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SimplifiedLayerNormalization is unimplemented #1775

@alexander-camuto

Description

@alexander-camuto

SimplifiedLayerNormalization which is relatively common in transformer models is unimplemented. To reproduce run tract on the uploaded model.

You should get the following error

┣┻ 213 MatMulInference /lm_head/MatMul
    ━━━ ..,F32
[2025-07-03T21:52:27.457619892Z ERROR tract] Error at stage "analyse"
    
    Caused by:
        0: ModelBuildingError
        1: #52 "/h.0/ln_1/Mul/SimplifiedLayerNormFusion/" Unimplemented(SimplifiedLayerNormalization) has incomplete typing

dishonest_advisor_improved_optimized.onnx.zip

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