Gpu-based optical photon simulation for the LHCb RICH 1 detector
Gpu-based optical photon simulation for the LHCb RICH 1 detector
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DOI：
10.1140/epjc/s10052-023-12158-7
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发表时间：
2023-07
期刊：
影响因子：
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通讯作者：
Yunlong Li;A. Davis;S. Easo;K. Evans;E. Gersabeck;M. Gersabeck;L. Girardey;R. Nandakumar;Annabelle Jane Pointer
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文献类型：
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作者：
Yunlong Li;A. Davis;S. Easo;K. Evans;E. Gersabeck;M. Gersabeck;L. Girardey;R. Nandakumar;Annabelle Jane Pointer
我们提出了使用 Opticks（一种 GPU 加速的光学光子接口与 LHCb 探测器模拟）来改进光学光子传播的计算时间的研究。混合工作流程结合了粒子模拟包 Geant4 和 Opticks，将光学光子传播卸载到 GPU，从而加速了整个模拟过程。使用简化的 LHCb RICH1 探测器几何结构验证了 Geant4 和 Opticks 模拟获得的结果的一致性，证明了该方法的可行性。此外，我们还在 HEP 模拟工作流程的背景下讨论了向 NVIDIAOptiX7 API 的持续过渡和 Opticks 代码的重构，并探讨了注意事项。
We present the investigation of the use ofOpticks, a GPU-accelerated optical photon interface with the LHCb detector simulation, to improve computation time of optical photon propagation. The hybrid workflow, combining the particle simulation packageGeant4andOpticks, offloads optical photon propagation to GPUs, thereby accelerating the overall simulation process. The consistency of the results obtained fromGeant4andOptickssimulations is verified with a simplified LHCb RICH1 detector geometry, demonstrating the feasibility of the proposed approach. In addition, the ongoing transition to the NVIDIAOptiX7 API and re-structuring ofOptickscode is discussed within the context of HEP simulation workflows, with caveats explored.