[GitHub] [incubator-tvm] anwang2009 opened a new issue #4521: ONNX importer ModelParams bug

[GitBox <gi...@apache.org>]

anwang2009 opened a new issue #4521: ONNX importer ModelParams bug
URL: https://github.com/apache/incubator-tvm/issues/4521
 
 
   Using the onnx importer on mobilenetv2-1.0 with opset 7, `relay_params` appears to have an extra parameter as compared to `relay_model`'s parameters. 
   
   Here's a repro of the bug: 
   ```
   import tempfile
   import urllib.request
   from tvm.relay import Module
   import onnx
   from tvm.relay.frontend import from_onnx
   
   def onnx_workload():
       tmpfile = tempfile.NamedTemporaryFile('w+b')
       mobilenet_url = 'https://s3.amazonaws.com/onnx-model-zoo/mobilenet/mobilenetv2-1.0/mobilenetv2-1.0.onnx'
       urllib.request.urlretrieve(mobilenet_url, tmpfile.name)
       tmpfile.seek(0)
       return tmpfile
   
   onnx_model = onnx.load(onnx_workload())
   input_shape = {"data": [1, 3, 224, 224]}
   relay_model, relay_params = from_onnx(onnx_model, shape=input_shape)
   
   
   var_map = {}
   for fn_param in relay_model['main'].params:
       var_map[fn_param.name_hint] = fn_param
       
   # reshape_attr_tensor421 is in params but not the module
   print("reshape_attr_tensor421 is in relay_params", "reshape_attr_tensor421" in relay_params)
   print("reshape_attr_tensor421 is in relay_model", var_map.get("reshape_attr_tensor421") is not None)
   ```
   
   

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