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Progress bar stopping with parallel #78

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AlexandreDiPiazza opened this issue Jan 29, 2023 · 7 comments
Open

Progress bar stopping with parallel #78

AlexandreDiPiazza opened this issue Jan 29, 2023 · 7 comments
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@AlexandreDiPiazza
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Hello,
I have multiple cores, but when choosing parallel = 4 or parallel = 4 to compute the skeletons, the progress bar stopped at some point. It only goes to the end when using parallel = 1.

@william-silversmith william-silversmith added the bug Something isn't working label Jan 29, 2023
@william-silversmith
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william-silversmith commented Jan 29, 2023

Hi Alexandre,

If you can do me a favor, I've pushed a branch wms_spawn_mp which switches the default process spawning method from fork to "spawn". Give that a try and let me know if that fixes things. Sometimes "fork" can deadlock on shared resources.

Can you also let me know your OS and Python version?

Will

@AlexandreDiPiazza
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Hi,
Thank you for your answer and you help.
It seems to have worked on some trials, but now running on the full dataset it still stops at some points.

I am on Ubuntu and python 3.8

@AlexandreDiPiazza
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Update:

I did work on some trials. Sometimes it still stops, but sometimes it does go until the end.

@william-silversmith
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william-silversmith commented Feb 2, 2023 via email

@AlexandreDiPiazza
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Hi,

Don't worry, thank you for your help. It worked some times and it was enough to provide me the results I wanted. Thanks for your work!

@william-silversmith
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william-silversmith commented Feb 2, 2023 via email

@xiuliren
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I got the same issue with a 2D image segmentation even with parallel=1.

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