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Large language model (LLM)-based inference workloads increasingly dominate data center costs and resource utilization. Therefore, understanding the inference workload characteristics on evolving CPU-GPU coupled architectures is crucial for…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-03 Prabhu Vellaisamy , Thomas Labonte , Sourav Chakraborty , Matt Turner , Samantika Sury , John Paul Shen

Although Large Language Models (LLMs) have demonstrated remarkable capabilities, their massive parameter counts and associated extensive computing make LLMs' deployment the main part of carbon emission from nowadays AI applications.…

Machine Learning · Computer Science 2024-10-24 Jie Peng , Zhang Cao , Huaizhi Qu , Zhengyu Zhang , Chang Guo , Yanyong Zhang , Zhichao Cao , Tianlong Chen

Processing large-scale graph datasets is computationally intensive and time-consuming. Processor-centric CPU and GPU architectures, commonly used for graph applications, often face bottlenecks caused by extensive data movement between the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-11 Marzieh Barkhordar , Alireza Tabatabaeian , Mohammad Sadrosadati , Christina Giannoula , Juan Gomez Luna , Izzat El Hajj , Onur Mutlu , Alaa R. Alameldeen

Large language model (LLM) inference has become a dominant workload in modern data centers, driving significant GPU utilization and energy consumption. While prior systems optimize throughput and latency by batching, scheduling, and…

Artificial Intelligence · Computer Science 2026-05-21 Can Hankendi , Rana Shahout , Minlan Yu , Ayse K. Coskun

Recently the generative Large Language Model (LLM) has achieved remarkable success in numerous applications. Notably its inference generates output tokens one-by-one, leading to many redundant computations. The widely-used KV-Cache…

Machine Learning · Computer Science 2024-12-10 Weizhuo Li , Zhigang Wang , Yu Gu , Ge Yu

Large Language Model (LLM) inference uses an autoregressive manner to generate one token at a time, which exhibits notably lower operational intensity compared to earlier Machine Learning (ML) models such as encoder-only transformers and…

Hardware Architecture · Computer Science 2025-05-06 Yufeng Gu , Alireza Khadem , Sumanth Umesh , Ning Liang , Xavier Servot , Onur Mutlu , Ravi Iyer , Reetuparna Das

As machine learning algorithms are shown to be an increasingly valuable tool, the demand for their access has grown accordingly. Oftentimes, it is infeasible to run inference with larger models without an accelerator, which may be…

Machine Learning · Computer Science 2025-06-03 Spencer Banasik

In this paper, we first show that increases in beam size, even for small-sized LLMs (1B-7B params), require extensive GPU usage, leading to up to 80% of recurring crashes due to memory overloads in LLM-based APR. Seemingly simple solutions…

Software Engineering · Computer Science 2025-10-20 Thanh Le-Cong , Bach Le , Toby Murray

Large Language Models (LLMs) have attracted extensive attention due to their remarkable performance across various tasks. However, the substantial computational and memory requirements of LLM inference pose challenges for deployment in…

Generative Artificial Intelligence (GAI) is taking the world by storm with its unparalleled content creation ability. Large Language Models (LLMs) are at the forefront of this movement. However, the significant resource demands of LLMs…

Machine Learning · Computer Science 2024-05-14 Xinyuan Zhang , Jiang Liu , Zehui Xiong , Yudong Huang , Gaochang Xie , Ran Zhang

Large language models (LLMs) have exploded in popularity due to their new generative capabilities that go far beyond prior state-of-the-art. These technologies are increasingly being leveraged in various domains such as law, finance, and…

Large language models (LLMs) are highly compute- and memory-intensive, posing significant demands on high-performance GPUs. At the same time, advances in GPU technology driven by shrinking transistor sizes and lower operating voltages have…

Hardware Architecture · Computer Science 2026-01-29 Duo Chai , Zizhen Liu , Shuhuai Wang , Songwei Pei , Cheng Liu , Huawei Li , Shangguang Wang

Serving deep neural networks in latency critical interactive settings often requires GPU acceleration. However, the small batch sizes typical in online inference results in poor GPU utilization, a potential performance gap which GPU…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-03 Paras Jain , Xiangxi Mo , Ajay Jain , Harikaran Subbaraj , Rehan Sohail Durrani , Alexey Tumanov , Joseph Gonzalez , Ion Stoica

GPU-accelerated computing is a key technology to realize high-speed inference servers using deep neural networks (DNNs). An important characteristic of GPU-based inference is that the computational efficiency, in terms of the processing…

Performance · Computer Science 2021-01-13 Yoshiaki Inoue

In Large Language Model (LLM) inference, Key-Value (KV) caches (KV-caches) are essential for reducing time complexity. However, they result in a linear increase in GPU memory as the context length grows. While recent work explores KV-cache…

Machine Learning · Computer Science 2025-02-25 Ahmed Burak Gulhan , Krishna Teja Chitty-Venkata , Murali Emani , Mahmut Kandemir , Venkatram Vishwanath

Large Language Models (LLMs) with expanding context windows face significant performance hurdles. While caching key-value (KV) states is critical for avoiding redundant computation, the storage footprint of long-context caches quickly…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-27 Zhiqiang Xie , Ziyi Xu , Mark Zhao , Yuwei An , Vikram Sharma Mailthody , Scott Mahlke , Michael Garland , Christos Kozyrakis

Large Language Models (LLMs) and other large foundation models have achieved noteworthy success, but their size exacerbates existing resource consumption and latency challenges. In particular, the large-scale deployment of these models is…

Machine Learning · Computer Science 2023-08-30 Banghua Zhu , Ying Sheng , Lianmin Zheng , Clark Barrett , Michael I. Jordan , Jiantao Jiao

Several works have developed eviction policies to remove key-value (KV) pairs from the KV cache for more efficient inference. The focus has been on compressing the KV cache after the input prompt has been processed for faster token…

Computation and Language · Computer Science 2025-07-04 Michael R. Metel , Boxing Chen , Mehdi Rezagholizadeh

The Mixture of Experts (MoE) architecture has become a fundamental building block in state-of-the-art large language models (LLMs), improving domain-specific expertise in LLMs and scaling model capacity without proportionally increasing…

Machine Learning · Computer Science 2026-05-13 Ankit Jyothish , Ali Jannesari , Aishwarya Sarkar , Joseph Zuber

Large language model (LLM) decoding suffers from high latency due to fragmented execution across operators and heavy reliance on off-chip memory for data exchange and reduction. This execution model limits opportunities for fusion and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-27 Xinhao Luo , Zihan Liu , Yangjie Zhou , Shihan Fang , Ziyu Huang , Yu Feng , Chen Zhang , Shixuan Sun , Zhenzhe Zheng , Jingwen Leng , Minyi Guo
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