How to find default version of encoder in different timm versions - i.e. timm.create_model('resnet50',pretrained=True) in timm 0.4 vs. 0.6

[K-D-Gallagher]

I updated timm from version 0.4.12 to 0.6.13 and noticed a pretty big performance difference when fine-tuning "resnet50" with imagenet weights (timm.create_model('resnet50',pretrained=True)) on a downstream task. How can I track down the exact model version and source of the weights for resnet50 between these different version of timm? I'd like to figure out the equivalent "resnet50" I got from version 0.4.12 in version 0.6.13. And I'm realizing I need to be more specific when using timm.create_model. Thanks!

[rwightman]

@K-D-Gallagher the only way is to look at the code history and see what specific URL was used for the weights at that version. In 0.9.x, they are all there with different 'tags', but up until that point the 'best' current weights would usually replace the previous one.