pytorch - 💡(How to fix) Fix DISABLED test_template_epilogue_fusion_extra_reads_fuse_epilogue_False_use_async_compile_False (__main__.TestEpilogueFusionStaticAnalysis) [4 comments, 1 participants]

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pytorch/pytorch#179693Fetched 2026-04-09 07:50:34
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Root Cause

This test was disabled because it is failing in CI. See recent examples and the most recent trunk workflow logs.

RAW_BUFFERClick to expand / collapse

Platforms: inductor

This test was disabled because it is failing in CI. See recent examples and the most recent trunk workflow logs.

Over the past 6 hours, it has been determined flaky in 17 workflow(s) with 68 failures and 17 successes.

Debugging instructions (after clicking on the recent samples link): DO NOT ASSUME THINGS ARE OKAY IF THE CI IS GREEN. We now shield flaky tests from developers so CI will thus be green but it will be harder to parse the logs. To find relevant log snippets:

  1. Click on the workflow logs linked above
  2. Click on the Test step of the job so that it is expanded. Otherwise, the grepping will not work.
  3. Grep for test_template_epilogue_fusion_extra_reads_fuse_epilogue_False_use_async_compile_False
  4. There should be several instances run (as flaky tests are rerun in CI) from which you can study the logs.

Test file path: inductor/test_max_autotune.py

For all disabled tests (by GitHub issue), see https://hud.pytorch.org/disabled.

cc @chauhang @penguinwu @voznesenskym @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @ipiszy @kadeng @muchulee8 @amjames @aakhundov @coconutruben @jataylo

extent analysis

TL;DR

Investigate and address the flakiness of the test_template_epilogue_fusion_extra_reads_fuse_epilogue_False_use_async_compile_False test in the inductor/test_max_autotune.py file.

Guidance

  • Review the provided recent examples and workflow logs to understand the test failures.
  • Follow the debugging instructions to find relevant log snippets and study the logs for patterns or clues to the test flakiness.
  • Consider re-enabling the test and running it locally to reproduce and debug the issue.

Example

No specific code snippet is provided, as the issue lacks detailed technical information about the test failure.

Notes

The provided information suggests that the test is flaky, with 68 failures and 17 successes over the past 6 hours. The debugging instructions and log analysis may help identify the root cause of the issue.

Recommendation

Apply workaround: Temporarily re-enable the test and run it locally to reproduce and debug the issue, as the test is currently disabled due to flakiness.

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