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[TRTLLM-9622][infra] Enable DGX_B300 multi-gpu testing in pre-merge pipeline#9699

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yiqingy0 merged 3 commits intoNVIDIA:mainfrom
yiqingy0:enable_b300_multi_gpu_test
Jan 6, 2026
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[TRTLLM-9622][infra] Enable DGX_B300 multi-gpu testing in pre-merge pipeline#9699
yiqingy0 merged 3 commits intoNVIDIA:mainfrom
yiqingy0:enable_b300_multi_gpu_test

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@yiqingy0 yiqingy0 commented Dec 4, 2025

Summary by CodeRabbit

Release Notes

  • Tests

    • Expanded test coverage for PyTorch on B300 hardware configurations, including both standard and Slurm-based test matrices to enhance validation across additional GPU partitions.
  • Chores

    • Updated test configuration files to increase pre-merge testing scope for improved quality assurance.

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yiqingy0 commented Dec 5, 2025

/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1,DGX_B200-4_GPUs-PyTorch-1" --disable-fail-fast

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PR_Github #27063 [ run ] triggered by Bot. Commit: 5f48d84

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PR_Github #27063 [ run ] completed with state SUCCESS. Commit: 5f48d84
/LLM/main/L0_MergeRequest_PR pipeline #20638 (Partly Tested) completed with status: 'FAILURE'

@yiqingy0 yiqingy0 force-pushed the enable_b300_multi_gpu_test branch from 5f48d84 to eb22866 Compare December 9, 2025 08:11
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yiqingy0 commented Dec 9, 2025

/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1" --disable-fail-fast

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PR_Github #27471 [ run ] triggered by Bot. Commit: eb22866

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PR_Github #27471 [ run ] completed with state DISABLED
L0 testing is limited to prioritized users. User yiqingy0 is not in the prioritized list. L0 testing cannot be triggered.

@yiqingy0 yiqingy0 force-pushed the enable_b300_multi_gpu_test branch from eb22866 to 8302896 Compare December 24, 2025 02:31
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/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1"

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PR_Github #29699 [ run ] triggered by Bot. Commit: 8302896

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PR_Github #29699 [ run ] completed with state SUCCESS. Commit: 8302896
/LLM/main/L0_MergeRequest_PR pipeline #22815 (Partly Tested) completed with status: 'SUCCESS'

@yiqingy0 yiqingy0 marked this pull request as ready for review December 24, 2025 04:45
@yiqingy0 yiqingy0 requested review from a team as code owners December 24, 2025 04:45
@yiqingy0 yiqingy0 requested review from kxdc and venkywonka December 24, 2025 04:45
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coderabbitai bot commented Dec 24, 2025

📝 Walkthrough

Walkthrough

The pull request adds a new test configuration entry for 4-GPU PyTorch testing on the B300 DGX partition to both the Jenkins test matrix and the test configuration file, expanding test coverage for PyTorch workloads on the B300 hardware.

Changes

Cohort / File(s) Summary
Jenkins Test Matrix Configuration
jenkins/L0_Test.groovy
Added DGX_B300-4_GPUs-PyTorch-1 entry to x86 test configurations with parameters: ["b300-x4", "l0_dgx_b300", 1, 1, 4]. Entry mirrors both standard and Slurm-based test sets.
Test Database Configuration
tests/integration/test_lists/test-db/l0_dgx_b300.yml
Introduced new AutoDeploy block targeting pre_merge stage with system GPU count of 4, GPU wildcards (gb110, b300), ubuntu Linux, x86_64 architecture, and PyTorch backend. Test list updated with new entries.

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 PR description is entirely the repository template with no custom content; all required sections (Description, Test Coverage) are empty/unfilled. Complete the Description section explaining the motivation and changes. Complete the Test Coverage section listing relevant tests, especially the new DGX_B300 pre-merge test configurations.
✅ Passed checks (2 passed)
Check name Status Explanation
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Title check ✅ Passed The PR title accurately describes the main change: enabling DGX_B300 multi-GPU testing in the pre-merge pipeline, which is confirmed by the commit message and file changes.
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Actionable comments posted: 1

📜 Review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8c1cfc8 and 8302896.

📒 Files selected for processing (2)
  • jenkins/L0_Test.groovy
  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
🧰 Additional context used
🧠 Learnings (10)
📓 Common learnings
Learnt from: pengbowang-nv
Repo: NVIDIA/TensorRT-LLM PR: 7192
File: tests/integration/test_lists/test-db/l0_dgx_b200.yml:56-72
Timestamp: 2025-08-26T09:49:04.956Z
Learning: In TensorRT-LLM test configuration files, the test scheduling system handles wildcard matching with special rules that prevent duplicate test execution even when the same tests appear in multiple yaml files with overlapping GPU wildcards (e.g., "*b200*" and "*gb200*").
📚 Learning: 2025-08-26T09:49:04.956Z
Learnt from: pengbowang-nv
Repo: NVIDIA/TensorRT-LLM PR: 7192
File: tests/integration/test_lists/test-db/l0_dgx_b200.yml:56-72
Timestamp: 2025-08-26T09:49:04.956Z
Learning: In TensorRT-LLM test configuration files, the test scheduling system handles wildcard matching with special rules that prevent duplicate test execution even when the same tests appear in multiple yaml files with overlapping GPU wildcards (e.g., "*b200*" and "*gb200*").

