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Related papers: Dedicated Analysis Facility for HEP Experiments

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High-energy physics (HEP) experiments have developed millions of lines of code over decades that are optimized to run on traditional x86 CPU systems. However, we are seeing a rapidly increasing fraction of floating point computing power in…

Heterogeneous computing integrates diverse processing elements, such as CPUs, GPUs, and FPGAs, within a single system, aiming to leverage the strengths of each architecture to optimize performance and energy consumption. In this context,…

Performance · Computer Science 2025-11-19 Maksymilian Graczyk , Vincent Desbiolles , Stefan Roiser , Andrea Guerrieri

Power consumption will be a key constraint on the future growth of Distributed High Throughput Computing (DHTC) as used by High Energy Physics (HEP). This makes performance-per-watt a crucial metric for selecting cost-efficient computing…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-01-20 David Abdurachmanov , Peter Elmer , Giulio Eulisse , Robert Knight

The large data volumes expected from the High Luminosity LHC (HL-LHC) present challenges to existing paradigms and facilities for end-user data analysis. Modern cyberinfrastructure tools provide a diverse set of services that can be…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-16 Sam Albin , Garhan Attebury , Kenneth Bloom , Brian Bockelman , Carl Lundstedt , Oksana Shadura , John Thiltges

Data from high-energy physics experiments are collected with significant financial and human effort and are mostly unique. However, until recently no coherent strategy existed for data preservation and re-use, and many important and complex…

High Energy Physics - Experiment · Physics 2015-06-03 Roman Kogler , David M. South , Michael Steder

In High Energy Physics (HEP), analysis metadata comes in many forms -- from theoretical cross-sections, to calibration corrections, to details about file processing. Correctly applying metadata is a crucial and often time-consuming step in…

The scale of scientific High Performance Computing (HPC) and High Throughput Computing (HTC) has increased significantly in recent years, and is becoming sensitive to total energy use and cost. Energy-efficiency has thus become an important…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-10-14 David Abdurachmanov , Peter Elmer , Giulio Eulisse , Robert Knight , Tapio Niemi , Jukka K. Nurminen , Filip Nyback , Goncalo Pestana , Zhonghong Ou , Kashif Khan

The IRIS-HEP software institute, as a contributor to the broader HEP Python ecosystem, is developing scalable analysis infrastructure and software tools to address the upcoming HL-LHC computing challenges with new approaches and paradigms,…

ALICE, one of the experiments at the Large Hadron Collider (CERN), is undergoing ambitious upgrades during the ongoing second long shutdown (LS2). The main goal of this project is to access rare events and previously inaccessible physics…

Instrumentation and Detectors · Physics 2020-04-23 Adam Laszlo Gera

The aggregate power use of computing hardware is an important cost factor in scientific cluster and distributed computing systems. The Worldwide LHC Computing Grid (WLCG) is a major example of such a distributed computing system, used…

As particle physics experiments push their limits on both the energy and the intensity frontiers, the amount and complexity of the produced data are also expected to increase accordingly. With such large data volumes, next-generation…

High Energy Physics - Experiment · Physics 2022-03-16 Amit Bashyal , Peter Van Gemmeren , Saba Sehrish , Kyle Knoepfel , Suren Byna , Qiao Kang

High energy physics (HEP) experiments at the LHC generate data at a rate of $\mathcal{O}(10)$ Terabits per second. This data rate is expected to exponentially increase as experiments will be upgraded in the future to achieve higher…

High Energy Physics - Phenomenology · Physics 2022-10-25 Dhananjay Saikumar

HEP Cluster is designed and implemented in Scientific Linux Cern 5.5 to grant High Energy Physics researchers one place where they can go to undertake a particular task or to provide a parallel processing architecture in which CPU resources…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-10-30 Vivek Chalotra , Anju Bhasin , Anik Gupta , Sanjeev Singh Sambyal

Despite constant improvements in efficiency, today's data centers and networks consume enormous amounts of energy and this demand is expected to rise even further. An important research question is whether and how fog computing can curb…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-02 Philipp Wiesner , Lauritz Thamsen

As the particle physics community needs higher and higher precisions in order to test our current model of the subatomic world, larger and larger datasets are necessary. With upgrades scheduled for the detectors of colliding-beam…

Data Analysis, Statistics and Probability · Physics 2025-09-09 Fotis I. Giasemis

The HEP community is approaching an era were the excellent performances of the particle accelerators in delivering collision at high rate will force the experiments to record a large amount of information. The growing size of the datasets…

A working group on detector simulation was formed as part of the high-energy physics (HEP) Software Foundation's initiative to prepare a Community White Paper that describes the main software challenges and opportunities to be faced in the…

Traditionally, high energy physics (HEP) experiments have relied on x86 CPUs for the majority of their significant computing needs. As the field looks ahead to the next generation of experiments such as DUNE and the High-Luminosity LHC, the…

This draft report summarizes and details the findings, results, and recommendations derived from the ASCR/HEP Exascale Requirements Review meeting held in June, 2015. The main conclusions are as follows. 1) Larger, more capable computing…

In April 2023, HEPScore23, the new benchmark based on HEP specific applications, was adopted by WLCG, replacing HEP-SPEC06. As part of the transition to the new benchmark, the CPU corepower published by the sites needed to be compared with…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-10 Natalia Szczepanek , Domenico Giordano , Ivan Glushkov , Gonzalo Menendez Borge , Alessandro Di Girolamo , Alexander Lory , Ilija Vukotic