[cosmoflow] [logging] Weight decay and l2 regularization differs by a factor of 2
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Description
Weight decay and l2 regularization differs by a factor of 2. (Refs)
I think the value of Weight Decay output in the following line should be "l2 * 2".
Refs
-
Boris's blog, "weight decay vs L2 regularization"
https://bbabenko.github.io/weight-decay/ -
Keras/issues/2717 "Is it the same adding weight decay to all the layers (including input and output layer) than adding the weight decay term to the cost function? #2717"
https://github.com/keras-team/keras/issues/2717#issuecomment-522033163
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First steps
- Read the whole issue, then the project's contributing guide.
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Research direction
Start at cosmoflow/models/cosmoflow.py#L52 and read how the weight decay and L2 values are defined and reported. Review the linked weight-decay references to establish the convention being used, then verify the corrected value against the surrounding implementation. Done means the reported relationship is consistent with that convention.
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Assessment
- Tech stack
- python
- Domain
- machine-learning
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100