[https://nvbugs/5630345] [chore] skip deepseek-v3.2 fp8 kv tests on pre-Blackwell architectures

[lfr-0531]

Summary by CodeRabbit

Release Notes

• Tests
  • Added hardware compatibility checks for FP8 KV cache tests to skip execution on older GPU architectures, preventing test failures on unsupported hardware.

Description

Test Coverage

PR Checklist

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[coderabbitai]

📝 Walkthrough

Walkthrough

The changes add conditional checks to skip FP8 KV cache tests on pre-Blackwell GPU architectures (SM version < 100) in integration tests. Two test cases now conditionally bypass FP8 KV cache configuration based on hardware capability detection.

Changes

Cohort / File(s)	Summary
FP8 KV cache hardware compatibility guards tests/integration/defs/accuracy/test_llm_api_pytorch.py	Added SM version checks (< 100) to skip FP8 KV cache configuration in two test locations: Llama-3.1-8B-Instruct-style FP8 test and DeepSeek-V3.2-Exp-hf FP8 block scale test. Tests proceed without FP8 KV cache on unsupported architectures.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

• Verify that both guard placements use consistent get_sm_version() < 100 threshold logic
• Confirm the skip behavior is applied at the correct scope (before KvCacheConfig instantiation)
• Ensure the guards don't inadvertently mask other test failures on older hardware

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	PR description is empty with all key sections (Description, Test Coverage) left blank, only containing template boilerplate and a single checked checklist box.	Fill in the Description section explaining why FP8 KV cache tests need to be skipped on pre-Blackwell architectures, and document the affected tests in the Test Coverage section.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the main change: skipping DeepSeek-V3.2 FP8 KV tests on pre-Blackwell architectures, matching the code changes that add SM version guards.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[lfr-0531]

/bot skip --comment "Skip failed cases"

[tensorrt-cicd]

PR_Github #23743 [ skip ] triggered by Bot. Commit: 7da4b1c

[tensorrt-cicd]

PR_Github #23743 [ skip ] completed with state SUCCESS. Commit: 7da4b1c
Skipping testing for commit 7da4b1c