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Arm backend: Add MobileSAM Ethos-U example - #21460

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JacobSzwejbka merged 1 commit into
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Jul 30, 2026
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Arm backend: Add MobileSAM Ethos-U example#21460
JacobSzwejbka merged 1 commit into
release/1.4from
cherry-pick-21397-by-pytorch_bot_bot_

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Add a MobileSAM prompt segmentation example for Ethos-U85-256.

Prepare the pinned official source in an external managed checkout.

Apply a small configurable-input patch instead of copying model code.

Use int8 globally and A16W8 for TinyViT attention.

Lower the complete graph to Ethos-U and compare output with FP32.

Emit delegation summaries, validation metrics, and debug artifacts.

Build a bare-metal Corstone-320 app using exporter metadata.

Validate inference on FVP through the Arm OOTB test.

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218 @mansnils @Sebastian-Larsson @robell @rascani

Add a MobileSAM prompt segmentation example for Ethos-U85-256.

Prepare the pinned official source in an external managed checkout.

Apply a small configurable-input patch instead of copying model code.

Use int8 globally and A16W8 for TinyViT attention.

Lower the complete graph to Ethos-U and compare output with FP32.

Emit delegation summaries, validation metrics, and debug artifacts.

Build a bare-metal Corstone-320 app using exporter metadata.

Validate inference on FVP through the Arm OOTB test.

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218 @mansnils
@Sebastian-Larsson @robell @rascani

Signed-off-by: Usamah Zaheer <usamah.zaheer@arm.com>
(cherry picked from commit 7a55e23)
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pytorch-bot Bot commented Jul 29, 2026

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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/21460

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

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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 Jul 29, 2026
@github-actions github-actions Bot added ciflow/trunk module: arm Issues related to arm backend labels Jul 29, 2026
@JacobSzwejbka
JacobSzwejbka merged commit d0f48cf into release/1.4 Jul 30, 2026
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@JacobSzwejbka
JacobSzwejbka deleted the cherry-pick-21397-by-pytorch_bot_bot_ branch July 30, 2026 03:47
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3 participants