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[TRTLLMINF-474][infra] Upgrade NGC PyTorch base image to 26.09 - #19679

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EmmaQiaoCh merged 11 commits into
NVIDIA:mainfrom
EmmaQiaoCh:emma/upgrade_dlfw_2609
Oct 9, 2026
Merged

EmmaQiaoCh merged 11 commits into
NVIDIA:mainfrom
EmmaQiaoCh:emma/upgrade_dlfw_2609

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@EmmaQiaoCh

@EmmaQiaoCh EmmaQiaoCh commented Sep 29, 2026 •

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  • Bump the NGC PyTorch base image to 26.09-py3; the Triton base image stays on 26.08-py3 until its 26.09 release is published.
  • Bump the CUDA base image tags to 13.4.1.
  • Align cuDNN 9.26.0.51, NCCL 2.31.2 and cuBLAS 13.8.0.4 with 26.09.
  • Relax the nvidia-nccl-cu13 pin to >=2.30.7,<=2.31.2 so the NGC image keeps its own NCCL version while public torch 2.14.0 still resolves.

Dev Engineer Review

The PyTorch base image and Jenkins L0 test image now use 26.09-py3. The Triton base image remains at 26.08-py3. CUDA base tags move to 13.4.1, and the cuDNN, NCCL, and cuBLAS pins move to 9.26.0.51-1, 2.31.2-1+cuda13.4, and 13.8.0.4-1. The nvidia-nccl-cu13 requirement now allows versions from 2.30.7 through 2.31.2.

The Mooncake install script removes the CMake-generated mooncake package before wheel installation. Verify that the derived sys.path location is the intended package and that cleanup preserves the wheel-based client.

The test fixture change limits nested mempool tests to systems where locality-domain functionality is enabled, not only supported. CI reports failed pipelines for several commits, including runs where helper jobs succeeded. Failure details are not supplied. Advisory reviews reported PASS for inspected paths, but did not run builds or tests or verify external image and package availability.

QA Engineer Review

tests/unittest/_torch/thop/parallel/test_locality_domain_utils.py was modified. A module-scoped check_locality_domain_enabled fixture skips tests unless locality-domain functionality is enabled. Four nested-mempool tests now use this fixture; they cover nested domain scopes and mempool behavior. This unit test file does not apply to the integration test-db/ or manual qa/ lists. No test execution result is available. Coverage verdict: needs follow-up.

Per-File QA Perspective

  • docker/Dockerfile.multi: Verify that the default PyTorch image resolves to 26.09-py3 and the Triton image remains at 26.08-py3.
  • docker/Makefile: Verify that the four Rocky Linux 8 and Ubuntu 22/24 build targets use CUDA base image tag 13.4.1.
  • docker/common/install_cuda_libs.sh: Verify installation of cuDNN 9.26.0.51-1, NCCL 2.31.2-1+cuda13.4, and cuBLAS 13.8.0.4-1.
  • docker/common/install_mooncake.sh: Verify that cleanup targets only the CMake-generated package and that the wheel-based client imports and operates correctly.
  • docker/common/install_pytorch.sh: The release-notes comment now points to release 26-09. No runtime behavior change is indicated.
  • jenkins/L0_Test.groovy: Verify that the L0 test job selects the 26.09-py3 PyTorch image.
  • jenkins/current_image_tags.properties: Verify that CI resolves the refreshed image references to the intended staged images.
  • requirements.txt: Verify dependency resolution with NCCL versions in the >=2.30.7,<=2.31.2 range. The Triton pin remains unchanged.
  • tests/unittest/_torch/thop/parallel/test_locality_domain_utils.py: The new enabled-state fixture skips locality-domain tests when the feature is unavailable. Verify the four nested-mempool tests on enabled hardware and confirm expected skips when the feature is only supported, but disabled.

Description

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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)

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  • CODEOWNERS updated if ownership changes

  • Documentation updated as needed

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

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Walkthrough

Docker targets and package references use updated CUDA and PyTorch versions. Jenkins image tags use a new build identifier. The Mooncake installation script removes a generated package directory, and four locality-domain tests now require the feature to be enabled.

Changes

Runtime version updates

Layer / File(s) Summary
CUDA image tags and library pins
docker/Makefile, docker/common/install_cuda_libs.sh
Four Docker build targets use CUDA 13.4.1 tags. The cuDNN, NCCL, and cuBLAS package versions are updated.
PyTorch release and dependency references
docker/Dockerfile.multi, docker/common/install_pytorch.sh, jenkins/L0_Test.groovy, requirements.txt, jenkins/current_image_tags.properties
The default and test PyTorch images move to release 26-09. PyTorch and Triton release-note references are updated. The NCCL requirement allows versions from 2.30.7 through 2.31.2. All five Jenkins image tags use a new build identifier.

Mooncake package cleanup

Layer / File(s) Summary
Locate and remove generated package
docker/common/install_mooncake.sh
The script derives a Mooncake package path from the first Python sys.path entry containing packages, logs the path, and recursively removes it.

Locality-domain test gating

Layer / File(s) Summary
Require enabled locality-domain functionality
tests/unittest/_torch/thop/parallel/test_locality_domain_utils.py
A new fixture skips tests when locality-domain functionality is not enabled. Four nested-mempool tests now use this fixture instead of checking driver support alone.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~12 minutes

Change: Other

Suggested reviewers: schetlur-nv

Merge Risk: 🔵 Low · up to 0ac10

The changed release-notes links are currently unavailable, so developers cannot reach the referenced documentation. This is a bounded documentation issue; no other actionable merge risk was established.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Description check Warning The description includes a useful change summary and a completed checklist. However, the required Description and Test Coverage sections contain only template comments, so the issue, solution, and val… Add content under Description that explains the issue and solution. Add content under Test Coverage that lists the relevant tests, image builds, or CI jobs run and their outcomes.
✅ Passed checks (4 passed)
Check name Status Explanation
Docstring Coverage Passed Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 4 files.
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Title check Passed The title clearly identifies the infrastructure change: upgrading the NGC PyTorch base image to 26.09. It uses a valid ticket and type format and remains concise.

