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@mansnils mansnils commented Nov 14, 2025

By default outputs are re-ordered to correct order during TOSA lowering. However this is seen as a workaround as it should not be needed. Furthermore the output issue is not easily reproduced, rather it seems to happen randomly. Therefore we add a test case without the workaround, which is currently passing.
In case it won't pass without the workaround at some point, the new changes might give some hints on why the workaround is needed and how to fix it.
In case it continues to pass, we may switch the default and potentially even remove the workaround.

cc @freddan80 @per @zingo @oscarandersson8218 @digantdesai

By default outputs are re-ordered to correct order during TOSA lowering.
However this is seen as a workaround as it should not be needed.
Furthermore the output issue is not easily reproduced, rather it seems
to happen randomly. Therefore we add a test case without the
workaround, which is currently passing.
In case it won't pass without the workaround at some point, the new
changes might give some hints on why the workaround is needed and how
to fix it.
In case it continues to pass, we may switch the default and
potentially even remove the workaround.

Change-Id: I4c65cfaebe0a662d43c339c64a370b308674d1b5
@mansnils mansnils added partner: arm For backend delegation, kernels, demo, etc. from the 3rd-party partner, Arm ciflow/trunk labels Nov 14, 2025
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pytorch-bot bot commented Nov 14, 2025

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15826

Note: Links to docs will display an error until the docs builds have been completed.

✅ You can merge normally! (4 Unrelated Failures)

As of commit fe878a4 with merge base 3374ff8 (image):

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

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

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@meta-cla meta-cla bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Nov 14, 2025
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zingo commented Nov 15, 2025

Timeout problem trunk / test-arm-backend (test_pytest_ops_ethosu_fvp) / linux-job (push)Cancelled after 121m

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zingo commented Nov 15, 2025

Seem to be happening after #14109 was merged, trying to revert that PR

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See comment for more context of workaround: #13454 (comment)

@mansnils mansnils added the release notes: arm Changes to the ARM backend delegate label Nov 20, 2025
@zingo zingo merged commit 88cca2c into pytorch:main Nov 20, 2025
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2 participants