Applied to files:

  • jenkins/L0_Test.groovy
  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-09-17T02:48:52.732Z
Learnt from: tongyuantongyu
Repo: NVIDIA/TensorRT-LLM PR: 7781
File: tests/integration/test_lists/waives.txt:313-313
Timestamp: 2025-09-17T02:48:52.732Z
Learning: In TensorRT-LLM, `tests/integration/test_lists/waives.txt` is specifically for waiving/skipping tests, while other test list files like those in `test-db/` and `qa/` directories are for different test execution contexts (pre-merge, post-merge, QA tests). The same test appearing in both waives.txt and execution list files is intentional - the test is part of test suites but will be skipped due to the waiver.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-07-28T17:06:08.621Z
Learnt from: moraxu
Repo: NVIDIA/TensorRT-LLM PR: 6303
File: tests/integration/test_lists/qa/examples_test_list.txt:494-494
Timestamp: 2025-07-28T17:06:08.621Z
Learning: In TensorRT-LLM testing, it's common to have both CLI flow tests (test_cli_flow.py) and PyTorch API tests (test_llm_api_pytorch.py) for the same model. These serve different purposes: CLI flow tests validate the traditional command-line workflow, while PyTorch API tests validate the newer LLM API backend. Both are legitimate and should coexist.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-09-09T09:40:45.658Z
Learnt from: fredricz-20070104
Repo: NVIDIA/TensorRT-LLM PR: 7645
File: tests/integration/test_lists/qa/llm_function_core.txt:648-648
Timestamp: 2025-09-09T09:40:45.658Z
Learning: In TensorRT-LLM test lists, it's common and intentional for the same test to appear in multiple test list files when they serve different purposes (e.g., llm_function_core.txt for comprehensive core functionality testing and llm_function_core_sanity.txt for quick sanity checks). This duplication allows tests to be run in different testing contexts.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-08-06T13:58:07.506Z
Learnt from: galagam
Repo: NVIDIA/TensorRT-LLM PR: 6487
File: tests/unittest/_torch/auto_deploy/unit/singlegpu/test_ad_trtllm_bench.py:1-12
Timestamp: 2025-08-06T13:58:07.506Z
Learning: In TensorRT-LLM, test files (files under tests/ directories) do not require NVIDIA copyright headers, unlike production source code files. Test files typically start directly with imports, docstrings, or code.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-08-29T14:07:45.863Z
Learnt from: EmmaQiaoCh
Repo: NVIDIA/TensorRT-LLM PR: 7370
File: tests/unittest/trt/model_api/test_model_quantization.py:24-27
Timestamp: 2025-08-29T14:07:45.863Z
Learning: In TensorRT-LLM's CI infrastructure, pytest skip markers (pytest.mark.skip) are properly honored even when test files have __main__ blocks that call test functions directly. The testing system correctly skips tests without requiring modifications to the __main__ block execution pattern.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-08-11T20:09:24.389Z
Learnt from: achartier
Repo: NVIDIA/TensorRT-LLM PR: 6763
File: tests/integration/defs/triton_server/conftest.py:16-22
Timestamp: 2025-08-11T20:09:24.389Z
Learning: In the TensorRT-LLM test infrastructure, the team prefers simple, direct solutions (like hard-coding directory traversal counts) over more complex but robust approaches when dealing with stable directory structures. They accept the maintenance cost of updating tests if the layout changes.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-08-14T06:36:40.701Z
Learnt from: timlee0212
Repo: NVIDIA/TensorRT-LLM PR: 6886
File: tensorrt_llm/_torch/models/modeling_deepseekv3.py:0-0
Timestamp: 2025-08-14T06:36:40.701Z
Learning: In DeepSeek V3 model (tensorrt_llm/_torch/models/modeling_deepseekv3.py), the disagreement between AllReduce.__init__ guard and _compute_mlp_tp_size logic for MNNVL usage is expected by design. The AllReduce component and MLP TP-size computation intentionally use different criteria for MNNVL availability decisions.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
📚 Learning: 2025-08-13T11:07:11.772Z
Learnt from: Funatiq
Repo: NVIDIA/TensorRT-LLM PR: 6754
File: tests/integration/test_lists/test-db/l0_a30.yml:41-47
Timestamp: 2025-08-13T11:07:11.772Z
Learning: In TensorRT-LLM test configuration files like tests/integration/test_lists/test-db/l0_a30.yml, TIMEOUT values are specified in minutes, not seconds.

Applied to files:

  • tests/integration/test_lists/test-db/l0_dgx_b300.yml
🔇 Additional comments (2)
tests/integration/test_lists/test-db/l0_dgx_b300.yml (1)

71-92: LGTM! Pre-merge test configuration properly added.

