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A Comparison of CPU and GPU Implementations for the LHCb Experiment Run 3 Trigger

2021; Springer Science+Business Media; Volume: 6; Issue: 1 Linguagem: Inglês

10.1007/s41781-021-00070-2

ISSN

2510-2036

Autores

R. Aaij, M. Adinolfi, S. Aiola, S. Akar, J. Albrecht, M. Alexander, S. Amato, Y. Amhis, F. Archilli, Madhu Bala, G. Bassi, L. Bian, Michele Piero Blago, T. Boettcher, A. S. Boldyrev, S. Borghi, A. Brea Rodríguez, L. Calefice, M. Calvo Gomez, D. H. Cámpora Pérez, A. Cardini, M. Cattaneo, V. Chobanova, G. Ciezarek, X. Cid Vidal, John Leslie Cobbledick, J. A. B. Coelho, T. Colombo, A. Contu, B. Couturier, D. C. Craik, R. Currie, P. d’Argent, M. De Cian, Д. Деркач, F. Dordei, M. Dorigo, L. Dufour, P. Durante, A. Dziurda, A. Dzyuba, S. Easo, S. Esen, P. Fernandez Declara, S. Filippov, C. Fitzpatrick, M. Frank, P. Gandini, V. V. Gligorov, Elisabet Golobardes, G. Graziani, L. Grillo, P. A. Günther, S. Hansmann-Menzemer, Arthur Marius Hennequin, Louis Henry, D. Hill, S. E. Hollitt, J. F. Hu, W. Hulsbergen, R. J. Hunter, M. Hushchyn, Brij Kishor Jashal, C. R. Jones, S. Klaver, K. Klimaszewski, R. Kopecna, W. Krzemień, M. Kucharczyk, R. Lane, F. Lazzari, R. Le Gac, P. Li, J. H. Lopes, M. Lucio Martínez, A. Lupato, O. Lupton, X. Lyu, F. Machefert, O. Madejczyk, S. Malde, J. F. Marchand, S. Mariani, C. Marín Benito, D. Martínez Santos, F. Martínez-Vidal, R. Matev, M. Mazurek, B. Mitreska, D. S. Mitzel, M. J. Morello, H. Mu, Piera Muzzetto, P. Naik, M. Needham, N. Néri, N. Neufeld, N. S. Nolte, D. P. O’Hanlon, A. Oyanguren, Monica Pepe Altarelli, S. Petrucci, M. Petruzzo, L. Pica, F. Pisani, A. Piucci, F. Polci, A. Poluektov, E. Polycarpo, C. Prouvé, G. Punzi, R. I. Rabadán Trejo, R. I. Rabadán Trejo, M. Ramos Pernas, M. S. Rangel, F. Ratnikov, G. Raven, F. Reiss, V. Renaudin, P. Robbe, A. Ryzhikov, M. Santimaria, M. Saur, M. Schiller, Rainer Schwemmer, B. Sciascia, A. Solomin, F. Suljik, N. Skidmore, M. D. Sokoloff, P. Spradlin, M. Stahl, S. Stahl, H. Stevens, L. Sun, A. Szabelski, T. Szumlak, M. Szymanski, da Yu Tou, G. Tuci, A. Usachov, N. Valls Canudas, R. Vazquez Gomez, S. Vecchi, M. Vesterinen, X. Vilasis-Cardona, D. Vom Bruch, Z. Wang, Tomasz Wojtoń, M. Whitehead, M. Williams, M. Witek, Y. H. Xie, A. Xu, H. Yin, M. Zdybał, O. Zenaiev, D. Zhang, L. Zhang, X. Zhu,

Tópico(s)

Superconducting Materials and Applications

Resumo

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.

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