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We present a practical system for privacy-aware large language model (LLM) inference that splits a transformer between a trusted local GPU and an untrusted cloud GPU, communicating only intermediate activations over the network. Our system…

Cryptography and Security · Computer Science 2026-02-20 Michael Cunningham

The increase in open-source availability of Large Language Models (LLMs) has enabled users to deploy them on more and more resource-constrained edge devices to reduce reliance on network connections and provide more privacy. However, the…

Hardware Architecture · Computer Science 2024-08-02 Jude Haris , Rappy Saha , Wenhao Hu , José Cano

With the development of large language models (LLMs), it has become increasingly important to optimize hardware usage and improve throughput. In this paper, we study the inference optimization of the serving system that deploys LLMs. To…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-26 Bowen Pang , Kai Li , Ruifeng She , Feifan Wang

Advances in hybrid bonding and packaging have driven growing interest in 3D DRAM-stacked accelerators with higher memory bandwidth and capacity. As LLMs scale to hundreds of billions or trillions of parameters, distributed inference across…

With the widespread adoption of Large Language Models (LLMs), the demand for high-performance LLM inference services continues to grow. To meet this demand, a growing number of AI accelerators have been proposed, such as Google TPU, Huawei…

Hardware Architecture · Computer Science 2025-10-08 Tianhao Zhu , Dahu Feng , Erhu Feng , Yubin Xia

Speculative decoding accelerates LLM inference by using a draft model to look ahead, but gains are capped by the cost of autoregressive draft generation: increasing draft size elevates acceptance rates but introduces additional latency…

Computation and Language · Computer Science 2025-12-15 Nikhil Bhendawade , Kumari Nishu , Arnav Kundu , Chris Bartels , Minsik Cho , Irina Belousova

Modern LLM serving systems confront inefficient GPU utilization due to the fundamental mismatch between compute-intensive prefill and memory-bound decode phases. While current practices attempt to address this by organizing these phases…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-29 Zejia Lin , Hongxin Xu , Guanyi Chen , Zhiguang Chen , Yutong Lu , Xianwei Zhang

The rapid evolution of Large Language Models (LLMs) towards long-context reasoning and sparse architectures has pushed memory requirements far beyond the capacity of individual device HBM. While emerging supernode architectures offer…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-04 Fangxin Liu , Qinghua Zhang , Hanjing Shen , Zhibo Liang , Li Jiang , Haibing Guan , Chong Bao , Xuefeng Jin

Diffusion large language models (dLLMs) offer a promising paradigm for parallel text generation, but in practice they face an accuracy-parallelism trade-off, where increasing tokens per forward (TPF) often degrades generation quality.…

Computation and Language · Computer Science 2026-05-12 Haoyang Zhou , Li Kong , Shijie Ren , Xiting Wang , Shuang Liang , Guowei Wang , Zhenxuan Pan

Meeting service-level objectives (SLOs) in Large Language Models (LLMs) serving is critical, but managing the high variability in load presents a significant challenge. Recent advancements in FP8 inference, backed by native hardware…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-16 Haeun Lee , Omin Kwon , Yeonhong Park , Jae W. Lee

Large Language Models (LLMs) have revolutionized AI applications, but deploying them at scale presents significant challenges. We present RTP-LLM, a high-performance inference engine for industrial-scale LLM deployment, successfully…

Large language models (LLMs) demonstrate strong capabilities across a wide range of complex tasks and are increasingly deployed at scale, placing significant demands on inference efficiency. Prior work typically decomposes inference into…

Computation and Language · Computer Science 2026-04-21 Junhao Hu , Fangze Li , Mingtao Xu , Feifan Meng , Shiju Zhao , Tiancheng Hu , Ting Peng , Anmin Liu , Wenrui Huang , Chenxu Liu , Ziyue Hua , Tao Xie

This paper presents a modular approach to accelerate inference in large language models (LLMs) by adding early exit heads at intermediate transformer layers. Each head is trained in a self-supervised manner to mimic the main model's…

Computation and Language · Computer Science 2026-02-13 Florian Valade

Processing long contexts has become a critical capability for modern large language models (LLMs). However, serving long-context LLMs comes with significant inference costs due to the high memory overhead of the key-value (KV) cache.…

Machine Learning · Computer Science 2025-03-04 Qihui Zhou , Peiqi Yin , Pengfei Zuo , James Cheng

Large language models (LLMs) face low hardware efficiency during decoding, especially for long-context reasoning tasks. This paper introduces Step-3, a 321B-parameter VLM with hardware-aware model-system co-design optimized for minimizing…

