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Hi Everyone! I'Ve Had A Problem. But When I Was Describing It Here It Was Solved. Maybe It Will Help Someone. I Use Pytorch And Training Accidentally Freezes After Weights Uploading By Trains. Don'T Know Exactly What'S Wrong, But It Was Somehow Connected

Hi everyone!
I've had a problem. But when I was describing it here it was solved.

Maybe it will help someone. I use pytorch and training accidentally freezes after weights uploading by trains. Don't know exactly what's wrong, but it was somehow connected with multithreding in pytorch dataloaders and cv2. These magic lines have solved the problem
if  dataloader.num_workers  >  0:
cv2.setNumThreads(0)

  
  
Posted 3 years ago
Votes Newest

Answers 7


Hi PungentLouse55 ,
I think can see how these magic lines solved it, and I think you are onto something.
Any chance what happened is multiple workers were trying to simultaneously save/load the same Model ?

  
  
Posted 3 years ago

I don't know. It looked like an ordinary weights uploading. Here's the screenshot

  
  
Posted 3 years ago

Unfortunately I still have the same issue 😢

Here is the stack on manually interupting (wights were uploaded on 14:16 and I interrupted on 14:30)

  
  
Posted 3 years ago

It doesn't not seem to be related to the upload. The upload itself finished... What's your Trains version?

  
  
Posted 3 years ago

PungentLouse55 hmmm
Do you have an idea on how we could quickly reproduce it?

  
  
Posted 3 years ago

0.15.1

  
  
Posted 3 years ago

PungentLouse55 could you test with 0.15.2rc0 see if there is any difference ?

  
  
Posted 3 years ago
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