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This article presents an evaluation of the computational performance and energy efficiency of the Cronos cluster, composed of Raspberry Pi4 and 3b microcomputers designed for educational purposes. Experimental tests were performed using the…

硬件体系结构 · 计算机科学 2025-12-09 Martha Semken , Mariano Vargas , Ignacio Tula , Giuliana Zorzoli , Andrés Rojas Paredes

Lattice field theory (LFT) simulations underpin advances in classical statistical mechanics and quantum field theory, providing a unified computational framework across particle, nuclear, and condensed matter physics. However, the…

神经与进化计算 · 计算机科学 2025-09-17 Meng Xu , Jichang Yang , Ning Lin , Qundao Xu , Siqi Tang , Han Wang , Xiaojuan Qi , Zhongrui Wang , Ming Xu

Modern I/O applications that run on HPC infrastructures are increasingly becoming read and metadata intensive. However, having multiple concurrent applications submitting large amounts of metadata operations can easily saturate the shared…

分布式、并行与集群计算 · 计算机科学 2023-03-27 Ricardo Macedo , Mariana Miranda , Yusuke Tanimura , Jason Haga , Amit Ruhela , Stephen Lien Harrell , Richard Todd Evans , José Pereira , João Paulo

An emerging class of data-intensive applications involve the geographically dispersed extraction of complex scientific information from very large collections of measured or computed data. Such applications arise, for example, in…

分布式、并行与集群计算 · 计算机科学 2007-05-23 Bill Allcock , Joe Bester , John Bresnahan , Ann L. Chervenak , Ian Foster , Carl Kesselman , Sam Meder , Veronika Nefedova , Darcy Quesnel , Steven Tuecke

Breadth-first search (BFS) is a fundamental graph algorithm that presents significant challenges for parallel implementation due to irregular memory access patterns, load imbalance and synchronization overhead. In this paper, we introduce a…

分布式、并行与集群计算 · 计算机科学 2025-03-04 Marati Bhaskar , Raghavendra Kanakagiri

This paper presents FLASH 1.0, a C++-based software framework for rapid parallel deployment and enhancing host code portability in heterogeneous computing. FLASH takes a novel approach in describing kernels and dynamically dispatching them…

分布式、并行与集群计算 · 计算机科学 2023-07-06 Michael Riera , Masudul Hassan Quraishi , Erfan Bank Tavakoli , Fengbo Ren

This paper studies inference acceleration using distributed convolutional neural networks (CNNs) in collaborative edge computing network. To avoid inference accuracy loss in inference task partitioning, we propose receptive field-based…

分布式、并行与集群计算 · 计算机科学 2022-07-26 Nan Li , Alexandros Iosifidis , Qi Zhang

Interest in parallel architectures applied to real time selections is growing in High Energy Physics (HEP) experiments. In this paper we describe performance measurements of Graphic Processing Units (GPUs) and Intel Many Integrated Core…

The demand for computational resources is steadily increasing in experimental high energy physics as the current collider experiments continue to accumulate huge amounts of data and physicists indulge in more complex and ambitious analysis…

数据分析、统计与概率 · 物理学 2021-01-12 Nairit Sur , Leonardo Cristella , Adriano Di Florio , Vincenzo Mastrapasqua

Convolutional neural networks (CNNs) are typically trained using 16- or 32-bit floating-point (FP) and researchers show that low-precision floating-point (FP) can be highly effective for inference. Low-precision FP can be implemented in…

硬件体系结构 · 计算机科学 2021-03-02 James Garland , David Gregg

As a promising distributed machine learning paradigm that enables collaborative training without compromising data privacy, Federated Learning (FL) has been increasingly used in AIoT (Artificial Intelligence of Things) design. However, due…

机器学习 · 计算机科学 2024-01-10 Ming Hu , Zeke Xia , Zhihao Yue , Jun Xia , Yihao Huang , Yang Liu , Mingsong Chen

Coupling regular topologies with optimised routing algorithms is key in pushing the performance of interconnection networks of supercomputers.In this paper we present Dmodc, a fast deterministic routing algorithm for Parallel Generalised…

分布式、并行与集群计算 · 计算机科学 2022-11-24 John Gliksberg , Antoine Capra , Alexandre Louvet , Pedro Javier Garcia , Devan Sohier

Many cloud applications rely on fast and non-relational storage to aid in the processing of large amounts of data. Managed runtimes are now widely used to support the execution of several storage solutions of the NoSQL movement,…

编程语言 · 计算机科学 2017-04-12 Duarte Patrício , José Simão , Luís Veiga

With rapid advances in network hardware, far memory has gained a great deal of traction due to its ability to break the memory capacity wall. Existing far memory systems fall into one of two data paths: one that uses the kernel's paging…

分布式、并行与集群计算 · 计算机科学 2024-06-25 Lei Chen , Shi Liu , Chenxi Wang , Haoran Ma , Yifan Qiao , Zhe Wang , Chenggang Wu , Youyou Lu , Xiaobing Feng , Huimin Cui , Shan Lu , Harry Xu

With the approach of Exascale computing power for large-scale High Performance Computing (HPC) clusters, the gap between compute capabilities and storage systems is growing larger. This is particularly problematic for the Weather Research…

分布式、并行与集群计算 · 计算机科学 2023-04-14 Erick Fredj , Yann Delorme , Sameeh Jubran , Mark Wasserman , Zhaohui Ding , Michael Laufer

Deep neural network (DNN) inference is increasingly being executed on mobile and embedded platforms due to low latency and better privacy. However, efficient deployment on these platforms is challenging due to the intensive computation and…

硬件体系结构 · 计算机科学 2022-06-08 Lei Xun , Bashir M. Al-Hashimi , Jonathon Hare , Geoff V. Merrett

Field Programmable Gate Arrays(FPGA) exceed the computing power of software based implementations by breaking the paradigm of sequential execution and accomplishing more per clock cycle by enabling hardware level parallelization at an…

机器人学 · 计算机科学 2016-07-20 Gurshaant Malik , Krishna Gupta , Raunak Dharani , K Madhava Krishna

There has been considerable research into improving Fast Fourier Transform (FFT) performance through parallelization and optimization for specialized hardware. However, even with those advancements, processing of very large files, over 1TB…

分布式、并行与集群计算 · 计算机科学 2014-07-28 Rostislav Tsiomenko , Bradley S. Rees

Parallel programmers face the often irreconcilable goals of programmability and performance. HPC systems use distributed memory for scalability, thereby sacrificing the programmability advantages of shared memory programming models.…

分布式、并行与集群计算 · 计算机科学 2013-01-21 Bharath Ramesh , Calvin J. Ribbens , Srinidhi Varadarajan

The significant resource demands in LLM serving prompts production clusters to fully utilize heterogeneous hardware by partitioning LLM models across a mix of high-end and low-end GPUs. However, existing parallelization approaches often…

分布式、并行与集群计算 · 计算机科学 2025-09-11 Zizhao Mo , Jianxiong Liao , Huanle Xu , Zhi Zhou , Chengzhong Xu