Questions on sync bn implementation
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Description
For https://github.com/NVIDIA/apex/blob/master/apex/parallel/sync_batchnorm.py#L85:
if not self.training and self.track_running_stats:
Should it be if not (self.training and self.track_running_stats) ?
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Research direction
Start in apex/parallel/sync_batchnorm.py at line 85 and read the surrounding training and running-statistics logic. Compare the condition's behavior in training and evaluation modes, then check whether existing tests cover sync batch normalization; done means confirming the intended condition and adding or updating a regression test if needed.
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Assessment
- Tech stack
- python, pytorch
- Domain
- distributed-systems, machine-learning
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100