code: def gpt2_xl(checkpoint=False):
      return GPTLMModel(
          hidden_size=1600,
          num_layers=48,
          num_attention_heads=32,
          checkpoint=checkpoint,
      )
  
file_path: ColossalAI/tests/test_fx/test_profiler/gpt_utils.py
imports: import torch.nn
  from transformers import GPT2Config, GPT2LMHeadModel
label_desc: Use image node_id 2 for calling a global function with example usage: gpt2_xl(checkpoint) and returns: GPTLMModel