[None][test] Add gpt_oss_20b Model to Sanity Perf Test

[yufeiwu-nv]

Summary by CodeRabbit

• Tests
  • Added a new performance sanity test covering the 20B FP4 model variant with 512-token input/output to broaden benchmark coverage.
  • Expanded local model availability to enable the new perf test, ensuring consistent execution across environments.
  • Improves confidence in throughput/latency baselines for the newly covered model without affecting runtime features or user workflows.

Description

gpt_oss_20b model is sufficient for LLM. It cost about 16GB memory and can run ~12mins in single GPU.
Add it into sanity perf test can improve the coverage for NIM release.

Test Coverage

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[coderabbitai]

📝 Walkthrough

Walkthrough

Adds a new local model mapping entry "gpt_oss_20b_fp4" in perf test code and registers a corresponding perf sanity test in the QA test list with specific parameters.

Changes

Cohort / File(s)	Summary of edits
Perf test model mapping tests/integration/defs/perf/test_perf.py	Added MODEL_PATH_DICT entry: "gpt_oss_20b_fp4": "gpt_oss/gpt-oss-20b".
QA test list update tests/integration/test_lists/qa/llm_perf_sanity.yml	Added new perf test case for gpt_oss_20b_fp4 using bench-pytorch-float4 with input_len: 512 and output_len: 512.

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 includes a clear “Description” section explaining the rationale and impact of adding the model, but it leaves the summary placeholder unpopulated and provides no details in the “Test Coverage” section, so required template information is incomplete.	Please replace the @coderabbitai summary tag with an actual summary of the changes and list the specific tests in the “Test Coverage” section to fully comply with the repository’s PR template.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The title correctly follows the repository’s tagging format and clearly indicates that a new GPT-OSS model is being added to the sanity performance tests, which aligns with the main change in the PR. Although it omits the “fp4” suffix, it still accurately reflects the core objective of adding the model to the perf suite.
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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📜 Recent review details

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Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 2655995 and 786bf70.

📒 Files selected for processing (2)

• tests/integration/defs/perf/test_perf.py (1 hunks)
• tests/integration/test_lists/qa/llm_perf_sanity.yml (1 hunks)

🧰 Additional context used

📓 Path-based instructions (3)

**/*.{h,hpp,hh,hxx,cpp,cxx,cc,cu,cuh,py}

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• tests/integration/defs/perf/test_perf.py

**/*.{cpp,cxx,cc,h,hpp,hh,hxx,cu,cuh,py}

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• tests/integration/defs/perf/test_perf.py

🧠 Learnings (1)

📚 Learning: 2025-09-09T09:40:45.658Z

Learnt from: fredricz-20070104
PR: NVIDIA/TensorRT-LLM#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/qa/llm_perf_sanity.yml

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: Pre-commit Check

🔇 Additional comments (2)

tests/integration/defs/perf/test_perf.py (1)

134-134: LGTM!

The new model path mapping is correctly formatted and consistently placed alongside the similar gpt_oss_120b_fp4 entry. The naming convention and path structure align with established patterns in the codebase.

tests/integration/test_lists/qa/llm_perf_sanity.yml (1)

35-36: Test entry correctly configured.

The test entry is properly formatted and aligns with the model path mapping added in test_perf.py. The configuration using bench-pytorch-float4 with input_output_len:512,512 is appropriate for this model.

Note: The PR description mentions this test takes approximately 12 minutes on a single GPU. While most tests in this file don't have explicit timeout annotations, you may want to verify that the default timeout is sufficient. Some other long-running tests in this file use explicit TIMEOUT() annotations (e.g., lines 225-226).

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[yufeiwu-nv]

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