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@bo-nv bo-nv commented Jul 16, 2025

Description

unwaive nixl tests and some disagg-serve tests

Summary by CodeRabbit

  • Tests
    • Re-enabled NIXL backend cache transceiver tests in the multi-GPU integration suite.
    • Added new test entries for the DeepSeek-V3-Lite-fp8 model with NIXL and other backend configurations to integration and sanity test lists.
    • Expanded test coverage in l0_dgx_b200 and l0_dgx_h100 test suites with additional scenarios for disaggregated and executor tests, including various process counts and backend variants.

@bo-nv bo-nv self-assigned this Jul 16, 2025
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bo-nv commented Jul 16, 2025

/bot run --add-multi-gpu-test --disable-fail-fast

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PR_Github #12089 [ run ] triggered by Bot

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PR_Github #12089 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #8980 completed with status: 'SUCCESS'
Pipeline passed with automatic retried tests. Check the rerun report for details.

@longlee0622 longlee0622 requested a review from litaotju July 17, 2025 01:25
@bo-nv bo-nv force-pushed the user/bo/unwaive-nixl-tests branch from d228974 to 341c14d Compare July 17, 2025 01:47
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coderabbitai bot commented Jul 17, 2025

Walkthrough

The changes re-enable NIXL backend cache transceiver tests in the multi-GPU integration test suite and expand test coverage for the DeepSeek-V3-Lite-fp8 model variant. Multiple test list files are updated to include new test cases for various configurations, communication backends, and executor types, enhancing integration and sanity testing.

Changes

File(s) Change Summary
tests/integration/defs/cpp/test_multi_gpu.py Re-enabled previously commented-out NIXL cache transceiver tests by removing comment block and TODO note.
tests/integration/test_lists/qa/examples_test_list.txt
tests/integration/test_lists/qa/llm_sanity_test.txt
Added new test entry for test_disaggregated_deepseek_v3_lite_fp8_nixl in both the examples and sanity test lists.
tests/integration/test_lists/test-db/l0_dgx_b200.yml Added new DeepSeek-V3-Lite-fp8 test cases for UCX and NIXL backends.
tests/integration/test_lists/test-db/l0_dgx_h100.yml Added new symmetric and asymmetric executor tests for the nixl_kvcache backend variant to the test list.

Sequence Diagram(s)

sequenceDiagram
    participant TestRunner
    participant NIXLBackend
    participant CacheTransceiver

    TestRunner->>NIXLBackend: Initialize NIXL backend
    NIXLBackend->>CacheTransceiver: Start cache transceiver tests
    CacheTransceiver-->>NIXLBackend: Return test results
    NIXLBackend-->>TestRunner: Report test outcomes
Loading
sequenceDiagram
    participant TestList
    participant TestRunner
    participant DisaggregatedTest
    participant Backend

    TestList->>TestRunner: Provide new DeepSeek-V3-Lite-fp8 test entries
    TestRunner->>DisaggregatedTest: Run test with specified config
    DisaggregatedTest->>Backend: Execute backend-specific logic (UCX/NIXL)
    Backend-->>DisaggregatedTest: Return results
    DisaggregatedTest-->>TestRunner: Report pass/fail
Loading

Suggested reviewers

  • litaotju
  • ZhanruiSunCh

Poem

Hopping through the code so spry,
New tests bloom as time goes by!
NIXL awakes from slumber deep,
Disaggregated bunnies leap.
More configs join the testing warren—
Integration’s never borin’!
🐰✨


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Reviewing files that changed from the base of the PR and between b0937a1 and 97a7286.

📒 Files selected for processing (5)
  • tests/integration/defs/cpp/test_multi_gpu.py (0 hunks)
  • tests/integration/test_lists/qa/examples_test_list.txt (1 hunks)
  • tests/integration/test_lists/qa/llm_sanity_test.txt (1 hunks)
  • tests/integration/test_lists/test-db/l0_dgx_b200.yml (1 hunks)
  • tests/integration/test_lists/test-db/l0_dgx_h100.yml (1 hunks)
💤 Files with no reviewable changes (1)
  • tests/integration/defs/cpp/test_multi_gpu.py
🚧 Files skipped from review as they are similar to previous changes (4)
  • tests/integration/test_lists/qa/examples_test_list.txt
  • tests/integration/test_lists/qa/llm_sanity_test.txt
  • tests/integration/test_lists/test-db/l0_dgx_b200.yml
  • tests/integration/test_lists/test-db/l0_dgx_h100.yml
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bo-nv commented Jul 17, 2025

/bot run --add-multi-gpu-test --disable-fail-fast

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Actionable comments posted: 0

🧹 Nitpick comments (2)
tests/integration/test_lists/test-db/l0_dgx_b200.yml (1)

67-76: YAML list grows large – consider logical grouping / aliases

Ten new DeepSeek-V3-Lite tests were appended verbatim.
For maintainability you may want to:

  1. Collapse identical prefixes via YAML anchors / aliases, or
  2. Group by {ucx|nixl|mpi} back-end to keep diffs minimal.

