NeMo2.0 llama3 perf scripts

[malay-nagda]

What does this PR do ?

llama3 pre-training recipes with performance optimizations

Collection: [llm]

Changelog

• Add specific line by line info of high level changes in this PR.

Usage

python3 scripts/llm/performance/llama3_8b.py -a <slurm_account> -p <slurm_partition> -i nvcr.io/nvidia/nemo:24.09

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Additional Information

• Related to # (issue)

[erhoo82]

Maybe should set tensorboard logger disabled by default and document how to enable it?
tensorboard logger causes performance overhead.

[github-actions]

[🤖]: Hi @malay-nagda 👋,

We wanted to let you know that a CICD pipeline for this PR just finished successfully

So it might be time to merge this PR or get some approvals

I'm just a bot so I'll leave it you what to do next.

//cc @pablo-garay @ko3n1g

[github-actions]

beep boop 🤖: 🙏 The following files have warnings. In case you are familiar with these, please try helping us to improve the code base.

---

Your code was analyzed with PyLint. The following annotations have been identified:

************* Module nemo.lightning.run.plugins
nemo/lightning/run/plugins.py:80:0: C0301: Line too long (145/119) (line-too-long)
nemo/lightning/run/plugins.py:91:0: C0301: Line too long (201/119) (line-too-long)
nemo/lightning/run/plugins.py:96:0: C0301: Line too long (200/119) (line-too-long)
nemo/lightning/run/plugins.py:97:0: C0301: Line too long (127/119) (line-too-long)
nemo/lightning/run/plugins.py:181:0: C0301: Line too long (174/119) (line-too-long)
nemo/lightning/run/plugins.py:257:0: C0301: Line too long (150/119) (line-too-long)
nemo/lightning/run/plugins.py:70:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/lightning/run/plugins.py:105:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/lightning/run/plugins.py:159:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/lightning/run/plugins.py:204:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/lightning/run/plugins.py:267:4: C0116: Missing function or method docstring (missing-function-docstring)

-----------------------------------
Your code has been rated at 9.19/10

---

Mitigation guide:

• Add sensible and useful docstrings to functions and methods
• For trivial methods like getter/setters, consider adding # pylint: disable=C0116 inside the function itself
• To disable multiple functions/methods at once, put a # pylint: disable=C0116 before the first and a # pylint: enable=C0116 after the last.

By applying these rules, we reduce the occurance of this message in future.

Thank you for improving NeMo's documentation!

[github-actions]

[🤖]: Hi @malay-nagda 👋,

We wanted to let you know that a CICD pipeline for this PR just finished successfully

So it might be time to merge this PR or get some approvals

I'm just a bot so I'll leave it you what to do next.

//cc @pablo-garay @ko3n1g