The new pre_merge test block successfully enables B300 multi-GPU testing in the pre-merge pipeline, aligning with the PR objectives. The configuration correctly:

  • Targets 4-GPU B300 systems with appropriate wildcards
  • Selects a focused subset of PyTorch tests for pre-merge validation
  • Uses the same GPU wildcards as the post_merge block, which is handled correctly by the test scheduling system per learnings
jenkins/L0_Test.groovy (1)

3061-3061: LGTM! Test configuration entry correctly added.

The new DGX_B300-4_GPUs-PyTorch-1 configuration entry is properly structured and follows the established pattern of existing DGX test configurations. It correctly references the l0_dgx_b300 test list and specifies 4 GPUs, aligning with the pre_merge test block added to the YAML file.

@yiqingy0 yiqingy0 requested review from QiJune and chzblych December 24, 2025 06:47
@yiqingy0 yiqingy0 force-pushed the enable_b300_multi_gpu_test branch from 8302896 to 82792a6 Compare December 31, 2025 07:46
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/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1"

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PR_Github #30259 [ run ] triggered by Bot. Commit: 84560b7

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PR_Github #30259 [ run ] completed with state SUCCESS. Commit: 84560b7
/LLM/main/L0_MergeRequest_PR pipeline #23296 (Partly Tested) completed with status: 'FAILURE'

⚠️ Action Required:

  • Please check the failed tests and fix your PR
  • If you cannot view the failures, ask the CI triggerer to share details
  • Once fixed, request an NVIDIA team member to trigger CI again

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/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1"

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PR_Github #30270 [ run ] triggered by Bot. Commit: 84560b7

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PR_Github #30270 [ run ] completed with state SUCCESS. Commit: 84560b7
/LLM/main/L0_MergeRequest_PR pipeline #23306 (Partly Tested) completed with status: 'FAILURE'

⚠️ Action Required:

  • Please check the failed tests and fix your PR
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  • Once fixed, request an NVIDIA team member to trigger CI again

Signed-off-by: Yiqing Yan <yiqingy@nvidia.com>
Signed-off-by: Yiqing Yan <yiqingy@nvidia.com>
Signed-off-by: Yiqing Yan <yiqingy@nvidia.com>
@yiqingy0 yiqingy0 force-pushed the enable_b300_multi_gpu_test branch from 84560b7 to 4c1c328 Compare January 5, 2026 03:04
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yiqingy0 commented Jan 5, 2026

/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1"

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PR_Github #30534 [ run ] triggered by Bot. Commit: 4c1c328

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PR_Github #30534 [ run ] completed with state FAILURE. Commit: 4c1c328
/LLM/main/L0_MergeRequest_PR pipeline #23550 (Partly Tested) completed with status: 'FAILURE'

⚠️ Action Required:

  • Please check the failed tests and fix your PR
  • If you cannot view the failures, ask the CI triggerer to share details
  • Once fixed, request an NVIDIA team member to trigger CI again

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yiqingy0 commented Jan 5, 2026

/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1"

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PR_Github #30538 [ run ] triggered by Bot. Commit: 4c1c328

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PR_Github #30538 [ run ] completed with state FAILURE. Commit: 4c1c328
/LLM/main/L0_MergeRequest_PR pipeline #23553 (Partly Tested) completed with status: 'FAILURE'

⚠️ Action Required:

  • Please check the failed tests and fix your PR
  • If you cannot view the failures, ask the CI triggerer to share details
  • Once fixed, request an NVIDIA team member to trigger CI again

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yiqingy0 commented Jan 5, 2026

/bot run --stage-list "DGX_B300-4_GPUs-PyTorch-1"

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PR_Github #30558 [ run ] triggered by Bot. Commit: 4c1c328

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PR_Github #30558 [ run ] completed with state SUCCESS. Commit: 4c1c328
/LLM/main/L0_MergeRequest_PR pipeline #23570 (Partly Tested) completed with status: 'SUCCESS'

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yiqingy0 commented Jan 6, 2026

/bot skip --comment "has been tested in /LLM/main/L0_MergeRequest_PR pipeline #23570 (Partly Tested)"

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PR_Github #30668 [ skip ] triggered by Bot. Commit: 4c1c328

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PR_Github #30668 [ skip ] completed with state SUCCESS. Commit: 4c1c328
Skipping testing for commit 4c1c328

@yiqingy0 yiqingy0 changed the title [TRTLLM-9622][infra] Enable B300 multi-gpu testing in pre-merge pipeline [TRTLLM-9622][infra] Enable DGX_B300 multi-gpu testing in pre-merge pipeline Jan 6, 2026
@yiqingy0 yiqingy0 merged commit 5108a69 into NVIDIA:main Jan 6, 2026
7 of 9 checks passed
@yiqingy0 yiqingy0 deleted the enable_b300_multi_gpu_test branch January 6, 2026 06:39
videodanchik pushed a commit to videodanchik/TensorRT-LLM that referenced this pull request Jan 14, 2026
…ipeline (NVIDIA#9699)

Signed-off-by: Yiqing Yan <yiqingy@nvidia.com>
Signed-off-by: Daniil Kulko <kulkodaniil@gmail.com>
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