how to do this improve efficiency

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hello
      I  use   1000 cameras and  point_cloud of  160000 tie points  for  chunk.I want to get error(pixel) and I Using python scripts of forum,it take 90.00sec.
      I want to know how to do this improve efficiency.
      https://www.agisoft.com/forum/index.php?topic=8267.msg39568#msg39568
Thank you very much