pytorch - 💡(How to fix) Fix DISABLED detectron2_fasterrcnn graph breaks (dynamic_cpu_max_autotune_inductor_amp_freezing_torchbench) [1 comments, 2 participants]

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pytorch/pytorch#181377Fetched 2026-04-25 06:02:43
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Root Cause

These benchmarks were disabled because graph break counts regressed in CI after PR #181360.

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Platforms: dynamo

These benchmarks were disabled because graph break counts regressed in CI after PR #181360.

  • detectron2_fasterrcnn_r_101_c4: graph_breaks=43, expected=42
  • detectron2_fasterrcnn_r_101_dc5: graph_breaks=43, expected=42
  • detectron2_fasterrcnn_r_101_fpn: graph_breaks=47, expected=46
  • detectron2_fasterrcnn_r_50_c4: graph_breaks=43, expected=42
  • detectron2_fasterrcnn_r_50_dc5: graph_breaks=43, expected=42
  • detectron2_fasterrcnn_r_50_fpn: graph_breaks=47, expected=46

All +1 regression, unique break type count unchanged (7 unique).

CSV: benchmarks/dynamo/ci_expected_accuracy/dynamic_cpu_max_autotune_inductor_amp_freezing_torchbench_inference.csv

cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @kadeng @chauhang @amjames @Lucaskabela @jataylo @azahed98

extent analysis

TL;DR

Investigate and address the graph break count regression in the Detectron2 models to resolve the benchmark failures.

Guidance

  • Review the changes introduced in PR #181360 to identify the potential cause of the graph break count regression.
  • Compare the expected and actual graph break counts for each model to understand the nature of the regression.
  • Check the CSV file benchmarks/dynamo/ci_expected_accuracy/dynamic_cpu_max_autotune_inductor_amp_freezing_torchbench_inference.csv for more detailed information on the benchmark results.
  • Consider re-running the benchmarks with additional logging or debugging to gather more insights into the graph break count regression.

Notes

The issue seems to be related to a specific change introduced in PR #181360, and resolving the graph break count regression is likely to fix the benchmark failures.

Recommendation

Apply workaround: Revert or modify the changes introduced in PR #181360 to mitigate the graph break count regression, and re-run the benchmarks to verify the fix.

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pytorch - 💡(How to fix) Fix DISABLED detectron2_fasterrcnn graph breaks (dynamic_cpu_max_autotune_inductor_amp_freezing_torchbench) [1 comments, 2 participants]