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[ExecuTorch][llm] Add source-transform and Meta-kernel tests for MoE op#21122

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[ExecuTorch][llm] Add source-transform and Meta-kernel tests for MoE op#21122
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@digantdesai digantdesai commented Jul 22, 2026 •
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Stack from ghstack (oldest at bottom):

Add test_quantized_moe.py coverage for source transformation, INT4 packing, Meta-kernel validation, kernel registration, and shared-expert behavior.

Exercise the production torchao gate quantization recipe and assert that the transformed module exports a llama.quantized_moe_ffn call with an fp32 gate buffer.

Differential Revision: D102381997

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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/21122

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

❗ 1 Active SEVs

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❌ 5 New Failures, 1 Unrelated Failure, 1 Unclassified Failure

As of commit 13289b9 with merge base bfed808 (image):

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

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This was referenced Jul 22, 2026
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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 22, 2026
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This PR needs a release notes: label

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