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[ExecuTorch][WebGPU] Tests for the q4gsw_train WebGPU ops#20932

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[ExecuTorch][WebGPU] Tests for the q4gsw_train WebGPU ops#20932
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@JCNTH

@JCNTH JCNTH commented Jul 14, 2026

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Stack from ghstack (oldest at bottom):

Export-delegation + fp64 golden tests for the q4gsw training (backward, dw, requant) ops.

Key changes:

  • test/ops/{test_quantized_linear_backward,test_linear_q4gsw_dw,test_q4gsw_requant}.py — fp64 dequant-matmul / weight-grad / re-quant goldens + a round-trip + delegation checks — fp64 library-reference goldens + delegation checks (≥2 cases/op).

Co-authored-with: Claude Code.
@exported-using-ghexport

Differential Revision: D111755121

Differential Revision: D111755121

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@pytorch-bot

pytorch-bot Bot commented Jul 14, 2026

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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/20932

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

✅ No Failures

As of commit 3f4bfc2 with merge base 7013c8d (image):
💚 Looks good so far! There are no failures yet. 💚

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This PR needs a release notes: label

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This was referenced Jul 14, 2026
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