CERN Accelerating science

CERN Document Server 23 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.63 секунд. 
1.
EOS software evolution enabling LHC Run 3 / Caffy, Cedric (CERN) ; Amadio, Guilherme (CERN) ; Guenther, Jaroslav (CERN) ; Lekshmanan, Abhishek (CERN) ; Mascetti, Luca (CERN) ; Peters, Andreas (CERN) ; Reis, Manuel (CERN) ; Simon, Michal Kamil (CERN) ; Sindrilaru, Elvin (CERN) ; Smith, David (CERN)
EOS has been the main storage system at CERN for more than a decade, continuously improving in order to meet the ever evolving requirements of the LHC experiments and the whole physics user community. In order to satisfy the demands of LHC Run-3, in terms of storage performance and tradeoff between cost and capacity, EOS was enhanced with a set of new functionalities and features that we will detail in this paper.First of all, we describe the use of erasure coded layouts in a large-scale deployment which enables an efficient use of available storage capacity, while at the same time providing end-users with better throughput when accessing their data. [...]
2024 - 8 p. - Published in : EPJ Web Conf. 295 (2024) 01022 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.01022
2.
Operation of the CERN disk storage infrastructure during LHC Run-3 / Caffy, Cedric (CERN) ; Amadio, Guilherme (CERN) ; Rios, Maria Arsuaga (CERN) ; Reis, Manuel Batalha (CERN) ; Capitoni, Niccolo (CERN) ; Contescu, Cristian (CERN) ; Guenther, Jaroslav (CERN) ; Mascetti, Luca (CERN) ; Peters, Andreas (CERN) ; Sindrilaru, Elvin (CERN) et al.
The CERN IT Storage group operates multiple distributed storage systems to support all CERN data storage requirements. The storage and distribution of physics data generated by LHC and non-LHC experiments is one of the biggest challenges the group has to take on during LHC Run-3.EOS [1], the CERN distributed disk storage system is playing a key role in LHC data-taking. [...]
2024 - 8 p. - Published in : EPJ Web Conf. 295 (2024) 01041 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.01041
3.
XRootD Client: A robust technology for LHC Run-3 and beyond / Amadio, Guilherme (CERN) ; Caffy, Cedric (CERN) ; Hanushevsky, Andrew Bohdan (SLAC) ; Simon, Michał Kamil (CERN) ; Smith, David (CERN)
During the LHC era the XRootD framework has proven to be a critical component of numerous data management and software defined storage solutions (most importantly EOS, the CERN storage technology used for the LHC experiments), and as such grew into one of the most strategic storage technologies in the High Energy Physics (HEP) community. Over the last year significant developments in the area of the XRootD client have been introduced, making it even more reliable and robust, as well as easier to debug. [...]
2024 - 7 p. - Published in : EPJ Web Conf. 295 (2024) 01056 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.01056
4.
ATLAS Geant4 Simulation Optimizations / ATLAS Collaboration
Several optimization techniques are implemented in the ATLAS Geant4 detector simulation to improve CPU and memory usage. [...]
ATL-SOFT-PROC-2024-005.
- 2024. - 6 p.
Original Communication (restricted to ATLAS) - Full text
5.
ATLAS Geant4 Simulation Optimizations / ATLAS Collaboration
Several optimization techniques are implemented in the ATLAS Geant4 detector simulation to improve CPU and memory usage. [...]
ATL-PHYS-PROC-2024-048.
- 2024. - 6 p.
Original Communication (restricted to ATLAS) - Full text
6.
XRootD Status and Plans / Amadio, Guilherme (speaker) (CERN)
2024 - 1239. HEP Computing; EOS 2024 Workshop External links: Talk details; Event details In : EOS 2024 Workshop
7.
XRootD Development Update / Amadio, Guilherme (speaker) (CERN)
Latest updates about XRootD development and the March XRootD Workshop..
2023 - 1026. HEP Computing; EOS 2023 Workshop External links: Talk details; Event details In : EOS 2023 Workshop
8.
Challenges and opportunities integrating LLAMA into AdePT / Gruber, Bernhard Manfred (CERN ; CASUS ; HZDR, Dresden ; Dresden, Tech. U.) ; Amadio, Guilherme (CERN) ; Hageböck, Stephan (CERN)
Particle transport simulations are a cornerstone of high-energy physics (HEP), constituting a substantial part of the computing workload performed in HEP. [...]
arXiv:2302.08252.
- 8 p.
Fulltext
9.
Optimizing the ATLAS Geant4 detector simulation software / ATLAS Collaboration
The ATLAS experiment at the LHC relies critically on simulated event samples produced by the full Geant4 detector simulation software FullSim. [...]
ATL-SOFT-PROC-2023-002.
- 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
10.
Optimizing the ATLAS Geant4 detector simulation software / ATLAS Collaboration
The ATLAS experiment at the LHC relies critically on simulated event samples produced by the full Geant4 detector simulation software (FullSim). FullSim was the major CPU consumer during the last data-taking year in 2018 and it is expected to be still significant in the HL-LHC era. [...]
ATL-SOFT-SLIDE-2022-552.- Geneva : CERN, 2022 - 17 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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