[TRTLLM-8464][infra] remove WAR code for triton, simplified installation in CUDA 13 environment

[ZhanruiSunCh]

Summary by CodeRabbit

• Bug Fixes

  • Ensured CUDA 13 compatibility on x86_64 by switching dependency to pytorch-triton 3.3.1 (replacing public triton).

• Chores

  • Simplified Docker image build by removing post-install Triton adjustments, reducing build complexity and side effects.

• Tests

  • Removed CUDA 13-specific Triton workaround from CI tests for Python 3.12 (DLFW), aligning tests with the new dependency setup.

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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--test-backend "pytorch, cpp" (OPTIONAL) : Skip test stages which don't match the specified backends. Only support [pytorch, cpp, tensorrt, triton]. Examples: "pytorch, cpp" (does not run test stages with tensorrt or triton backend). Note: Does NOT update GitHub pipeline status.

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kill

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[ZhanruiSunCh]

/bot run --stage-list "Build-Docker-Images"

[coderabbitai]

📝 Walkthrough

Walkthrough

Removed Triton post-install/metadata manipulation from Dockerfile and Jenkins CI script. Switched dependency from triton to pytorch-triton for x86_64 in requirements. Overall, eliminates custom renaming/RECORD edits and CUDA 13 workaround, standardizing on pytorch-triton installation.

Changes

Cohort / File(s)	Summary
Docker image build cleanup docker/Dockerfile.multi	Deleted non-Red Hat conditional post-install block that rewrote Triton packaging (renaming pytorch_triton→triton, METADATA/RECORD edits, ldconfig/logging).
CI test pipeline simplification jenkins/L0_Test.groovy	Removed CUDA 13 workaround for PY312-DLFW path that installed nightly Triton and rewrote package metadata/files.
Dependency switch for x86_64 requirements.txt	Commented out triton==3.3.1; platform_machine == "x86_64" and added pytorch-triton==3.3.1; platform_machine == "x86_64" with note about CUDA 13 support.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description Check	⚠️ Warning	The pull request description consists only of the unmodified repository template and contains no actual title, description of changes, test coverage details, or checklist updates, so it does not follow the required structure or provide any context for reviewers to understand the purpose and impact of the changes.	Please replace the placeholder template with a proper PR title following the project convention, a concise description explaining what and why the changes were made, a list of relevant tests to ensure coverage, and update the PR checklist to reflect completed items and compliance with repository guidelines.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The PR title accurately follows the repository’s template and concisely summarizes the main change of removing Triton workaround code and simplifying the CUDA 13 installation environment. It clearly references the related JIRA ticket and type, and highlights the primary infrastructure adjustment without extraneous details.
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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[tensorrt-cicd]

PR_Github #20769 [ run ] triggered by Bot

[ZhanruiSunCh]

/bot run

[tensorrt-cicd]

PR_Github #20776 [ run ] triggered by Bot

[tensorrt-cicd]

PR_Github #20769 [ run ] completed with state ABORTED
LLM/main/L0_MergeRequest_PR #15697 (Blue Ocean) completed with status: ABORTED

[tensorrt-cicd]

PR_Github #20776 [ run ] completed with state FAILURE
/LLM/main/L0_MergeRequest_PR pipeline #15706 completed with status: 'FAILURE'

[ZhanruiSunCh]

/bot run

[ZhanruiSunCh]

/bot run

[tensorrt-cicd]

PR_Github #20847 [ run ] triggered by Bot

[tensorrt-cicd]

PR_Github #20849 [ run ] triggered by Bot

[tensorrt-cicd]

PR_Github #20847 [ run ] completed with state ABORTED
LLM/main/L0_MergeRequest_PR #15767 (Blue Ocean) completed with status: ABORTED

[tensorrt-cicd]

PR_Github #20849 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #15768 completed with status: 'FAILURE'