31 March 2025 to 4 April 2025
Hotel De La Paix
Europe/Zurich timezone

Continuous calibration and monitoring of WLCG site corepower with HEPScore23

2 Apr 2025, 16:25
20m
Hotel De La Paix

Hotel De La Paix

Via Giuseppe Cattori 18 6900 Lugano Switzerland
Computing & Batch Services Computing and Batch Services

Speaker

Natalia Diana Szczepanek (CERN)

Description

The performance score per CPU core — corepower — reported annually by WLCG sites is a critical metric for ensuring reliable accounting, transparency, trust, and efficient resource utilization across experiment sites. It is therefore essential to compare the published CPU corepower with the actual runtime corepower observed in production environments. Traditionally, sites have reported annual performance values based on weighted averages of various CPU models, yet until now there was no direct method to validate these figures or to easily retrieve the underlying CPU model weights from each site.
With the official adoption of HEPScore23 as a benchmark in April 2023 by the WLCG, the Benchmarking Working Group introduced new tools, including the HEP Benchmark Suite with Plugins, to address this gap. The new infrastructure is able to continuously monitors and validates the reported performance values by running benchmarks across the grid. This approach ensures the accuracy of annual performance figures, promotes transparency, and enables the timely detection and correction of incorrect values with minimal effort from the sites.

Desired slot length 20 minutes
Speaker release Yes

Authors

Presentation materials

There are no materials yet.