vllm - 💡(How to fix) Fix [CI Failure]: mi325_1: Quantized MoE Test (B200-MI325) [2 comments, 2 participants]

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vllm-project/vllm#37708Fetched 2026-04-08 01:08:41
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Root Cause

  • Flaky test
  • Can reproduce locally
  • Caused by external libraries (e.g. bug in transformers)
RAW_BUFFERClick to expand / collapse

Name of failing test

pytest -s -v tests/quantization/test_gfx3xx_moe.py

Basic information

  • Flaky test
  • Can reproduce locally
  • Caused by external libraries (e.g. bug in transformers)

🧪 Describe the failing test

test_gfx3xx_moe.py is a dummy file that was created as a placeholder to develop the new Quantized MoE test group. This will be a new test group in our effort to achieve parity with upstream #TGs.

📝 History of failing test

No history since this is a new test group. Related: https://buildkite.com/vllm/amd-ci/builds/6721/steps/canvas?sid=019d09d4-7104-40f6-ae60-2914bdb3a955&tab=output

extent analysis

Fix Plan

To fix the failing test test_gfx3xx_moe.py, we need to implement the actual test cases for the Quantized MoE test group.

Steps to Fix

  • Create a new test class in test_gfx3xx_moe.py that inherits from unittest.TestCase
  • Implement test methods for each test case in the Quantized MoE test group
  • Use the pytest framework to write and run the tests

Example Code

import pytest
import unittest

class TestQuantizedMoE(unittest.TestCase):
    def test_quantized_moe(self):
        # Implement test logic here
        assert True

    def test_quantized_moe_edge_case(self):
        # Implement test logic here
        assert True

if __name__ == '__main__':
    pytest.main([__file__])

Verification

Run the test using pytest -s -v tests/quantization/test_gfx3xx_moe.py to verify that the test passes.

Extra Tips

  • Make sure to implement meaningful test cases that cover different scenarios and edge cases.
  • Use descriptive names for test methods and variables to improve readability.
  • Consider using a testing library like pytest to simplify the testing process.

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