Exploiting GPU Resources at VEGA for CMS Software Validation Article Swipe
D. Spiga
,
Adriano Di Florio
,
Andrea Bocci
,
A. Pérez-Calero Yzquierdo
,
Christoph Wissing
,
José M. Hernández
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1051/epjconf/202533701083
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1051/epjconf/202533701083
In recent years, the CMS experiment has expanded the usage of HPC systems for data processing and simulation activities. These resources significantly extend the conventional pledged Grid compute capacity. Within the EuroHPC program, CMS applied for a “Benchmark Access” grant at VEGA in Slovenia, an HPC centre that is being used very successfully by the ATLAS experiment. For CMS, VEGA was integrated transparently as a sub-site extension to the Italian Tier-1 site at CNAF. In that first approach, only CPU resources were used, while all storage access was handled via CNAF through the network. Extending Grid sites with HPC resources was an established concept for CMS, however, in this project, HPC resources located in a different country from the Grid site were first integrated. CMS used the allocation primarily to validate a recent CMSSW release regarding its readiness for GPU usage. Former developments in the CMS workload management system that allow the targeting of GPU resources in the distributed infrastructure turned out to be instrumental and jobs could be submitted like any other release validation workflow. The presentation will detail aspects of the actual integration, some required tuning to achieve reasonable GPU utilisation, and an assessment of operational parameters like error rates compared to traditional Grid sites.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1051/epjconf/202533701083
- https://www.epj-conferences.org/articles/epjconf/pdf/2025/22/epjconf_chep2025_01083.pdf
- OA Status
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https://openalex.org/W4414882487Canonical identifier for this work in OpenAlex
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https://doi.org/10.1051/epjconf/202533701083Digital Object Identifier
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Exploiting GPU Resources at VEGA for CMS Software ValidationWork title
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articleOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-01-01Full publication date if available
- Authors
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D. Spiga, Adriano Di Florio, Andrea Bocci, A. Pérez-Calero Yzquierdo, Christoph Wissing, José M. HernándezList of authors in order
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https://doi.org/10.1051/epjconf/202533701083Publisher landing page
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https://www.epj-conferences.org/articles/epjconf/pdf/2025/22/epjconf_chep2025_01083.pdfDirect link to full text PDF
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YesWhether a free full text is available
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diamondOpen access status per OpenAlex
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https://www.epj-conferences.org/articles/epjconf/pdf/2025/22/epjconf_chep2025_01083.pdfDirect OA link when available
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0Total citation count in OpenAlex
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