An NLO-Matched Initial and Final State Parton Shower on a GPU
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917507126788096 |
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| author | Seymour, Michael H. Sule, Siddharth |
| author_facet | Seymour, Michael H. Sule, Siddharth |
| contents | Recent developments have demonstrated the potential for high simulation speeds and reduced energy consumption by porting Monte Carlo Event Generators to GPUs. We release version 2 of the CUDA C++ parton shower event generator GAPS, which can simulate initial and final state emissions on a GPU and is capable of hard-process matching. As before, we accompany the generator with a near-identical C++ generator to run simulations on single-core and multi-core CPUs. Using these programs, we simulate NLO Z production at the LHC and demonstrate that the speed and energy consumption of an NVIDIA V100 GPU are on par with a 96-core cluster composed of two Intel Xeon Gold 5220R Processors, providing a potential alternative to cluster computing. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2511_19633 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An NLO-Matched Initial and Final State Parton Shower on a GPU Seymour, Michael H. Sule, Siddharth High Energy Physics - Phenomenology Recent developments have demonstrated the potential for high simulation speeds and reduced energy consumption by porting Monte Carlo Event Generators to GPUs. We release version 2 of the CUDA C++ parton shower event generator GAPS, which can simulate initial and final state emissions on a GPU and is capable of hard-process matching. As before, we accompany the generator with a near-identical C++ generator to run simulations on single-core and multi-core CPUs. Using these programs, we simulate NLO Z production at the LHC and demonstrate that the speed and energy consumption of an NVIDIA V100 GPU are on par with a 96-core cluster composed of two Intel Xeon Gold 5220R Processors, providing a potential alternative to cluster computing. |
| title | An NLO-Matched Initial and Final State Parton Shower on a GPU |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2511.19633 |