Implement _dequantize for TorchAO quantizer#13538
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jiqing-feng wants to merge 3 commits intohuggingface:mainfrom
Open
Implement _dequantize for TorchAO quantizer#13538jiqing-feng wants to merge 3 commits intohuggingface:mainfrom
jiqing-feng wants to merge 3 commits intohuggingface:mainfrom
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- Add _dequantize() method in TorchAoHfQuantizer that dequantizes TorchAOBaseTensor weights back to standard nn.Parameter - Fix _verify_if_layer_quantized to check isinstance(weight, TorchAOBaseTensor) so dequantized layers are correctly detected as non-quantized
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What does this PR do?
Implements the
_dequantize()method forTorchAoHfQuantizer, enablingmodel.dequantize()to convert TorchAO-quantized models back to standard float weights.Changes
Add
_dequantize()method: Iterates allnn.Linearmodules, callsweight.dequantize()onTorchAOBaseTensorweights, replaces them with standardnn.Parameter, and resets any overriddenextra_repr.Fix
_verify_if_layer_quantized: Addedisinstance(module.weight, TorchAOBaseTensor)check so that dequantized layers (which are stillnn.Linearbut with plain tensor weights) are correctly detected as non-quantized.