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Training LLMs in distributed environments presents significant challenges due to the complexity of model execution, deployment systems, and the vast space of configurable strategies. Although various optimization techniques exist, achieving…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-15 Mingyu Liang , Hiwot Tadese Kassa , Wenyin Fu , Brian Coutinho , Louis Feng , Christina Delimitrou

Modern LLM serving now spans multi-stage pipelines including RAG retrieval and KV cache reuse, each with distinct compute, memory, and latency demands. Inference engines expose a large configuration space with no systematic navigation…

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

This work examines latency, throughput, and other metrics when performing inference on confidential GPUs. We explore different traffic patterns and scheduling strategies using a single Virtual Machine with one NVIDIA H100 GPU, to perform…

Multi-tenant AI inference platforms must balance resource utilization against service-level guarantees under variable demand. Conventional approaches fail to achieve this balance: dedicated endpoints strand capacity on idle models, while…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-03 William J. Cunningham

How many tokens can a GPU inference cluster deliver per watt? Across deployments of identical hardware, the answer varies by 40x -- not because of software inefficiency, but because of the serving context window. We derive the 1/W law:…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-28 Huamin Chen , Xunzhuo Liu , Yuhan Liu , Junchen Jiang , Bowei He , Xue Liu

The growing demand for real-time processing tasks is driving the need for multi-model inference pipelines on edge devices. However, cost-effectively deploying these pipelines while optimizing Quality of Service (QoS) and costs poses…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-05 Jinhao Sheng , Zhiqing Tang , Jianxiong Guo , Tian Wang

While GPU clusters are the de facto choice for training large deep neural network (DNN) models today, several reasons including ease of workflow, security and cost have led to efforts investigating whether CPUs may be viable for inference…

Machine Learning · Computer Science 2024-03-13 Zhanpeng Zeng , Michael Davies , Pranav Pulijala , Karthikeyan Sankaralingam , Vikas Singh

This paper presents PipeBoost, a low-latency LLM serving system for multi-GPU (serverless) clusters, which can rapidly launch inference services in response to bursty requests without preemptively over-provisioning GPUs. Many LLM inference…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-25 Chongpeng Liu , Xiaojian Liao , Hancheng Liu , Limin Xiao , Jianxin Li

Machine learning (ML) inference serving systems can schedule requests to improve GPU utilization and to meet service level objectives (SLOs) or deadlines. However, improving GPU utilization may compromise latency-sensitive scheduling, as…

Machine Learning · Computer Science 2025-12-25 Haidong Zhao , Nikolaos Georgantas

Training large language models (LLMs) is known to be challenging because of the huge computational and memory capacity requirements. To address these issues, it is common to use a cluster of GPUs with 3D parallelism, which splits a model…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-29 Jinkyu Yim , Jaeyong Song , Yerim Choi , Jaebeen Lee , Jaewon Jung , Hongsun Jang , Jinho Lee

We present a cross-architecture evaluation of production LLM inference on AMD Instinct MI325X GPUs, benchmarking four models spanning 235B to 1 trillion parameters across three architectural families (MoE+MLA, Dense+GQA, MoE+GQA) on an…

Hardware Architecture · Computer Science 2026-03-12 Athos Georgiou

A lot of deep learning applications are desired to be run on mobile devices. Both accuracy and inference time are meaningful for a lot of them. While the number of FLOPs is usually used as a proxy for neural network latency, it may be not…

Performance · Computer Science 2021-07-28 Evgeny Ponomarev , Sergey Matveev , Ivan Oseledets

Latency-sensitive inference on shared A100 clusters often suffers noisy-neighbor interference on the PCIe fabric, inflating tail latency and SLO violations. We present a fabric-agnostic, VM-deployable host-level controller that combines…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-29 Erfan Darzi , Shreeanant Bharadwaj , Sree Bhargavi Balija

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

Disaggregating the prefill and decoding phases represents an effective new paradigm for generative inference of large language models (LLM), which eliminates prefill-decoding interference and optimizes resource allocation. However, it is…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-13 Youhe Jiang , Ran Yan , Binhang Yuan

The need to recognise long-term dependencies in sequential data such as video streams has made Long Short-Term Memory (LSTM) networks a prominent Artificial Intelligence model for many emerging applications. However, the high computational…

Signal Processing · Electrical Eng. & Systems 2019-10-31 Alexandros Kouris , Stylianos I. Venieris , Michail Rizakis , Christos-Savvas Bouganis

Large language models (LLMs) deployed on edge servers are increasingly used in latency-sensitive applications such as personalized assistants, recommendation, and content moderation. However, the non-stationary nature of user data…

Machine Learning · Computer Science 2025-10-07 Yufei Li , Yu Fu , Yue Dong , Cong Liu

The proliferation of IoT devices and advancements in network technologies have intensified the demand for real-time data processing at the network edge. To address these demands, low-power AI accelerators, particularly GPUs, are…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-13 Abhinaba Chakraborty , Wouter Tavernier , Akis Kourtis , Mario Pickavet , Andreas Oikonomakis , Didier Colle

The rapid growth of large language model (LLM) services imposes increasing demands on distributed GPU inference infrastructure. Most existing scheduling systems follow a reactive paradigm, relying solely on the current system state to make…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-17 Chengze Du , Zhiwei Yu , Heng Xu , Haojie Wang , Bo liu , Jialong Li