def neftune_post_forward_hook(module, input, output):
    """
    Implements the NEFTune forward pass for the model using forward hooks. Note this works only for torch.nn.Embedding
    layers. This method is slightly adapted from the original source code that can be found here:
    https://github.com/neelsjain/NEFTune Simply add it to your model as follows:
    ```python
    model = ...
    model.embed_tokens.neftune_noise_alpha = 0.1
    model.embed_tokens.register_forward_hook(neftune_post_forward_hook)
    ```
    Args:
        module (`torch.nn.Module`):
            The embedding module where the hook is attached. Note that you need to set `module.neftune_noise_alpha` to
            the desired noise alpha value.
        input (`torch.Tensor`):
            The input tensor to the model.
        output (`torch.Tensor`):
            The output tensor of the model (i.e. the embeddings).
    """
    if module.training:
        dims = torch.tensor(output.size(1) * output.size(2))
        mag_norm = module.neftune_noise_alpha / torch.sqrt(dims)
        output = output + torch.zeros_like(output).uniform_(-mag_norm, mag_norm)
    return output

    Implements the NEFTune forward pass for the model using forward hooks. Note this works only for torch.nn.Embedding
    layers. This method is slightly adapted from the original source code that can be found here:
    https://github.com/neelsjain/NEFTune Simply add it to your model as follows:
    ```python
    model = ...
    model.embed_tokens.neftune_noise_alpha = 0.1
    model.embed_tokens.register_forward_hook(neftune_post_forward_hook)
    ```
    Args:
        module (`torch.nn.Module`):
            The embedding module where the hook is attached. Note that you need to set `module.neftune_noise_alpha` to
            the desired noise alpha value.
        input (`torch.Tensor`):
            The input tensor to the model.
        output (`torch.Tensor`):
            The output tensor of the model (i.e. the embeddings).
    
dpkd/transformers/src/transformers/trainer_utils.py