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[Bug][ONNX] SimplifiedLayerNormalization and SkipSimplifiedLayerNormalization ops unsupported #20625
Models Xenova/sweep-next-edit-1.5B and SwinliQ-AIs/SmolLM2-1.7B-Instruct should be executed end-to-end in TVM Relax.
Actual behavior
Model import fails with the following error:
tvm.error.OpNotImplemented: The following operators are not supported for frontend ONNX: GroupQueryAttention, SimplifiedLayerNormalization, SkipSimplifiedLayerNormalization
changed the title [-][FRONTEND][ONNX] OpNotImplemented: SimplifiedLayerNormalization and SkipSimplifiedLayerNormalization[/-][+][Bug][ONNX] SimplifiedLayerNormalization and SkipSimplifiedLayerNormalization ops unsupported[/+]on Oct 14, 2026
Activity
[-][FRONTEND][ONNX] OpNotImplemented: SimplifiedLayerNormalization and SkipSimplifiedLayerNormalization[/-][+][Bug][ONNX] SimplifiedLayerNormalization and SkipSimplifiedLayerNormalization ops unsupported[/+]Netra-Srinivasan-McW commentedon Oct 14, 2026
I have raised a PR addressing this issue. #20607
Netra-Srinivasan-McW commentedon Oct 14, 2026
@tqchen @tlopex Could you please take a look into this PR when you have time. Thanks.
[ONNX] Add SimplifiedLayerNormalization converter
[ONNX] Add SimplifiedLayerNormalization converter