Machine Learning · Computer Science 2025-07-28 StepFun , : , Bin Wang , Bojun Wang , Changyi Wan , Guanzhe Huang , Hanpeng Hu , Haonan Jia , Hao Nie , Mingliang Li , Nuo Chen , Siyu Chen , Song Yuan , Wuxun Xie , Xiaoniu Song , Xing Chen , Xingping Yang , Xuelin Zhang , Yanbo Yu , Yaoyu Wang , Yibo Zhu , Yimin Jiang , Yu Zhou , Yuanwei Lu , Houyi Li , Jingcheng Hu , Ka Man Lo , Ailin Huang , Binxing Jiao , Bo Li , Boyu Chen , Changxin Miao , Chang Lou , Chen Hu , Chen Xu , Chenfeng Yu , Chengyuan Yao , Daokuan Lv , Dapeng Shi , Deshan Sun , Ding Huang , Dingyuan Hu , Dongqing Pang , Enle Liu , Fajie Zhang , Fanqi Wan , Gulin Yan , Han Zhang , Han Zhou , Hanghao Wu , Hangyu Guo , Hanqi Chen , Hanshan Zhang , Hao Wu , Haocheng Zhang , Haolong Yan , Haoran Lv , Haoran Wei , Hebin Zhou , Heng Wang , Heng Wang , Hongxin Li , Hongyu Zhou , Hongyuan Wang , Huiyong Guo , Jia Wang , Jiahao Gong , Jialing Xie , Jian Zhou , Jianjian Sun , Jiaoren Wu , Jiaran Zhang , Jiayu Liu , Jie Cheng , Jie Luo , Jie Yan , Jie Yang , Jieyi Hou , Jinguang Zhang , Jinlan Cao , Jisheng Yin , Junfeng Liu , Junhao Huang , Junzhe Lin , Kaijun Tan , Kaixiang Li , Kang An , Kangheng Lin , Kenkun Liu , Lei Yang , Liang Zhao , Liangyu Chen , Lieyu Shi , Liguo Tan , Lin Lin , Lin Zhang , Lina Chen , Liwen Huang , Liying Shi , Longlong Gu , Mei Chen , Mengqiang Ren , Ming Li , Mingzhe Chen , Na Wang , Nan Wu , Qi Han , Qian Zhao , Qiang Zhang , Qianni Liu , Qiaohui Chen , Qiling Wu , Qinglin He , Qinyuan Tan , Qiufeng Wang , Qiuping Wu , Qiuyan Liang , Quan Sun , Rui Li , Ruihang Miao , Ruosi Wan , Ruyan Guo , Shangwu Zhong , Shaoliang Pang , Shengjie Fan , Shijie Shang , Shilei Jiang , Shiliang Yang , Shiming Hao , Shuli Gao , Siming Huang , Siqi Liu , Tiancheng Cao , Tianhao Cheng , Tianhao Peng , Wang You , Wei Ji , Wen Sun , Wenjin Deng , Wenqing He , Wenzhen Zheng , Xi Chen , Xiangwen Kong , Xianzhen Luo , Xiaobo Yang , Xiaojia Liu , Xiaoxiao Ren , Xin Han , Xin Li , Xin Wu , Xu Zhao , Yanan Wei , Yang Li , Yangguang Li , Yangshijie Xu , Yanming Xu , Yaqiang Shi , Yeqing Shen , Yi Yang , Yifei Yang , Yifeng Gong , Yihan Chen , Yijing Yang , Yinmin Zhang , Yizhuang Zhou , Yuanhao Ding , Yuantao Fan , Yuanzhen Yang , Yuchu Luo , Yue Peng , Yufan Lu , Yuhang Deng , Yuhe Yin , Yujie Liu , Yukun Chen , Yuling Zhao , Yun Mou , Yunlong Li , Yunzhou Ju , Yusheng Li , Yuxiang Yang , Yuxiang Zhang , Yuyang Chen , Zejia Weng , Zhe Xie , Zheng Ge , Zheng Gong , Zhenyi Lu , Zhewei Huang , Zhichao Chang , Zhiguo Huang , Zhirui Wang , Zidong Yang , Zili Wang , Ziqi Wang , Zixin Zhang , Binxing Jiao , Daxin Jiang , Heung-Yeung Shum , Xiangyu Zhang

Video Large Language Models (VLLMs) incur substantial prefilling cost due to the large number of visual tokens. While attention-based token pruning offers a promising acceleration strategy, applying it at shallow decoder layers often causes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yingjie Xia , Tao Liu , Jinglei Shi , Qingsong Xie , Heng Guo , Jian Yang , Xi Wang

Large Language Model (LLM) deployment is increasingly shifting to cost-efficient accelerators like Google's Tensor Processing Units (TPUs), prioritizing both performance and total cost of ownership (TCO). However, existing LLM inference…

Performance · Computer Science 2026-04-20 Jevin Jiang , Ying Chen , Blake A. Hechtman , Fenghui Zhang , Yarong Mu

Prompt tuning (PT) offers a cost-effective alternative to fine-tuning large-scale pre-trained language models (PLMs), requiring only a few parameters in soft prompt tokens added before the input text. However, existing PT approaches face…

Computation and Language · Computer Science 2025-02-19 Pengxiang Lan , Haoyu Xu , Enneng Yang , Yuliang Liang , Guibing Guo , Jianzhe Zhao , Xingwei Wang

This study introduces bifurcated attention, a method designed to enhance language model inference in shared-context batch decoding scenarios. Our approach addresses the challenge of redundant memory IO costs, a critical factor contributing…

As Large Language Models (LLMs) scale to longer context windows, the computational cost of attention mechanisms, which traditionally grows quadratically with input length, presents a critical challenge for real-time and memory-constrained…

Computation and Language · Computer Science 2024-12-10 James Vo