code: def linear_impl(input, weight, bias=None):
      if bias is None:
          return F.linear(input, weight)
      else:
          return F.linear(input, weight) + bias
  
file_path: colossalai/colossalai/_analyzer/fx/tracer/bias_addition.py
imports: import torch
  import torch.nn.functional
  from torch.nn.modules.utils import _pair, _single, _triple
  from .tracer import register_tracer_impl
label_desc: Use image node_id 1 for calling a global function with example usage: linear_impl(input, weight, bias) and returns: F, unknown