code: def forward(self, x):
      return self.model(x)
  
file_path: BigDL/python/nano/benchmark/torch_inference_optimizer/inference.py
imports: import time
  import os
  import sys
  import argparse
  import torch
  from torch import nn
  from bigdl.nano.pytorch.vision.models import vision
  from bigdl.nano.pytorch import InferenceOptimizer
label_desc: Use image node_id 2 for calling the ResNet18 obj's underlying member method code with example usage: obj.forward(x) and returns: self