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Merged
merged 60 commits into from
Aug 15, 2025
Merged

Torch-Tensorrt Integration with LightningModule #20808

merged 60 commits into from
Aug 15, 2025

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GdoongMathew
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@GdoongMathew GdoongMathew commented May 10, 2025 •
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What does this PR do?

Fixes #11438

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📚 Documentation preview 📚: https://pytorch-lightning--20808.org.readthedocs.build/en/20808/

@github-actions github-actions bot added pl Generic label for PyTorch Lightning package dependencies Pull requests that update a dependency file labels May 10, 2025
@GdoongMathew GdoongMathew changed the title Torch-Tensorrt Integration with LightningModule WIP: Torch-Tensorrt Integration with LightningModule May 11, 2025
@GdoongMathew
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Hi @Borda , friendly ping for a code review~

btw, I'm wondering if anyone could help me with the unittests during the ci, since there's compatibility problem when testing with the oldest torch 2.1.2 and torch-tensorrt. I'd love to help with solving this problem if there's any suggestion.

@GdoongMathew GdoongMathew changed the title WIP: Torch-Tensorrt Integration with LightningModule Torch-Tensorrt Integration with LightningModule Jun 7, 2025
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I just saw that there's a utility script from https://raw.githubusercontent.com/Lightning-AI/utilities/main/scripts/adjust-torch-versions.py, which would figure out the mapping between torchvision, torchtext and torch, probably I could also add torch-tensorrt in the mapping as well ?

But I think extending the mapping only allow the lightning to install torch-tensorrt in most of the CICD jobs, but not necessarily solve the dependency missing issue in configuration python 3.12.7, torch 2.4.1.

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Somehow torch-tensorrt 2.4.0 for python 3.12 is only available in the pytorch index https://download.pytorch.org/whl/torch-tensorrt, but not in the PyPi.

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The failure in the GPU test is due to pytorch/TensorRT#3775

@github-actions github-actions bot added the ci Continuous Integration label Aug 13, 2025
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Hi @Borda , all jobs should be fixed now. I also changed a few things at c4d2263, please let me know if the change makes sense to you. Thanks ~

@GdoongMathew GdoongMathew requested a review from Borda August 14, 2025 10:39
@Borda Borda merged commit 39e24f5 into Lightning-AI:master Aug 15, 2025
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@GdoongMathew GdoongMathew deleted the feat/to_tensorrt branch August 15, 2025 14:48
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Integrate TorchTensorRt in order to increase speed during inference
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@GdoongMathew @Borda