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Photonics – Chinese

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  3. FDTD 无法调用GPU跑仿真

FDTD 无法调用GPU跑仿真

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    • December 22, 2023 at 11:23 am
      Qiangbo Zhang
      Subscriber

      尝试用GPU跑FDTD仿真，要求都按照FDTD GPU Solver Information – Ansys Optics的说明执行的，显卡是4090。express mode和GPU 0 都设置好了，边界条件也都是PML。按run之后，一开始的meshing是可以的，但是meshing的时间挺长的，但是之后就job error了。

      请问这是为什么失败了呢，有什么解决办法呢

       

       

    • December 22, 2023 at 11:40 am
      Qiangbo Zhang
      Subscriber

      解决了。是因为文件路径不能有中文，改成全英文的就可以运行了

      • January 25, 2024 at 8:15 am
        JYUSST PENG
        Subscriber

        请问，gpu跑仿真快吗？有没有和cpu对比过？如果快很多，我也想试试GPU

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