build(deps): bump torch & torchvision from 2.8.0 to 2.9.0 in /requirements with compatibility fixes

[dependabot]

Bumps torch from 2.8.0 to 2.9.0.

Release notes

Sourced from torch's releases.

2.9 Release Notes

PyTorch 2.9.0 Release Notes

• Highlights
• Backwards Incompatible Changes
• Deprecations
• New Features
• Improvements
• Bug fixes
• Performance
• Documentation
• Developers
• Security

Highlights

For more details about these highlighted features, you can look at the release blogpost. Below are the full release notes for this release.

Backwards Incompatible Changes

... (truncated)

Commits

• 0fabc3b CUDA aarch64 12.6 and 12.8 builds fix triton constraints (#165022)
• 26e023a [MPS] Update OS version in error message (#164949)
• 6f12be2 CUDA 13.0 builds fix on Amazon Linux 2023 (#164893)
• 42f0c2c update the baseline data for the operator benchmark (#164789)
• b015422 fix cpp extension distributed warning spew (#164785)
• d4c4307 Fix docker build issue after 164575 (#164779)
• 3b57315 [ROCm] Increase binary build timeout to 5 hours (300 minutes) (#164770)
• c74f057 Pin conda version for Docker builds (#164579)
• fd36458 [Cherry-Pick] Work Around exposing statically linked libstdc++ CXX11 ABI stro...
• 2f6387e [CherrryPick][2.9] Cherry pick request for `Reapply "Make functionalization V...
• Additional commits viewable in compare view

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📚 Documentation preview 📚: https://pytorch-lightning--21300.org.readthedocs.build/en/21300/

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Automatic rebases have been disabled on this pull request as it has been open for over 30 days.

.

[github-actions]

⚡ Required checks status: All passing 🟢

Groups summary

🟢 pytorch_lightning: Tests workflow

Check ID	Status
pl-cpu-guardian	success	✅

These checks are required after the changes to requirements/fabric/base.txt, src/lightning/fabric/utilities/spike.py, requirements/pytorch/base.txt, src/lightning/pytorch/utilities/imports.py, tests/tests_pytorch/conftest.py, tests/tests_pytorch/helpers/runif.py, tests/tests_pytorch/models/test_torch_tensorrt.py, tests/tests_pytorch/trainer/test_trainer.py.

🟢 pytorch_lightning: lit GPU

Check ID	Status
pytorch.yml / Lit Job (nvidia/cuda:12.1.1-devel-ubuntu22.04, pytorch, 3.10)	success	✅
pytorch.yml / Lit Job (lightning, 3.12)	success	✅
pytorch.yml / Lit Job (pytorch, 3.12)	success	✅

These checks are required after the changes to .lightning/workflows/pytorch.yml, requirements/pytorch/base.txt, src/lightning/pytorch/utilities/imports.py, tests/tests_pytorch/conftest.py, tests/tests_pytorch/helpers/runif.py, tests/tests_pytorch/models/test_torch_tensorrt.py, tests/tests_pytorch/trainer/test_trainer.py, requirements/fabric/base.txt, src/lightning/fabric/utilities/spike.py.

🟢 Benchmarks

Check ID	Status
benchmark.yml / Lit Job (fabric)	success	✅
benchmark.yml / Lit Job (pytorch)	success	✅

These checks are required after the changes to requirements/fabric/base.txt, requirements/pytorch/base.txt, src/lightning/fabric/utilities/spike.py, src/lightning/pytorch/utilities/imports.py.

🟢 fabric: Docs

Check ID	Status
docs-make (fabric, doctest)	success	✅
docs-make (fabric, html)	success	✅

These checks are required after the changes to src/lightning/fabric/utilities/spike.py, requirements/fabric/base.txt.

🟢 pytorch_lightning: Docs

Check ID	Status
docs-make (pytorch, doctest)	success	✅
docs-make (pytorch, html)	success	✅

These checks are required after the changes to src/lightning/pytorch/utilities/imports.py, requirements/pytorch/base.txt.

