专用于HEP实验的分析设备
Dedicated Analysis Facility for HEP Experiments
摘要:
高能物理(HEP)提供了越来越多的数据。为了分析这些,需要通过扩展存储容量来并行地不断发展计算能力。这些发展在这一领域的未来发挥着关键作用,但是,这些也可以通过优化现有的IT资源来实现。HEP软件工作流程中的主要计算能力消耗者之一是探测器模拟和数据分析。为了优化这些目标的资源需求,欧洲核子研究中心的ALICE实验提出了运行3专用分析设施(AF)的概念。这些AF是特殊的计算中心,结合了CPU和快速互连的磁盘存储模块,允许在专用数据子集上快速周转分析任务。这反过来又允许在全球LHC计算网格上对大数据样本进行分析之前优化分析过程和代码。本文介绍了2020-2022年期间维格纳分析设施(Wigner AF)的结构和进展情况。
英文摘要:
High-energy physics (HEP) provides ever-growing amount of data. To analyse these, continuously-evolving computational power is required in parallel by extending the storage capacity. Such developments play key roles in the future of this field however, these can be achieved also by optimization of existing IT resources. One of the main computing capacity consumers in the HEP software workflow are detector simulation and data analysis. To optimize the resource requirements for these aims, the concept of a dedicated Analysis Facility (AF) for Run 3 has been suggested by the ALICE experiment at CERN. These AFs are special computing centres with a combination of CPU and fast interconnected disk storage modules, allowing for rapid turnaround of analysis tasks on a dedicated subset of data. This in turn allows for optimization of the analysis process and the codes before the analysis is performed on the large data samples on the Worldwide LHC Computing Grid. In this paper, the structure and the progress summary of the Wigner Analysis Facility (Wigner AF) is presented for the period 2020-2022.
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