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In spite of the great potential of large language models (LLMs) across various tasks, their deployment on resource-constrained devices remains challenging due to their excessive computational and memory demands. Quantization has emerged as…

Machine Learning · Computer Science 2025-02-28 Hao Mark Chen , Fuwen Tan , Alexandros Kouris , Royson Lee , Hongxiang Fan , Stylianos I. Venieris

LLMs have demonstrated remarkable proficiency in understanding tasks but continue to struggle with long-context comprehension, particularly with content located in the middle of extensive inputs. This limitation, known as the…

Computation and Language · Computer Science 2025-03-03 James Begin , Namit Agrawal , Eshan Singh , Yicheng Fu , Sean O'Brien , Vasu Sharma , Kevin Zhu

Decoder-only Transformer models such as GPT have demonstrated exceptional performance in text generation, by autoregressively predicting the next token. However, the efficacy of running GPT on current hardware systems is bounded by low…

Hardware Architecture · Computer Science 2024-04-16 Yuting Wu , Ziyu Wang , Wei D. Lu

Emergency communication systems face disruptions due to packet loss, bandwidth constraints, poor signal quality, delays, and jitter in VoIP systems, leading to degraded real-time service quality. Victims in distress often struggle to convey…

Sound · Computer Science 2024-12-24 Danush Venkateshperumal , Rahman Abdul Rafi , Shakil Ahmed , Ashfaq Khokhar

Serving long-context LLMs is challenging because request lengths and batch composition vary during token generation, causing the memory footprint to fluctuate significantly at runtime. Offloading KV caches to host memory limits effective…

Artificial Intelligence · Computer Science 2026-03-03 Xinyue Ma , Heelim Hong , Taegeon Um , Jongseop Lee , Seoyeong Choy , Woo-Yeon Lee , Myeongjae Jeon

Processing-in-memory architectures have been regarded as a promising solution for CNN acceleration. Existing PIM accelerator designs rely heavily on the experience of experts and require significant manual design overhead. Manual design…

Hardware Architecture · Computer Science 2024-02-29 Wanqian Li , Xiaotian Sun , Xinyu Wang , Lei Wang , Yinhe Han , Xiaoming Chen

AI applications increasingly depend on long-context inference, where LLMs consume substantial context to support stronger reasoning. Common examples include retrieval-augmented generation, agent memory layers, and multi-agent orchestration.…

Machine Learning · Computer Science 2026-05-07 Yinsicheng Jiang , Yeqi Huang , Liang Cheng , Cheng Deng , Xuan Sun , Luo Mai

Processing-in-memory (PIM), an increasingly studied neuromorphic hardware, promises orders of energy and throughput improvements for deep learning inference. Leveraging the massively parallel and efficient analog computing inside memories,…

Machine Learning · Computer Science 2022-09-20 Qing Jin , Zhiyu Chen , Jian Ren , Yanyu Li , Yanzhi Wang , Kaiyuan Yang

Large Language Models (LLMs) have achieved unprecedented success across various applications, but their substantial memory requirements pose significant challenges to current memory system designs, especially during inference. Our work…

Hardware Architecture · Computer Science 2025-12-02 Zhongchun Zhou , Chengtao Lai , Wei Zhang

The widespread growth in LLM developments increasingly demands more computational power from clusters than what they can supply. Traditional LLM applications inherently require huge static resource allocations, which force users to either…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-17 Thanh Son Phung , Douglas Thain

Multimodal Large Language Models (MLLMs) have achieved remarkable success in vision understanding, reasoning, and interaction. However, the inference computation and memory increase progressively with the generation of output tokens during…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Wenxuan Huang , Zijie Zhai , Yunhang Shen , Shaosheng Cao , Fei Zhao , Xiangfeng Xu , Zheyu Ye , Yao Hu , Shaohui Lin

The recent huge advance of Large Language Models (LLMs) is mainly driven by the increase in the number of parameters. This has led to substantial memory capacity requirements, necessitating the use of dozens of GPUs just to meet the…

Hardware Architecture · Computer Science 2024-03-12 Hongsun Jang , Jaeyong Song , Jaewon Jung , Jaeyoung Park , Youngsok Kim , Jinho Lee

LLMs are increasingly used world-wide from daily tasks to agentic systems and data analytics, requiring significant GPU resources. LLM inference systems, however, are slow compared to database systems, and inference performance and…

Performance · Computer Science 2025-10-03 Kyoungmin Kim , Jiacheng Li , Kijae Hong , Anastasia Ailamaki

Large Language Models (LLMs) struggle with long-horizon tasks due to the "context bottleneck" and the "lost-in-the-middle" phenomenon, where accumulated noise from verbose environments degrades reasoning over multi-turn interactions. To…

Artificial Intelligence · Computer Science 2026-04-14 Xiaozhe Li , Tianyi Lyu , Yizhao Yang , Liang Shan , Siyi Yang , Ligao Zhang , Zhuoyi Huang , Qingwen Liu , Yang Li

Large language models (LLMs) excel across diverse natural language processing tasks but face resource demands and limited context windows. Although techniques like pruning, quantization, and token dropping can mitigate these issues, their…

Computation and Language · Computer Science 2025-08-04 Ammar Ahmed , Sheng Di , Franck Cappello , Zirui Liu , Jingoo Han , Ali Anwar

Large Language Models drive a wide range of modern AI applications but impose substantial challenges on large-scale serving systems due to intensive computation, strict latency constraints, and throughput bottlenecks. We introduce…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-01 Jun Wang , Yunxiang Yao , Wenwei Kuang , Runze Mao , Zhenhao Sun , Zhuang Tao , Ziyang Zhang , Dengyu Li , Jiajun Chen , Zhili Wang , Kai Cui , Congzhi Cai , Longwen Lan , Ken Zhang

Processing-in-cache (PiC) and Processing-in-memory (PiM) architectures, especially those utilizing bit-line computing, offer promising solutions to mitigate data movement bottlenecks within the memory hierarchy. While previous studies have…

Computers and Society · Computer Science 2024-07-30 Dhruv Gajaria , Tosiron Adegbija , Kevin Gomez

Large Language Models (LLMs) are constrained by their inability to process lengthy inputs, resulting in the loss of critical historical information. To address this limitation, in this paper, we propose the Self-Controlled Memory (SCM)…

Computation and Language · Computer Science 2025-03-19 Bing Wang , Xinnian Liang , Jian Yang , Hui Huang , Shuangzhi Wu , Peihao Wu , Lu Lu , Zejun Ma , Zhoujun Li

Modern language agents must operate over long-horizon, multi-turn interactions, where they retrieve external information, adapt to observations, and answer interdependent queries. Yet, most LLM systems rely on full-context prompting,…

Computation and Language · Computer Science 2025-07-18 Zijian Zhou , Ao Qu , Zhaoxuan Wu , Sunghwan Kim , Alok Prakash , Daniela Rus , Jinhua Zhao , Bryan Kian Hsiang Low , Paul Pu Liang

The emergence of Phase-Change Memory (PCM) provides opportunities for directly connecting persistent memory to main memory bus. While PCM achieves high read throughput and low standby power, the critical concerns are its poor write…

Hardware Architecture · Computer Science 2020-07-28 Yinjin Fu