Llama3 Conversion Script Update

[suiyoubi]

What does this PR do ?

Support Llama3 Hf <-> NeMo conversion

Collection: NLP/Llama

Usage

python scripts/checkpoint_converters/convert_llama_hf_to_nemo.py --input_name_or_path PATH_TO_HF_FOLDER --output_path converted_llama3_nemo.nemo

python scripts/checkpoint_converters/convert_llama_nemo_to_hf.py --input_name_or_path llama3.nemo --output_path converted_llama3_hf.bin

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Additional Information

• Related to # (issue)

[ericharper]

Merging since only test failure is 1 known problematic test.