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Not only with the large host memory for supporting large scale graph processing, GPU-accelerated heterogeneous architecture can also provide a great potential for high-performance computing. However, few existing heterogeneous systems can…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-06-05 Xianliang Li

Data pre-processing is a fundamental component in any data-driven application. With the increasing complexity of data processing operations and volume of data, Cylon, a distributed dataframe system, is developed to facilitate data…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-01-02 Kaiying Shan , Niranda Perera , Damitha Lenadora , Tianle Zhong , Arup Sarker , Supun Kamburugamuve , Thejaka Amila Kanewela , Chathura Widanage , Geoffrey Fox

GPUs are the heart of the latest generations of supercomputers. We efficiently accelerate a compressible multiphase flow solver via OpenACC on NVIDIA and AMD Instinct GPUs. Optimization is accomplished by specifying the directive clauses…

Heavy communication, in particular, collective operations, can become a critical performance bottleneck in scaling the training of billion-parameter neural networks to large-scale parallel systems. This paper introduces a four-dimensional…

Machine Learning · Computer Science 2024-05-15 Siddharth Singh , Prajwal Singhania , Aditya K. Ranjan , Zack Sating , Abhinav Bhatele

Brain simulation, as one of the latest advances in artificial intelligence, facilitates better understanding about how information is represented and processed in the brain. The extreme complexity of human brain makes brain simulations only…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-17 Xin Du

Performance of distributed data center applications can be improved through use of FPGA-based SmartNICs, which provide additional functionality and enable higher bandwidth communication. Until lately, however, the lack of a simple approach…

Cryptography and Security · Computer Science 2022-04-12 Rushi Patel , Pouya Haghi , Shweta Jain , Andriy Kot , Venkata Krishnan , Mayank Varia , Martin Herbordt

We present a mechanism to symbolically gather performance-relevant operation counts from numerically-oriented subprograms (`kernels') expressed in the Loopy programming system, and apply these counts in a simple, linear model of kernel run…

Performance · Computer Science 2016-04-19 James Stevens , Andreas Klöckner

Parallel input performance issues are often neglected in large scale parallel applications in Computational Science and Engineering. Traditionally, there has been less focus on input performance because either input sizes are small (as in…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-02 Mathew Jacob , Maya Taylor , Laxmikant Kale

Loopy Belief Propagation (LBP) is a widely used approximate inference algorithm in probabilistic graphical models, with applications in computer vision, error correction codes, protein folding, program analysis, etc. However, LBP faces…

Software Engineering · Computer Science 2025-09-29 Haoyu Feng , Xin Zhang

It is commonly assumed that the end-to-end networking performance of edge offloading is purely dictated by that of the network connectivity between end devices and edge computing facilities, where ongoing innovation in 5G/6G networking can…

Performance · Computer Science 2023-07-11 Walid A. Hanafy , Limin Wang , Hyunseok Chang , Sarit Mukherjee , T. V. Lakshman , Prashant Shenoy

Subgraph counting aims to count the number of occurrences of a subgraph T (aka as a template) in a given graph G. The basic problem has found applications in diverse domains. The problem is known to be computationally challenging - the…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-04-27 Langshi Chen , Bo Peng , Sabra Ossen , Anil Vullikanti , Madhav Marathe , Lei Jiang , Judy Qiu

Process mapping asks to assign vertices of a task graph to processing elements of a supercomputer such that the computational workload is balanced while the communication cost is minimized. Motivated by the recent success of GPU-based graph…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-16 Petr Samoldekin , Christian Schulz , Henning Woydt

GigaAPI is a user-space API that simplifies multi-GPU programming, bridging the gap between the capabilities of parallel GPU systems and the ability of developers to harness their full potential. The API offers a comprehensive set of…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-03 M. Suvarna , O. Tehrani

Witnessing the advancing scale and complexity of chip design and benefiting from high-performance computation technologies, the simulation of Very Large Scale Integration (VLSI) Circuits imposes an increasing requirement for acceleration…

Data Structures and Algorithms · Computer Science 2023-04-27 Weijie Fang , Yanggeng Fu , Jiaquan Gao , Longkun Guo , Gregory Gutin , Xiaoyan Zhang

In this work, we consider the integration of MPI one-sided communication and non-blocking I/O in HPC-centric MapReduce frameworks. Using a decoupled strategy, we aim to overlap the Map and Reduce phases of the algorithm by allowing…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-10 Sergio Rivas-Gomez , Sai Narasimhamurthy , Keeran Brabazon , Oliver Perks , Erwin Laure , Stefano Markidis

Data Parallelism (DP), Tensor Parallelism (TP), and Pipeline Parallelism (PP) are the three strategies widely adopted to enable fast and efficient Large Language Model (LLM) training. However, these approaches rely on data-intensive…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-05 Lang Xu , Quentin Anthony , Qinghua Zhou , Nawras Alnaasan , Radha R. Gulhane , Aamir Shafi , Hari Subramoni , Dhabaleswar K. Panda

The rapid growth of large-language models (LLMs) is driving a new wave of specialized hardware for inference. This paper presents the first workload-centric, cross-architectural performance study of commercial AI accelerators, spanning…

Hardware Architecture · Computer Science 2025-06-10 Amit Sharma

Generative models have achieved remarkable success across various applications, driving the demand for multi-GPU computing. Inter-GPU communication becomes a bottleneck in multi-GPU computing systems, particularly on consumer-grade GPUs. By…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-10 Ke Hong , Xiuhong Li , Minxu Liu , Qiuli Mao , Tianqi Wu , Zixiao Huang , Lufang Chen , Zhong Wang , Yichong Zhang , Zhenhua Zhu , Guohao Dai , Yu Wang

Training a Graph Neural Network (GNN) model on large-scale graphs involves a high volume of data communication and computations. While state-of-the-art CPUs and GPUs feature high computing power, the Standard GNN training protocol adopted…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-28 Yi-Chien Lin , Gangda Deng , Viktor Prasanna

Last several years, GPUs are used to accelerate computations in many computer science domains. We focused on GPU accelerated Support Vector Machines (SVM) training with non-linear kernel functions. We had searched for all available GPU…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-07-21 Jan Vanek , Josef Michalek , Josef Psutka