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1.
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Madgraph5_aMC@NLO on GPUs and vector CPUs Experience with the first alpha release
/ Hageboeck, Stephan (CERN) ; Childers, Taylor (Argonne (main)) ; Hopkins, Walter (Argonne (main)) ; Mattelaer, Olivier (Cathol. U. Louvain (main)) ; Nichols, Nathan (Argonne (main)) ; Roiser, Stefan (CERN) ; Teig, Jørgen (CERN) ; Valassi, Andrea (CERN) ; Vuosalo, Carl (U. Wisconsin, Madison (main)) ; Wettersten, Zenny (CERN)
Madgraph5_aMC@NLO is one of the most-frequently used Monte-Carlo event generators at the LHC, and an important consumer of compute resources. The software has been reengineered to maintain the overall look and feel of the user interface while speeding up event generation on CPUs and GPUs. [...]
arXiv:2312.02898.-
2024 - 8 p.
- Published in : EPJ Web Conf. 295 (2024) 11013
Fulltext: document - PDF; 2312.02898 - PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.11013
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2.
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Developments in Performance and Portability for MadGraph5_aMC@NLO
/ Valassi, Andrea (CERN) ; Childers, Taylor (Argonne (main)) ; Field, Laurence (CERN) ; Hageboeck, Stefan (CERN) ; Hopkins, Walter (Argonne (main)) ; Mattelaer, Olivier (Cathol. U. Louvain (main)) ; Nichols, Nathan (Argonne (main)) ; Roiser, Stefan (CERN) ; Smith, David (CERN)
Event generators simulate particle interactions using Monte Carlo techniques, providing the primary connection between experiment and theory in experimental high energy physics. These software packages, which are the first step in the simulation worflow of collider experiments, represent approximately 5 to 20% of the annual WLCG usage for the ATLAS and CMS experiments. [...]
arXiv:2210.11122.-
2022-10-20 - 6 p.
- Published in : PoS: ICHEP2022 (2022) , pp. 212
Fulltext: document - PDF; 2210.11122 - PDF;
In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022, pp.212
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4.
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Porting CMS Heterogeneous Pixel Reconstruction to Kokkos
/ Kortelainen, Matti J. (Fermilab) ; Kwok, Martin (Fermilab) ; Childers, Taylor (Argonne (main)) ; Strelchenko, Alexei (Fermilab) ; Wang, Yunsong (LBL, Berkeley)
/CMS Collaboration
Programming for a diverse set of compute accelerators in addition to the CPU is a challenge. Maintaining separate source code for each architecture would require lots of effort, and development of new algorithms would be daunting if it had to be repeated many times. [...]
arXiv:2104.06573; FERMILAB-CONF-21-063-SCD.-
2021 - 10 p.
- Published in : EPJ Web Conf.: 251 (2021) , pp. 03034
Fulltext: fermilab-conf-21-063-scd - PDF; document - PDF; 2104.06573 - PDF; External link: Fermilab Library Server
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.03034
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Building and using containers at HPC centres for the ATLAS experiment
/ Benjamin, Douglas (Duke U.) ; Childers, Taylor (Argonne (main)) ; Lesny, David (Illinois U., Urbana) ; Oleynik, Danila (Texas U., Arlington) ; Panitkin, Sergey (Brookhaven) ; Tsulaia, Vakho (LBL, Berkeley) ; Yang, Wei (SLAC) ; Zhao, Xin (Brookhaven)
/ATLAS Collaboration
The HPC environment presents several challenges to the ATLAS experiment in running their automated computational workflows smoothly and efficiently, in particular regarding issues such as software distribution and I/O load. A vital component of the LHC Computing Grid, CVMFS, is not always available in HPC environments. [...]
EDP Sciences, 2019 - 8 p.
- Published in : EPJ Web Conf. 214 (2019) 07005
Fulltext: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.07005
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7.
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8.
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Large scale fine grain simulation workflows ("Jumbo Jobs") on HPC's
/ Benjamin, Douglas (Argonne National Laboratory) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Guan, Wen (Department of Physics, University of Wisconsin) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Javurkova, Martina (University of Massachusetts, Amherst) ; Magini, Nicolo (Iowa State University) ; Childers, John Taylor (Argonne National Laboratory)
/ATLAS Collaboration
The ATLAS experiment is using large High Performance Computers (HPC's) and fine grained simulation workflows (Event Service) to produce fully simulated events in an efficient manner. ATLAS has developed a new software component (Harvester) which provides resource provisioning and workload shaping. [...]
ATL-SOFT-SLIDE-2019-807.-
Geneva : CERN, 2019 - 13 p.
Fulltext: PPTX; External link: Original Communication (restricted to ATLAS)
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019
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9.
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Fine-Grained Processing Towards HL-LHC Computing in ATLAS
/ Benjamin, Doug (Duke U.) ; Calafiura, Paolo (LBNL, Berkeley) ; Childers, Taylor (Argonne) ; De, Kaushik (Texas U., Arlington) ; Di Girolamo, Alessandro (CERN) ; Fullana, Esteban (Valencia U.) ; Guan, Wen (Wisconsin U., Madison) ; Maeno, Tadashi (Brookhaven Natl. Lab.) ; Magini, Nicolo (U. Genoa (main)) ; Nilsson, Paul (Brookhaven Natl. Lab.) et al.
/ATLAS
During LHC's Run-2 ATLAS has been developing and evaluating new fine-grained approaches to workflows and dataflows able to better utilize computing resources in terms of storage, processing and networks. The compute-limited physics of ATLAS has driven the collaboration to aggressively harvest opportunistic cycles from what are often transiently available resources, including HPCs, clouds, volunteer computing, and grid resources in transitional states. [...]
2018 - 1 p.
- Published in : 10.1109/eScience.2018.00083
In : 14th eScience IEEE International Conference, Amsterdam, Netherlands, 29 Oct - 1 Nov 2018, pp.338
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10.
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Report from Working Group 3 : Beyond the Standard Model physics at the HL-LHC and HE-LHC
/ Cid Vidal, Xabier (Santiago de Compostela U., IGFAE) ; D'Onofrio, Monica (Liverpool U.) ; Fox, Patrick J (Fermilab) ; Torre, Riccardo (CERN ; INFN, Genoa) ; Ulmer, Keith A (Colorado U.) ; Aboubrahim, Amin (Northeastern U.) ; Albert, Andreas (RWTH Aachen U.) ; Alimena, Juliette (Ohio State U., Columbus (main)) ; Allanach, Benjamin C (Cambridge U., DAMTP) ; Alpigiani, Cristiano (Washington U., Seattle) et al.
This is the third out of five chapters of the final report [1] of the Workshop on Physics at HL-LHC, and perspectives on HE-LHC [2]. It is devoted to the study of the potential, in the search for Beyond the Standard Model (BSM) physics, of the High Luminosity (HL) phase of the LHC, defined as $3$ ab$^{-1}$ of data taken at a centre-of-mass energy of 14 TeV, and of a possible future upgrade, the High Energy (HE) LHC, defined as $15$ ab$^{-1}$ of data at a centre-of-mass energy of 27 TeV. [...]
arXiv:1812.07831; CERN-LPCC-2018-05.-
Geneva : CERN, 2019-12-02 - 281 p.
- Published in : CERN Yellow Rep. Monogr. 7 (2019) 585-865
Fulltext: PDF; arXiv: PDF; External link: Published Fulltext
In : HL/HE-LHC Workshop : Workshop on the Physics of HL-LHC, and Perspectives at HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018
Report on the Physics at the HL-LHC, and Perspectives for the HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018, pp.585-865
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