojiacheng Zhou , Bunyod Suvonov , Jie Li

Chain-of-Thought (CoT) is a critical technique in enhancing the reasoning ability of Large Language Models (LLMs), and latent reasoning methods have been proposed to accelerate the inefficient token-level reasoning chain. We notice that…

Computation and Language · Computer Science 2026-02-05 Fangwei Zhu , Zhifang Sui

Processing cores and the accompanying main memory working in tandem enable the modern processors. Dissipating heat produced from computation, memory access remains a significant problem for processors. Therefore, processor thermal…

Hardware Architecture · Computer Science 2022-03-18 Lokesh Siddhu , Rajesh Kedia , Shailja Pandey , Martin Rapp , Anuj Pathania , Jörg Henkel , Preeti Ranjan Panda

Large Language Models (LLMs) falter in multi-step interactions -- often hallucinating, repeating actions, or misinterpreting user corrections -- due to reliance on linear, unstructured context. This fragility stems from the lack of…

Artificial Intelligence · Computer Science 2025-05-27 Ye Ye

Transformer models struggle with long-context inference due to their quadratic time and linear memory complexity. Recurrent Memory Transformers (RMTs) offer a solution by reducing the asymptotic cost to linear time and constant memory…

Machine Learning · Computer Science 2025-06-06 Danil Sivtsov , Ivan Rodkin , Gleb Kuzmin , Yuri Kuratov , Ivan Oseledets

Scaling language models to larger and deeper sizes has led to significant boosts in performance. Even though the size of these models limits their application in compute-constrained environments, the race to continually develop ever larger…

Computation and Language · Computer Science 2024-08-16 Amirkeivan Mohtashami , Matteo Pagliardini , Martin Jaggi

While explicit Chain-of-Thought (CoT) equips Large Language Models (LLMs) with strong reasoning capabilities, it requires models to verbalize every intermediate step in text tokens, constraining the model thoughts to the discrete vocabulary…

Computation and Language · Computer Science 2026-02-12 Weihao Liu , Dehai Min , Lu Cheng

There is a growing interest in expanding the input capacity of language models (LMs) across various domains. However, simply increasing the context window does not guarantee robust performance across diverse long-input processing tasks,…

Computation and Language · Computer Science 2024-10-10 Wei Shi , Shuang Li , Kerun Yu , Jinglei Chen , Zujie Liang , Xinhui Wu , Yuxi Qian , Feng Wei , Bo Zheng , Jiaqing Liang , Jiangjie Chen , Yanghua Xiao
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