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Question

According to the document of GroupNormalization's operator
https://github.com/onnx/onnx/blob/main/docs/Operators.md#groupnormalization
I found the tensor shape of both scale and bias are num_groups.
However, this should be equal to C instead of G.

Further information

• Relevant Area: operators
  -According to the paper (page 4)
  https://arxiv.org/pdf/1803.08494.pdf
  Shape of Gamma (scale) and beta (bias) ic C (perchannel not pergroup).