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Large-scale machine learning workloads increasingly rely on multi-GPU systems, yet their performance is often limited by an overlooked component: the CPU. Through a detailed study of modern large language model (LLM) inference and serving…

Hardware Architecture · Computer Science 2026-05-26 Euijun Chung , Yuxiao Jia , Aaron Jezghani , Hyesoon Kim

The development of state-of-the-art large language models is commonly understood as a two-stage process involving pre-training and post-training. We point out the need for an additional intermediate stage called reinforcement mid-training…

Computation and Language · Computer Science 2025-09-30 Yijun Tian , Shaoyu Chen , Zhichao Xu , Yawei Wang , Jinhe Bi , Peng Han , Wei Wang

Distributed deep learning workloads include throughput-intensive training tasks on the GPU clusters, where the Distributed Stochastic Gradient Descent (SGD) incurs significant communication delays after backward propagation, forces workers…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-16 Cheng Luo , Lei Qu , Youshan Miao , Peng Cheng , Yongqiang Xiong

The rapid growth of Large Transformer-based models, specifically Large Language Models (LLMs), now scaling to trillions of parameters, has necessitated training across thousands of GPUs using complex hybrid parallelism strategies (e.g.,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-26 Avinash Maurya , M. Mustafa Rafique , Franck Cappello , Bogdan Nicolae

The event-driven and elastic nature of serverless runtimes makes them a very efficient and cost-effective alternative for scaling up computations. So far, they have mostly been used for stateless, data parallel and ephemeral computations.…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-11 Arda Aytekin , Mikael Johansson

With the rapid adoption of Large Language Models (LLMs), LLM-adapters have become increasingly common, providing lightweight specialization of large-scale models. Serving hundreds or thousands of these adapters on a single GPU allows…

Scaling reinforcement learning (RL) has shown strong promise for enhancing the reasoning abilities of large language models (LLMs), particularly in tasks requiring long chain-of-thought generation. However, RL training efficiency is often…

Machine Learning · Computer Science 2026-03-25 Yiqi Zhang , Huiqiang Jiang , Xufang Luo , Zhihe Yang , Chengruidong Zhang , Yifei Shen , Dongsheng Li , Yuqing Yang , Lili Qiu , Yang You

The performance and efficiency of distributed machine learning (ML) depends significantly on how long it takes for nodes to exchange state changes. Overly-aggressive attempts to reduce communication often sacrifice final model accuracy and…

Machine Learning · Computer Science 2018-02-22 Hyeontaek Lim , David G. Andersen , Michael Kaminsky

Machine learning models and libraries can train datasets of different sizes and perform prediction and classification operations, but machine learning models and libraries cause slow and long training times on large datasets. This article…

Machine Learning · Computer Science 2025-09-17 Halil Hüseyin Çalışkan , Talha Koruk

Serving Large Language Models (LLMs) in production faces significant challenges from highly variable request patterns and severe resource fragmentation in serverless clusters. Current systems rely on static pipeline configurations that…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-12 Yanying Lin , Shijie Peng , Chengzhi Lu , Chengzhong Xu , Kejiang Ye

Large Multimodal Models (LMMs) have achieved remarkable success in vision-language tasks, yet their vast parameter counts are often underutilized during both training and inference. In this work, we embrace the idea of looping back to move…

Machine Learning · Computer Science 2026-02-11 Ruihan Xu , Yuting Gao , Lan Wang , Jianing Li , Weihao Chen , Qingpei Guo , Ming Yang , Shiliang Zhang

Data stream forecasts are essential inputs for decision making at digital platforms. Machine learning algorithms are appealing candidates to produce such forecasts. Yet, digital platforms require a large-scale forecast framework that can…

Applications · Statistics 2024-01-18 Jeroen Rombouts , Ines Wilms

An important function of autonomous microrobots is the ability to perform robust movement over terrain. This paper explores an edge ML approach to microrobot locomotion, allowing for on-device, lower latency control under compute, memory,…

Robotics · Computer Science 2026-01-01 Yichen Liu , Kesava Viswanadha , Zhongyu Li , Nelson Lojo , Kristofer S. J. Pister

Training agents to operate under strict constraints during deployment, such as limited resource budgets or stringent safety requirements, presents significant challenges, especially when these constraints render the task complex. In this…

Machine Learning · Computer Science 2025-11-05 Georgios Tzannetos , Parameswaran Kamalaruban , Adish Singla

Recent years, many applications have been driven advances by the use of Machine Learning (ML). Nowadays, it is common to see industrial-strength machine learning jobs that involve millions of model parameters, terabytes of training data,…

Databases · Computer Science 2020-08-05 Chris Liu , Pengfei Zhang , Bo Tang , Hang Shen , Lei Zhu , Ziliang Lai , Eric Lo

Loss of trainability refers to a phenomenon in continual learning where parameter updates no longer make progress on the optimization objective, so accuracy stalls or degrades as the learning problem changes over time. In this paper, we…

Machine Learning · Computer Science 2025-12-11 Gunbir Singh Baveja , Alex Lewandowski , Mark Schmidt

Machine learning models are widely recognized for their strong performance in forecasting. To keep that performance in streaming data settings, they have to be monitored and frequently re-trained. This can be done with machine learning…

Econometrics · Economics 2025-04-24 Yu Jeffrey Hu , Jeroen Rombouts , Ines Wilms

DLRM is a state-of-the-art recommendation system model that has gained widespread adoption across various industry applications. The large size of DLRM models, however, necessitates the use of multiple devices/GPUs for efficient training. A…

As one of the core parts of flexible manufacturing systems, material handling involves storage and transportation of materials between workstations with automated vehicles. The improvement in material handling can impulse the overall…

Machine Learning · Computer Science 2023-05-24 Chengpeng Hu , Ziming Wang , Jialin Liu , Junyi Wen , Bifei Mao , Xin Yao

Modern Recurrent Neural Networks have become a competitive architecture for 3D reconstruction due to their linear-time complexity. However, their performance degrades significantly when applied beyond the training context length, revealing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Xingyu Chen , Yue Chen , Yuliang Xiu , Andreas Geiger , Anpei Chen