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Article | |
Report number | arXiv:2105.04031 ; LHCb-DP-2021-003 |
Title | A Comparison of CPU and GPU implementations for the LHCb Experiment Run 3 Trigger |
Author(s) |
Aaij, R. (NIKHEF, Amsterdam) ; Adinolfi, M. (Bristol U.) ; Aiola, S. (INFN, Milan) ; Akar, S. (Cincinnati U.) ; Albrecht, J. (Dortmund U.) ; Alexander, M. (Glasgow U.) ; Amato, S. (UFRJ, Rio de Janeiro) ; Amhis, Y. (IJCLab, Orsay) ; Archilli, F. (Heidelberg U.) ; Bala, M. (NCBJ, Swierk) ; Bassi, G. (INFN, Pisa) ; Bian, L. (WIT, Wuhan) ; Blago, M.P. (CERN) ; Boettcher, T. (MIT) ; Boldyrev, A. (Higher Sch. of Economics, Moscow) ; Borghi, S. (Manchester U.) ; Rodriguez, A. Brea (Santiago de Compostela U., IGFAE) ; Calefice, L. (Dortmund U. ; Paris U., VI-VII) ; Gomez, M. Calvo (Ramon Llull U., Barcelona) ; Perez, D.H. Campora (Maastricht U. ; CERN) ; Cardini, A. (INFN, Cagliari) ; Cattaneo, M. (CERN) ; Chobanova, V. (Santiago de Compostela U., IGFAE) ; Ciezarek, G. (CERN) ; Vidal, X. Cid (Santiago de Compostela U., IGFAE) ; Cobbledick, J.L. (Manchester U.) ; Coelho, J.A. B. (IJCLab, Orsay) ; Colombo, T. (CERN) ; Contu, A. (INFN, Cagliari) ; Couturier, B. (CERN) ; Craik, D.C. (MIT) ; Currie, R. (Edinburgh U.) ; d'Argent, P. (CERN) ; De Cian, M. (Ecole Polytechnique, Lausanne) ; Derkach, D. (Higher Sch. of Economics, Moscow) ; Dordei, F. (INFN, Cagliari) ; Dorigo, M. (ICC, Barcelona U. ; INFN, Trieste) ; Dufour, L. (CERN) ; Durante, P. (CERN) ; Dziurda, A. (Cracow, INP) ; Dzyuba, A. (St. Petersburg, INP) ; Easo, S. (Rutherford) ; Esen, S. (Paris U., VI-VII) ; Declara, P. Fernandez (CERN) ; Filippov, S. (Moscow, INR) ; Fitzpatrick, C. (Manchester U.) ; Frank, M. (CERN) ; Gandini, P. (INFN, Milan) ; Gligorov, V.V. (Paris U., VI-VII) ; Golobardes, E. (Ramon Llull U., Barcelona) ; Graziani, G. (INFN, Florence) ; Grillo, L. (Manchester U.) ; Günther, P.A. (Heidelberg U.) ; Hansmann-Menzemer, S. (Heidelberg U.) ; Hennequin, A.M. (CERN) ; Henry, L. (INFN, Milan ; Valencia U., IFIC) ; Hill, D. (Ecole Polytechnique, Lausanne) ; Hollitt, S.E. (Dortmund U.) ; Hu, J. (Heidelberg U.) ; Hulsbergen, W. (NIKHEF, Amsterdam) ; Hunter, R.J. (Warwick U.) ; Hushchyn, M. (Higher Sch. of Economics, Moscow) ; Jashal, B.K. (Valencia U., IFIC) ; Jones, C.R. (Cambridge U.) ; Klaver, S. (NIKHEF, Amsterdam) ; Klimaszewski, K. (NCBJ, Swierk) ; Kopecna, R. (Heidelberg U.) ; Krzemien, W. (NCBJ, Swierk) ; Kucharczyk, M. (Cracow, INP) ; Lane, R. (Bristol U.) ; Lazzari, F. (INFN, Pisa ; Siena U.) ; Le Gac, R. (Marseille, CPPM) ; Li, P. (Heidelberg U.) ; Lopes, J.H. (UFRJ, Rio de Janeiro) ; Martinez, M. Lucio (NIKHEF, Amsterdam) ; Lupato, A. (Manchester U.) ; Lupton, O. (Warwick U.) ; Lyu, X. (Beijing, GUCAS) ; Machefert, F. (IJCLab, Orsay) ; Madejczyk, O. (AGH-UST, Cracow) ; Malde, S. (Oxford U.) ; Marchand, J.F. (Annecy, LAPP) ; Mariani, S. (INFN, Florence ; U. Florence (main) ; CERN) ; Benito, C. Marin (CERN) ; Santos, D. Martinez (Santiago de Compostela U., IGFAE) ; Vidal, F. Martinez (Valencia U., IFIC) ; Matev, R. (CERN) ; Mazurek, M. (CERN) ; Mitreska, B. (Manchester U.) ; Mitzel, D.S. (CERN) ; Morello, M.J. (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Mu, H. (Tsinghua U., Beijing) ; Muzzetto, P. (INFN, Cagliari ; CERN) ; Naik, P. (Bristol U.) ; Needham, M. (Edinburgh U.) ; Neri, N. (INFN, Milan ; Milan U.) ; Neufeld, N. (CERN) ; Nolte, N.S. (Dortmund U. ; CERN) ; O'Hanlon, D. (Bristol U.) ; Oyanguren, A. (Valencia U., IFIC) ; Altarelli, M. Pepe (CERN) ; Petrucci, S. (Edinburgh U.) ; Petruzzo, M. (INFN, Milan) ; Pica, L. (INFN, Pisa ; Pisa U.) ; Pisani, F. (CERN) ; Piucci, A. (Heidelberg U.) ; Polci, F. (Paris U., VI-VII) ; Poluektov, A. (Marseille, CPPM) ; Polycarpo, E. (UFRJ, Rio de Janeiro) ; Prouve, C. (Santiago de Compostela U., IGFAE) ; Punzi, G. (ICC, Barcelona U. ; Pisa U.) ; Quagliani, R. (Paris U., VI-VII) ; Rabadan Trejo, R.I. (Marseille, CPPM) ; Ramos Pernas, M. (Warwick U.) ; Rangel, M.S. (UFRJ, Rio de Janeiro) ; Ratnikov, F. (Oxford U. ; Higher Sch. of Economics, Moscow) ; Raven, G. (Nikhef, Amsterdam ; Vrije U., Amsterdam) ; Reiss, F. (Paris U., VI-VII) ; Renaudin, V. (Oxford U.) ; Robbe, P. (IJCLab, Orsay) ; Ryzhikov, A. (Higher Sch. of Economics, Moscow) ; Santimaria, M. (Frascati) ; Saur, M. (Dortmund U.) ; Schiller, M. (Glasgow U.) ; Schwemmer, R. (CERN) ; Sciascia, B. (Frascati) ; Solomin, A. (Bristol U. ; SINP, Moscow) ; Suljik, F. (Oxford U.) ; Skidmore, N. (Manchester U.) ; Sokoloff, M.D. (Cincinnati U.) ; Spradlin, P. (Glasgow U.) ; Stahl, M. (Cincinnati U.) ; Stahl, S. (CERN) ; Stevens, H. (Dortmund U.) ; Sun, L. (WIT, Wuhan) ; Szabelski, A. (NCBJ, Swierk) ; Szumlak, T. (AGH-UST, Cracow) ; Szymanski, M. (CERN) ; Tou, D.Y. (Paris U., VI-VII) ; Tuci, G. (ICC, Barcelona U. ; Pisa U.) ; Usachov, A. (NIKHEF, Amsterdam) ; Valls Canudas, N. (ICC, Barcelona U.) ; Vazquez Gomez, R. (Santiago de Compostela U., IGFAE) ; Vecchi, S. (INFN, Ferrara) ; Vesterinen, M. (Warwick U.) ; Vilasis-Cardona, X. (Ramon Llull U., Barcelona) ; Vom Bruch, D. (Marseille, CPPM) ; Wang, Z. (Zurich U.) ; Wojton, T. (Cracow, INP) ; Whitehead, M. (Bristol U.) ; Williams, M. (MIT ; Melbourne U.) ; Witek, M. (Cracow, INP) ; Xie, Y. (CCNU, Wuhan, Inst. Part. Phys.) ; Xu, A. (Peking U., SKLNPT) ; Yin, H. (CCNU, Wuhan, Inst. Part. Phys.) ; Zdybal, M. (Cracow, INP) ; Zenaiev, O. (CERN) ; Zhang, D. (CCNU, Wuhan, Inst. Part. Phys.) ; Zhang, L. (Tsinghua U., Beijing) ; Zhu, X. (Tsinghua U., Beijing) |
Publication | 2021-12-22 |
Imprint | 2021-05-09 |
Number of pages | 30 |
Note | 30 pages, 15 figures, 8 tables |
In: | Comput. Softw. Big Sci. 6, 1 (2022) pp.1 |
DOI | 10.1007/s41781-021-00070-2 (publication) |
Subject category | physics.ins-det ; Detectors and Experimental Techniques |
Accelerator/Facility, Experiment | CERN LHC ; LHCb |
Abstract | The LHCb experiment at CERN is undergoing an upgrade in preparation for the Run 3 data taking period of the LHC. As part of this upgrade the trigger is moving to a fully software implementation operating at the LHC bunch crossing rate. We present an evaluation of a CPU-based and a GPU-based implementation of the first stage of the High Level Trigger. After a detailed comparison both options are found to be viable. This document summarizes the performance and implementation details of these options, the outcome of which has led to the choice of the GPU-based implementation as the baseline. |
Copyright/License | preprint: © 2021-2025 CERN (License: CC BY 4.0) publication: © 2021-2025 The Author(s) (License: CC-BY-4.0) |