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[WIP] Fix quantization for adapter v2 #314

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[WIP] Fix quantization for adapter v2 #314

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10 changes: 8 additions & 2 deletions lit_llama/adapter_v2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,14 @@ def adapter_v2_new_forward(self, input: Tensor) -> Tensor:


def adapter_v2_linear_with_bias_and_scale(layer):
layer.adapter_bias = torch.nn.Parameter(torch.zeros(layer.weight.shape[0]), requires_grad=True)
layer.adapter_scale = torch.nn.Parameter(torch.ones(layer.weight.shape[0]), requires_grad=True)
layer.adapter_bias = torch.nn.Parameter(
torch.zeros(layer.weight.shape[0], dtype=layer.weight.dtype),
requires_grad=False,
)
layer.adapter_scale = torch.nn.Parameter(
torch.ones(layer.weight.shape[0], dtype=layer.weight.dtype),
requires_grad=False,
)
bound_method = adapter_v2_new_forward.__get__(layer, layer.__class__)
setattr(layer, 'forward', bound_method)
return layer
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