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Memory-based Temporal Graph Neural Networks are powerful tools in dynamic graph representation learning and have demonstrated superior performance in many real-world applications. However, their node memory favors smaller batch sizes to…

机器学习 · 计算机科学 2023-07-18 Hongkuan Zhou , Da Zheng , Xiang Song , George Karypis , Viktor Prasanna

Graph Neural Networks (GNNs) are emerging as a powerful tool for learning from graph-structured data and performing sophisticated inference tasks in various application domains. Although GNNs have been shown to be effective on modest-sized…

分布式、并行与集群计算 · 计算机科学 2025-05-29 Jeongmin Brian Park , Vikram Sharma Mailthody , Zaid Qureshi , Wen-mei Hwu

Latent Dirichlet Allocation (LDA) is a prominent generative probabilistic model used for uncovering abstract topics within document collections. In this paper, we explore the effectiveness of augmenting topic models with Large Language…

计算与语言 · 计算机科学 2025-07-14 Mengze Hong , Chen Jason Zhang , Di Jiang

Recent breakthroughs in Large-scale language models (LLMs) have demonstrated impressive performance on various tasks. The immense sizes of LLMs have led to very high resource demand and cost for running the models. Though the models are…

机器学习 · 计算机科学 2024-03-05 Juntao Zhao , Borui Wan , Yanghua Peng , Haibin Lin , Chuan Wu

Deep Learning (DL) models have achieved superior performance. Meanwhile, computing hardware like NVIDIA GPUs also demonstrated strong computing scaling trends with 2x throughput and memory bandwidth for each generation. With such strong…

分布式、并行与集群计算 · 计算机科学 2022-05-26 Fuxun Yu , Di Wang , Longfei Shangguan , Minjia Zhang , Chenchen Liu , Xiang Chen

The ability to train large-scale neural networks has resulted in state-of-the-art performance in many areas of computer vision. These results have largely come from computational break throughs of two forms: model parallelism, e.g. GPU…

计算机视觉与模式识别 · 计算机科学 2013-12-24 Thomas Paine , Hailin Jin , Jianchao Yang , Zhe Lin , Thomas Huang

General Purpose Graphics Processing Unit (GPGPU) computing plays a transformative role in deep learning and machine learning by leveraging the computational advantages of parallel processing. Through the power of Compute Unified Device…

Concurrent computation and communication (C3) is a pervasive paradigm in ML and other domains, making its performance optimization crucial. In this paper, we carefully characterize C3 in ML on GPUs, which are most widely deployed for ML…

硬件体系结构 · 计算机科学 2025-04-28 Anirudha Agrawal , Shaizeen Aga , Suchita Pati , Mahzabeen Islam

Large language models~(LLMs) are known for their high demand on computing resources and memory due to their substantial model size, which leads to inefficient inference on moderate GPU systems. Techniques like quantization or pruning can…

计算工程、金融与科学 · 计算机科学 2024-11-26 Wenxiang Lin , Xinglin Pan , Shaohuai Shi , Xuan Wang , Xiaowen Chu

This paper presents a heuristic for finding the optimum number of CUDA streams by using tools common to the modern AI-oriented approaches and applied to the parallel partition algorithm. A time complexity model for the GPU realization of…

分布式、并行与集群计算 · 计算机科学 2026-05-22 Milena Veneva , Toshiyuki Imamura

This work presents a GPU-accelerated solver for the unit commitment (UC) problem in large-scale power grids. The solver uses the Primal-Dual Hybrid Gradient (PDHG) algorithm to efficiently solve the relaxed linear subproblem, achieving…

最优化与控制 · 数学 2025-12-09 Hussein Sharadga , Javad Mohammadi

Recent deep learning models have moved beyond low-dimensional regular grids such as image, video, and speech, to high-dimensional graph-structured data, such as social networks, brain connections, and knowledge graphs. This evolution has…

分布式、并行与集群计算 · 计算机科学 2018-10-22 Lingxiao Ma , Zhi Yang , Youshan Miao , Jilong Xue , Ming Wu , Lidong Zhou , Yafei Dai

Fine-tuning large language models (LLMs) to align with human preferences has driven the success of systems such as Gemini and ChatGPT. However, approaches like Reinforcement Learning from Human Feedback (RLHF) remain computationally…

机器学习 · 计算机科学 2026-05-25 Miria Feng , Mert Pilanci

Optimizing GPU kernels with LLM agents is an iterative process over a large design space. Every candidate must be generated, compiled, validated, and profiled, so fewer trials will save both runtime and cost. We make two key observations.…

机器学习 · 计算机科学 2026-04-01 Siva Kumar Sastry Hari , Vignesh Balaji , Sana Damani , Qijing Huang , Christos Kozyrakis

We introduce cuPDLPx, a further enhanced GPU-based first-order solver for linear programming. Building on the recently developed restarted Halpern PDHG for LP, cuPDLPx incorporates a number of new techniques, including a new restart…

最优化与控制 · 数学 2025-09-24 Haihao Lu , Zedong Peng , Jinwen Yang

Large language models have demonstrated extraordinary performance in many AI tasks but are expensive to use, even after training, due to their requirement of high-end GPUs. Recently, a distributed system called PETALS was developed to lower…

分布式、并行与集群计算 · 计算机科学 2025-12-30 Tingyang Sun , Ting He , Bo Ji , Parimal Parag

The widespread adoption of language models (LMs) has caused a huge surge in demand for GPUs. Training large LMs requires tens of thousands of GPUs and housing them in the same datacenter (DC) is a challenge due to many constraints including…

分布式、并行与集群计算 · 计算机科学 2025-10-21 Palak , Tella Rajashekhar Reddy , Bhaskar Kataria , Rohan Gandhi , Karan Tandon , Debopam Bhattacherjee , Venkata N. Padmanabhan

Large Language Model (LLM) adapters enable low-cost model specialization, but introduce complex caching and scheduling challenges in distributed serving systems where hundreds of adapters must be hosted concurrently. While prior work has…

分布式、并行与集群计算 · 计算机科学 2026-03-02 Ferran Agullo , Joan Oliveras , Chen Wang , Alberto Gutierrez-Torre , Olivier Tardieu , Alaa Youssef , Jordi Torres , Josep Ll. Berral

Linear Programs (LPs) appear in a large number of applications and offloading them to the GPU is viable to gain performance. Existing work on offloading and solving an LP on GPU suggests that performance is gained from large sized LPs…

分布式、并行与集群计算 · 计算机科学 2016-09-27 Amit Gurung , Rajarshi Ray

The use of GPUs has proliferated for machine learning workflows and is now considered mainstream for many deep learning models. Meanwhile, when training state-of-the-art personal recommendation models, which consume the highest number of…

硬件体系结构 · 计算机科学 2020-11-12 Bilge Acun , Matthew Murphy , Xiaodong Wang , Jade Nie , Carole-Jean Wu , Kim Hazelwood