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Modern Graphics Processing Units (GPUs) are well provisioned to support the concurrent execution of thousands of threads. Unfortunately, different bottlenecks during execution and heterogeneous application requirements create imbalances in…

We present a single-node, multi-GPU programmable graph processing library that allows programmers to easily extend single-GPU graph algorithms to achieve scalable performance on large graphs with billions of edges. Directly using the…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-03-02 Yuechao Pan , Yangzihao Wang , Yuduo Wu , Carl Yang , John D. Owens

Light-weight convolutional neural networks (CNNs) have small complexity and are good candidates for low-power, high-throughput inference. Such networks are heterogeneous in terms of computation-to-communication (CTC) ratios and computation…

Hardware Architecture · Computer Science 2021-10-05 Tiandong Zhao , Yunxuan Yu , Kun Wang , Lei He

We introduce an efficient video segmentation system for resource-limited edge devices leveraging heterogeneous compute. Specifically, we design network models by searching across multiple dimensions of specifications for the neural…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Jamie Menjay Lin , Siargey Pisarchyk , Juhyun Lee , David Tian , Tingbo Hou , Karthik Raveendran , Raman Sarokin , George Sung , Trent Tolley , Matthias Grundmann

The rapid growth of large language models (LLMs) has driven the need for high-performance, scalable GPU hardware capable of efficiently serving models with hundreds of billions of parameters. While NVIDIA GPUs have traditionally dominated…

Performance · Computer Science 2025-11-03 Chandrish Ambati , Trung Diep

We present NetReduce, a novel RDMA-compatible in-network reduction architecture to accelerate distributed DNN training. Compared to existing designs, NetReduce maintains a reliable connection between end-hosts in the Ethernet and does not…

Networking and Internet Architecture · Computer Science 2020-09-22 Shuo Liu , Qiaoling Wang , Junyi Zhang , Qinliang Lin , Yao Liu , Meng Xu , Ray C. C. Chueng , Jianfei He

AllReduce is a fundamental collective operation in distributed computing and a key performance bottleneck for large-scale training and inference. Its completion time is determined by the number of communication steps, which dominates…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-20 Anton Juerss , Vamsi Addanki , Stefan Schmid

Performant all-to-all collective operations in MPI are critical to fast Fourier transforms, transposition, and machine learning applications. There are many existing implementations for all-to-all exchanges on emerging systems, with the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-27 Shannon Kinkead , Jackson Wesley , Whit Schonbein , David DeBonis , Matthew G. F. Dosanjh , Amanda Bienz

Large-language models (LLMs) are rapidly being applied to radiology, enabling automated image interpretation and report generation tasks. Their deployment in clinical practice requires both high diagnostic accuracy and low inference…

Tissues and Organs · Quantitative Biology 2025-11-11 Jyun-Ping Kao

Convolutional neural networks (CNNs) have been widely employed in many applications such as image classification, video analysis and speech recognition. Being compute-intensive, CNN computations are mainly accelerated by GPUs with high…

Hardware Architecture · Computer Science 2016-11-09 Dong Wang , Jianjing An , Ke Xu

We discuss an implementation of adaptive fast multipole methods targeting hybrid multicore CPU- and GPU-systems. From previous experiences with the computational profile of our version of the fast multipole algorithm, suitable parts are…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-09-03 Marcus Holm , Stefan Engblom , Anders Goude , Sverker Holmgren

Large scale deep Convolution Neural Networks (CNNs) increasingly demands the computing power. It is key for researchers to own a great powerful computing platform to leverage deep learning (DL) advancing.On the other hand, as the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Xin Chen , Hua Zhou , Yuxiang Gao , Yu Zhu

Latent Dirichlet Allocation(LDA) is a popular topic model. Given the fact that the input corpus of LDA algorithms consists of millions to billions of tokens, the LDA training process is very time-consuming, which may prevent the usage of…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-03-14 Xiaolong Xie , Yun Liang , Xiuhong Li , Wei Tan

Deploying large language model (LLM) inference at scale requires jointly selecting base models, provisioning heterogeneous GPUs, configuring parallelism, and distributing workloads under tight latency, accuracy, and budget constraints.…

Machine Learning · Computer Science 2026-04-10 Jiaming Cheng , Duong Tung Nguyen

The map-reduce parallel programming model has become extremely popular in the big data community. Many big data workloads can benefit from the enhanced performance offered by supercomputers. LLMapReduce provides the familiar map-reduce…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-12-13 Chansup Byun , Jeremy Kepner , William Arcand , David Bestor , Bill Bergeron , Vijay Gadepally , Matthew Hubbell , Peter Michaleas , Julie Mullen , Andrew Prout , Antonio Rosa , Charles Yee , Albert Reuther

In recent processor development, we have witnessed the integration of GPU and CPUs into a single chip. The result of this integration is a reduction of the data communication overheads. This enables an efficient collaboration of both…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-07 Francisco Corbera , Andrés Rodríguez , Rafael Asenjo , Angeles Navarro , Antonio Vilches , María J. Garzarán

Real-time trajectory optimization for nonlinear constrained autonomous systems is critical and typically performed by CPU-based sequential solvers. Specifically, reliance on global sparse linear algebra or the serial nature of dynamic…

Robotics · Computer Science 2026-03-13 Yilin Zou , Zhong Zhang , Maxime Robic , Fanghua Jiang

Among hardware accelerators for deep-learning inference, data flow implementations offer low latency and high throughput capabilities. In these architectures, each neuron is mapped to a dedicated hardware unit, making them well-suited for…

Machine Learning · Computer Science 2026-03-10 Tobias Habermann , Michael Mecik , Zhenyu Wang , César David Vera , Martin Kumm , Mario Garrido

In recent years, GPUs have become the preferred accelerators for HPC and ML applications due to their parallelism and fast memory bandwidth. While GPUs boost computation, inter-GPU communication can create scalability bottlenecks,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-24 Didem Unat , Ilyas Turimbetov , Mohammed Kefah Taha Issa , Doğan Sağbili , Flavio Vella , Daniele De Sensi , Ismayil Ismayilov

Parallel programming models can encourage performance portability by moving the responsibility for work assignment and data distribution from the programmer to a runtime system. However, analyzing the resulting implicit memory allocations,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-14 Fabian Knorr , Philip Salzmann , Peter Thoman , Thomas Fahringer