Workaround for accuracy problem detected on Arm64

[zingo]

This is needed to get a pass on Arm64 for the unit tests

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/4092

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❌ 2 New Failures, 8 Unrelated Failures

As of commit a3a8853 with merge base 8f12da1 ():

NEW FAILURES - The following jobs have failed:

• trunk / test-custom-ops-macos (cmake) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 2
• trunk / test-models-macos (cmake, add_mul, portable, macos-m1-stable, 90) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• trunk / test-models-macos (cmake, dl3, xnnpack-quantization-delegation, macos-m1-stable, 90) / macos-job (gh) (similar failure)
  ##[error]The operation was canceled.
• trunk / test-models-macos (cmake, edsr, portable, macos-m1-stable, 90) / macos-job (gh) (similar failure)
  ##[error]The operation was canceled.
• trunk / test-models-macos (cmake, emformer_transcribe, portable, macos-m1-stable, 90) / macos-job (gh) (similar failure)
  ##[error]The operation was canceled.
• trunk / test-models-macos (cmake, ic3, xnnpack-quantization-delegation, macos-m1-stable, 90) / macos-job (gh) (similar failure)
  ##[error]The operation was canceled.
• trunk / test-models-macos (cmake, mv3, portable, macos-m1-stable, 90) / macos-job (gh) (similar failure)
  ##[error]The operation was canceled.
• trunk / test-pybind-build-macos (cmake) / macos-job (gh) (similar failure)
  ##[error]The operation was canceled.

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• Lint / lintrunner / linux-job (gh) (trunk failure)
  >>> Lint for backends/cadence/CMakeLists.txt:
• trunk / test-models-macos (cmake, ic4, xnnpack-quantization-delegation, macos-m1-stable, 90) / macos-job (gh) (trunk failure)
  ##[error]The operation was canceled.

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[zingo]

@pytorchbot label ciflow/trunk

[digantdesai]

This is surprising for a FP32 portable op. Can we dig into it? Stamping to unblock but this seems off.

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@digantdesai has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[facebook-github-bot]

@digantdesai merged this pull request in 459bc1d.