Reproducibility in multi-process data loading

[UnglvKitDe]

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• [X] I have searched the YOLOv5 issues and found no similar feature requests.

Description

In the official documentation it is recommended to set the rseed for the worker to ensure reproducibility even for multi-process dataloaders.

Use case

No response

Additional

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Are you willing to submit a PR?

• [X] Yes I'd like to help by submitting a PR!

[glenn-jocher]

@UnglvKitDe I'm seeing fully reproducible results now with master and torch>=1.12.0. Is this not the case for you?