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arXiv 2004.01609cs.PFhep-exphysics.ins-det
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使用HEP实验工作流程对WLCG计算资源进行基准测试和核算

Using HEP experiment workflows for the benchmarking and accounting of WLCG computing resources

Andrea Valassi, Manfred Alef, Jean-Michel Barbet, Olga Datskova, Riccardo De Maria, Miguel Fontes Medeiros, Domenico Giordano, Costin Grigoras, Christopher Holl… 展开作者

Andrea Valassi, Manfred Alef, Jean-Michel Barbet, Olga Datskova, Riccardo De Maria, Miguel Fontes Medeiros, Domenico Giordano, Costin Grigoras, Christopher Hollowell, Martina Javurkova, Viktor Khristenko, David Lange, Michele Michelotto, Lorenzo Rinaldi, Andrea Sciabà, Cas Van Der Laan

摘要:

WLCG中的CPU资源基准测试已经基于HEP-SPEC 06(HS 06)套件超过十年。最近已经清楚的是,基于来自非HEP域的真实应用的HS 06不再描述典型的HEP工作负载。HEP-Benchmarks项目的目标是基于LHC实验的实际应用,为WLCG计算资源开发一个新的基准套件。通过构建,这些新的基准测试因此保证具有与HEP应用程序的吞吐量高度相关的分数,以及与它们类似的CPU使用模式。Linux容器和CernVM-FS文件系统是实现这种方法的两种主要技术,这在过去被认为是不可能的。在本文中,我们回顾了新的基准套件的动机,实施和展望。

英文摘要:

Benchmarking of CPU resources in WLCG has been based on the HEP-SPEC06 (HS06) suite for over a decade. It has recently become clear that HS06, which is based on real applications from non-HEP domains, no longer describes typical HEP workloads. The aim of the HEP-Benchmarks project is to develop a new benchmark suite for WLCG compute resources, based on real applications from the LHC experiments. By construction, these new benchmarks are thus guaranteed to have a score highly correlated to the throughputs of HEP applications, and a CPU usage pattern similar to theirs. Linux containers and the CernVM-FS filesystem are the two main technologies enabling this approach, which had been considered impossible in the past. In this paper, we review the motivation, implementation and outlook of the new benchmark suite.

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