Optical Instruments, Volume. 47, Issue 1, 32(2025)

Heterogeneous acceleration absolute flatness testing

Yuhang LI1, Sen HAN1,2、*, Xueyuan LI2, Chunfeng XU1, and Chenxi GONG1,2
Author Affiliations
  • 1School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2Suzhou H & L Instruments LLC., Suzhou 215000, China
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    Figures & Tables(15)
    Comparison of CPU and GPU architectures with the same silicon area
    GPU kernel runtime method
    Heterogeneous accelerated computing flow
    Calculating 5 × 5 Zernike polynomials
    Performance comparison of heterogeneous linear solvers
    Heterogeneous computational approach for fitting face acceleration ratios
    Parallel peak/valley solving algorithm
    Performance of different algorithms for finding peak/valley value
    Example of the surface to be measured and the interferometer
    Picture of 1 024 × 1 024 resolution flatness
    Acceleration ratios for different steps with different resolution plane to be measured
    Standard deviation for different steps with different resolution plane to be measured
    • Table 1. Time used for different linear solvers

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      Table 1. Time used for different linear solvers

      方法耗时/ms
      512×5121 024×1 0242 048×2 0484 096×4 096
      常规方法12.448.5367.31 203.2
      异构传统直接法2.68.941.1221.7
    • Table 2. CPU and GPU parameters

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      Table 2. CPU and GPU parameters

      硬件频率/GHz最大频率/GHz1级缓存/MB2级缓存/MB核心数
      AMD Ryzen 5900H3.3 4.3 4 16 8
      RTX3070–Laptop1.2 1.6 0.12516 5120
    • Table 3. Average time used for Zernike's absolute flatness testing

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      Table 3. Average time used for Zernike's absolute flatness testing

      方法测量平均耗时/ms
      512×5121 024×1 0242 048×2 0484 096×4 096
      常规计算71027521041242567
      异构计算1549178602
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    Yuhang LI, Sen HAN, Xueyuan LI, Chunfeng XU, Chenxi GONG. Heterogeneous acceleration absolute flatness testing[J]. Optical Instruments, 2025, 47(1): 32

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    Paper Information

    Category:

    Received: Dec. 19, 2023

    Accepted: --

    Published Online: Apr. 1, 2025

    The Author Email: Sen HAN (senhanemail@126.com)

    DOI:10.3969/j.issn.1005-5630.202312190136

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