[https://nvbugs/5532789] [doc] Add documents about CUDA 12.9

[VALLIS-NERIA]

…A 12.9

Summary by CodeRabbit

• Documentation
  • Clarified CUDA compatibility for TensorRT LLM 1.1: supports CUDA 12.9 and 13.0.
  • Noted that prebuilt wheels are available for CUDA 12.9; CUDA 13.0 is provided via the NGC container.
  • Added guidance for building from source with CUDA 12.9, including which requirement lines to comment/uncomment.
  • Confirmed no changes to build commands or logic.

Description

Test Coverage

PR Checklist

Please review the following before submitting your PR:

• PR description clearly explains what and why. If using CodeRabbit's summary, please make sure it makes sense.

• PR Follows TRT-LLM CODING GUIDELINES to the best of your knowledge.

• Test cases are provided for new code paths (see test instructions)

• Any new dependencies have been scanned for license and vulnerabilities

• CODEOWNERS updated if ownership changes

• Documentation updated as needed

• The reviewers assigned automatically/manually are appropriate for the PR.

• Please check this after reviewing the above items as appropriate for this PR.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Adds CUDA compatibility notes for TensorRT LLM to Linux installation docs, detailing CUDA 12.9 vs 13.0 support and guidance. Updates are documentation-only with no build command or logic changes.

Changes

Cohort / File(s)	Summary
Docs: CUDA compatibility notes docs/source/installation/build-from-source-linux.md, docs/source/installation/linux.md	Insert notes clarifying TensorRT LLM 1.1 support for CUDA 12.9 and 13.0. Specify that wheels target CUDA 12.9, CUDA 13.0 is available via NGC container, and provide instruction to toggle requirement lines for CUDA 12.9 when building from source.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description Check	⚠️ Warning	The pull request description is largely unfilled and does not adhere to the repository’s template requirements: there is no title following the specified “[ticket][type] Summary” format, the Description and Test Coverage sections are empty placeholders, and the PR Checklist is left in default form with only one generic checkbox completed. As a result, the review cannot determine the rationale or scope of the changes and lacks information on how to validate or test them. This makes the description incomplete and off-topic relative to the expected structure.	Please update the PR by adding a proper title in the “[ticket][type] Summary” format, filling in the Description section with a clear explanation of the changes and their motivation, providing relevant Test Coverage details, and completing the PR Checklist with any applicable items.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The title includes the NVBugs ID, the correct [doc] type tag, and a concise summary of adding documentation about CUDA 12.9, which directly reflects the primary change in the pull request and follows the repository’s title format guidelines.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

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📥 Commits

Reviewing files that changed from the base of the PR and between 647080e and 05e4f06.

📒 Files selected for processing (2)

• docs/source/installation/build-from-source-linux.md (1 hunks)
• docs/source/installation/linux.md (1 hunks)

🧰 Additional context used

🧠 Learnings (3)

📚 Learning: 2025-08-21T00:16:56.457Z

Learnt from: farshadghodsian
PR: NVIDIA/TensorRT-LLM#7101
File: docs/source/blogs/tech_blog/blog9_Deploying_GPT_OSS_on_TRTLLM.md:36-36
Timestamp: 2025-08-21T00:16:56.457Z
Learning: TensorRT-LLM container release tags in documentation should only reference published NGC container images. The README badge version may be ahead of the actual published container versions.

Applied to files:

• docs/source/installation/linux.md

📚 Learning: 2025-08-01T15:14:45.673Z

Learnt from: yibinl-nvidia
PR: NVIDIA/TensorRT-LLM#6506
File: examples/models/core/mixtral/requirements.txt:3-3
Timestamp: 2025-08-01T15:14:45.673Z
Learning: In TensorRT-LLM, examples directory can have different dependency versions than the root requirements.txt file. Version conflicts between root and examples dependencies are acceptable because examples are designed to be standalone and self-contained.

Applied to files:

• docs/source/installation/build-from-source-linux.md

📚 Learning: 2025-08-27T14:23:55.566Z

Learnt from: ixlmar
PR: NVIDIA/TensorRT-LLM#7294
File: tensorrt_llm/_torch/modules/rms_norm.py:17-17
Timestamp: 2025-08-27T14:23:55.566Z
Learning: The TensorRT-LLM project requires Python 3.10+ as evidenced by the use of TypeAlias from typing module, match/case statements, and union type | syntax throughout the codebase, despite some documentation still mentioning Python 3.8+.

Applied to files:

• docs/source/installation/build-from-source-linux.md

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: Pre-commit Check

[nv-guomingz]

/bot skip --comments "doc only change"

[tensorrt-cicd]

PR_Github #21161 Bot args parsing error: usage: /bot skip --comment COMMENT
/bot skip: error: the following arguments are required: --comment

[VALLIS-NERIA]

/bot skip --comment "doc only change"

[tensorrt-cicd]

PR_Github #21166 [ skip ] triggered by Bot

[tensorrt-cicd]

PR_Github #21166 [ skip ] completed with state SUCCESS
Skipping testing for commit e83234b