Full details: Description check

Explanation

The description includes a useful change summary and a completed checklist. However, the required Description and Test Coverage sections contain only template comments, so the issue, solution, and validation details are incomplete.



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Inline comments:
Review comments at @docker/common/install_pytorch.sh:
- Line 15: Update both PyTorch release-notes URL references from version 26.09
to the published 26.08 page, including the reference beside the install script’s
release-notes comment and the matching dependency reference.

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Comment thread docker/common/install_pytorch.sh Resolved
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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @jenkins/current_image_tags.properties:
- Around line 16-17: Update LLM_DOCKER_IMAGE and LLM_SBSA_DOCKER_IMAGE to use
the 26.09-py3 PyTorch artifacts, preserving their architecture-specific suffixes
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Comment thread jenkins/current_image_tags.properties Resolved
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PR_Github #75607 [ run ] completed with state FAILURE. Commit: 40c82c4
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PR_Github #75661 [ run ] triggered by Bot. Commit: dcafd15 Link to invocation

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Automatically added "ci: full pre-merge approved" because this PR has satisfied the required GitHub review approvals. Unresolved review conversations and other required checks remain independent merge requirements.

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PR_Github #75661 [ run ] completed with state SUCCESS. Commit: dcafd15
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/bot run --stage-list "Build-Docker-Images"

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PR_Github #75803 [ run ] triggered by Bot. Commit: bbec16d Link to invocation

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PR_Github #75803 [ run ] completed with state FAILURE. Commit: bbec16d
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/bot run --disable-fail-fast

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PR_Github #76636 [ run ] triggered by Bot. Commit: abef662 Link to invocation

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PR_Github #76636 [ run ] completed with state SUCCESS. Commit: abef662
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Signed-off-by: Emma Qiao <qqiao@nvidia.com>
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/bot run --disable-fail-fast

Co-authored-by: Eric Work <work.eric@gmail.com>
Signed-off-by: Emma Qiao <qqiao@nvidia.com>
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/bot run --disable-fail-fast

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PR_Github #76690 [ run ] triggered by Bot. Commit: 800d65d Link to invocation

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PR_Github #76692 [ run ] triggered by Bot. Commit: 800d65d Link to invocation

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PR_Github #76690 [ run ] completed with state ABORTED. Commit: 800d65d

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PR_Github #76692 [ run ] completed with state ABORTED. Commit: 800d65d
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/bot run --disable-fail-fast

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PR_Github #76846 [ run ] triggered by Bot. Commit: 800d65d Link to invocation

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PR_Github #76846 [ run ] completed with state FAILURE. Commit: 800d65d
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PR_Github #76900 [ run ] completed with state SUCCESS. Commit: 800d65d
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EmmaQiaoCh merged commit b5a0afd into NVIDIA:main Oct 9, 2026
EmmaQiaoCh added a commit that referenced this pull request Oct 14, 2026
… (#20146)

Signed-off-by: EmmaQiaoCh <qqiao@nvidia.com>
Signed-off-by: Emma Qiao <qqiao@nvidia.com>
Co-authored-by: Eric Work <work.eric@gmail.com>
chenfeiz0326 added a commit to chenfeiz0326/TensorRT-LLM that referenced this pull request Oct 14, 2026
…er on the 26.09 image

The NGC PyTorch 26.09 base ships CUDA forward-compatibility driver 615.71.09
(26.08 shipped 615.65.02). Under it the unchanged trtllm-gen context FMHA cubin
runs 7-13% slower per call on GB200, which costs
aggr-ctx_only-gb200_deepseek-r1-fp4_128k8k_con1_ctx1_pp8_gen1_tep8_eplb0_mtp3_ccb-NIXL
~6% Total Token Throughput since NVIDIA#19679.

Add a CUDA_COMPAT_TAG build arg (default 26.08-py3) and replace the base
image's /usr/local/cuda-13.4/compat driver libraries with that tag's during the
devel stage. The CUDA toolkit is untouched, and the base image's shell init still
validates and selects the compat driver at container start. Targets built on
nvcr.io/nvidia/cuda keep their own compat driver.

Signed-off-by: chenfeiz0326 <203214996+chenfeiz0326@users.noreply.github.com>
chenfeiz0326 added a commit to chenfeiz0326/TensorRT-LLM that referenced this pull request Oct 15, 2026
…er on the 26.09 image

The NGC PyTorch 26.09 base ships CUDA forward-compatibility driver 615.71.09
(26.08 shipped 615.65.02). Under it the unchanged trtllm-gen context FMHA cubin
runs 7-13% slower per call on GB200, which costs
aggr-ctx_only-gb200_deepseek-r1-fp4_128k8k_con1_ctx1_pp8_gen1_tep8_eplb0_mtp3_ccb-NIXL
~6% Total Token Throughput since NVIDIA#19679.

Add a CUDA_COMPAT_TAG build arg (default 26.08-py3) and replace the base
image's /usr/local/cuda-13.4/compat driver libraries with that tag's during the
devel stage. The CUDA toolkit is untouched, and the base image's shell init still
validates and selects the compat driver at container start. Targets built on
nvcr.io/nvidia/cuda keep their own compat driver.

Signed-off-by: chenfeiz0326 <203214996+chenfeiz0326@users.noreply.github.com>
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