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Arm backend: Addressing Linear operator issues in int16x8 #15370

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Merged
zingo merged 6 commits into pytorch:main from SaoirseARM:toupstream/linear_int16
Oct 30, 2025

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@SaoirseARM SaoirseARM commented Oct 23, 2025 •
edited by pytorch-bot bot
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Summary

  • Update bias to use the derived quantization spec to int32.
  • Fixes issue in the Conv2d where the bias should be added first and then rescaled back to int16.

cc @freddan80 @per @zingo @oscarandersson8218 @digantdesai 

Signed-off-by: Saoirse Stewart <saoirse.stewart@arm.com>
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pytorch-bot bot commented Oct 23, 2025 •
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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15370

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

❗ 1 Active SEVs

There are 1 currently active SEVs. If your PR is affected, please view them below:

❌ 1 New Failure, 2 Unrelated Failures

As of commit 161b60b with merge base ed91b6a (image ):

NEW FAILURE - The following job has failed:
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 Oct 23, 2025
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@pytorchbot label "release notes: none"
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@pytorch-bot pytorch-bot bot added the release notes: none Do not include this in the release notes label Oct 23, 2025
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@pytorchbot label ciflow/trunk
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@pytorchbot label 'partner: arm'
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@pytorch-bot pytorch-bot bot added the partner: arm For backend delegation, kernels, demo, etc. from the 3rd-party partner, Arm label Oct 23, 2025
@Ninja91 Ninja91 self-requested a review October 23, 2025 17:20
@zingo zingo merged commit 5d268c7 into pytorch:main Oct 30, 2025
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@zingo zingo zingo approved these changes

@Sebastian-Larsson Sebastian-Larsson Awaiting requested review from Sebastian-Larsson

@digantdesai digantdesai Awaiting requested review from digantdesai digantdesai is a code owner

@Ninja91 Ninja91 Awaiting requested review from Ninja91

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ciflow/trunk CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. partner: arm For backend delegation, kernels, demo, etc. from the 3rd-party partner, Arm release notes: none Do not include this in the release notes

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