DISABLED Test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 (main.TestFlexAttentionCUDA)

Apr 21, 2025 by ADMIN 134 views

DISABLED test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 (main.TestFlexAttentionCUDA)

The test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case, part of the __main__.TestFlexAttentionCUDA suite, has been disabled due to its failure in Continuous Integration (CI) environments. This article aims to provide a comprehensive understanding of the issue, its impact, and the steps required to debug and resolve the problem.

The test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case is a crucial component of the __main__.TestFlexAttentionCUDA suite, which is designed to test the flexibility and performance of PyTorch's attention mechanisms on CUDA-enabled devices. However, recent CI runs have revealed that this test case is flaky, resulting in inconsistent test outcomes.

Over the past 3 hours, the test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case has been determined to be flaky in 3 workflow(s), with a total of 6 failures and 3 successes. This indicates that the test case is experiencing issues that are not related to the test itself, but rather to the environment in which it is being run.

To debug and resolve the issue with the test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case, follow these steps:

Click on the recent samples link: Visit the recent examples page to view the most recent test runs.
Click on the workflow logs link: Click on the workflow logs link to access the detailed logs of the test runs.
Expand the Test step: Click on the Test step of the job so that it is expanded. This will allow you to grep for the relevant log snippets.
Grep for the test case: Use the grep command to search for the test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case in the logs.
Study the logs: Analyze the logs to identify the root cause of the issue and potential solutions.

When debugging flaky tests, it is essential to remember that a green CI does not necessarily indicate that the test is passing. Flaky tests can still cause issues, even if the CI appears to be working correctly. Therefore, it is crucial to investigate the logs and identify the root cause of the problem.

The test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case is located in the inductor/test_flex_attention.py file.

The authors would like to thank the following for their contributions to this issue:

@clee2000
@voznesenskym
@penguinwu
@EikanWang
@jgong5
@Guobing-Chen
@XiaobingSuper
@zhuhaozhe
@blzheng
@wenzhe-nrv
@jiayisunx
@ipiszy
@chenyang78
@kadeng
@muchulee8
@amjames
@chauhang
@aakhundov
DISABLED test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 (main.TestFlexAttentionCUDA) Q&A

A: The test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case has been disabled due to its failure in Continuous Integration (CI) environments.

A: The test case is failing in CI due to its flakiness, which is causing inconsistent test outcomes. Over the past 3 hours, the test case has been determined to be flaky in 3 workflow(s), with a total of 6 failures and 3 successes.

A: Flakiness refers to the phenomenon where a test case produces inconsistent results, often due to external factors such as environment variables, network connectivity, or resource availability.

A: To debug the test case, follow these steps:

Click on the recent samples link to view the most recent test runs.
Click on the workflow logs link to access the detailed logs of the test runs.
Expand the Test step of the job so that it is expanded.
Grep for the test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case in the logs.
Study the logs to identify the root cause of the issue and potential solutions.

A: Analyzing the logs is crucial when debugging flaky tests because it allows you to identify the root cause of the issue and potential solutions. A green CI does not necessarily indicate that the test is passing, and flaky tests can still cause issues even if the CI appears to be working correctly.

A: The test_builtin_score_mods_different_block_size_float32_score_mod0_BLOCK_SIZE_128_cuda_float32 test case is located in the inductor/test_flex_attention.py file.

A: You can contact the following individuals for further assistance with this issue:

@clee2000
@voznesenskym
@penguinwu
@EikanWang
@jgong5
@Guobing-Chen
@XiaobingSuper
@zhuhaozhe
@blzheng
@wenzhe-nrv
@jiayisunx
@ipiszy
@chenyang78
@kadeng
@muchulee8
@amames
@chauhang
@aakhundov

A: The next step in resolving this issue is to analyze the logs and identify the root cause of the problem. Once the root cause is identified, potential solutions can be explored and implemented to resolve the issue.