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Minor updates to ModelOpt and TensorRT-LLM workflows #12422

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@janekl janekl commented Feb 28, 2025

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What does this PR do ?

  • Adding import guards for ModelOpt use cases
  • Gradually deprecating use_mcore_path=False in TensorRTLLM.export(...)
  • Changing default (devices, num_nodes) = (calibration_tp, calibration_pp) in ptq.py script

Collection: [Note which collection this PR will affect]

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

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# Add a code snippet demonstrating how to use this 

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@janekl janekl enabled auto-merge (squash) February 28, 2025 16:45
@@ -35,6 +34,11 @@

from nemo.collections.common.tokenizers.tokenizer_spec import TokenizerSpec

# TODO: Remove modelopt import guarding once it is installable on all platforms
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Can we please remove the TODOs from the code and create issues to track it?

@@ -38,7 +39,9 @@
from nemo.lightning import Trainer
from nemo.lightning.megatron_parallel import MegatronParallel

try:
# TODO: Remove modelopt import guarding once it is installable on all platforms
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Let's remove the TODOs from here as well.

HAVE_MODELOPT = False
HAVE_MODELOPT_ERROR = e


SUPPORTED_DTYPE = [16, "16", "bf16"] # Default precision for non-quantized layers
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If it's an Enum, let's define it as an enum in the future. No updated needed right now. Adding it just for future references.

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github-actions bot commented Mar 1, 2025

[🤖]: Hi @janekl 👋,

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

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