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generate_surface_reconstruction_screened_poisson very slow on Linux compared with Windows #408

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giulioaugello opened this issue Dec 6, 2024 · 1 comment

giulioaugello commented Dec 6, 2024

I'm using the same point cloud on windows and on linux and "generate_surface_reconstruction_screened_poisson" is very very slow on Linux.

Tested on the same computer.

Execution time Windows: 8 seconds
Execution time Linux: 570 seconds

Author

giulioaugello commented Dec 6, 2024

Found the bug in pymeshlab. The problem is the number of thread passed as parameter of generate_surface_reconstruction_screened_poisson function.

Cores usage plot:

Using 32 thread the execution time is 570 seconds:

Using 33 thread the execution time is 8 seconds:

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