[TVM Discuss] [Questions] A problem for the optimized model

[Uwen via TVM Discuss]

Hi, 

I am a beginer for tvm.
I compile the model for vgg19 and visualize it by netron. 
![Screenshot from 2020-06-03 17-56-51|690x274, 
75%](upload://86khXCxeCiNFMyOjSq5ISsgMDKd.png) 
<br> *The original model is just conv->relu->pooling->...*
<br>
I know tvm do some operator fusions. But I don't know why the optimized model 
has p0, p1, ... nodes and they do not contain any input data.
Does anyone know why we have these nodes?
Thanks!





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