Not a blocker; purely a readability nit.

tests/integration/test_lists/test-db/l0_dgx_h100.yml (1)

135-144: New nixl_kvcache cases added – runtime budget may overflow

The H100 pre-merge block is already the longest in the repo.
Adding six more nixl_kvcache permutations (symmetric & asymmetric) may push wall-time beyond the 90-minute guardrail.

Consider:

-  - cpp/test_multi_gpu.py::TestDisagg::test_symmetric_executor[llama-8proc-nixl_kvcache-90]
+  - cpp/test_multi_gpu.py::TestDisagg::test_symmetric_executor[llama-8proc-nixl_kvcache-60]   # cut timeout

or mark a subset as post_merge if coverage overlap is acceptable.

Also applies to: 151-153

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between fe070a0 and 341c14d.

📒 Files selected for processing (5)
  • tests/integration/defs/cpp/test_multi_gpu.py (0 hunks)
  • tests/integration/test_lists/qa/examples_test_list.txt (1 hunks)
  • tests/integration/test_lists/qa/llm_sanity_test.txt (1 hunks)
  • tests/integration/test_lists/test-db/l0_dgx_b200.yml (1 hunks)
  • tests/integration/test_lists/test-db/l0_dgx_h100.yml (1 hunks)
💤 Files with no reviewable changes (1)
  • tests/integration/defs/cpp/test_multi_gpu.py
🔇 Additional comments (2)
tests/integration/test_lists/qa/examples_test_list.txt (1)

594-594: Confirm NIXL backend is enabled in CI before merging

The new entry relies on the nixl comms stack. Please double-check that the CI images used by the QA stage already have the NIXL runtime & env-vars pre-installed/exported (e.g. NV_NIXL_ENABLE=1).
Otherwise this line will systematically xfail / hang.

tests/integration/test_lists/qa/llm_sanity_test.txt (1)

63-63: Same NIXL availability concern applies to the sanity suite

Ensure the pre-merge runners for the sanity job mirror the QA configuration, or this addition will create an asymmetry between suites.

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PR_Github #12134 [ run ] triggered by Bot

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PR_Github #12134 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #9016 completed with status: 'SUCCESS'

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bo-nv commented Jul 17, 2025

@litaotju @Shixiaowei02 @ZhanruiSunCh please help review/merge the PR, thanks!

@bo-nv bo-nv force-pushed the user/bo/unwaive-nixl-tests branch from 341c14d to 6be1357 Compare July 18, 2025 01:53
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bo-nv commented Jul 18, 2025

/bot run --add-multi-gpu-test --disable-fail-fast

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PR_Github #12254 [ run ] triggered by Bot

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PR_Github #12254 [ run ] completed with state FAILURE
/LLM/main/L0_MergeRequest_PR pipeline #9099 completed with status: 'FAILURE'

@bo-nv bo-nv force-pushed the user/bo/unwaive-nixl-tests branch from b0937a1 to 97a7286 Compare July 18, 2025 05:44
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bo-nv commented Jul 18, 2025

/bot run --add-multi-gpu-test --disable-fail-fast

@bo-nv bo-nv enabled auto-merge (squash) July 18, 2025 05:44
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PR_Github #12280 [ run ] triggered by Bot

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PR_Github #12280 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #9119 completed with status: 'FAILURE'

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bo-nv commented Jul 18, 2025

/bot run --add-multi-gpu-test

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PR_Github #12311 [ run ] triggered by Bot

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PR_Github #12311 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #9145 completed with status: 'SUCCESS'

@bo-nv bo-nv merged commit 2c6fa14 into NVIDIA:main Jul 18, 2025
3 checks passed
reasonsolo pushed a commit to reasonsolo/TensorRT-LLM that referenced this pull request Jul 21, 2025
timlee0212 pushed a commit to timlee0212/TensorRT-LLM that referenced this pull request Jul 21, 2025
NVShreyas pushed a commit to NVShreyas/TensorRT-LLM that referenced this pull request Jul 28, 2025
@bo-nv bo-nv deleted the user/bo/unwaive-nixl-tests branch August 8, 2025 05:58
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