[Transforms] Support loading transforms in transformers #528
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Purpose
Changes
_update_transforms_tied_weights, which updates the_tied_weights_keysattribute of the model. This attribute is read byPreTrainedModel.tie_weightsand ensures that transform weights are correctly tied during loadingPostrequisites
Testing
Loaded and verified the perplexity of
nm-testing/Llama-3.2-1B-Instruct-quip-w4a16