class_docstr: Xception optimized for the ImageNet dataset, as specified in
  https://arxiv.org/pdf/1610.02357.pdf
class_docstr_tok: ["Xception","optimized","for","the","ImageNet","dataset",",","as","specified","in","https",":","\/\/arxiv.org\/pdf\/1610.02357.pdf"]
code: def forward(self, input):
      x = self.features(input)
      x = self.logits(x)
      return x
  
file_path: singa/examples/largedataset_cnn/autograd/xceptionnet.py
imports: from singa import autograd
  from singa import tensor
  from singa import device
  from singa import layer
  from singa import opt
  import numpy
  from tqdm import trange
label_desc: Use image node_id 4 for calling the Xception obj's underlying member method code with example usage: obj.forward(input) and returns: x