High-Performance Implementation of the Optimized Event Generator for Strong-Field QED Plasma Simulations
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arXiv
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| Auteurs principaux: | , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866912306163613696 |
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| author | Panova, Elena Volokitin, Valentin Bashinov, Aleksei Muraviev, Alexander Efimenko, Evgeny Meyerov, Iosif |
| author_facet | Panova, Elena Volokitin, Valentin Bashinov, Aleksei Muraviev, Alexander Efimenko, Evgeny Meyerov, Iosif |
| contents | Numerical simulation of strong-field quantum electrodynamics (SFQED) processes is an essential step towards current and future high-intensity laser experiments. The complexity of SFQED phenomena and their stochastic nature make them extremely computationally challenging, requiring the use of supercomputers for realistic simulations. Recently, we have presented a novel approach to numerical simulation of SFQED processes based on an accurate approximation of precomputed rates, which minimizes the number of rate calculations per QED event. The current paper is focused on the high-performance implementation of this method, including vectorization of resource-intensive kernels and improvement of parallel computing efficiency. Using two codes, PICADOR and hi-$χ$ (the latter being free and publicly available), we demonstrate significant reduction in computation time due to these improvements. We hope that the proposed approach can be applied in other codes for the numerical simulation of SFQED processes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_17299 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | High-Performance Implementation of the Optimized Event Generator for Strong-Field QED Plasma Simulations Panova, Elena Volokitin, Valentin Bashinov, Aleksei Muraviev, Alexander Efimenko, Evgeny Meyerov, Iosif Computational Physics Distributed, Parallel, and Cluster Computing Numerical simulation of strong-field quantum electrodynamics (SFQED) processes is an essential step towards current and future high-intensity laser experiments. The complexity of SFQED phenomena and their stochastic nature make them extremely computationally challenging, requiring the use of supercomputers for realistic simulations. Recently, we have presented a novel approach to numerical simulation of SFQED processes based on an accurate approximation of precomputed rates, which minimizes the number of rate calculations per QED event. The current paper is focused on the high-performance implementation of this method, including vectorization of resource-intensive kernels and improvement of parallel computing efficiency. Using two codes, PICADOR and hi-$χ$ (the latter being free and publicly available), we demonstrate significant reduction in computation time due to these improvements. We hope that the proposed approach can be applied in other codes for the numerical simulation of SFQED processes. |
| title | High-Performance Implementation of the Optimized Event Generator for Strong-Field QED Plasma Simulations |
| topic | Computational Physics Distributed, Parallel, and Cluster Computing |
| url | https://arxiv.org/abs/2409.17299 |