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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

逆向设计的GPU加速

    • yd wang
      Subscriber

      大家好!我们正在follow这个例子https://optics.ansys.com/hc/en-us/articles/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE进行逆向设计优化。我们尝试在GPU(Nvidia 4090)上加速这个优化过程,但是我们发现这个即使选择了GPU(在脚本中设置set('express mode', true),并且在global resources上选择了GPU),整个优化过程还是很慢。想请问大家这是为什么?

    • Guilin Sun
      Ansys Employee

      论坛终于恢复正常了。

      很慢是感觉还是与CPU相比?你可以先比较一个文件分别用CPU和GPU的仿真速度。

      需要注意的是,无论用哪个,优选CPU线程或者GPU Streaming Multiprocessors个数是很重要的。一般建议先测试。

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