[TRTLLM-9381][feat] Add kimi k2 fp4 tests

[xinhe-nv]

Summary by CodeRabbit

Release Notes

• Tests

  • Added NVFP4 quantization test coverage for Kimi-K2-Thinking model variant.
  • https://prod.blsm.nvidia.com/swqa-tensorrt-qa-test/job/DEBUG_LLM_FUNCTION_CLUSTER_TEST/536/testReport/GB200.accuracy.test_llm_api_pytorch/TestKimiK2/test_nvfp4_4gpus__2/

• Chores

  • Updated accuracy baseline metrics for model evaluation.
  • Refined test configurations and parameters.

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Description

Test Coverage

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[coderabbitai]

📝 Walkthrough

Walkthrough

These changes add support for the Kimi-K2-Thinking model with NVFP4 quantization to the test suite. Accuracy reference data is updated for GSM8K and MMLU benchmarks. A new test method is added for NVFP4 quantization testing, and test lists are updated to include the new test variants while removing legacy model configurations.

Changes

Cohort / File(s)	Summary
Accuracy Reference Data tests/integration/defs/accuracy/references/gsm8k.yaml, tests/integration/defs/accuracy/references/mmlu.yaml	Added accuracy entries for moonshotai/Kimi-K2-Thinking with NVFP4 quantization and FP8 kv_cache. Updated existing nvidia/Llama-3_3-Nemotron-Super-49B-v1 entries with nested quantization configuration objects and modified accuracy values.
Test Implementation tests/integration/defs/accuracy/test_llm_api_pytorch.py, tests/integration/defs/test_e2e.py	Added new test_nvfp4 method to TestKimiK2 class for NVFP4 quantization validation. Replaced Kimi-K2-Instruct parameterized test entry with Kimi-K2-Thinking-NVFP4. Removed llm_venv parameter from test_multi_nodes_eval function signature.
Test List Updates tests/integration/test_lists/qa/llm_function_core.txt, tests/integration/test_lists/qa/llm_function_core_sanity.txt, tests/integration/test_lists/qa/llm_function_multinode.txt	Removed BF16 test for Qwen3_8B. Added NVFP4 test entries for Kimi-K2-Thinking across 4 and 8 GPU configurations. Updated multinode test entry to target new Kimi-K2-Thinking-NVFP4 variant.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

• Potential focus areas:
  • Verify consistency between accuracy reference values in YAML files and expected test results
  • Confirm that test method test_nvfp4 implementation aligns with existing NVFP4 test patterns in the same file
  • Ensure test list entries (llm_function_*.txt) accurately reflect the new test methods and removed tests
  • Validate that removal of llm_venv parameter from test_multi_nodes_eval does not break dependency resolution in the test infrastructure

Pre-merge checks and finishing touches

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.
Description check	⚠️ Warning	The PR description is incomplete and lacks required sections. The description, test coverage, and PR checklist sections are empty or contain only template placeholders and GitHub bot help instructions.	Fill in the Description section explaining what changes were made and why. Complete the Test Coverage section listing relevant tests. Ensure all applicable checklist items are properly reviewed and marked. Remove or properly complete the GitHub bot help section.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the main change: adding FP4 quantization tests for the Kimi K2 model, which aligns with the actual changes adding test_nvfp4 method and related test entries.

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[xinhe-nv]

/bot reuse-pipeline

[tensorrt-cicd]

PR_Github #28531 [ reuse-pipeline ] triggered by Bot. Commit: 3a68e99

[tensorrt-cicd]

PR_Github #28531 [ reuse-pipeline ] completed with state SUCCESS. Commit: 3a68e99
Can't reuse PR_Github #0 with status: UNKNOWN

[xinhe-nv]

/bot run --skip-test

[tensorrt-cicd]

PR_Github #28534 [ run ] triggered by Bot. Commit: 3a68e99

[tensorrt-cicd]

PR_Github #28534 [ run ] completed with state FAILURE. Commit: 3a68e99
/LLM/main/L0_MergeRequest_PR pipeline #21853 (Partly Tested) completed with status: 'FAILURE'

⚠️ Action Required:

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[xinhe-nv]

/bot run --skip-test

[tensorrt-cicd]

PR_Github #28557 [ run ] triggered by Bot. Commit: 6c81704

[tensorrt-cicd]

PR_Github #28557 [ run ] completed with state FAILURE. Commit: 6c81704
/LLM/main/L0_MergeRequest_PR pipeline #21875 (Partly Tested) completed with status: 'FAILURE'

⚠️ Action Required:

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[xinhe-nv]

/bot run --skip-test

[tensorrt-cicd]

PR_Github #28647 [ run ] triggered by Bot. Commit: 1b3a03a

[tensorrt-cicd]

PR_Github #28647 [ run ] completed with state DISABLED
CI server is currently disabled for scheduled maintenance. Estimated completion time: 1 PM PST on 12/16.

[xinhe-nv]

/bot run --skip-test

[tensorrt-cicd]

PR_Github #28717 [ run ] triggered by Bot. Commit: 65166b0

[tensorrt-cicd]

PR_Github #28717 [ run ] completed with state SUCCESS. Commit: 65166b0
/LLM/main/L0_MergeRequest_PR pipeline #21967 (Partly Tested) completed with status: 'SUCCESS'

[xinhe-nv]

/bot reuse-pipeline

[tensorrt-cicd]

PR_Github #28860 [ reuse-pipeline ] triggered by Bot. Commit: 6e2e5aa

[tensorrt-cicd]

PR_Github #28860 [ reuse-pipeline ] completed with state SUCCESS. Commit: 6e2e5aa
Reusing PR_Github #28717 (Partly Tested) for commit 6e2e5aa