🟢 lightning_fabric: CPU workflow

Check ID	Status
fabric-cpu-guardian	success	✅

These checks are required after the changes to requirements/fabric/base.txt, src/lightning/fabric/utilities/spike.py, tests/tests_fabric/conftest.py.

🟢 lightning_fabric: lit GPU

Check ID	Status
fabric.yml / Lit Job (nvidia/cuda:12.1.1-devel-ubuntu22.04, fabric, 3.10)	success	✅
fabric.yml / Lit Job (fabric, 3.12)	success	✅
fabric.yml / Lit Job (lightning, 3.12)	success	✅

These checks are required after the changes to requirements/fabric/base.txt, src/lightning/fabric/utilities/spike.py, tests/tests_fabric/conftest.py.

🟢 mypy

Check ID	Status
mypy	success	✅

These checks are required after the changes to requirements/fabric/base.txt, requirements/pytorch/base.txt, requirements/typing.txt, src/lightning/fabric/utilities/spike.py, src/lightning/pytorch/utilities/imports.py.

🟢 install

Check ID	Status
install-pkg-guardian	success	✅

These checks are required after the changes to src/lightning/fabric/utilities/spike.py, src/lightning/pytorch/utilities/imports.py, requirements/fabric/base.txt, requirements/pytorch/base.txt, requirements/typing.txt.

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Thank you for your contribution! 💜

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[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 87%. Comparing base (fc39230) to head (edad38c).
⚠️ Report is 82 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #21300   +/-   ##
=======================================
- Coverage      87%      87%   -0%     
=======================================
  Files         269      269           
  Lines       23809    23810    +1     
=======================================
- Hits        20625    20623    -2     
- Misses       3184     3187    +3     

[dependabot]

A newer version of torch exists, but since this PR has been edited by someone other than Dependabot I haven't updated it. You'll get a PR for the updated version as normal once this PR is merged.

[Copilot]

Pull request overview

This PR bumps PyTorch from version 2.8.0 to 2.9.0 and updates the codebase to maintain compatibility with the new version.

Key changes include:

• Updated PyTorch version constraints from <2.9.0 to <2.10.0 in base requirements
• Refactored version checks from _TORCH_EQUAL_2_8 to _TORCH_GREATER_EQUAL_2_8 for broader compatibility
• Added workarounds for PyTorch 2.9-specific issues including TorchScript IR crashes with torch_tensorrt

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
requirements/pytorch/base.txt	Updated torch upper bound from <2.9.0 to <2.10.0
requirements/fabric/base.txt	Updated torch upper bound from <2.9.0 to <2.10.0
requirements/typing.txt	Updated pinned torch version from 2.8.0 to 2.9.0
src/lightning/pytorch/utilities/imports.py	Added _TORCH_GREATER_EQUAL_2_8 version check constant
tests/tests_pytorch/trainer/test_trainer.py	Replaced _TORCH_EQUAL_2_8 with _TORCH_GREATER_EQUAL_2_8 for xfail condition
tests/tests_pytorch/helpers/runif.py	Replaced version-specific checks with _TORCH_GREATER_EQUAL_2_8 for Windows gloo xfail
tests/tests_pytorch/models/test_torch_tensorrt.py	Added skipif markers for TorchScript IR due to crashes in PyTorch 2.9
tests/tests_pytorch/conftest.py	Added "InductorSubproc" thread to allowed list for torch.compile compatibility
tests/tests_fabric/conftest.py	Added "InductorSubproc" thread to allowed list for torch.compile compatibility
src/lightning/fabric/utilities/spike.py	Added type ignore comments for mypy compatibility with PyTorch 2.9
.lightning/workflows/pytorch.yml	Added find-links arguments to pip install for CUDA-specific PyTorch packages

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