English
Related papers

Related papers: LCG-1 Deployment and usage experience

200 papers

OpenACC is a high-level directive-based parallel programming model that can manage the sophistication of heterogeneity in architectures and abstract it from the users. The portability of the model across CPUs and accelerators has gained the…

Software Engineering · Computer Science 2022-08-30 A. M. Jarmusch , A. Liu , C. Munley , D. Horta , V. Ravichandran , J. Denny , S. Chandrasekaran

This paper introduces a conceptual foundation for Next Generation Grid Codes (NGGCs) based on stability and performance certificates, enabling the provision of dynamic ancillary services such as fast frequency and voltage regulation through…

Systems and Control · Electrical Eng. & Systems 2026-03-16 Verena Häberle , Kehao Zhuang , Xiuqiang He , Linbin Huang , Gabriela Hug , Florian Dörfler

The start of data taking at the Large Hadron Collider will herald a new era in data volumes and distributed processing in particle physics. Data volumes of hundreds of Terabytes will be shipped to Tier-2 centres for analysis by the LHC…

Distributed, Parallel, and Cluster Computing · Computer Science 2008-12-18 Greig A. Cowan , Graeme A. Stewart , Andrew Elwell

Almost all groups involved in linear collider detector studies have their own simulation software framework. Using a common persistency scheme would allow to easily share results and compare reconstruction algorithms. We present such a…

Data Analysis, Statistics and Probability · Physics 2007-05-23 Frank Gaede , Ties Behnke , Norman Graf , Tony Johnson

Heterogeneous systems have become one of the most common architectures today, thanks to their excellent performance and energy consumption. However, due to their heterogeneity they are very complex to program and even more to achieve…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-26 Raúl Nozal , Jose Luis Bosque , Ramón Beivide

The organization of the distributed user analysis on the Worldwide LHC Computing Grid (WLCG) infrastructure is one of the most challenging tasks among the computing activities at the Large Hadron Collider. The Experiment Dashboard offers a…

Data Analysis, Statistics and Probability · Physics 2019-06-14 L Sargsyan , J Andreeva , M Jha , E Karavakis , L Kokoszkiewicz , P Saiz , J Schovancova , D Tuckett

The international lattice data grid, a system for sharing gauge configuration files throughout the world, is operational for the most part. I give a status report, give some pointers on accessing lattice files, and highlight some of the…

High Energy Physics - Lattice · Physics 2008-11-26 Carleton DeTar

We introduce Version 2 of SPECI, a system for predictive simulation modeling of large-scale data-centres, i.e. warehouse-sized facilities containing hundreds of thousands of servers, as used to provide cloud services.

Distributed, Parallel, and Cluster Computing · Computer Science 2011-06-28 Ilango Leonardo Sriram , Dave Cliff

Smart grids (SGs) enable integration of diverse power sources including renewable energy resources. They can contribute to the reduction of harmful gas emission, and support two-way information flow to enhance energy efficiency, along with…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-02 Linna Ruan , Shaoyong Guo , Xuesong Qiu , Rajkumar Buyya

One of the key requirements for the Lattice QCD Application Development as part of the US Exascale Computing Project is performance portability across multiple architectures. Using the Grid C++ expression template as a starting point, we…

High Energy Physics - Lattice · Physics 2018-04-18 Peter A. Boyle , M. A. Clark , Carleton DeTar , Meifeng Lin , Verinder Rana , Alejandro Vaquero Avilés-Casco

This paper describes the use of a distributed cloud computing system for high-throughput computing (HTC) scientific applications. The distributed cloud computing system is composed of a number of separate Infrastructure-as-a-Service (IaaS)…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-02-11 R. Sobie , A. Agarwal , I. Gable , C. Leavett-Brown , M. Paterson , R. Taylor , A. Charbonneau , R. Impey , W. Podiama

This paper contains the most important aspects of computing grids. Grid computing allows high performance distributed systems to act as a single computer. An overview of grids structure and techniques is given in order to understand the way…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-03-05 Delia Sabina Stinga

PCIe-connected FPGAs are gaining popularity as an accelerator technology in data centers. However, it is challenging to jointly develop and debug host software and FPGA hardware. Changes to the hardware design require a time-consuming FPGA…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-28 Shenghsun Cho , Mrunal Patel , Basavaraj Kaladagi , Han Chen , Tapti Palit , Michael Ferdman , Peter Milder

With Grids, we are able to share computing resources and to provide for scientific communities a global trans-parent access to local facilities. In such an environment the problems of fair resource sharing and best usage arise. In this…

Instrumentation and Detectors · Physics 2007-05-23 E. Medernach

Computational Grids, coupling geographically distributed resources such as PCs, workstations, clusters, and scientific instruments, have emerged as a next generation computing platform for solving large-scale problems in science,…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 David Abramson , Rajkumar Buyya , Jonathan Giddy

This article provides a comprehensive systematic literature review of academic studies, industrial applications, and real-world deployments from 2018 to 2025, providing a practical guide and detailed overview of modern Retrieval-Augmented…

Information Retrieval · Computer Science 2026-01-12 Dean Wampler , Dave Nielson , Alireza Seddighi

Large Language Models (LLMs) have become extremely potent instruments with exceptional capacities for comprehending and producing human-like text in a wide range of applications. However, the increasing size and complexity of LLMs present…

Machine Learning · Computer Science 2024-06-18 Yingbing Huang , Lily Jiaxin Wan , Hanchen Ye , Manvi Jha , Jinghua Wang , Yuhong Li , Xiaofan Zhang , Deming Chen

The CMS experiment at CERN has released research-quality data from particle collisions at the LHC since 2014. Almost all data from the first LHC run in 2010-2012 with the corresponding simulated samples are now in the public domain, and…

High Energy Physics - Experiment · Physics 2021-09-08 Kati Lassila-Perini , Clemens Lange , Edgar Carrera Jarrin , Matthew Bellis

Designing hardware is a time-consuming and complex process. Realization of both, embedded and high-performance applications can benefit from a design process on a higher level of abstraction. This helps to reduce development time and allows…

Software Engineering · Computer Science 2015-09-01 Franz Richter-Gottfried , Alexander Ditter , Dietmar Fey

Cloud computing focuses on delivery of reliable, secure, fault-tolerant, sustainable, and scalable infrastructures for hosting Internet-based application services. These applications have different composition, configuration, and deployment…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-03-17 Rodrigo N. Calheiros , Rajiv Ranjan , Cesar A. F. De Rose , Rajkumar Buyya