Pretty-print tokens in llm_attr methods
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Summary: Some attributions returned by gradient-based methods still have a `grad_fn` from autograd (e.g. `LayerGradientXActivation`). This diff ensures that the autograd graph is freed between attribute calls within `LLMGradientAttribution` to eliminate this as a potential source of VRAM accumulation. Also wrapped `model.generate` with a `no_grad` context to avoid unecessary memory usage. Differential Revision: D62671994
Summary: Convert ids to tokens without ugly unicode characters (e.g., Ġ). See: huggingface/transformers#4786 and https://discuss.huggingface.co/t/bpe-tokenizers-and-spaces-before-words/475/2 This is the preferred function over tokenizer.convert_ids_to_tokens() for user-facing data. Quote from links: > Spaces are converted in a special character (the Ġ) in the tokenizer prior to > BPE splitting mostly to avoid digesting spaces since the standard BPE algorithm > used spaces in its process Differential Revision: D62672912
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This pull request was exported from Phabricator. Differential Revision: D62672912 |
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This pull request has been merged in 6636f4d. |
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Summary:
Convert ids to tokens without ugly unicode characters (e.g., Ġ). See:
huggingface/transformers#4786 and
https://discuss.huggingface.co/t/bpe-tokenizers-and-spaces-before-words/475/2
This is the preferred function over tokenizer.convert_ids_to_tokens() for user-facing data.
Quote from links:
> Spaces are converted in a special character (the Ġ) in the tokenizer prior to
> BPE splitting mostly to avoid digesting spaces since the standard BPE algorithm
> used spaces in its process
Differential Revision: D62672912