The Large Hadron Collider beauty (LHCb) experiment at CERN is undergoing an upgrade in preparation for the Run 3 data collection period at the Large Hadron Collider (LHC). As part of this upgrade, the trigger is moving to a full 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.

Aaij, R., Adinolfi, M., Aiola, S., Akar, S., Albrecht, J., Alexander, M., et al. (2022). A Comparison of CPU and GPU Implementations for the LHCb Experiment Run 3 Trigger. COMPUTING AND SOFTWARE FOR BIG SCIENCE, 6(1) [10.1007/s41781-021-00070-2].

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

Petruzzo M.;
2022

Abstract

The Large Hadron Collider beauty (LHCb) experiment at CERN is undergoing an upgrade in preparation for the Run 3 data collection period at the Large Hadron Collider (LHC). As part of this upgrade, the trigger is moving to a full 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.
Articolo in rivista - Articolo scientifico
Heterogeneous; High-level trigger; High-throughput; Parallel computing; Real-time; Software;
English
22-dic-2021
2022
6
1
1
open
Aaij, R., Adinolfi, M., Aiola, S., Akar, S., Albrecht, J., Alexander, M., et al. (2022). A Comparison of CPU and GPU Implementations for the LHCb Experiment Run 3 Trigger. COMPUTING AND SOFTWARE FOR BIG SCIENCE, 6(1) [10.1007/s41781-021-00070-2].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/420765
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